tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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kernel / include / linux / ftrace_irq.h
at v4.12-rc7 36 lines 784 B view raw
1#ifndef _LINUX_FTRACE_IRQ_H 2#define _LINUX_FTRACE_IRQ_H 3 4 5#ifdef CONFIG_FTRACE_NMI_ENTER 6extern void arch_ftrace_nmi_enter(void); 7extern void arch_ftrace_nmi_exit(void); 8#else 9static inline void arch_ftrace_nmi_enter(void) { } 10static inline void arch_ftrace_nmi_exit(void) { } 11#endif 12 13#ifdef CONFIG_HWLAT_TRACER 14extern bool trace_hwlat_callback_enabled; 15extern void trace_hwlat_callback(bool enter); 16#endif 17 18static inline void ftrace_nmi_enter(void) 19{ 20#ifdef CONFIG_HWLAT_TRACER 21 if (trace_hwlat_callback_enabled) 22 trace_hwlat_callback(true); 23#endif 24 arch_ftrace_nmi_enter(); 25} 26 27static inline void ftrace_nmi_exit(void) 28{ 29 arch_ftrace_nmi_exit(); 30#ifdef CONFIG_HWLAT_TRACER 31 if (trace_hwlat_callback_enabled) 32 trace_hwlat_callback(false); 33#endif 34} 35 36#endif /* _LINUX_FTRACE_IRQ_H */