Merge tag 'perf-core-for-mingo-4.12-20170424' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

User visible changes:

- Fix display of data source snoop indication in 'perf mem' (Andi Kleen)

- Fix the code to strip command name from /proc/PID/stat (Jiri Olsa)

Infrastructure changes:

- Continue the disentanglement of headers, specially util.h (Arnaldo Carvalho de Melo)

- Synchronize some header files with the kernel (Arnaldo Carvalho de Melo)

Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>
Signed-off-by: Ingo Molnar <[e-mail]>

arch/um/include/shared/os.h

···
 extern void maybe_sigio_broken(int fd, int read);
 extern void sigio_broken(int fd, int read);
 
-/* sys-x86_64/prctl.c */
-extern int os_arch_prctl(int pid, int code, unsigned long *addr);
+/* prctl.c */
+extern int os_arch_prctl(int pid, int option, unsigned long *arg2);
 
 /* tty.c */
 extern int get_pty(void);

arch/x86/entry/syscalls/syscall_32.tbl

···
 381	i386	pkey_alloc		sys_pkey_alloc
 382	i386	pkey_free		sys_pkey_free
 383	i386	statx			sys_statx
+384	i386	arch_prctl		sys_arch_prctl			compat_sys_arch_prctl

arch/x86/include/asm/cpufeatures.h

···
  * Reuse free bits when adding new feature flags!
  */
 #define X86_FEATURE_RING3MWAIT	( 7*32+ 0) /* Ring 3 MONITOR/MWAIT */
+#define X86_FEATURE_CPUID_FAULT ( 7*32+ 1) /* Intel CPUID faulting */
 #define X86_FEATURE_CPB		( 7*32+ 2) /* AMD Core Performance Boost */
 #define X86_FEATURE_EPB		( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
 #define X86_FEATURE_CAT_L3	( 7*32+ 4) /* Cache Allocation Technology L3 */

arch/x86/include/asm/msr-index.h

···
 #define MSR_IA32_PERFCTR1		0x000000c2
 #define MSR_FSB_FREQ			0x000000cd
 #define MSR_PLATFORM_INFO		0x000000ce
+#define MSR_PLATFORM_INFO_CPUID_FAULT_BIT	31
+#define MSR_PLATFORM_INFO_CPUID_FAULT		BIT_ULL(MSR_PLATFORM_INFO_CPUID_FAULT_BIT)
 
 #define MSR_PKG_CST_CONFIG_CONTROL	0x000000e2
 #define NHM_C3_AUTO_DEMOTE		(1UL << 25)
···
 
 /* DEBUGCTLMSR bits (others vary by model): */
 #define DEBUGCTLMSR_LBR			(1UL <<  0) /* last branch recording */
+#define DEBUGCTLMSR_BTF_SHIFT		1
 #define DEBUGCTLMSR_BTF			(1UL <<  1) /* single-step on branches */
 #define DEBUGCTLMSR_TR			(1UL <<  6)
 #define DEBUGCTLMSR_BTS			(1UL <<  7)
···
 #define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE_BIT	39
 #define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE		(1ULL << MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE_BIT)
 
-/* MISC_FEATURE_ENABLES non-architectural features */
-#define MSR_MISC_FEATURE_ENABLES	0x00000140
+/* MISC_FEATURES_ENABLES non-architectural features */
+#define MSR_MISC_FEATURES_ENABLES	0x00000140
 
-#define MSR_MISC_FEATURE_ENABLES_RING3MWAIT_BIT		1
+#define MSR_MISC_FEATURES_ENABLES_CPUID_FAULT_BIT	0
+#define MSR_MISC_FEATURES_ENABLES_CPUID_FAULT		BIT_ULL(MSR_MISC_FEATURES_ENABLES_CPUID_FAULT_BIT)
+#define MSR_MISC_FEATURES_ENABLES_RING3MWAIT_BIT	1
 
 #define MSR_IA32_TSC_DEADLINE		0x000006E0
 

arch/x86/include/asm/processor.h

···
 extern int get_tsc_mode(unsigned long adr);
 extern int set_tsc_mode(unsigned int val);
 
+DECLARE_PER_CPU(u64, msr_misc_features_shadow);
+
 /* Register/unregister a process' MPX related resource */
 #define MPX_ENABLE_MANAGEMENT()	mpx_enable_management()
 #define MPX_DISABLE_MANAGEMENT()	mpx_disable_management()

arch/x86/include/asm/proto.h

···
 
 #ifdef CONFIG_X86_64
 void entry_SYSCALL_64(void);
+long do_arch_prctl_64(struct task_struct *task, int option, unsigned long arg2);
 #endif
 
 #ifdef CONFIG_X86_32
···
 
 extern int reboot_force;
 
-long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
+long do_arch_prctl_common(struct task_struct *task, int option,
+			  unsigned long cpuid_enabled);
 
 #endif /* _ASM_X86_PROTO_H */

arch/x86/include/asm/thread_info.h

···
 #define TIF_SECCOMP		8	/* secure computing */
 #define TIF_USER_RETURN_NOTIFY	11	/* notify kernel of userspace return */
 #define TIF_UPROBE		12	/* breakpointed or singlestepping */
+#define TIF_NOCPUID		15	/* CPUID is not accessible in userland */
 #define TIF_NOTSC		16	/* TSC is not accessible in userland */
 #define TIF_IA32		17	/* IA32 compatibility process */
 #define TIF_NOHZ		19	/* in adaptive nohz mode */
···
 #define _TIF_SECCOMP		(1 << TIF_SECCOMP)
 #define _TIF_USER_RETURN_NOTIFY	(1 << TIF_USER_RETURN_NOTIFY)
 #define _TIF_UPROBE		(1 << TIF_UPROBE)
+#define _TIF_NOCPUID		(1 << TIF_NOCPUID)
 #define _TIF_NOTSC		(1 << TIF_NOTSC)
 #define _TIF_IA32		(1 << TIF_IA32)
 #define _TIF_NOHZ		(1 << TIF_NOHZ)
···
 
 /* flags to check in __switch_to() */
 #define _TIF_WORK_CTXSW							\
-	(_TIF_IO_BITMAP|_TIF_NOTSC|_TIF_BLOCKSTEP)
+	(_TIF_IO_BITMAP|_TIF_NOCPUID|_TIF_NOTSC|_TIF_BLOCKSTEP)
 
 #define _TIF_WORK_CTXSW_PREV (_TIF_WORK_CTXSW|_TIF_USER_RETURN_NOTIFY)
 #define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW)
···
 extern void arch_task_cache_init(void);
 extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
 extern void arch_release_task_struct(struct task_struct *tsk);
+extern void arch_setup_new_exec(void);
+#define arch_setup_new_exec arch_setup_new_exec
 #endif	/* !__ASSEMBLY__ */
 
 #endif /* _ASM_X86_THREAD_INFO_H */

arch/x86/include/asm/tlbflush.h

···
 	}
 }
 
+static inline void cr4_toggle_bits(unsigned long mask)
+{
+	unsigned long cr4;
+
+	cr4 = this_cpu_read(cpu_tlbstate.cr4);
+	cr4 ^= mask;
+	this_cpu_write(cpu_tlbstate.cr4, cr4);
+	__write_cr4(cr4);
+}
+
 /* Read the CR4 shadow. */
 static inline unsigned long cr4_read_shadow(void)
 {

arch/x86/include/uapi/asm/prctl.h

···
 #ifndef _ASM_X86_PRCTL_H
 #define _ASM_X86_PRCTL_H
 
-#define ARCH_SET_GS 0x1001
-#define ARCH_SET_FS 0x1002
-#define ARCH_GET_FS 0x1003
-#define ARCH_GET_GS 0x1004
+#define ARCH_SET_GS		0x1001
+#define ARCH_SET_FS		0x1002
+#define ARCH_GET_FS		0x1003
+#define ARCH_GET_GS		0x1004
+
+#define ARCH_GET_CPUID		0x1011
+#define ARCH_SET_CPUID		0x1012
 
 #define ARCH_MAP_VDSO_X32	0x2001
 #define ARCH_MAP_VDSO_32	0x2002

arch/x86/kernel/cpu/intel.c

···
 		return;
 	}
 
-	if (ring3mwait_disabled) {
-		msr_clear_bit(MSR_MISC_FEATURE_ENABLES,
-			      MSR_MISC_FEATURE_ENABLES_RING3MWAIT_BIT);
+	if (ring3mwait_disabled)
 		return;
-	}
-
-	msr_set_bit(MSR_MISC_FEATURE_ENABLES,
-		    MSR_MISC_FEATURE_ENABLES_RING3MWAIT_BIT);
 
 	set_cpu_cap(c, X86_FEATURE_RING3MWAIT);
+	this_cpu_or(msr_misc_features_shadow,
+		    1UL << MSR_MISC_FEATURES_ENABLES_RING3MWAIT_BIT);
 
 	if (c == &boot_cpu_data)
 		ELF_HWCAP2 |= HWCAP2_RING3MWAIT;
···
 	init_intel_energy_perf(c);
 }
 
+static void init_cpuid_fault(struct cpuinfo_x86 *c)
+{
+	u64 msr;
+
+	if (!rdmsrl_safe(MSR_PLATFORM_INFO, &msr)) {
+		if (msr & MSR_PLATFORM_INFO_CPUID_FAULT)
+			set_cpu_cap(c, X86_FEATURE_CPUID_FAULT);
+	}
+}
+
+static void init_intel_misc_features(struct cpuinfo_x86 *c)
+{
+	u64 msr;
+
+	if (rdmsrl_safe(MSR_MISC_FEATURES_ENABLES, &msr))
+		return;
+
+	/* Clear all MISC features */
+	this_cpu_write(msr_misc_features_shadow, 0);
+
+	/* Check features and update capabilities and shadow control bits */
+	init_cpuid_fault(c);
+	probe_xeon_phi_r3mwait(c);
+
+	msr = this_cpu_read(msr_misc_features_shadow);
+	wrmsrl(MSR_MISC_FEATURES_ENABLES, msr);
+}
+
 static void init_intel(struct cpuinfo_x86 *c)
 {
 	unsigned int l2 = 0;
···
 
 	init_intel_energy_perf(c);
 
-	probe_xeon_phi_r3mwait(c);
+	init_intel_misc_features(c);
 }
 
 #ifdef CONFIG_X86_32

arch/x86/kernel/process.c

···
 #include <asm/vm86.h>
 #include <asm/switch_to.h>
 #include <asm/desc.h>
+#include <asm/prctl.h>
 
 /*
  * per-CPU TSS segments. Threads are completely 'soft' on Linux,
···
 	fpu__clear(&tsk->thread.fpu);
 }
 
-static void hard_disable_TSC(void)
-{
-	cr4_set_bits(X86_CR4_TSD);
-}
-
 void disable_TSC(void)
 {
 	preempt_disable();
···
 		 * Must flip the CPU state synchronously with
 		 * TIF_NOTSC in the current running context.
 		 */
-		hard_disable_TSC();
+		cr4_set_bits(X86_CR4_TSD);
 	preempt_enable();
-}
-
-static void hard_enable_TSC(void)
-{
-	cr4_clear_bits(X86_CR4_TSD);
 }
 
 static void enable_TSC(void)
···
 		 * Must flip the CPU state synchronously with
 		 * TIF_NOTSC in the current running context.
 		 */
-		hard_enable_TSC();
+		cr4_clear_bits(X86_CR4_TSD);
 	preempt_enable();
 }
 
···
 	return 0;
 }
 
-void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
-		      struct tss_struct *tss)
+DEFINE_PER_CPU(u64, msr_misc_features_shadow);
+
+static void set_cpuid_faulting(bool on)
 {
-	struct thread_struct *prev, *next;
+	u64 msrval;
 
-	prev = &prev_p->thread;
-	next = &next_p->thread;
+	msrval = this_cpu_read(msr_misc_features_shadow);
+	msrval &= ~MSR_MISC_FEATURES_ENABLES_CPUID_FAULT;
+	msrval |= (on << MSR_MISC_FEATURES_ENABLES_CPUID_FAULT_BIT);
+	this_cpu_write(msr_misc_features_shadow, msrval);
+	wrmsrl(MSR_MISC_FEATURES_ENABLES, msrval);
+}
 
-	if (test_tsk_thread_flag(prev_p, TIF_BLOCKSTEP) ^
-	    test_tsk_thread_flag(next_p, TIF_BLOCKSTEP)) {
-		unsigned long debugctl = get_debugctlmsr();
-
-		debugctl &= ~DEBUGCTLMSR_BTF;
-		if (test_tsk_thread_flag(next_p, TIF_BLOCKSTEP))
-			debugctl |= DEBUGCTLMSR_BTF;
-
-		update_debugctlmsr(debugctl);
+static void disable_cpuid(void)
+{
+	preempt_disable();
+	if (!test_and_set_thread_flag(TIF_NOCPUID)) {
+		/*
+		 * Must flip the CPU state synchronously with
+		 * TIF_NOCPUID in the current running context.
+		 */
+		set_cpuid_faulting(true);
 	}
+	preempt_enable();
+}
 
-	if (test_tsk_thread_flag(prev_p, TIF_NOTSC) ^
-	    test_tsk_thread_flag(next_p, TIF_NOTSC)) {
-		/* prev and next are different */
-		if (test_tsk_thread_flag(next_p, TIF_NOTSC))
-			hard_disable_TSC();
-		else
-			hard_enable_TSC();
+static void enable_cpuid(void)
+{
+	preempt_disable();
+	if (test_and_clear_thread_flag(TIF_NOCPUID)) {
+		/*
+		 * Must flip the CPU state synchronously with
+		 * TIF_NOCPUID in the current running context.
+		 */
+		set_cpuid_faulting(false);
 	}
+	preempt_enable();
+}
 
-	if (test_tsk_thread_flag(next_p, TIF_IO_BITMAP)) {
+static int get_cpuid_mode(void)
+{
+	return !test_thread_flag(TIF_NOCPUID);
+}
+
+static int set_cpuid_mode(struct task_struct *task, unsigned long cpuid_enabled)
+{
+	if (!static_cpu_has(X86_FEATURE_CPUID_FAULT))
+		return -ENODEV;
+
+	if (cpuid_enabled)
+		enable_cpuid();
+	else
+		disable_cpuid();
+
+	return 0;
+}
+
+/*
+ * Called immediately after a successful exec.
+ */
+void arch_setup_new_exec(void)
+{
+	/* If cpuid was previously disabled for this task, re-enable it. */
+	if (test_thread_flag(TIF_NOCPUID))
+		enable_cpuid();
+}
+
+static inline void switch_to_bitmap(struct tss_struct *tss,
+				    struct thread_struct *prev,
+				    struct thread_struct *next,
+				    unsigned long tifp, unsigned long tifn)
+{
+	if (tifn & _TIF_IO_BITMAP) {
 		/*
 		 * Copy the relevant range of the IO bitmap.
 		 * Normally this is 128 bytes or less:
 		 */
 		memcpy(tss->io_bitmap, next->io_bitmap_ptr,
 		       max(prev->io_bitmap_max, next->io_bitmap_max));
-
 		/*
 		 * Make sure that the TSS limit is correct for the CPU
 		 * to notice the IO bitmap.
 		 */
 		refresh_tss_limit();
-	} else if (test_tsk_thread_flag(prev_p, TIF_IO_BITMAP)) {
+	} else if (tifp & _TIF_IO_BITMAP) {
 		/*
 		 * Clear any possible leftover bits:
 		 */
 		memset(tss->io_bitmap, 0xff, prev->io_bitmap_max);
 	}
+}
+
+void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
+		      struct tss_struct *tss)
+{
+	struct thread_struct *prev, *next;
+	unsigned long tifp, tifn;
+
+	prev = &prev_p->thread;
+	next = &next_p->thread;
+
+	tifn = READ_ONCE(task_thread_info(next_p)->flags);
+	tifp = READ_ONCE(task_thread_info(prev_p)->flags);
+	switch_to_bitmap(tss, prev, next, tifp, tifn);
+
 	propagate_user_return_notify(prev_p, next_p);
+
+	if ((tifp & _TIF_BLOCKSTEP || tifn & _TIF_BLOCKSTEP) &&
+	    arch_has_block_step()) {
+		unsigned long debugctl, msk;
+
+		rdmsrl(MSR_IA32_DEBUGCTLMSR, debugctl);
+		debugctl &= ~DEBUGCTLMSR_BTF;
+		msk = tifn & _TIF_BLOCKSTEP;
+		debugctl |= (msk >> TIF_BLOCKSTEP) << DEBUGCTLMSR_BTF_SHIFT;
+		wrmsrl(MSR_IA32_DEBUGCTLMSR, debugctl);
+	}
+
+	if ((tifp ^ tifn) & _TIF_NOTSC)
+		cr4_toggle_bits(X86_CR4_TSD);
+
+	if ((tifp ^ tifn) & _TIF_NOCPUID)
+		set_cpuid_faulting(!!(tifn & _TIF_NOCPUID));
 }
 
 /*
···
 out:
 	put_task_stack(p);
 	return ret;
+}
+
+long do_arch_prctl_common(struct task_struct *task, int option,
+			  unsigned long cpuid_enabled)
+{
+	switch (option) {
+	case ARCH_GET_CPUID:
+		return get_cpuid_mode();
+	case ARCH_SET_CPUID:
+		return set_cpuid_mode(task, cpuid_enabled);
+	}
+
+	return -EINVAL;
 }

arch/x86/kernel/process_32.c

···
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <linux/kdebug.h>
+#include <linux/syscalls.h>
 
 #include <asm/pgtable.h>
 #include <asm/ldt.h>
···
 #include <asm/switch_to.h>
 #include <asm/vm86.h>
 #include <asm/intel_rdt.h>
+#include <asm/proto.h>
 
 void __show_regs(struct pt_regs *regs, int all)
 {
···
 	intel_rdt_sched_in();
 
 	return prev_p;
+}
+
+SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
+{
+	return do_arch_prctl_common(current, option, arg2);
 }

arch/x86/kernel/process_64.c

···
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <linux/ftrace.h>
+#include <linux/syscalls.h>
 
 #include <asm/pgtable.h>
 #include <asm/processor.h>
···
 				(struct user_desc __user *)tls, 0);
 		else
 #endif
-			err = do_arch_prctl(p, ARCH_SET_FS, tls);
+			err = do_arch_prctl_64(p, ARCH_SET_FS, tls);
 		if (err)
 			goto out;
 	}
···
 }
 #endif
 
-long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
+long do_arch_prctl_64(struct task_struct *task, int option, unsigned long arg2)
 {
 	int ret = 0;
 	int doit = task == current;
 	int cpu;
 
-	switch (code) {
+	switch (option) {
 	case ARCH_SET_GS:
-		if (addr >= TASK_SIZE_MAX)
+		if (arg2 >= TASK_SIZE_MAX)
 			return -EPERM;
 		cpu = get_cpu();
 		task->thread.gsindex = 0;
-		task->thread.gsbase = addr;
+		task->thread.gsbase = arg2;
 		if (doit) {
 			load_gs_index(0);
-			ret = wrmsrl_safe(MSR_KERNEL_GS_BASE, addr);
+			ret = wrmsrl_safe(MSR_KERNEL_GS_BASE, arg2);
 		}
 		put_cpu();
 		break;
 	case ARCH_SET_FS:
 		/* Not strictly needed for fs, but do it for symmetry
 		   with gs */
-		if (addr >= TASK_SIZE_MAX)
+		if (arg2 >= TASK_SIZE_MAX)
 			return -EPERM;
 		cpu = get_cpu();
 		task->thread.fsindex = 0;
-		task->thread.fsbase = addr;
+		task->thread.fsbase = arg2;
 		if (doit) {
 			/* set the selector to 0 to not confuse __switch_to */
 			loadsegment(fs, 0);
-			ret = wrmsrl_safe(MSR_FS_BASE, addr);
+			ret = wrmsrl_safe(MSR_FS_BASE, arg2);
 		}
 		put_cpu();
 		break;
 	case ARCH_GET_FS: {
 		unsigned long base;
+
 		if (doit)
 			rdmsrl(MSR_FS_BASE, base);
 		else
 			base = task->thread.fsbase;
-		ret = put_user(base, (unsigned long __user *)addr);
+		ret = put_user(base, (unsigned long __user *)arg2);
 		break;
 	}
 	case ARCH_GET_GS: {
 		unsigned long base;
+
 		if (doit)
 			rdmsrl(MSR_KERNEL_GS_BASE, base);
 		else
 			base = task->thread.gsbase;
-		ret = put_user(base, (unsigned long __user *)addr);
+		ret = put_user(base, (unsigned long __user *)arg2);
 		break;
 	}
 
 #ifdef CONFIG_CHECKPOINT_RESTORE
 # ifdef CONFIG_X86_X32_ABI
 	case ARCH_MAP_VDSO_X32:
-		return prctl_map_vdso(&vdso_image_x32, addr);
+		return prctl_map_vdso(&vdso_image_x32, arg2);
 # endif
 # if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
 	case ARCH_MAP_VDSO_32:
-		return prctl_map_vdso(&vdso_image_32, addr);
+		return prctl_map_vdso(&vdso_image_32, arg2);
 # endif
 	case ARCH_MAP_VDSO_64:
-		return prctl_map_vdso(&vdso_image_64, addr);
+		return prctl_map_vdso(&vdso_image_64, arg2);
 #endif
 
 	default:
···
 	return ret;
 }
 
-long sys_arch_prctl(int code, unsigned long addr)
+SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
 {
-	return do_arch_prctl(current, code, addr);
+	long ret;
+
+	ret = do_arch_prctl_64(current, option, arg2);
+	if (ret == -EINVAL)
+		ret = do_arch_prctl_common(current, option, arg2);
+
+	return ret;
 }
+
+#ifdef CONFIG_IA32_EMULATION
+COMPAT_SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
+{
+	return do_arch_prctl_common(current, option, arg2);
+}
+#endif
 
 unsigned long KSTK_ESP(struct task_struct *task)
 {

arch/x86/kernel/ptrace.c

···
 		if (value >= TASK_SIZE_MAX)
 			return -EIO;
 		/*
-		 * When changing the segment base, use do_arch_prctl
+		 * When changing the segment base, use do_arch_prctl_64
 		 * to set either thread.fs or thread.fsindex and the
 		 * corresponding GDT slot.
 		 */
 		if (child->thread.fsbase != value)
-			return do_arch_prctl(child, ARCH_SET_FS, value);
+			return do_arch_prctl_64(child, ARCH_SET_FS, value);
 		return 0;
 	case offsetof(struct user_regs_struct,gs_base):
 		/*
···
 		if (value >= TASK_SIZE_MAX)
 			return -EIO;
 		if (child->thread.gsbase != value)
-			return do_arch_prctl(child, ARCH_SET_GS, value);
+			return do_arch_prctl_64(child, ARCH_SET_GS, value);
 		return 0;
 #endif
 	}
···
 		   Works just like arch_prctl, except that the arguments
 		   are reversed. */
 	case PTRACE_ARCH_PRCTL:
-		ret = do_arch_prctl(child, data, addr);
+		ret = do_arch_prctl_64(child, data, addr);
 		break;
 #endif
 

arch/x86/um/Makefile

···
 
 ifeq ($(CONFIG_X86_32),y)
 
-obj-y += checksum_32.o
+obj-y += checksum_32.o syscalls_32.o
 obj-$(CONFIG_ELF_CORE) += elfcore.o
 
 subarch-y = ../lib/string_32.o ../lib/atomic64_32.o ../lib/atomic64_cx8_32.o

arch/x86/um/asm/ptrace.h

···
         return -ENOSYS;
 }
 
-extern long arch_prctl(struct task_struct *task, int code,
+extern long arch_prctl(struct task_struct *task, int option,
 		       unsigned long __user *addr);
 
 #endif

arch/x86/um/os-Linux/prctl.c

···
 #include <sys/ptrace.h>
 #include <asm/ptrace.h>
 
-int os_arch_prctl(int pid, int code, unsigned long *addr)
+int os_arch_prctl(int pid, int option, unsigned long *arg2)
 {
-        return ptrace(PTRACE_ARCH_PRCTL, pid, (unsigned long) addr, code);
+	return ptrace(PTRACE_ARCH_PRCTL, pid, (unsigned long) arg2, option);
 }

arch/x86/um/syscalls_32.c

···
+#include <linux/syscalls.h>
+#include <os.h>
+
+SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
+{
+	return -EINVAL;
+}

arch/x86/um/syscalls_64.c

···
 
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
+#include <linux/syscalls.h>
 #include <linux/uaccess.h>
 #include <asm/prctl.h> /* XXX This should get the constants from libc */
 #include <os.h>
 
-long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
+long arch_prctl(struct task_struct *task, int option)
+		unsigned long __user *arg2)
 {
-	unsigned long *ptr = addr, tmp;
+	unsigned long *ptr = arg2, tmp;
 	long ret;
 	int pid = task->mm->context.id.u.pid;
 
···
 	 * arch_prctl is run on the host, then the registers are read
 	 * back.
 	 */
-	switch (code) {
+	switch (option) {
 	case ARCH_SET_FS:
 	case ARCH_SET_GS:
 		ret = restore_registers(pid, &current->thread.regs.regs);
···
 		ptr = &tmp;
 	}
 
-	ret = os_arch_prctl(pid, code, ptr);
+	ret = os_arch_prctl(pid, option, ptr);
 	if (ret)
 		return ret;
 
-	switch (code) {
+	switch (option) {
 	case ARCH_SET_FS:
 		current->thread.arch.fs = (unsigned long) ptr;
 		ret = save_registers(pid, &current->thread.regs.regs);
···
 		ret = save_registers(pid, &current->thread.regs.regs);
 		break;
 	case ARCH_GET_FS:
-		ret = put_user(tmp, addr);
+		ret = put_user(tmp, arg2);
 		break;
 	case ARCH_GET_GS:
-		ret = put_user(tmp, addr);
+		ret = put_user(tmp, arg2);
 		break;
 	}
 
 	return ret;
 }
 
-long sys_arch_prctl(int code, unsigned long addr)
+SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
 {
-	return arch_prctl(current, code, (unsigned long __user *) addr);
+	return arch_prctl(current, option, (unsigned long __user *) arg2);
 }
 
 void arch_switch_to(struct task_struct *to)

fs/exec.c

···
 	else
 		set_dumpable(current->mm, suid_dumpable);
 
+	arch_setup_new_exec();
 	perf_event_exec();
 	__set_task_comm(current, kbasename(bprm->filename), true);
 

include/linux/compat.h

···
 asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32,
 					    int, const char __user *);
 
+asmlinkage long compat_sys_arch_prctl(int option, unsigned long arg2);
+
 /*
  * For most but not all architectures, "am I in a compat syscall?" and
  * "am I a compat task?" are the same question.  For architectures on which

include/linux/thread_info.h

···
 { }
 #endif /* CONFIG_HARDENED_USERCOPY */
 
+#ifndef arch_setup_new_exec
+static inline void arch_setup_new_exec(void) { }
+#endif
+
 #endif	/* __KERNEL__ */
 
 #endif /* _LINUX_THREAD_INFO_H */

tools/arch/x86/include/asm/cpufeatures.h

···
  * Reuse free bits when adding new feature flags!
  */
 #define X86_FEATURE_RING3MWAIT	( 7*32+ 0) /* Ring 3 MONITOR/MWAIT */
+#define X86_FEATURE_CPUID_FAULT ( 7*32+ 1) /* Intel CPUID faulting */
 #define X86_FEATURE_CPB		( 7*32+ 2) /* AMD Core Performance Boost */
 #define X86_FEATURE_EPB		( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
 #define X86_FEATURE_CAT_L3	( 7*32+ 4) /* Cache Allocation Technology L3 */

tools/arch/x86/lib/memcpy_64.S

···
 	_ASM_EXTABLE_FAULT(.L_copy_leading_bytes, .L_memcpy_mcsafe_fail)
 	_ASM_EXTABLE_FAULT(.L_cache_w0, .L_memcpy_mcsafe_fail)
 	_ASM_EXTABLE_FAULT(.L_cache_w1, .L_memcpy_mcsafe_fail)
-	_ASM_EXTABLE_FAULT(.L_cache_w3, .L_memcpy_mcsafe_fail)
+	_ASM_EXTABLE_FAULT(.L_cache_w2, .L_memcpy_mcsafe_fail)
 	_ASM_EXTABLE_FAULT(.L_cache_w3, .L_memcpy_mcsafe_fail)
 	_ASM_EXTABLE_FAULT(.L_cache_w4, .L_memcpy_mcsafe_fail)
 	_ASM_EXTABLE_FAULT(.L_cache_w5, .L_memcpy_mcsafe_fail)

tools/include/linux/bug.h

···
+#ifndef _TOOLS_PERF_LINUX_BUG_H
+#define _TOOLS_PERF_LINUX_BUG_H
+
+/* Force a compilation error if condition is true, but also produce a
+   result (of value 0 and type size_t), so the expression can be used
+   e.g. in a structure initializer (or where-ever else comma expressions
+   aren't permitted). */
+#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
+
+#endif	/* _TOOLS_PERF_LINUX_BUG_H */

tools/include/linux/compiler-gcc.h

···
 #if GCC_VERSION >= 40300
 # define __compiletime_error(message) __attribute__((error(message)))
 #endif /* GCC_VERSION >= 40300 */
+
+/* &a[0] degrades to a pointer: a different type from an array */
+#define __must_be_array(a)	BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))

tools/include/linux/compiler.h

···
 # define __always_inline	inline __attribute__((always_inline))
 #endif
 
+/* Are two types/vars the same type (ignoring qualifiers)? */
+#ifndef __same_type
+# define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
+#endif
+
 #ifdef __ANDROID__
 /*
  * FIXME: Big hammer to get rid of tons of:

tools/include/linux/hashtable.h

···
 #include <linux/hash.h>
 #include <linux/log2.h>
 
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#endif
-
 #define DEFINE_HASHTABLE(name, bits)						\
 	struct hlist_head name[1 << (bits)] =					\
 			{ [0 ... ((1 << (bits)) - 1)] = HLIST_HEAD_INIT }

tools/include/linux/kernel.h

···
 #include <stdarg.h>
 #include <stddef.h>
 #include <assert.h>
+#include <linux/compiler.h>
 
 #ifndef UINT_MAX
 #define UINT_MAX	(~0U)
···
 
 int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
 int scnprintf(char * buf, size_t size, const char * fmt, ...);
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
 
 /*
  * This looks more complex than it should be. But we need to

tools/include/linux/log2.h

···
 #ifndef _TOOLS_LINUX_LOG2_H
 #define _TOOLS_LINUX_LOG2_H
 
+#include <linux/bitops.h>
+#include <linux/types.h>
+
 /*
  * non-constant log of base 2 calculators
  * - the arch may override these in asm/bitops.h if they can be implemented

tools/include/uapi/linux/stat.h

···
 	__u64	stx_ino;	/* Inode number */
 	__u64	stx_size;	/* File size */
 	__u64	stx_blocks;	/* Number of 512-byte blocks allocated */
-	__u64	__spare1[1];
+	__u64	stx_attributes_mask; /* Mask to show what's supported in stx_attributes */
 	/* 0x40 */
 	struct statx_timestamp	stx_atime;	/* Last access time */
 	struct statx_timestamp	stx_btime;	/* File creation time */
···
 #define STATX_BASIC_STATS	0x000007ffU	/* The stuff in the normal stat struct */
 #define STATX_BTIME		0x00000800U	/* Want/got stx_btime */
 #define STATX_ALL		0x00000fffU	/* All currently supported flags */
+#define STATX__RESERVED		0x80000000U	/* Reserved for future struct statx expansion */
 
 /*
- * Attributes to be found in stx_attributes
+ * Attributes to be found in stx_attributes and masked in stx_attributes_mask.
  *
  * These give information about the features or the state of a file that might
  * be of use to ordinary userspace programs such as GUIs or ls rather than

tools/lib/subcmd/help.h

···
 #define __SUBCMD_HELP_H
 
 #include <sys/types.h>
+#include <stdio.h>
 
 struct cmdnames {
 	size_t alloc;

tools/lib/symbol/kallsyms.c

···
+#include <ctype.h>
 #include "symbol/kallsyms.h"
 #include <stdio.h>
 #include <stdlib.h>

tools/objtool/builtin-check.c

···
 #include "warn.h"
 
 #include <linux/hashtable.h>
-
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#include <linux/kernel.h>
 
 #define STATE_FP_SAVED		0x1
 #define STATE_FP_SETUP		0x2

tools/objtool/objtool.c

···
 #include <stdlib.h>
 #include <subcmd/exec-cmd.h>
 #include <subcmd/pager.h>
+#include <linux/kernel.h>
 
 #include "builtin.h"
-
-#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
 
 struct cmd_struct {
 	const char *name;

tools/perf/MANIFEST

···
 tools/include/linux/compiler.h
 tools/include/linux/compiler-gcc.h
 tools/include/linux/coresight-pmu.h
+tools/include/linux/bug.h
 tools/include/linux/filter.h
 tools/include/linux/hash.h
 tools/include/linux/kernel.h

tools/perf/arch/arm/util/cs-etm.c

···
 #include "../../util/cs-etm.h"
 
 #include <stdlib.h>
+#include <sys/stat.h>
 
 #define ENABLE_SINK_MAX	128
 #define CS_BUS_DEVICE_PATH "/bus/coresight/devices/"

tools/perf/arch/arm/util/dwarf-regs.c

···
  */
 
 #include <stddef.h>
+#include <linux/stringify.h>
 #include <dwarf-regs.h>
 
 struct pt_regs_dwarfnum {
···
 	unsigned int dwarfnum;
 };
 
-#define STR(s) #s
 #define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
 #define GPR_DWARFNUM_NAME(num) \
-	{.name = STR(%r##num), .dwarfnum = num}
+	{.name = __stringify(%r##num), .dwarfnum = num}
 #define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
 
 /*

tools/perf/arch/arm/util/unwind-libdw.c

···
 #include <elfutils/libdwfl.h>
 #include "../../util/unwind-libdw.h"
 #include "../../util/perf_regs.h"
+#include "../../util/event.h"
 
 bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
 {

tools/perf/arch/arm64/util/dwarf-regs.c

···
  * published by the Free Software Foundation.
  */
 
+#include <errno.h>
 #include <stddef.h>
+#include <string.h>
 #include <dwarf-regs.h>
 #include <linux/ptrace.h> /* for struct user_pt_regs */
+#include <linux/stringify.h>
 #include "util.h"
 
 struct pt_regs_dwarfnum {
···
 
 #define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
 #define GPR_DWARFNUM_NAME(num) \
-	{.name = STR(%x##num), .dwarfnum = num}
+	{.name = __stringify(%x##num), .dwarfnum = num}
 #define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
 #define DWARFNUM2OFFSET(index) \
 	(index * sizeof((struct user_pt_regs *)0)->regs[0])

tools/perf/arch/arm64/util/unwind-libunwind.c

···
+#include <errno.h>
 
 #ifndef REMOTE_UNWIND_LIBUNWIND
-#include <errno.h>
 #include <libunwind.h>
 #include "perf_regs.h"
 #include "../../util/unwind.h"

tools/perf/arch/common.c

···
 #include "../util/util.h"
 #include "../util/debug.h"
 
+#include "sane_ctype.h"
+
 const char *const arm_triplets[] = {
 	"arm-eabi-",
 	"arm-linux-androideabi-",

tools/perf/arch/powerpc/util/dwarf-regs.c

···
 #include <dwarf-regs.h>
 #include <linux/ptrace.h>
 #include <linux/kernel.h>
+#include <linux/stringify.h>
 #include "util.h"
 
 struct pt_regs_dwarfnum {
···
 };
 
 #define REG_DWARFNUM_NAME(r, num)					\
-		{.name = STR(%)STR(r), .dwarfnum = num,			\
+		{.name = __stringify(%)__stringify(r), .dwarfnum = num,			\
 		.ptregs_offset = offsetof(struct pt_regs, r)}
 #define GPR_DWARFNUM_NAME(num)						\
-		{.name = STR(%gpr##num), .dwarfnum = num,		\
+		{.name = __stringify(%gpr##num), .dwarfnum = num,		\
 		.ptregs_offset = offsetof(struct pt_regs, gpr[num])}
 #define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0, .ptregs_offset = 0}
 

tools/perf/arch/powerpc/util/kvm-stat.c

···
+#include <errno.h>
 #include "util/kvm-stat.h"
 #include "util/parse-events.h"
 #include "util/debug.h"

tools/perf/arch/powerpc/util/perf_regs.c

···
+#include <errno.h>
 #include <string.h>
 #include <regex.h>
 

tools/perf/arch/s390/util/kvm-stat.c

···
  * as published by the Free Software Foundation.
  */
 
+#include <errno.h>
 #include "../../util/kvm-stat.h"
 #include <asm/sie.h>
 

tools/perf/arch/x86/tests/intel-cqm.c

···
 #include "evsel.h"
 #include "arch-tests.h"
 
+#include <signal.h>
 #include <sys/mman.h>
+#include <sys/wait.h>
+#include <errno.h>
 #include <string.h>
 
 static pid_t spawn(void)

tools/perf/arch/x86/tests/perf-time-to-tsc.c

···
+#include <errno.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <linux/types.h>

tools/perf/arch/x86/util/auxtrace.c

···
  *
  */
 
+#include <errno.h>
 #include <stdbool.h>
 
 #include "../../util/header.h"

tools/perf/arch/x86/util/intel-bts.c

···
  *
  */
 
+#include <errno.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/bitops.h>

tools/perf/arch/x86/util/intel-pt.c

···
  *
  */
 
+#include <errno.h>
 #include <stdbool.h>
 #include <linux/kernel.h>
 #include <linux/types.h>

tools/perf/arch/x86/util/kvm-stat.c

···
+#include <errno.h>
 #include "../../util/kvm-stat.h"
 #include <asm/svm.h>
 #include <asm/vmx.h>

tools/perf/arch/x86/util/perf_regs.c

···
+#include <errno.h>
 #include <string.h>
 #include <regex.h>
 

tools/perf/arch/x86/util/unwind-libdw.c

···
 #include <elfutils/libdwfl.h>
 #include "../../util/unwind-libdw.h"
 #include "../../util/perf_regs.h"
+#include "../../util/event.h"
 
 bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
 {

tools/perf/bench/mem-functions.c

···
 #include <subcmd/parse-options.h>
 #include "../util/header.h"
 #include "../util/cloexec.h"
+#include "../util/string2.h"
 #include "bench.h"
 #include "mem-memcpy-arch.h"
 #include "mem-memset-arch.h"

tools/perf/bench/numa.c

···
  * numa: Simulate NUMA-sensitive workload and measure their NUMA performance
  */
 
+#include <inttypes.h>
 /* For the CLR_() macros */
 #include <pthread.h>
 
···
 #include <sys/wait.h>
 #include <sys/prctl.h>
 #include <sys/types.h>
+#include <linux/kernel.h>
 #include <linux/time64.h>
 
 #include <numa.h>

tools/perf/builtin-annotate.c

···
 #include "util/block-range.h"
 
 #include <dlfcn.h>
+#include <errno.h>
 #include <linux/bitmap.h>
 
 struct perf_annotate {

tools/perf/builtin-buildid-cache.c

···
 #include <sys/time.h>
 #include <time.h>
 #include <dirent.h>
+#include <errno.h>
 #include <unistd.h>
 #include "builtin.h"
 #include "perf.h"
···
 #include "util/build-id.h"
 #include "util/session.h"
 #include "util/symbol.h"
+#include "util/time-utils.h"
 
 static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid)
 {

tools/perf/builtin-buildid-list.c

···
 #include "util/session.h"
 #include "util/symbol.h"
 #include "util/data.h"
+#include <errno.h>
 
 static int sysfs__fprintf_build_id(FILE *fp)
 {

tools/perf/builtin-c2c.c

···
  *   Dick Fowles <[e-mail]>
  *   Joe Mario <[e-mail]>
  */
+#include <errno.h>
+#include <inttypes.h>
 #include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <linux/stringify.h>
 #include <asm/bug.h>
+#include <sys/param.h>
 #include "util.h"
 #include "debug.h"
 #include "builtin.h"
···
 #include <asm/bug.h>
 #include "ui/browsers/hists.h"
 #include "evlist.h"
+#include "thread.h"
 
 struct c2c_hists {
 	struct hists		hists;

tools/perf/builtin-diff.c

···
 #include "util/data.h"
 #include "util/config.h"
 
+#include <errno.h>
+#include <inttypes.h>
 #include <stdlib.h>
 #include <math.h>
 

tools/perf/builtin-ftrace.c

···
 #include "builtin.h"
 #include "perf.h"
 
+#include <errno.h>
 #include <unistd.h>
 #include <signal.h>
 #include <fcntl.h>
+#include <poll.h>
 
 #include "debug.h"
 #include <subcmd/parse-options.h>
+#include <api/fs/tracing_path.h>
 #include "evlist.h"
 #include "target.h"
 #include "cpumap.h"

tools/perf/builtin-help.c

···
 #include <subcmd/run-command.h>
 #include <subcmd/help.h>
 #include "util/debug.h"
+#include <linux/kernel.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 static struct man_viewer_list {
 	struct man_viewer_list *next;
-	char name[FLEX_ARRAY];
+	char name[0];
 } *man_viewer_list;
 
 static struct man_viewer_info_list {
 	struct man_viewer_info_list *next;
 	const char *info;
-	char name[FLEX_ARRAY];
+	char name[0];
 } *man_viewer_info_list;
 
 enum help_format {

tools/perf/builtin-inject.c

···
 #include "util/data.h"
 #include "util/auxtrace.h"
 #include "util/jit.h"
+#include "util/thread.h"
 
 #include <subcmd/parse-options.h>
 
 #include <linux/list.h>
+#include <errno.h>
+#include <signal.h>
 
 struct perf_inject {
 	struct perf_tool	tool;

tools/perf/builtin-kallsyms.c

···
  *
  * Released under the GPL v2. (and only v2, not any later version)
  */
+#include <inttypes.h>
 #include "builtin.h"
 #include <linux/compiler.h>
 #include <subcmd/parse-options.h>

tools/perf/builtin-kmem.c

···
 
 #include "util/debug.h"
 
+#include <linux/kernel.h>
 #include <linux/rbtree.h>
 #include <linux/string.h>
+#include <errno.h>
+#include <inttypes.h>
 #include <locale.h>
 #include <regex.h>
+
+#include "sane_ctype.h"
 
 static int	kmem_slab;
 static int	kmem_page;

tools/perf/builtin-kvm.c

···
 
 #include "util/evsel.h"
 #include "util/evlist.h"
+#include "util/term.h"
 #include "util/util.h"
 #include "util/cache.h"
 #include "util/symbol.h"
···
 #ifdef HAVE_TIMERFD_SUPPORT
 #include <sys/timerfd.h>
 #endif
+#include <sys/time.h>
 
+#include <linux/kernel.h>
 #include <linux/time64.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <poll.h>
 #include <termios.h>
 #include <semaphore.h>
+#include <signal.h>
 #include <pthread.h>
 #include <math.h>
+
+static const char *get_filename_for_perf_kvm(void)
+{
+	const char *filename;
+
+	if (perf_host && !perf_guest)
+		filename = strdup("perf.data.host");
+	else if (!perf_host && perf_guest)
+		filename = strdup("perf.data.guest");
+	else
+		filename = strdup("perf.data.kvm");
+
+	return filename;
+}
 
 #ifdef HAVE_KVM_STAT_SUPPORT
 #include "util/kvm-stat.h"

tools/perf/builtin-lock.c

···
+#include <errno.h>
+#include <inttypes.h>
 #include "builtin.h"
 #include "perf.h"
 
···
 
 #include <linux/list.h>
 #include <linux/hash.h>
+#include <linux/kernel.h>
 
 static struct perf_session *session;
 

tools/perf/builtin-mem.c

···
+#include <inttypes.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 #include "builtin.h"
 #include "perf.h"
 
···
 #include "util/data.h"
 #include "util/mem-events.h"
 #include "util/debug.h"
+#include "util/symbol.h"
 
 #define MEM_OPERATION_LOAD	0x1
 #define MEM_OPERATION_STORE	0x2

tools/perf/builtin-record.c

···
 #include "util/bpf-loader.h"
 #include "util/trigger.h"
 #include "util/perf-hooks.h"
+#include "util/time-utils.h"
+#include "util/units.h"
 #include "asm/bug.h"
 
+#include <errno.h>
+#include <inttypes.h>
+#include <poll.h>
 #include <unistd.h>
 #include <sched.h>
+#include <signal.h>
 #include <sys/mman.h>
+#include <sys/wait.h>
 #include <asm/bug.h>
 #include <linux/time64.h>
 

tools/perf/builtin-report.c

···
 #include <linux/rbtree.h>
 #include "util/symbol.h"
 #include "util/callchain.h"
-#include "util/strlist.h"
 #include "util/values.h"
 
 #include "perf.h"
···
 #include "arch/common.h"
 #include "util/time-utils.h"
 #include "util/auxtrace.h"
+#include "util/units.h"
 
 #include <dlfcn.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <regex.h>
+#include <signal.h>
 #include <linux/bitmap.h>
 #include <linux/stringify.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 struct report {
 	struct perf_tool	tool;

tools/perf/builtin-sched.c

···
 
 #include "util/debug.h"
 
+#include <linux/kernel.h>
 #include <linux/log2.h>
 #include <sys/prctl.h>
 #include <sys/resource.h>
+#include <inttypes.h>
 
+#include <errno.h>
 #include <semaphore.h>
 #include <pthread.h>
 #include <math.h>
 #include <api/fs/fs.h>
 #include <linux/time64.h>
+
+#include "sane_ctype.h"
 
 #define PR_SET_NAME		15               /* Set process name */
 #define MAX_CPUS		4096

tools/perf/builtin-script.c

···
 #include "util/cpumap.h"
 #include "util/thread_map.h"
 #include "util/stat.h"
+#include "util/string2.h"
 #include "util/thread-stack.h"
 #include "util/time-utils.h"
+#include "print_binary.h"
 #include <linux/bitmap.h>
+#include <linux/kernel.h>
 #include <linux/stringify.h>
 #include <linux/time64.h>
 #include "asm/bug.h"
 #include "util/mem-events.h"
 #include "util/dump-insn.h"
+#include <dirent.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "sane_ctype.h"
 
 static char const		*script_name;
 static char const		*generate_script_lang;

tools/perf/builtin-stat.c

···
 #include "util/session.h"
 #include "util/tool.h"
 #include "util/group.h"
+#include "util/string2.h"
 #include "asm/bug.h"
 
 #include <linux/time64.h>
 #include <api/fs/fs.h>
+#include <errno.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <sys/prctl.h>
+#include <inttypes.h>
 #include <locale.h>
 #include <math.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "sane_ctype.h"
 
 #define DEFAULT_SEPARATOR	" "
 #define CNTR_NOT_SUPPORTED	"<not supported>"

tools/perf/builtin-timechart.c

···
  * of the License.
  */
 
+#include <errno.h>
+#include <inttypes.h>
 #include <traceevent/event-parse.h>
 
 #include "builtin.h"
···
 #include "util/cache.h"
 #include "util/evlist.h"
 #include "util/evsel.h"
+#include <linux/kernel.h>
 #include <linux/rbtree.h>
 #include <linux/time64.h>
 #include "util/symbol.h"
+#include "util/thread.h"
 #include "util/callchain.h"
-#include "util/strlist.h"
 
 #include "perf.h"
 #include "util/header.h"

tools/perf/builtin-top.c

···
 #include "util/cpumap.h"
 #include "util/xyarray.h"
 #include "util/sort.h"
+#include "util/term.h"
 #include "util/intlist.h"
 #include "util/parse-branch-options.h"
 #include "arch/common.h"
···
 #include <errno.h>
 #include <time.h>
 #include <sched.h>
+#include <signal.h>
 
 #include <sys/syscall.h>
 #include <sys/ioctl.h>
···
 #include <linux/stringify.h>
 #include <linux/time64.h>
 #include <linux/types.h>
+
+#include "sane_ctype.h"
 
 static volatile int done;
 

tools/perf/builtin-trace.c

···
 #include "util/evlist.h"
 #include <subcmd/exec-cmd.h>
 #include "util/machine.h"
+#include "util/path.h"
 #include "util/session.h"
 #include "util/thread.h"
 #include <subcmd/parse-options.h>
···
 #include "util/parse-events.h"
 #include "util/bpf-loader.h"
 #include "callchain.h"
+#include "print_binary.h"
+#include "string2.h"
 #include "syscalltbl.h"
 #include "rb_resort.h"
 
+#include <errno.h>
+#include <inttypes.h>
 #include <libaudit.h> /* FIXME: Still needed for audit_errno_to_name */
+#include <poll.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <linux/err.h>
 #include <linux/filter.h>
 #include <linux/audit.h>
+#include <linux/kernel.h>
 #include <linux/random.h>
 #include <linux/stringify.h>
 #include <linux/time64.h>
+
+#include "sane_ctype.h"
 
 #ifndef O_CLOEXEC
 # define O_CLOEXEC		02000000

tools/perf/builtin-version.c

···
-#include "util/util.h"
 #include "builtin.h"
 #include "perf.h"
+#include <linux/compiler.h>
+#include <stdio.h>
 
 int cmd_version(int argc __maybe_unused, const char **argv __maybe_unused)
 {

tools/perf/builtin.h

···
 #define BUILTIN_H
 
 #include "util/util.h"
-#include "util/strbuf.h"
 
 extern const char perf_usage_string[];
 extern const char perf_more_info_string[];
 
 void list_common_cmds_help(void);
 const char *help_unknown_cmd(const char *cmd);
-void prune_packed_objects(int);
-int read_line_with_nul(char *buf, int size, FILE *file);
-int check_pager_config(const char *cmd);
 
 int cmd_annotate(int argc, const char **argv);
 int cmd_bench(int argc, const char **argv);

tools/perf/perf.c

···
 #include "util/debug.h"
 #include <api/fs/fs.h>
 #include <api/fs/tracing_path.h>
+#include <errno.h>
 #include <pthread.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <linux/kernel.h>
 
 const char perf_usage_string[] =
 	"perf [--version] [--help] [OPTIONS] COMMAND [ARGS]";
···
 }
 
 /* returns 0 for "no pager", 1 for "use pager", and -1 for "not specified" */
-int check_pager_config(const char *cmd)
+static int check_pager_config(const char *cmd)
 {
 	int err;
 	struct pager_config c;
···
 {
 	const char *cmd = argv[0];
 	unsigned int i;
-	static const char ext[] = STRIP_EXTENSION;
-
-	if (sizeof(ext) > 1) {
-		i = strlen(argv[0]) - strlen(ext);
-		if (i > 0 && !strcmp(argv[0] + i, ext)) {
-			char *argv0 = strdup(argv[0]);
-			argv[0] = cmd = argv0;
-			argv0[i] = '\0';
-		}
-	}
 
 	/* Turn "perf cmd --help" into "perf help cmd" */
 	if (argc > 1 && !strcmp(argv[1], "--help")) {

tools/perf/tests/attr.c

···
  * permissions. All the event text files are stored there.
  */
 
+#include <errno.h>
+#include <inttypes.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 #include "../perf.h"
 #include "util.h"
 #include <subcmd/exec-cmd.h>

tools/perf/tests/backward-ring-buffer.c

···
 #include <sys/prctl.h>
 #include "tests.h"
 #include "debug.h"
+#include <errno.h>
 
 #define NR_ITERS 111
 

tools/perf/tests/bpf.c

···
+#include <errno.h>
 #include <stdio.h>
 #include <sys/epoll.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <util/util.h>
 #include <util/bpf-loader.h>
 #include <util/evlist.h>
 #include <linux/bpf.h>
 #include <linux/filter.h>
+#include <linux/kernel.h>
 #include <api/fs/fs.h>
 #include <bpf/bpf.h>
 #include "tests.h"

tools/perf/tests/builtin-test.c

···
  *
  * Builtin regression testing command: ever growing number of sanity tests
  */
+#include <errno.h>
 #include <unistd.h>
 #include <string.h>
+#include <sys/wait.h>
 #include "builtin.h"
 #include "hist.h"
 #include "intlist.h"
···
 #include "color.h"
 #include <subcmd/parse-options.h>
 #include "symbol.h"
+#include <linux/kernel.h>
 
 static bool dont_fork;
 

tools/perf/tests/clang.c

···
 #include "debug.h"
 #include "util.h"
 #include "c++/clang-c.h"
+#include <linux/kernel.h>
 
 static struct {
 	int (*func)(void);

tools/perf/tests/code-reading.c

···
+#include <errno.h>
+#include <linux/kernel.h>
 #include <linux/types.h>
+#include <inttypes.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <stdio.h>
-#include <ctype.h>
 #include <string.h>
+#include <sys/param.h>
 
 #include "parse-events.h"
 #include "evlist.h"
···
 #include "thread.h"
 
 #include "tests.h"
+
+#include "sane_ctype.h"
 
 #define BUFSZ	1024
 #define READLEN	128

tools/perf/tests/dso-data.c

···
+#include <dirent.h>
 #include <stdlib.h>
+#include <linux/kernel.h>
 #include <linux/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>

tools/perf/tests/dwarf-unwind.c

···
 #include <linux/compiler.h>
 #include <linux/types.h>
+#include <inttypes.h>
 #include <unistd.h>
 #include "tests.h"
 #include "debug.h"

tools/perf/tests/event-times.c

···
 #include <linux/compiler.h>
+#include <errno.h>
+#include <inttypes.h>
 #include <string.h>
+#include <sys/wait.h>
 #include "tests.h"
 #include "evlist.h"
 #include "evsel.h"

tools/perf/tests/evsel-roundtrip-name.c

···
 #include "parse-events.h"
 #include "tests.h"
 #include "debug.h"
+#include <errno.h>
+#include <linux/kernel.h>
 
 static int perf_evsel__roundtrip_cache_name_test(void)
 {

tools/perf/tests/hists_common.c

···
+#include <inttypes.h>
 #include "perf.h"
 #include "util/debug.h"
 #include "util/symbol.h"
···
 #include "util/machine.h"
 #include "util/thread.h"
 #include "tests/hists_common.h"
+#include <linux/kernel.h>
 
 static struct {
 	u32 pid;

tools/perf/tests/hists_cumulate.c

···
 #include "util/parse-events.h"
 #include "tests/tests.h"
 #include "tests/hists_common.h"
+#include <linux/kernel.h>
 
 struct sample {
 	u32 pid;

tools/perf/tests/hists_filter.c

···
 #include "util/parse-events.h"
 #include "tests/tests.h"
 #include "tests/hists_common.h"
+#include <linux/kernel.h>
 
 struct sample {
 	u32 pid;

tools/perf/tests/hists_link.c

···
 #include "thread.h"
 #include "parse-events.h"
 #include "hists_common.h"
+#include <errno.h>
+#include <linux/kernel.h>
 
 struct sample {
 	u32 pid;

tools/perf/tests/hists_output.c

···
 #include "util/parse-events.h"
 #include "tests/tests.h"
 #include "tests/hists_common.h"
+#include <linux/kernel.h>
 
 struct sample {
 	u32 cpu;

tools/perf/tests/is_printable_array.c

···
 #include <linux/compiler.h>
+#include <linux/kernel.h>
 #include "tests.h"
 #include "debug.h"
-#include "util.h"
+#include "print_binary.h"
 
 int test__is_printable_array(int subtest __maybe_unused)
 {

tools/perf/tests/mmap-basic.c

···
+#include <errno.h>
+#include <inttypes.h>
 /* For the CLR_() macros */
 #include <pthread.h>
 
···
 #include "cpumap.h"
 #include "tests.h"
 #include <linux/err.h>
+#include <linux/kernel.h>
 
 /*
  * This test will generate random numbers of calls to some getpid syscalls,

tools/perf/tests/mmap-thread-lookup.c

···
+#include <inttypes.h>
 #include <unistd.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
···
 #include "thread_map.h"
 #include "symbol.h"
 #include "thread.h"
+#include "util.h"
 
 #define THREADS 4
 

tools/perf/tests/openat-syscall-all-cpus.c

···
+#include <errno.h>
+#include <inttypes.h>
 /* For the CPU_* macros */
 #include <pthread.h>
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #include <api/fs/fs.h>
 #include <linux/err.h>
+#include <api/fs/tracing_path.h>
 #include "evsel.h"
 #include "tests.h"
 #include "thread_map.h"

tools/perf/tests/openat-syscall-tp-fields.c

···
 #include "thread_map.h"
 #include "tests.h"
 #include "debug.h"
+#include <errno.h>
 
 #ifndef O_DIRECTORY
 #define O_DIRECTORY    00200000

tools/perf/tests/openat-syscall.c

···
+#include <errno.h>
+#include <inttypes.h>
 #include <api/fs/tracing_path.h>
 #include <linux/err.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #include "thread_map.h"
 #include "evsel.h"
 #include "debug.h"

tools/perf/tests/parse-events.c

···
-
 #include "parse-events.h"
 #include "evsel.h"
 #include "evlist.h"
···
 #include "tests.h"
 #include "debug.h"
 #include "util.h"
+#include <dirent.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <linux/kernel.h>
 #include <linux/hw_breakpoint.h>
 #include <api/fs/fs.h>
+#include <api/fs/tracing_path.h>
 
 #define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \
 			     PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)

tools/perf/tests/parse-no-sample-id-all.c

···
+#include <linux/kernel.h>
 #include <linux/types.h>
 #include <stddef.h>
 

tools/perf/tests/perf-record.c

···
+#include <errno.h>
+#include <inttypes.h>
 /* For the CLR_() macros */
 #include <pthread.h>
 

tools/perf/tests/pmu.c

···
 #include "pmu.h"
 #include "util.h"
 #include "tests.h"
+#include <errno.h>
+#include <linux/kernel.h>
 
 /* Simulated format definitions. */
 static struct test_format {

tools/perf/tests/sample-parsing.c

···
 #include <stdbool.h>
+#include <inttypes.h>
+#include <linux/kernel.h>
 #include <linux/types.h>
 
 #include "util.h"

tools/perf/tests/sdt.c

···
+#include <errno.h>
 #include <stdio.h>
 #include <sys/epoll.h>
 #include <util/util.h>

tools/perf/tests/sw-clock.c

···
+#include <errno.h>
+#include <inttypes.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <signal.h>

tools/perf/tests/switch-tracking.c

···
 #include <sys/time.h>
 #include <sys/prctl.h>
+#include <errno.h>
 #include <time.h>
 #include <stdlib.h>
 

tools/perf/tests/task-exit.c

···
 #include "cpumap.h"
 #include "tests.h"
 
+#include <errno.h>
 #include <signal.h>
 
 static int exited;

tools/perf/tests/unit_number__scnprintf.c

···
+#include <inttypes.h>
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include "tests.h"
-#include "util.h"
+#include "units.h"
 #include "debug.h"
 
 int test__unit_number__scnprint(int subtest __maybe_unused)

tools/perf/tests/vmlinux-kallsyms.c

···
 #include <linux/compiler.h>
 #include <linux/rbtree.h>
+#include <inttypes.h>
 #include <string.h>
 #include "map.h"
 #include "symbol.h"

tools/perf/trace/beauty/signum.c

···
+#include <signal.h>
 
 static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg)
 {

tools/perf/ui/browser.c

···
 #include "../util.h"
+#include "../string2.h"
 #include "../config.h"
 #include "../../perf.h"
 #include "libslang.h"
···
 #include "helpline.h"
 #include "keysyms.h"
 #include "../color.h"
+#include "sane_ctype.h"
 
 static int ui_browser__percent_color(struct ui_browser *browser,
 				     double percent, bool current)

tools/perf/ui/browsers/annotate.c

···
 #include "../../util/symbol.h"
 #include "../../util/evsel.h"
 #include "../../util/config.h"
+#include <inttypes.h>
 #include <pthread.h>
+#include <linux/kernel.h>
+#include <sys/ttydefaults.h>
 
 struct disasm_line_samples {
 	double		percent;

tools/perf/ui/browsers/header.c

···
 #include "util/header.h"
 #include "util/session.h"
 
+#include <sys/ttydefaults.h>
+
 static void ui_browser__argv_write(struct ui_browser *browser,
 				   void *entry, int row)
 {

tools/perf/ui/browsers/hists.c

···
+#include <dirent.h>
+#include <errno.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <linux/rbtree.h>
+#include <sys/ttydefaults.h>
 
 #include "../../util/evsel.h"
 #include "../../util/evlist.h"
···
 #include "../../util/sort.h"
 #include "../../util/util.h"
 #include "../../util/top.h"
+#include "../../util/thread.h"
 #include "../../arch/common.h"
 
 #include "../browsers/hists.h"
···
 #include "../ui.h"
 #include "map.h"
 #include "annotate.h"
+#include "srcline.h"
+#include "string2.h"
+#include "units.h"
+
+#include "sane_ctype.h"
 
 extern void hist_browser__init_hpp(void);
 

tools/perf/ui/browsers/map.c

···
 #include "../keysyms.h"
 #include "map.h"
 
+#include "sane_ctype.h"
+
 struct map_browser {
 	struct ui_browser b;
 	struct map	  *map;

tools/perf/ui/gtk/annotate.c

···
 #include "util/annotate.h"
 #include "util/evsel.h"
 #include "ui/helpline.h"
-
+#include <inttypes.h>
+#include <signal.h>
 
 enum {
 	ANN_COL__PERCENT,

tools/perf/ui/gtk/hists.c

···
 #include "../sort.h"
 #include "../hist.h"
 #include "../helpline.h"
+#include "../string2.h"
 #include "gtk.h"
+#include <signal.h>
 
 #define MAX_COLUMNS			32
 

tools/perf/ui/hist.c

···
+#include <inttypes.h>
 #include <math.h>
 #include <linux/compiler.h>
 

tools/perf/ui/setup.c

···
 #include "../util/cache.h"
 #include "../util/debug.h"
 #include "../util/hist.h"
+#include "../util/util.h"
 
 pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
 void *perf_gtk_handle;

tools/perf/ui/stdio/hist.c

···
 #include "../../util/hist.h"
 #include "../../util/sort.h"
 #include "../../util/evsel.h"
-
+#include "../../util/srcline.h"
+#include "../../util/string2.h"
+#include "../../util/thread.h"
+#include "../../util/sane_ctype.h"
 
 static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
 {

tools/perf/ui/tui/setup.c

···
 #include <errno.h>
 #include <signal.h>
 #include <stdbool.h>
+#include <linux/kernel.h>
 #ifdef HAVE_BACKTRACE_SUPPORT
 #include <execinfo.h>
 #endif

tools/perf/util/Build

···
 libperf-y += parse-events.o
 libperf-y += perf_regs.o
 libperf-y += path.o
+libperf-y += print_binary.o
 libperf-y += rbtree.o
 libperf-y += libstring.o
 libperf-y += bitmap.o
···
 libperf-y += mem-events.o
 libperf-y += vsprintf.o
 libperf-y += drv_configs.o
+libperf-y += units.o
 libperf-y += time-utils.o
 libperf-y += expr-bison.o
 

tools/perf/util/annotate.c

···
  * Released under the GPL v2. (and only v2, not any later version)
  */
 
+#include <errno.h>
+#include <inttypes.h>
 #include "util.h"
 #include "ui/ui.h"
 #include "sort.h"
···
 #include "annotate.h"
 #include "evsel.h"
 #include "block-range.h"
+#include "string2.h"
 #include "arch/common.h"
 #include <regex.h>
 #include <pthread.h>
 #include <linux/bitops.h>
+#include <linux/kernel.h>
 #include <sys/utsname.h>
+
+#include "sane_ctype.h"
 
 const char 	*disassembler_style;
 const char	*objdump_path;

tools/perf/util/auxtrace.c

···
  *
  */
 
+#include <inttypes.h>
 #include <sys/types.h>
 #include <sys/mman.h>
 #include <stdbool.h>
-#include <ctype.h>
 #include <string.h>
 #include <limits.h>
 #include <errno.h>
···
 #include "cpumap.h"
 #include "thread_map.h"
 #include "asm/bug.h"
-#include "symbol/kallsyms.h"
 #include "auxtrace.h"
 
 #include <linux/hash.h>
···
 
 #include "intel-pt.h"
 #include "intel-bts.h"
+
+#include "sane_ctype.h"
+#include "symbol/kallsyms.h"
 
 int auxtrace_mmap__mmap(struct auxtrace_mmap *mm,
 			struct auxtrace_mmap_params *mp,

tools/perf/util/auxtrace.h

···
 #define __PERF_AUXTRACE_H
 
 #include <sys/types.h>
+#include <errno.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <linux/list.h>

tools/perf/util/bpf-loader.c

···
 #include <bpf/libbpf.h>
 #include <bpf/bpf.h>
 #include <linux/err.h>
+#include <linux/kernel.h>
 #include <linux/string.h>
+#include <errno.h>
 #include "perf.h"
 #include "debug.h"
 #include "bpf-loader.h"
···
 #include "probe-event.h"
 #include "probe-finder.h" // for MAX_PROBES
 #include "parse-events.h"
+#include "strfilter.h"
 #include "llvm-utils.h"
 #include "c++/clang-c.h"
 

tools/perf/util/bpf-loader.h

···
 			       char *buf, size_t size);
 
 #else
+#include <errno.h>
+
 static inline struct bpf_object *
 bpf__prepare_load(const char *filename __maybe_unused,
 		  bool source __maybe_unused)

tools/perf/util/bpf-prologue.c

···
 #include "bpf-loader.h"
 #include "bpf-prologue.h"
 #include "probe-finder.h"
+#include <errno.h>
 #include <dwarf-regs.h>
 #include <linux/filter.h>
 

tools/perf/util/bpf-prologue.h

···
 		      struct bpf_insn *new_prog, size_t *new_cnt,
 		      size_t cnt_space);
 #else
+#include <errno.h>
+
 static inline int
 bpf__gen_prologue(struct probe_trace_arg *args __maybe_unused,
 		  int nargs __maybe_unused,

tools/perf/util/build-id.c

···
  * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <[e-mail]>
  */
 #include "util.h"
+#include <dirent.h>
+#include <errno.h>
 #include <stdio.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 #include "build-id.h"
 #include "event.h"
 #include "symbol.h"
+#include "thread.h"
 #include <linux/kernel.h>
 #include "debug.h"
 #include "session.h"
 #include "tool.h"
 #include "header.h"
 #include "vdso.h"
+#include "path.h"
 #include "probe-file.h"
+#include "strlist.h"
 
+#include "sane_ctype.h"
 
 static bool no_buildid_cache;
 
···
 }
 
 static bool lsdir_bid_head_filter(const char *name __maybe_unused,
-				  struct dirent *d __maybe_unused)
+				  struct dirent *d)
 {
 	return (strlen(d->d_name) == 2) &&
 		isxdigit(d->d_name[0]) && isxdigit(d->d_name[1]);
 }
 
 static bool lsdir_bid_tail_filter(const char *name __maybe_unused,
-				  struct dirent *d __maybe_unused)
+				  struct dirent *d)
 {
 	int i = 0;
 	while (isxdigit(d->d_name[i]) && i < SBUILD_ID_SIZE - 3)

tools/perf/util/build-id.h

···
 #define SBUILD_ID_SIZE	(BUILD_ID_SIZE * 2 + 1)
 
 #include "tool.h"
-#include "strlist.h"
 #include <linux/types.h>
 
 extern struct perf_tool build_id__mark_dso_hit_ops;
···
 char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size);
 char *build_id_cache__cachedir(const char *sbuild_id, const char *name,
 			       bool is_kallsyms, bool is_vdso);
+
+struct strlist;
+
 struct strlist *build_id_cache__list_all(bool validonly);
 char *build_id_cache__complement(const char *incomplete_sbuild_id);
 int build_id_cache__list_build_ids(const char *pathname,

tools/perf/util/c++/clang-c.h

···
 				   size_t *p_obj_buf_sz);
 #else
 
+#include <errno.h>
 
 static inline void perf_clang__init(void) { }
 static inline void perf_clang__cleanup(void) { }

tools/perf/util/callchain.c

···
  *
  */
 
+#include <inttypes.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdbool.h>
···
 #include "sort.h"
 #include "machine.h"
 #include "callchain.h"
+
+#define CALLCHAIN_PARAM_DEFAULT			\
+	.mode		= CHAIN_GRAPH_ABS,	\
+	.min_percent	= 0.5,			\
+	.order		= ORDER_CALLEE,		\
+	.key		= CCKEY_FUNCTION,	\
+	.value		= CCVAL_PERCENT,	\
+
+struct callchain_param callchain_param = {
+	CALLCHAIN_PARAM_DEFAULT
+};
+
+struct callchain_param callchain_param_default = {
+	CALLCHAIN_PARAM_DEFAULT
+};
 
 __thread struct callchain_cursor callchain_cursor;
 
···
 	return -1;
 }
 
+static int get_stack_size(const char *str, unsigned long *_size)
+{
+	char *endptr;
+	unsigned long size;
+	unsigned long max_size = round_down(USHRT_MAX, sizeof(u64));
+
+	size = strtoul(str, &endptr, 0);
+
+	do {
+		if (*endptr)
+			break;
+
+		size = round_up(size, sizeof(u64));
+		if (!size || size > max_size)
+			break;
+
+		*_size = size;
+		return 0;
+
+	} while (0);
+
+	pr_err("callchain: Incorrect stack dump size (max %ld): %s\n",
+	       max_size, str);
+	return -1;
+}
+
 static int
 __parse_callchain_report_opt(const char *arg, bool allow_record_opt)
 {
···
 int parse_callchain_top_opt(const char *arg)
 {
 	return __parse_callchain_report_opt(arg, true);
+}
+
+int parse_callchain_record(const char *arg, struct callchain_param *param)
+{
+	char *tok, *name, *saveptr = NULL;
+	char *buf;
+	int ret = -1;
+
+	/* We need buffer that we know we can write to. */
+	buf = malloc(strlen(arg) + 1);
+	if (!buf)
+		return -ENOMEM;
+
+	strcpy(buf, arg);
+
+	tok = strtok_r((char *)buf, ",", &saveptr);
+	name = tok ? : (char *)buf;
+
+	do {
+		/* Framepointer style */
+		if (!strncmp(name, "fp", sizeof("fp"))) {
+			if (!strtok_r(NULL, ",", &saveptr)) {
+				param->record_mode = CALLCHAIN_FP;
+				ret = 0;
+			} else
+				pr_err("callchain: No more arguments "
+				       "needed for --call-graph fp\n");
+			break;
+
+		/* Dwarf style */
+		} else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
+			const unsigned long default_stack_dump_size = 8192;
+
+			ret = 0;
+			param->record_mode = CALLCHAIN_DWARF;
+			param->dump_size = default_stack_dump_size;
+
+			tok = strtok_r(NULL, ",", &saveptr);
+			if (tok) {
+				unsigned long size = 0;
+
+				ret = get_stack_size(tok, &size);
+				param->dump_size = size;
+			}
+		} else if (!strncmp(name, "lbr", sizeof("lbr"))) {
+			if (!strtok_r(NULL, ",", &saveptr)) {
+				param->record_mode = CALLCHAIN_LBR;
+				ret = 0;
+			} else
+				pr_err("callchain: No more arguments "
+					"needed for --call-graph lbr\n");
+			break;
+		} else {
+			pr_err("callchain: Unknown --call-graph option "
+			       "value: %s\n", arg);
+			break;
+		}
+
+	} while (0);
+
+	free(buf);
+	return ret;
 }
 
 int perf_callchain_config(const char *var, const char *value)

tools/perf/util/cgroup.c

···
 #include "evsel.h"
 #include "cgroup.h"
 #include "evlist.h"
+#include <linux/stringify.h>
 
 int nr_cgroups;
 
···
 	path_v1[0] = '\0';
 	path_v2[0] = '\0';
 
-	while (fscanf(fp, "%*s %"STR(PATH_MAX)"s %"STR(PATH_MAX)"s %"
-				STR(PATH_MAX)"s %*d %*d\n",
+	while (fscanf(fp, "%*s %"__stringify(PATH_MAX)"s %"__stringify(PATH_MAX)"s %"
+				__stringify(PATH_MAX)"s %*d %*d\n",
 				mountpoint, type, tokens) == 3) {
 
 		if (!path_v1[0] && !strcmp(type, "cgroup")) {

tools/perf/util/cloexec.c

···
+#include <errno.h>
 #include <sched.h>
 #include "util.h"
 #include "../perf.h"

tools/perf/util/color.h

···
 #ifndef __PERF_COLOR_H
 #define __PERF_COLOR_H
 
+#include <stdio.h>
+
 /* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
 #define COLOR_MAXLEN 24
 

tools/perf/util/comm.c

···
 #include "comm.h"
 #include "util.h"
+#include <errno.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <linux/refcount.h>
 
 struct comm_str {

tools/perf/util/compress.h

···
+#ifndef PERF_COMPRESS_H
+#define PERF_COMPRESS_H
+
+#ifdef HAVE_ZLIB_SUPPORT
+int gzip_decompress_to_file(const char *input, int output_fd);
+#endif
+
+#ifdef HAVE_LZMA_SUPPORT
+int lzma_decompress_to_file(const char *input, int output_fd);
+#endif
+
+#endif /* PERF_COMPRESS_H */

tools/perf/util/config.c

···
  * Copyright (C) Johannes Schindelin, 2005
  *
  */
+#include <errno.h>
+#include <sys/param.h>
 #include "util.h"
 #include "cache.h"
 #include <subcmd/exec-cmd.h>
 #include "util/hist.h"  /* perf_hist_config */
 #include "util/llvm-utils.h"   /* perf_llvm_config */
 #include "config.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "sane_ctype.h"
 
 #define MAXNAME (256)
 

tools/perf/util/counts.c

···
+#include <errno.h>
 #include <stdlib.h>
 #include "evsel.h"
 #include "counts.h"
+#include "util.h"
 
 struct perf_counts *perf_counts__new(int ncpus, int nthreads)
 {

tools/perf/util/cpumap.c

···
 #include "../perf.h"
 #include "cpumap.h"
 #include <assert.h>
+#include <dirent.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <linux/bitmap.h>
 #include "asm/bug.h"
+
+#include "sane_ctype.h"
 
 static int max_cpu_num;
 static int max_present_cpu_num;

tools/perf/util/ctype.c

···
  *
  * No surprises, and works with signed and unsigned chars.
  */
-#include "util.h"
+#include "sane_ctype.h"
 
 enum {
 	S = GIT_SPACE,

tools/perf/util/data-convert-bt.c

···
  * Released under the GPL v2. (and only v2, not any later version)
  */
 
+#include <errno.h>
+#include <inttypes.h>
 #include <linux/compiler.h>
+#include <linux/kernel.h>
 #include <babeltrace/ctf-writer/writer.h>
 #include <babeltrace/ctf-writer/clock.h>
 #include <babeltrace/ctf-writer/stream.h>
···
 #include "evsel.h"
 #include "machine.h"
 #include "config.h"
+#include "sane_ctype.h"
 
 #define pr_N(n, fmt, ...) \
 	eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__)

tools/perf/util/data.c

···
 #include <linux/kernel.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <errno.h>
 #include <unistd.h>
 #include <string.h>
 

tools/perf/util/debug.c

···
 
 #include "../perf.h"
 
+#include <inttypes.h>
 #include <string.h>
 #include <stdarg.h>
 #include <stdio.h>
+#include <sys/wait.h>
 #include <api/debug.h>
 #include <linux/time64.h>
-
+#ifdef HAVE_BACKTRACE_SUPPORT
+#include <execinfo.h>
+#endif
 #include "cache.h"
 #include "color.h"
 #include "event.h"
 #include "debug.h"
+#include "print_binary.h"
 #include "util.h"
 #include "target.h"
+
+#include "sane_ctype.h"
 
 int verbose;
 bool dump_trace = false, quiet = false;
···
 void perf_debug_setup(void)
 {
 	libapi_set_print(pr_warning_wrapper, pr_warning_wrapper, pr_debug_wrapper);
+}
+
+/* Obtain a backtrace and print it to stdout. */
+#ifdef HAVE_BACKTRACE_SUPPORT
+void dump_stack(void)
+{
+	void *array[16];
+	size_t size = backtrace(array, ARRAY_SIZE(array));
+	char **strings = backtrace_symbols(array, size);
+	size_t i;
+
+	printf("Obtained %zd stack frames.\n", size);
+
+	for (i = 0; i < size; i++)
+		printf("%s\n", strings[i]);
+
+	free(strings);
+}
+#else
+void dump_stack(void) {}
+#endif
+
+void sighandler_dump_stack(int sig)
+{
+	psignal(sig, "perf");
+	dump_stack();
+	signal(sig, SIG_DFL);
+	raise(sig);
 }

tools/perf/util/debug.h

···
 void perf_debug_setup(void);
 int perf_quiet_option(void);
 
+void dump_stack(void);
+void sighandler_dump_stack(int sig);
+
 #endif	/* __PERF_DEBUG_H */

tools/perf/util/demangle-java.c

···
 
 #include "demangle-java.h"
 
+#include "sane_ctype.h"
+
 enum {
 	MODE_PREFIX = 0,
 	MODE_CLASS  = 1,

tools/perf/util/drv_configs.c

···
 #include "evlist.h"
 #include "evsel.h"
 #include "pmu.h"
+#include <errno.h>
 
 static int
 perf_evsel__apply_drv_configs(struct perf_evsel *evsel,

tools/perf/util/dso.c

···
 #include <asm/bug.h>
+#include <linux/kernel.h>
 #include <sys/time.h>
 #include <sys/resource.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include "compress.h"
+#include "path.h"
 #include "symbol.h"
 #include "dso.h"
 #include "machine.h"
 #include "auxtrace.h"
 #include "util.h"
 #include "debug.h"
+#include "string2.h"
 #include "vdso.h"
 
 static const char * const debuglink_paths[] = {

tools/perf/util/dwarf-aux.c

···
  *
  */
 
+#include <errno.h>
+#include <inttypes.h>
 #include <stdbool.h>
 #include "util.h"
 #include "debug.h"
 #include "dwarf-aux.h"
+#include "string2.h"
 
 /**
  * cu_find_realpath - Find the realpath of the target file

tools/perf/util/dwarf-regs.c

···
 #include <debug.h>
 #include <dwarf-regs.h>
 #include <elf.h>
+#include <linux/kernel.h>
 
 #ifndef EM_AARCH64
 #define EM_AARCH64	183  /* ARM 64 bit */

tools/perf/util/env.c

···
 #include "cpumap.h"
 #include "env.h"
 #include "util.h"
+#include <errno.h>
 
 struct perf_env perf_env;
 

tools/perf/util/event.c

···
+#include <dirent.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <linux/kernel.h>
 #include <linux/types.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 #include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */
 #include <api/fs/fs.h>
 #include "event.h"
···
 #include "hist.h"
 #include "machine.h"
 #include "sort.h"
-#include "string.h"
+#include "string2.h"
 #include "strlist.h"
 #include "thread.h"
 #include "thread_map.h"
+#include "sane_ctype.h"
 #include "symbol/kallsyms.h"
 #include "asm/bug.h"
 #include "stat.h"
···
 	ppids = strstr(bf, "PPid:");
 
 	if (name) {
+		char *nl;
+
 		name += 5;  /* strlen("Name:") */
-		name = rtrim(ltrim(name));
+		name = ltrim(name);
+
+		nl = strchr(name, '\n');
+		if (nl)
+			*nl = '\0';
+
 		size = strlen(name);
 		if (size >= len)
 			size = len - 1;

tools/perf/util/event.h

···
 
 #include <limits.h>
 #include <stdio.h>
+#include <linux/kernel.h>
 
 #include "../perf.h"
-#include "map.h"
 #include "build-id.h"
 #include "perf_regs.h"
 

tools/perf/util/evlist.c

···
  */
 #include "util.h"
 #include <api/fs/fs.h>
+#include <errno.h>
+#include <inttypes.h>
 #include <poll.h>
 #include "cpumap.h"
 #include "thread_map.h"
···
 #include "evlist.h"
 #include "evsel.h"
 #include "debug.h"
+#include "units.h"
 #include "asm/bug.h"
+#include <signal.h>
 #include <unistd.h>
 
 #include "parse-events.h"
 #include <subcmd/parse-options.h>
 
+#include <sys/ioctl.h>
 #include <sys/mman.h>
 
 #include <linux/bitops.h>

tools/perf/util/evlist.h

···
 #ifndef __PERF_EVLIST_H
 #define __PERF_EVLIST_H 1
 
+#include <linux/kernel.h>
 #include <linux/refcount.h>
 #include <linux/list.h>
 #include <api/fd/array.h>
···
 #include "evsel.h"
 #include "util.h"
 #include "auxtrace.h"
+#include <signal.h>
 #include <unistd.h>
 
 struct pollfd;

tools/perf/util/evsel.c

···
  */
 
 #include <byteswap.h>
+#include <errno.h>
+#include <inttypes.h>
 #include <linux/bitops.h>
 #include <api/fs/tracing_path.h>
 #include <traceevent/event-parse.h>
 #include <linux/hw_breakpoint.h>
 #include <linux/perf_event.h>
 #include <linux/err.h>
+#include <sys/ioctl.h>
 #include <sys/resource.h>
 #include "asm/bug.h"
 #include "callchain.h"
···
 #include "trace-event.h"
 #include "stat.h"
 #include "util/parse-branch-options.h"
+
+#include "sane_ctype.h"
 
 static struct {
 	bool sample_id_all;

tools/perf/util/evsel_fprintf.c

···
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdbool.h>
 #include <traceevent/event-parse.h>
 #include "evsel.h"
 #include "callchain.h"
 #include "map.h"
+#include "strlist.h"
 #include "symbol.h"
 
 static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...)

tools/perf/util/header.c

···
+#include <errno.h>
+#include <inttypes.h>
 #include "util.h"
+#include "string2.h"
+#include <sys/param.h>
 #include <sys/types.h>
 #include <byteswap.h>
 #include <unistd.h>
···
 #include <linux/list.h>
 #include <linux/kernel.h>
 #include <linux/bitops.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 #include <sys/utsname.h>
+#include <unistd.h>
 
 #include "evlist.h"
 #include "evsel.h"
···
 #include "data.h"
 #include <api/fs/fs.h>
 #include "asm/bug.h"
+
+#include "sane_ctype.h"
 
 /*
  * magic2 = "PERFILE2"

tools/perf/util/help-unknown-cmd.c

···
 #include "cache.h"
 #include "config.h"
+#include <poll.h>
 #include <stdio.h>
 #include <subcmd/help.h>
 #include "../builtin.h"

tools/perf/util/hist.c

···
 #include "evlist.h"
 #include "evsel.h"
 #include "annotate.h"
+#include "srcline.h"
+#include "thread.h"
 #include "ui/progress.h"
+#include <errno.h>
 #include <math.h>
+#include <sys/param.h>
 
 static bool hists__filter_entry_by_dso(struct hists *hists,
 				       struct hist_entry *he);

tools/perf/util/intel-bts.c

···
  */
 
 #include <endian.h>
+#include <errno.h>
 #include <byteswap.h>
+#include <inttypes.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/bitops.h>

tools/perf/util/intel-pt.c

···
  *
  */
 
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdbool.h>
 #include <errno.h>

tools/perf/util/jitdump.c

···
 #include <sys/sysmacros.h>
 #include <sys/types.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
···
 #include <byteswap.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
+#include <linux/stringify.h>
 
 #include "util.h"
 #include "event.h"
 #include "debug.h"
 #include "evlist.h"
 #include "symbol.h"
-#include "strlist.h"
 #include <elf.h>
 
 #include "tsc.h"
···
 #include "jitdump.h"
 #include "genelf.h"
 #include "../builtin.h"
+
+#include "sane_ctype.h"
 
 struct jit_buf_desc {
 	struct perf_data_file *output;
···
 			jd->use_arch_timestamp);
 
 	if (header.version > JITHEADER_VERSION) {
-		pr_err("wrong jitdump version %u, expected " STR(JITHEADER_VERSION),
+		pr_err("wrong jitdump version %u, expected " __stringify(JITHEADER_VERSION),
 			header.version);
 		goto error;
 	}

tools/perf/util/llvm-utils.c

···
 #include "llvm-utils.h"
 #include "config.h"
 #include "util.h"
+#include <sys/wait.h>
 
 #define CLANG_BPF_CMD_DEFAULT_TEMPLATE				\
 		"$CLANG_EXEC -D__KERNEL__ -D__NR_CPUS__=$NR_CPUS "\

tools/perf/util/lzma.c

···
+#include <errno.h>
 #include <lzma.h>
 #include <stdio.h>
 #include <linux/compiler.h>
+#include "compress.h"
 #include "util.h"
 #include "debug.h"
 

tools/perf/util/machine.c

···
+#include <dirent.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <regex.h>
 #include "callchain.h"
 #include "debug.h"
 #include "event.h"
···
 #include "thread.h"
 #include "vdso.h"
 #include <stdbool.h>
-#include <symbol/kallsyms.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 #include "unwind.h"
 #include "linux/hash.h"
 #include "asm/bug.h"
+
+#include "sane_ctype.h"
+#include <symbol/kallsyms.h>
 
 static void __machine__remove_thread(struct machine *machine, struct thread *th, bool lock);
 

tools/perf/util/map.c

···
 #include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */
 #include "map.h"
 #include "thread.h"
-#include "strlist.h"
 #include "vdso.h"
 #include "build-id.h"
 #include "util.h"
 #include "debug.h"
 #include "machine.h"
 #include <linux/string.h>
+#include "srcline.h"
 #include "unwind.h"
 
 static void __maps__insert(struct maps *maps, struct map *map);

tools/perf/util/mem-events.c

···
 #include <sys/stat.h>
 #include <unistd.h>
 #include <api/fs/fs.h>
+#include <linux/kernel.h>
 #include "mem-events.h"
 #include "debug.h"
 #include "symbol.h"
···
 static const char * const snoop_access[] = {
 	"N/A",
 	"None",
-	"Miss",
 	"Hit",
+	"Miss",
 	"HitM",
 };
 

tools/perf/util/namespaces.c

···
 #include "event.h"
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 
 struct namespaces *namespaces__new(struct namespaces_event *event)
 {

tools/perf/util/ordered-events.c

···
+#include <errno.h>
+#include <inttypes.h>
 #include <linux/list.h>
 #include <linux/compiler.h>
 #include <linux/string.h>

tools/perf/util/parse-events.c

···
 #include <linux/hw_breakpoint.h>
 #include <linux/err.h>
-#include "util.h"
+#include <dirent.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/param.h>
+#include "term.h"
 #include "../perf.h"
 #include "evlist.h"
 #include "evsel.h"
 #include <subcmd/parse-options.h>
 #include "parse-events.h"
 #include <subcmd/exec-cmd.h>
-#include "string.h"
+#include "string2.h"
+#include "strlist.h"
 #include "symbol.h"
 #include "cache.h"
 #include "header.h"

tools/perf/util/path.c

···
  * which is what it's designed for.
  */
 #include "cache.h"
-#include "util.h"
+#include "path.h"
+#include <linux/kernel.h>
 #include <limits.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 static char bad_path[] = "/bad-path/";
 /*
···
 	if (len >= PATH_MAX)
 		return bad_path;
 	return cleanup_path(pathname);
+}
+
+int path__join(char *bf, size_t size, const char *path1, const char *path2)
+{
+	return scnprintf(bf, size, "%s%s%s", path1, path1[0] ? "/" : "", path2);
+}
+
+int path__join3(char *bf, size_t size, const char *path1, const char *path2, const char *path3)
+{
+	return scnprintf(bf, size, "%s%s%s%s%s", path1, path1[0] ? "/" : "",
+			 path2, path2[0] ? "/" : "", path3);
+}
+
+bool is_regular_file(const char *file)
+{
+	struct stat st;
+
+	if (stat(file, &st))
+		return false;
+
+	return S_ISREG(st.st_mode);
 }

tools/perf/util/path.h

···
+#ifndef _PERF_PATH_H
+#define _PERF_PATH_H
+
+int path__join(char *bf, size_t size, const char *path1, const char *path2);
+int path__join3(char *bf, size_t size, const char *path1, const char *path2, const char *path3);
+
+bool is_regular_file(const char *file);
+
+#endif /* _PERF_PATH_H */

tools/perf/util/perf-hooks.c

···
 #include <stdlib.h>
 #include <setjmp.h>
 #include <linux/err.h>
+#include <linux/kernel.h>
 #include "util/util.h"
 #include "util/debug.h"
 #include "util/perf-hooks.h"

tools/perf/util/pmu.c

···
 #include <linux/list.h>
 #include <linux/compiler.h>
 #include <sys/types.h>
+#include <errno.h>
+#include <sys/stat.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdbool.h>
···
 #include "header.h"
 #include "pmu-events/pmu-events.h"
 #include "cache.h"
+#include "string2.h"
 
 struct perf_pmu_format {
 	char *name;

tools/perf/util/print_binary.c

···
+#include "print_binary.h"
+#include <linux/log2.h>
+#include "sane_ctype.h"
+
+void print_binary(unsigned char *data, size_t len,
+		  size_t bytes_per_line, print_binary_t printer,
+		  void *extra)
+{
+	size_t i, j, mask;
+
+	if (!printer)
+		return;
+
+	bytes_per_line = roundup_pow_of_two(bytes_per_line);
+	mask = bytes_per_line - 1;
+
+	printer(BINARY_PRINT_DATA_BEGIN, 0, extra);
+	for (i = 0; i < len; i++) {
+		if ((i & mask) == 0) {
+			printer(BINARY_PRINT_LINE_BEGIN, -1, extra);
+			printer(BINARY_PRINT_ADDR, i, extra);
+		}
+
+		printer(BINARY_PRINT_NUM_DATA, data[i], extra);
+
+		if (((i & mask) == mask) || i == len - 1) {
+			for (j = 0; j < mask-(i & mask); j++)
+				printer(BINARY_PRINT_NUM_PAD, -1, extra);
+
+			printer(BINARY_PRINT_SEP, i, extra);
+			for (j = i & ~mask; j <= i; j++)
+				printer(BINARY_PRINT_CHAR_DATA, data[j], extra);
+			for (j = 0; j < mask-(i & mask); j++)
+				printer(BINARY_PRINT_CHAR_PAD, i, extra);
+			printer(BINARY_PRINT_LINE_END, -1, extra);
+		}
+	}
+	printer(BINARY_PRINT_DATA_END, -1, extra);
+}
+
+int is_printable_array(char *p, unsigned int len)
+{
+	unsigned int i;
+
+	if (!p || !len || p[len - 1] != 0)
+		return 0;
+
+	len--;
+
+	for (i = 0; i < len; i++) {
+		if (!isprint(p[i]) && !isspace(p[i]))
+			return 0;
+	}
+	return 1;
+}

tools/perf/util/print_binary.h

···
+#ifndef PERF_PRINT_BINARY_H
+#define PERF_PRINT_BINARY_H
+
+#include <stddef.h>
+
+enum binary_printer_ops {
+	BINARY_PRINT_DATA_BEGIN,
+	BINARY_PRINT_LINE_BEGIN,
+	BINARY_PRINT_ADDR,
+	BINARY_PRINT_NUM_DATA,
+	BINARY_PRINT_NUM_PAD,
+	BINARY_PRINT_SEP,
+	BINARY_PRINT_CHAR_DATA,
+	BINARY_PRINT_CHAR_PAD,
+	BINARY_PRINT_LINE_END,
+	BINARY_PRINT_DATA_END,
+};
+
+typedef void (*print_binary_t)(enum binary_printer_ops op,
+			       unsigned int val, void *extra);
+
+void print_binary(unsigned char *data, size_t len,
+		  size_t bytes_per_line, print_binary_t printer,
+		  void *extra);
+
+int is_printable_array(char *p, unsigned int len);
+
+#endif /* PERF_PRINT_BINARY_H */

tools/perf/util/probe-event.c

···
  *
  */
 
+#include <inttypes.h>
 #include <sys/utsname.h>
 #include <sys/types.h>
 #include <sys/stat.h>
···
 #include "util.h"
 #include "event.h"
 #include "strlist.h"
+#include "strfilter.h"
 #include "debug.h"
 #include "cache.h"
 #include "color.h"
···
 #include "probe-finder.h"
 #include "probe-file.h"
 #include "session.h"
+#include "string2.h"
+
+#include "sane_ctype.h"
 
 #define PERFPROBE_GROUP "probe"
 

tools/perf/util/probe-event.h

···
 
 #include <stdbool.h>
 #include "intlist.h"
-#include "strlist.h"
-#include "strfilter.h"
 
 /* Probe related configurations */
 struct probe_conf {
···
 	struct intlist		*line_list;	/* Visible lines */
 };
 
+struct strlist;
+
 /* List of variables */
 struct variable_list {
 	struct probe_trace_point	point;	/* Actual probepoint */
···
 int apply_perf_probe_events(struct perf_probe_event *pevs, int npevs);
 int show_probe_trace_events(struct perf_probe_event *pevs, int npevs);
 void cleanup_perf_probe_events(struct perf_probe_event *pevs, int npevs);
+
+struct strfilter;
+
 int del_perf_probe_events(struct strfilter *filter);
 
 int show_perf_probe_event(const char *group, const char *event,

tools/perf/util/probe-file.c

···
  * GNU General Public License for more details.
  *
  */
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 #include <sys/uio.h>
+#include <unistd.h>
 #include "util.h"
 #include "event.h"
 #include "strlist.h"
+#include "strfilter.h"
 #include "debug.h"
 #include "cache.h"
 #include "color.h"
···
 #include "probe-file.h"
 #include "session.h"
 #include "perf_regs.h"
+#include "string2.h"
 
 /* 4096 - 2 ('\n' + '\0') */
 #define MAX_CMDLEN 4094

tools/perf/util/probe-file.h

···
 #ifndef __PROBE_FILE_H
 #define __PROBE_FILE_H
 
-#include "strlist.h"
-#include "strfilter.h"
 #include "probe-event.h"
+
+struct strlist;
+struct strfilter;
 
 /* Cache of probe definitions */
 struct probe_cache_entry {
···
 struct strlist *probe_file__get_namelist(int fd);
 struct strlist *probe_file__get_rawlist(int fd);
 int probe_file__add_event(int fd, struct probe_trace_event *tev);
+
 int probe_file__del_events(int fd, struct strfilter *filter);
 int probe_file__get_events(int fd, struct strfilter *filter,
 				  struct strlist *plist);

tools/perf/util/probe-finder.c

···
  *
  */
 
+#include <inttypes.h>
 #include <sys/utsname.h>
 #include <sys/types.h>
 #include <sys/stat.h>
···
 #include "debug.h"
 #include "intlist.h"
 #include "util.h"
+#include "strlist.h"
 #include "symbol.h"
 #include "probe-finder.h"
 #include "probe-file.h"
+#include "string2.h"
 
 /* Kprobe tracer basic type is up to u64 */
 #define MAX_BASIC_TYPE_BITS	64

tools/perf/util/probe-finder.h

···
 #define _PROBE_FINDER_H
 
 #include <stdbool.h>
-#include "util.h"
 #include "intlist.h"
 #include "probe-event.h"
+#include "sane_ctype.h"
 
 #define MAX_PROBE_BUFFER	1024
 #define MAX_PROBES		 128

tools/perf/util/python-ext-sources

···
 util/parse-branch-options.c
 util/rblist.c
 util/counts.c
+util/print_binary.c
 util/strlist.c
 util/trace-event.c
 ../lib/rbtree.c
 util/string.c
 util/symbol_fprintf.c
+util/units.c

tools/perf/util/python.c

···
 #include <poll.h>
 #include <linux/err.h>
 #include "evlist.h"
+#include "callchain.h"
 #include "evsel.h"
 #include "event.h"
 #include "cpumap.h"
+#include "print_binary.h"
 #include "thread_map.h"
+
+/*
+ * Provide these two so that we don't have to link against callchain.c and
+ * start dragging hist.c, etc.
+ */
+struct callchain_param callchain_param;
+
+int parse_callchain_record(const char *arg __maybe_unused,
+			   struct callchain_param *param __maybe_unused)
+{
+	return 0;
+}
 
 /*
  * Support debug printing even though util/debug.c is not linked.  That means

tools/perf/util/quote.c

···
+#include <errno.h>
 #include <stdlib.h>
 #include "strbuf.h"
 #include "quote.h"

tools/perf/util/record.c

···
 #include "evsel.h"
 #include "cpumap.h"
 #include "parse-events.h"
+#include <errno.h>
 #include <api/fs/fs.h>
 #include "util.h"
 #include "cloexec.h"

tools/perf/util/sane_ctype.h

···
+#ifndef _PERF_SANE_CTYPE_H
+#define _PERF_SANE_CTYPE_H
+
+extern const char *graph_line;
+extern const char *graph_dotted_line;
+extern const char *spaces;
+extern const char *dots;
+
+/* Sane ctype - no locale, and works with signed chars */
+#undef isascii
+#undef isspace
+#undef isdigit
+#undef isxdigit
+#undef isalpha
+#undef isprint
+#undef isalnum
+#undef islower
+#undef isupper
+#undef tolower
+#undef toupper
+
+extern unsigned char sane_ctype[256];
+#define GIT_SPACE		0x01
+#define GIT_DIGIT		0x02
+#define GIT_ALPHA		0x04
+#define GIT_GLOB_SPECIAL	0x08
+#define GIT_REGEX_SPECIAL	0x10
+#define GIT_PRINT_EXTRA		0x20
+#define GIT_PRINT		0x3E
+#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
+#define isascii(x) (((x) & ~0x7f) == 0)
+#define isspace(x) sane_istest(x,GIT_SPACE)
+#define isdigit(x) sane_istest(x,GIT_DIGIT)
+#define isxdigit(x)	\
+	(sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
+#define isalpha(x) sane_istest(x,GIT_ALPHA)
+#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
+#define isprint(x) sane_istest(x,GIT_PRINT)
+#define islower(x) (sane_istest(x,GIT_ALPHA) && (x & 0x20))
+#define isupper(x) (sane_istest(x,GIT_ALPHA) && !(x & 0x20))
+#define tolower(x) sane_case((unsigned char)(x), 0x20)
+#define toupper(x) sane_case((unsigned char)(x), 0)
+
+static inline int sane_case(int x, int high)
+{
+	if (sane_istest(x, GIT_ALPHA))
+		x = (x & ~0x20) | high;
+	return x;
+}
+
+#endif /* _PERF_SANE_CTYPE_H */

tools/perf/util/scripting-engines/trace-event-perl.c

···
  *
  */
 
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

tools/perf/util/scripting-engines/trace-event-python.c

···
 
 #include <Python.h>
 
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
···
 #include "../call-path.h"
 #include "thread_map.h"
 #include "cpumap.h"
+#include "print_binary.h"
 #include "stat.h"
 
 PyMODINIT_FUNC initperf_trace_context(void);

tools/perf/util/session.c

···
+#include <errno.h>
+#include <inttypes.h>
 #include <linux/kernel.h>
 #include <traceevent/event-parse.h>
 #include <api/fs/fs.h>
···
 #include "perf_regs.h"
 #include "asm/bug.h"
 #include "auxtrace.h"
+#include "thread.h"
 #include "thread-stack.h"
 #include "stat.h"
 

tools/perf/util/session.h

···
 #include "event.h"
 #include "header.h"
 #include "machine.h"
-#include "symbol.h"
-#include "thread.h"
 #include "data.h"
 #include "ordered-events.h"
+#include <linux/kernel.h>
 #include <linux/rbtree.h>
 #include <linux/perf_event.h>
 
 struct ip_callchain;
+struct symbol;
 struct thread;
 
 struct auxtrace;

tools/perf/util/sort.c

···
+#include <errno.h>
+#include <inttypes.h>
+#include <regex.h>
 #include <sys/mman.h>
 #include "sort.h"
 #include "hist.h"
 #include "comm.h"
 #include "symbol.h"
+#include "thread.h"
 #include "evsel.h"
 #include "evlist.h"
+#include "strlist.h"
 #include <traceevent/event-parse.h>
 #include "mem-events.h"
+#include <linux/kernel.h>
 
 regex_t		parent_regex;
 const char	default_parent_pattern[] = "^sys_|^do_page_fault";

tools/perf/util/sort.h

···
 #define __PERF_SORT_H
 #include "../builtin.h"
 
-#include "util.h"
+#include <regex.h>
 
 #include "color.h"
 #include <linux/list.h>
···
 #include "symbol.h"
 #include "string.h"
 #include "callchain.h"
-#include "strlist.h"
 #include "values.h"
 
 #include "../perf.h"
···
 #include <subcmd/parse-options.h>
 #include "parse-events.h"
 #include "hist.h"
-#include "thread.h"
+#include "srcline.h"
+
+struct thread;
 
 extern regex_t parent_regex;
 extern const char *sort_order;

tools/perf/util/srcline.c

···
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
···
 #include "util/util.h"
 #include "util/debug.h"
 #include "util/callchain.h"
+#include "srcline.h"
 
 #include "symbol.h"
 

tools/perf/util/srcline.h

···
+#ifndef PERF_SRCLINE_H
+#define PERF_SRCLINE_H
+
+#include <linux/list.h>
+#include <linux/types.h>
+
+struct dso;
+struct symbol;
+
+extern bool srcline_full_filename;
+char *get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
+		  bool show_sym, bool show_addr);
+char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
+		  bool show_sym, bool show_addr, bool unwind_inlines);
+void free_srcline(char *srcline);
+
+#define SRCLINE_UNKNOWN  ((char *) "??:0")
+
+struct inline_list {
+	char			*filename;
+	char			*funcname;
+	unsigned int		line_nr;
+	struct list_head	list;
+};
+
+struct inline_node {
+	u64			addr;
+	struct list_head	val;
+};
+
+struct inline_node *dso__parse_addr_inlines(struct dso *dso, u64 addr);
+void inline_node__delete(struct inline_node *node);
+
+#endif /* PERF_SRCLINE_H */

tools/perf/util/stat.c

···
+#include <errno.h>
+#include <inttypes.h>
 #include <math.h>
 #include "stat.h"
 #include "evlist.h"

tools/perf/util/strbuf.c

···
 #include "debug.h"
 #include "util.h"
 #include <linux/kernel.h>
+#include <errno.h>
 
 int prefixcmp(const char *str, const char *prefix)
 {

tools/perf/util/strfilter.c

···
 #include "util.h"
-#include "string.h"
+#include "string2.h"
 #include "strfilter.h"
+
+#include <errno.h>
+#include "sane_ctype.h"
 
 /* Operators */
 static const char *OP_and	= "&";	/* Logical AND */

tools/perf/util/string.c

···
-#include "util.h"
-#include "linux/string.h"
+#include "string2.h"
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <stdlib.h>
+
+#include "sane_ctype.h"
 
 #define K 1024LL
 /*
···
 void argv_free(char **argv)
 {
 	char **p;
-	for (p = argv; *p; p++)
-		zfree(p);
+	for (p = argv; *p; p++) {
+		free(*p);
+		*p = NULL;
+	}
 
 	free(argv);
 }
···
 char **argv_split(const char *str, int *argcp)
 {
 	int argc = count_argc(str);
-	char **argv = zalloc(sizeof(*argv) * (argc+1));
+	char **argv = calloc(argc + 1, sizeof(*argv));
 	char **argvp;
 
 	if (argv == NULL)
···
 				goto out_err_overflow;
 
 			if (i > 0)
-				printed += snprintf(e + printed, size - printed, " %s ", or_and);
+				printed += scnprintf(e + printed, size - printed, " %s ", or_and);
 			printed += scnprintf(e + printed, size - printed,
 					     "%s %s %d", var, eq_neq, ints[i]);
 		}

tools/perf/util/string2.h

···
+#ifndef PERF_STRING_H
+#define PERF_STRING_H
+
+#include <linux/types.h>
+#include <stddef.h>
+#include <string.h>
+
+s64 perf_atoll(const char *str);
+char **argv_split(const char *str, int *argcp);
+void argv_free(char **argv);
+bool strglobmatch(const char *str, const char *pat);
+bool strglobmatch_nocase(const char *str, const char *pat);
+bool strlazymatch(const char *str, const char *pat);
+static inline bool strisglob(const char *str)
+{
+	return strpbrk(str, "*?[") != NULL;
+}
+int strtailcmp(const char *s1, const char *s2);
+char *strxfrchar(char *s, char from, char to);
+
+char *ltrim(char *s);
+char *rtrim(char *s);
+
+static inline char *trim(char *s)
+{
+	return ltrim(rtrim(s));
+}
+
+char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);
+
+static inline char *asprintf_expr_in_ints(const char *var, size_t nints, int *ints)
+{
+	return asprintf_expr_inout_ints(var, true, nints, ints);
+}
+
+static inline char *asprintf_expr_not_in_ints(const char *var, size_t nints, int *ints)
+{
+	return asprintf_expr_inout_ints(var, false, nints, ints);
+}
+
+
+#endif /* PERF_STRING_H */

tools/perf/util/strlist.c

···
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 static
 struct rb_node *strlist__node_new(struct rblist *rblist, const void *entry)

tools/perf/util/symbol-elf.c

···
 #include "demangle-rust.h"
 #include "machine.h"
 #include "vdso.h"
-#include <symbol/kallsyms.h>
 #include "debug.h"
+#include "sane_ctype.h"
+#include <symbol/kallsyms.h>
 
 #ifndef EM_AARCH64
 #define EM_AARCH64	183  /* ARM 64 bit */

tools/perf/util/symbol-minimal.c

···
 #include "symbol.h"
 #include "util.h"
 
+#include <errno.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <string.h>

tools/perf/util/symbol.c

···
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <linux/kernel.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/param.h>
···
 #include "strlist.h"
 #include "intlist.h"
 #include "header.h"
+#include "path.h"
+#include "sane_ctype.h"
 
 #include <elf.h>
 #include <limits.h>

tools/perf/util/symbol.h

···
 #include <libgen.h>
 #include "build-id.h"
 #include "event.h"
-#include "util.h"
+#include "path.h"
 
 #ifdef HAVE_LIBELF_SUPPORT
 #include <libelf.h>

tools/perf/util/term.c

···
-#include "util.h"
+#include "term.h"
+#include <stdlib.h>
+#include <termios.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
 
 void get_term_dimensions(struct winsize *ws)
 {

tools/perf/util/thread-stack.c

···
 
 #include <linux/rbtree.h>
 #include <linux/list.h>
+#include <errno.h>
 #include "thread.h"
 #include "event.h"
 #include "machine.h"

tools/perf/util/thread.c

···
 #include "../perf.h"
+#include <errno.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <linux/kernel.h>
 #include "session.h"
 #include "thread.h"
 #include "thread-stack.h"

tools/perf/util/thread_map.c

···
 #include <dirent.h>
+#include <errno.h>
 #include <limits.h>
 #include <stdbool.h>
 #include <stdlib.h>
···
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include "string2.h"
 #include "strlist.h"
 #include <string.h>
 #include <api/fs/fs.h>

tools/perf/util/time-utils.c

···
 
 	return false;
 }
+
+int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz)
+{
+	u64  sec = timestamp / NSEC_PER_SEC;
+	u64 usec = (timestamp % NSEC_PER_SEC) / NSEC_PER_USEC;
+
+	return scnprintf(buf, sz, "%"PRIu64".%06"PRIu64, sec, usec);
+}
+
+int fetch_current_timestamp(char *buf, size_t sz)
+{
+	struct timeval tv;
+	struct tm tm;
+	char dt[32];
+
+	if (gettimeofday(&tv, NULL) || !localtime_r(&tv.tv_sec, &tm))
+		return -1;
+
+	if (!strftime(dt, sizeof(dt), "%Y%m%d%H%M%S", &tm))
+		return -1;
+
+	scnprintf(buf, sz, "%s%02u", dt, (unsigned)tv.tv_usec / 10000);
+
+	return 0;
+}

tools/perf/util/time-utils.h

···
 #ifndef _TIME_UTILS_H_
 #define _TIME_UTILS_H_
 
+#include <stddef.h>
+#include <linux/types.h>
+
 struct perf_time_interval {
 	u64 start, end;
 };
···
 int perf_time__parse_str(struct perf_time_interval *ptime, const char *ostr);
 
 bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp);
+
+int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz);
+
+int fetch_current_timestamp(char *buf, size_t sz);
 
 #endif

tools/perf/util/top.h

···
 #include <linux/types.h>
 #include <stddef.h>
 #include <stdbool.h>
-#include <termios.h>
+#include <sys/ioctl.h>
 
 struct perf_evlist;
 struct perf_evsel;

tools/perf/util/trace-event-parse.c

···
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <ctype.h>
 #include <errno.h>
 
 #include "../perf.h"
 #include "util.h"
 #include "trace-event.h"
+
+#include "sane_ctype.h"
 
 static int get_common_field(struct scripting_context *context,
 			    int *offset, int *size, const char *type)

tools/perf/util/units.c

···
+#include "units.h"
+#include <inttypes.h>
+#include <linux/kernel.h>
+#include <linux/time64.h>
+
+unsigned long convert_unit(unsigned long value, char *unit)
+{
+	*unit = ' ';
+
+	if (value > 1000) {
+		value /= 1000;
+		*unit = 'K';
+	}
+
+	if (value > 1000) {
+		value /= 1000;
+		*unit = 'M';
+	}
+
+	if (value > 1000) {
+		value /= 1000;
+		*unit = 'G';
+	}
+
+	return value;
+}
+
+int unit_number__scnprintf(char *buf, size_t size, u64 n)
+{
+	char unit[4] = "BKMG";
+	int i = 0;
+
+	while (((n / 1024) > 1) && (i < 3)) {
+		n /= 1024;
+		i++;
+	}
+
+	return scnprintf(buf, size, "%" PRIu64 "%c", n, unit[i]);
+}

tools/perf/util/units.h

···
+#ifndef PERF_UNIT_H
+#define PERF_UNIT_H
+
+#include <stddef.h>
+#include <linux/types.h>
+
+unsigned long convert_unit(unsigned long value, char *unit);
+int unit_number__scnprintf(char *buf, size_t size, u64 n);
+
+#endif /* PERF_UNIT_H */

tools/perf/util/unwind-libdw.c

···
 #include "event.h"
 #include "perf_regs.h"
 #include "callchain.h"
+#include "util.h"
 
 static char *debuginfo_path;
 

tools/perf/util/unwind-libdw.h

···
 #define __PERF_UNWIND_LIBDW_H
 
 #include <elfutils/libdwfl.h>
-#include "event.h"
-#include "thread.h"
 #include "unwind.h"
+
+struct machine;
+struct perf_sample;
+struct thread;
 
 bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg);
 

tools/perf/util/unwind-libunwind-local.c

···
  */
 
 #include <elf.h>
+#include <errno.h>
 #include <gelf.h>
 #include <fcntl.h>
+#include <inttypes.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/mman.h>

tools/perf/util/unwind.h

···
 #ifndef __UNWIND_H
 #define __UNWIND_H
 
+#include <linux/compiler.h>
 #include <linux/types.h>
-#include "event.h"
-#include "symbol.h"
-#include "thread.h"
+
+struct map;
+struct perf_sample;
+struct symbol;
+struct thread;
 
 struct unwind_entry {
 	struct map	*map;

tools/perf/util/util.c

···
 #include "debug.h"
 #include <api/fs/fs.h>
 #include <sys/mman.h>
+#include <sys/stat.h>
 #include <sys/utsname.h>
-#ifdef HAVE_BACKTRACE_SUPPORT
-#include <execinfo.h>
-#endif
+#include <dirent.h>
+#include <inttypes.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
···
 #include <linux/log2.h>
 #include <linux/time64.h>
 #include <unistd.h>
-#include "callchain.h"
 #include "strlist.h"
-
-#define CALLCHAIN_PARAM_DEFAULT			\
-	.mode		= CHAIN_GRAPH_ABS,	\
-	.min_percent	= 0.5,			\
-	.order		= ORDER_CALLEE,		\
-	.key		= CCKEY_FUNCTION,	\
-	.value		= CCVAL_PERCENT,	\
-
-struct callchain_param callchain_param = {
-	CALLCHAIN_PARAM_DEFAULT
-};
-
-struct callchain_param callchain_param_default = {
-	CALLCHAIN_PARAM_DEFAULT
-};
 
 /*
  * XXX We need to find a better place for these things...
···
 	return copyfile_mode(from, to, 0755);
 }
 
-unsigned long convert_unit(unsigned long value, char *unit)
-{
-	*unit = ' ';
-
-	if (value > 1000) {
-		value /= 1000;
-		*unit = 'K';
-	}
-
-	if (value > 1000) {
-		value /= 1000;
-		*unit = 'M';
-	}
-
-	if (value > 1000) {
-		value /= 1000;
-		*unit = 'G';
-	}
-
-	return value;
-}
-
 static ssize_t ion(bool is_read, int fd, void *buf, size_t n)
 {
 	void *buf_start = buf;
···
 	return p - ptr;
 }
 
-/* Obtain a backtrace and print it to stdout. */
-#ifdef HAVE_BACKTRACE_SUPPORT
-void dump_stack(void)
-{
-	void *array[16];
-	size_t size = backtrace(array, ARRAY_SIZE(array));
-	char **strings = backtrace_symbols(array, size);
-	size_t i;
-
-	printf("Obtained %zd stack frames.\n", size);
-
-	for (i = 0; i < size; i++)
-		printf("%s\n", strings[i]);
-
-	free(strings);
-}
-#else
-void dump_stack(void) {}
-#endif
-
-void sighandler_dump_stack(int sig)
-{
-	psignal(sig, "perf");
-	dump_stack();
-	signal(sig, SIG_DFL);
-	raise(sig);
-}
-
-int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz)
-{
-	u64  sec = timestamp / NSEC_PER_SEC;
-	u64 usec = (timestamp % NSEC_PER_SEC) / NSEC_PER_USEC;
-
-	return scnprintf(buf, sz, "%"PRIu64".%06"PRIu64, sec, usec);
-}
-
 unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
 {
 	struct parse_tag *i = tags;
···
 	}
 
 	return (unsigned long) -1;
-}
-
-int get_stack_size(const char *str, unsigned long *_size)
-{
-	char *endptr;
-	unsigned long size;
-	unsigned long max_size = round_down(USHRT_MAX, sizeof(u64));
-
-	size = strtoul(str, &endptr, 0);
-
-	do {
-		if (*endptr)
-			break;
-
-		size = round_up(size, sizeof(u64));
-		if (!size || size > max_size)
-			break;
-
-		*_size = size;
-		return 0;
-
-	} while (0);
-
-	pr_err("callchain: Incorrect stack dump size (max %ld): %s\n",
-	       max_size, str);
-	return -1;
-}
-
-int parse_callchain_record(const char *arg, struct callchain_param *param)
-{
-	char *tok, *name, *saveptr = NULL;
-	char *buf;
-	int ret = -1;
-
-	/* We need buffer that we know we can write to. */
-	buf = malloc(strlen(arg) + 1);
-	if (!buf)
-		return -ENOMEM;
-
-	strcpy(buf, arg);
-
-	tok = strtok_r((char *)buf, ",", &saveptr);
-	name = tok ? : (char *)buf;
-
-	do {
-		/* Framepointer style */
-		if (!strncmp(name, "fp", sizeof("fp"))) {
-			if (!strtok_r(NULL, ",", &saveptr)) {
-				param->record_mode = CALLCHAIN_FP;
-				ret = 0;
-			} else
-				pr_err("callchain: No more arguments "
-				       "needed for --call-graph fp\n");
-			break;
-
-		/* Dwarf style */
-		} else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
-			const unsigned long default_stack_dump_size = 8192;
-
-			ret = 0;
-			param->record_mode = CALLCHAIN_DWARF;
-			param->dump_size = default_stack_dump_size;
-
-			tok = strtok_r(NULL, ",", &saveptr);
-			if (tok) {
-				unsigned long size = 0;
-
-				ret = get_stack_size(tok, &size);
-				param->dump_size = size;
-			}
-		} else if (!strncmp(name, "lbr", sizeof("lbr"))) {
-			if (!strtok_r(NULL, ",", &saveptr)) {
-				param->record_mode = CALLCHAIN_LBR;
-				ret = 0;
-			} else
-				pr_err("callchain: No more arguments "
-					"needed for --call-graph lbr\n");
-			break;
-		} else {
-			pr_err("callchain: Unknown --call-graph option "
-			       "value: %s\n", arg);
-			break;
-		}
-
-	} while (0);
-
-	free(buf);
-	return ret;
-}
-
-const char *get_filename_for_perf_kvm(void)
-{
-	const char *filename;
-
-	if (perf_host && !perf_guest)
-		filename = strdup("perf.data.host");
-	else if (!perf_host && perf_guest)
-		filename = strdup("perf.data.guest");
-	else
-		filename = strdup("perf.data.kvm");
-
-	return filename;
 }
 
 int perf_event_paranoid(void)
···
 	strlist__delete(tips);
 
 	return tip;
-}
-
-bool is_regular_file(const char *file)
-{
-	struct stat st;
-
-	if (stat(file, &st))
-		return false;
-
-	return S_ISREG(st.st_mode);
-}
-
-int fetch_current_timestamp(char *buf, size_t sz)
-{
-	struct timeval tv;
-	struct tm tm;
-	char dt[32];
-
-	if (gettimeofday(&tv, NULL) || !localtime_r(&tv.tv_sec, &tm))
-		return -1;
-
-	if (!strftime(dt, sizeof(dt), "%Y%m%d%H%M%S", &tm))
-		return -1;
-
-	scnprintf(buf, sz, "%s%02u", dt, (unsigned)tv.tv_usec / 10000);
-
-	return 0;
-}
-
-void print_binary(unsigned char *data, size_t len,
-		  size_t bytes_per_line, print_binary_t printer,
-		  void *extra)
-{
-	size_t i, j, mask;
-
-	if (!printer)
-		return;
-
-	bytes_per_line = roundup_pow_of_two(bytes_per_line);
-	mask = bytes_per_line - 1;
-
-	printer(BINARY_PRINT_DATA_BEGIN, 0, extra);
-	for (i = 0; i < len; i++) {
-		if ((i & mask) == 0) {
-			printer(BINARY_PRINT_LINE_BEGIN, -1, extra);
-			printer(BINARY_PRINT_ADDR, i, extra);
-		}
-
-		printer(BINARY_PRINT_NUM_DATA, data[i], extra);
-
-		if (((i & mask) == mask) || i == len - 1) {
-			for (j = 0; j < mask-(i & mask); j++)
-				printer(BINARY_PRINT_NUM_PAD, -1, extra);
-
-			printer(BINARY_PRINT_SEP, i, extra);
-			for (j = i & ~mask; j <= i; j++)
-				printer(BINARY_PRINT_CHAR_DATA, data[j], extra);
-			for (j = 0; j < mask-(i & mask); j++)
-				printer(BINARY_PRINT_CHAR_PAD, i, extra);
-			printer(BINARY_PRINT_LINE_END, -1, extra);
-		}
-	}
-	printer(BINARY_PRINT_DATA_END, -1, extra);
-}
-
-int is_printable_array(char *p, unsigned int len)
-{
-	unsigned int i;
-
-	if (!p || !len || p[len - 1] != 0)
-		return 0;
-
-	len--;
-
-	for (i = 0; i < len; i++) {
-		if (!isprint(p[i]) && !isspace(p[i]))
-			return 0;
-	}
-	return 1;
-}
-
-int unit_number__scnprintf(char *buf, size_t size, u64 n)
-{
-	char unit[4] = "BKMG";
-	int i = 0;
-
-	while (((n / 1024) > 1) && (i < 3)) {
-		n /= 1024;
-		i++;
-	}
-
-	return scnprintf(buf, size, "%" PRIu64 "%c", n, unit[i]);
 }

tools/perf/util/util.h

···
 #ifndef GIT_COMPAT_UTIL_H
 #define GIT_COMPAT_UTIL_H
 
-#ifndef FLEX_ARRAY
-/*
- * See if our compiler is known to support flexible array members.
- */
-#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
-# define FLEX_ARRAY /* empty */
-#elif defined(__GNUC__)
-# if (__GNUC__ >= 3)
-#  define FLEX_ARRAY /* empty */
-# else
-#  define FLEX_ARRAY 0 /* older GNU extension */
-# endif
-#endif
-
-/*
- * Otherwise, default to safer but a bit wasteful traditional style
- */
-#ifndef FLEX_ARRAY
-# define FLEX_ARRAY 1
-#endif
-#endif
-
-#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
-
-#ifdef __GNUC__
-#define TYPEOF(x) (__typeof__(x))
-#else
-#define TYPEOF(x)
-#endif
-
-#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits))))
-#define HAS_MULTI_BITS(i)  ((i) & ((i) - 1))  /* checks if an integer has more than 1 bit set */
-
-/* Approximation of the length of the decimal representation of this type. */
-#define decimal_length(x)	((int)(sizeof(x) * 2.56 + 0.5) + 1)
-
 #define _ALL_SOURCE 1
 #define _BSD_SOURCE 1
 /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
 #define _DEFAULT_SOURCE 1
 #define HAS_BOOL
 
-#include <unistd.h>
-#include <stdio.h>
-#include <sys/stat.h>
-#include <sys/statfs.h>
 #include <fcntl.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdlib.h>
 #include <stdarg.h>
-#include <string.h>
-#include <term.h>
-#include <errno.h>
-#include <limits.h>
-#include <sys/param.h>
-#include <sys/types.h>
-#include <dirent.h>
-#include <sys/time.h>
-#include <time.h>
-#include <signal.h>
-#include <fnmatch.h>
-#include <assert.h>
-#include <regex.h>
-#include <utime.h>
-#include <sys/wait.h>
-#include <poll.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <inttypes.h>
-#include <linux/kernel.h>
 #include <linux/types.h>
-#include <sys/ttydefaults.h>
-#include <api/fs/tracing_path.h>
-#include <termios.h>
-#include <linux/bitops.h>
-#include <termios.h>
-#include "strlist.h"
 
-extern const char *graph_line;
-extern const char *graph_dotted_line;
-extern const char *spaces;
-extern const char *dots;
 extern char buildid_dir[];
-
-/* On most systems <limits.h> would have given us this, but
- * not on some systems (e.g. GNU/Hurd).
- */
-#ifndef PATH_MAX
-#define PATH_MAX 4096
-#endif
-
-#ifndef PRIuMAX
-#define PRIuMAX "llu"
-#endif
-
-#ifndef PRIu32
-#define PRIu32 "u"
-#endif
-
-#ifndef PRIx32
-#define PRIx32 "x"
-#endif
-
-#ifndef PATH_SEP
-#define PATH_SEP ':'
-#endif
-
-#ifndef STRIP_EXTENSION
-#define STRIP_EXTENSION ""
-#endif
-
-#ifndef has_dos_drive_prefix
-#define has_dos_drive_prefix(path) 0
-#endif
-
-#ifndef is_dir_sep
-#define is_dir_sep(c) ((c) == '/')
-#endif
 
 #ifdef __GNUC__
 #define NORETURN __attribute__((__noreturn__))
···
 int prefixcmp(const char *str, const char *prefix);
 void set_buildid_dir(const char *dir);
 
-#ifdef __GLIBC_PREREQ
-#if __GLIBC_PREREQ(2, 1)
-#define HAVE_STRCHRNUL
-#endif
-#endif
-
-#ifndef HAVE_STRCHRNUL
-#define strchrnul gitstrchrnul
-static inline char *gitstrchrnul(const char *s, int c)
-{
-	while (*s && *s != c)
-		s++;
-	return (char *)s;
-}
-#endif
-
 static inline void *zalloc(size_t size)
 {
 	return calloc(1, size);
···
 
 #define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
 
-/* Sane ctype - no locale, and works with signed chars */
-#undef isascii
-#undef isspace
-#undef isdigit
-#undef isxdigit
-#undef isalpha
-#undef isprint
-#undef isalnum
-#undef islower
-#undef isupper
-#undef tolower
-#undef toupper
-
-extern unsigned char sane_ctype[256];
-#define GIT_SPACE		0x01
-#define GIT_DIGIT		0x02
-#define GIT_ALPHA		0x04
-#define GIT_GLOB_SPECIAL	0x08
-#define GIT_REGEX_SPECIAL	0x10
-#define GIT_PRINT_EXTRA		0x20
-#define GIT_PRINT		0x3E
-#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
-#define isascii(x) (((x) & ~0x7f) == 0)
-#define isspace(x) sane_istest(x,GIT_SPACE)
-#define isdigit(x) sane_istest(x,GIT_DIGIT)
-#define isxdigit(x)	\
-	(sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
-#define isalpha(x) sane_istest(x,GIT_ALPHA)
-#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
-#define isprint(x) sane_istest(x,GIT_PRINT)
-#define islower(x) (sane_istest(x,GIT_ALPHA) && (x & 0x20))
-#define isupper(x) (sane_istest(x,GIT_ALPHA) && !(x & 0x20))
-#define tolower(x) sane_case((unsigned char)(x), 0x20)
-#define toupper(x) sane_case((unsigned char)(x), 0)
-
-static inline int sane_case(int x, int high)
-{
-	if (sane_istest(x, GIT_ALPHA))
-		x = (x & ~0x20) | high;
-	return x;
-}
+struct dirent;
+struct strlist;
 
 int mkdir_p(char *path, mode_t mode);
 int rm_rf(const char *path);
···
 int copyfile_mode(const char *from, const char *to, mode_t mode);
 int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);
 
-s64 perf_atoll(const char *str);
-char **argv_split(const char *str, int *argcp);
-void argv_free(char **argv);
-bool strglobmatch(const char *str, const char *pat);
-bool strglobmatch_nocase(const char *str, const char *pat);
-bool strlazymatch(const char *str, const char *pat);
-static inline bool strisglob(const char *str)
-{
-	return strpbrk(str, "*?[") != NULL;
-}
-int strtailcmp(const char *s1, const char *s2);
-char *strxfrchar(char *s, char from, char to);
-unsigned long convert_unit(unsigned long value, char *unit);
 ssize_t readn(int fd, void *buf, size_t n);
 ssize_t writen(int fd, void *buf, size_t n);
 
···
 
 void event_attr_init(struct perf_event_attr *attr);
 
-#define _STR(x) #x
-#define STR(x) _STR(x)
-
 size_t hex_width(u64 v);
 int hex2u64(const char *ptr, u64 *val);
-
-char *ltrim(char *s);
-char *rtrim(char *s);
-
-static inline char *trim(char *s)
-{
-	return ltrim(rtrim(s));
-}
-
-void dump_stack(void);
-void sighandler_dump_stack(int sig);
 
 extern unsigned int page_size;
 extern int cacheline_size;
···
 
 unsigned long parse_tag_value(const char *str, struct parse_tag *tags);
 
-#define SRCLINE_UNKNOWN  ((char *) "??:0")
-
-static inline int path__join(char *bf, size_t size,
-			     const char *path1, const char *path2)
-{
-	return scnprintf(bf, size, "%s%s%s", path1, path1[0] ? "/" : "", path2);
-}
-
-static inline int path__join3(char *bf, size_t size,
-			      const char *path1, const char *path2,
-			      const char *path3)
-{
-	return scnprintf(bf, size, "%s%s%s%s%s",
-			 path1, path1[0] ? "/" : "",
-			 path2, path2[0] ? "/" : "", path3);
-}
-
-struct dso;
-struct symbol;
-
-extern bool srcline_full_filename;
-char *get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
-		  bool show_sym, bool show_addr);
-char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
-		  bool show_sym, bool show_addr, bool unwind_inlines);
-void free_srcline(char *srcline);
-
 int perf_event_paranoid(void);
 
 void mem_bswap_64(void *src, int byte_size);
 void mem_bswap_32(void *src, int byte_size);
 
-const char *get_filename_for_perf_kvm(void);
 bool find_process(const char *name);
-
-#ifdef HAVE_ZLIB_SUPPORT
-int gzip_decompress_to_file(const char *input, int output_fd);
-#endif
-
-#ifdef HAVE_LZMA_SUPPORT
-int lzma_decompress_to_file(const char *input, int output_fd);
-#endif
-
-char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);
-
-static inline char *asprintf_expr_in_ints(const char *var, size_t nints, int *ints)
-{
-	return asprintf_expr_inout_ints(var, true, nints, ints);
-}
-
-static inline char *asprintf_expr_not_in_ints(const char *var, size_t nints, int *ints)
-{
-	return asprintf_expr_inout_ints(var, false, nints, ints);
-}
-
-int get_stack_size(const char *str, unsigned long *_size);
 
 int fetch_kernel_version(unsigned int *puint,
 			 char *str, size_t str_sz);
···
 #define KVER_PARAM(x)	KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
 
 const char *perf_tip(const char *dirpath);
-bool is_regular_file(const char *file);
-int fetch_current_timestamp(char *buf, size_t sz);
-
-enum binary_printer_ops {
-	BINARY_PRINT_DATA_BEGIN,
-	BINARY_PRINT_LINE_BEGIN,
-	BINARY_PRINT_ADDR,
-	BINARY_PRINT_NUM_DATA,
-	BINARY_PRINT_NUM_PAD,
-	BINARY_PRINT_SEP,
-	BINARY_PRINT_CHAR_DATA,
-	BINARY_PRINT_CHAR_PAD,
-	BINARY_PRINT_LINE_END,
-	BINARY_PRINT_DATA_END,
-};
-
-typedef void (*print_binary_t)(enum binary_printer_ops,
-			       unsigned int val,
-			       void *extra);
-
-void print_binary(unsigned char *data, size_t len,
-		  size_t bytes_per_line, print_binary_t printer,
-		  void *extra);
 
 #ifndef HAVE_SCHED_GETCPU_SUPPORT
 int sched_getcpu(void);
 #endif
-
-int is_printable_array(char *p, unsigned int len);
-
-int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz);
-
-int unit_number__scnprintf(char *buf, size_t size, u64 n);
-
-struct inline_list {
-	char			*filename;
-	char			*funcname;
-	unsigned int		line_nr;
-	struct list_head	list;
-};
-
-struct inline_node {
-	u64			addr;
-	struct list_head	val;
-};
-
-struct inline_node *dso__parse_addr_inlines(struct dso *dso, u64 addr);
-void inline_node__delete(struct inline_node *node);
 
 #endif /* GIT_COMPAT_UTIL_H */

tools/perf/util/vdso.c

···
-
+#include <errno.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <string.h>

tools/perf/util/xyarray.c

···
 #include "xyarray.h"
 #include "util.h"
+#include <stdlib.h>
+#include <string.h>
 
 struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
 {

tools/perf/util/zlib.c

···
 #include <sys/mman.h>
 #include <zlib.h>
 
+#include "util/compress.h"
 #include "util/util.h"
 #include "util/debug.h"