Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/* For debugging general purposes */
3#ifndef __PERF_DEBUG_H
4#define __PERF_DEBUG_H
5
6#include <stdarg.h>
7#include <stdbool.h>
8#include <linux/compiler.h>
9
10extern int verbose;
11extern int debug_peo_args;
12extern bool quiet, dump_trace;
13extern int debug_ordered_events;
14extern int debug_data_convert;
15
16#ifndef pr_fmt
17#define pr_fmt(fmt) fmt
18#endif
19
20#define pr_err(fmt, ...) \
21 eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
22#define pr_warning(fmt, ...) \
23 eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
24#define pr_info(fmt, ...) \
25 eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
26#define pr_debug(fmt, ...) \
27 eprintf(1, verbose, pr_fmt(fmt), ##__VA_ARGS__)
28#define pr_debugN(n, fmt, ...) \
29 eprintf(n, verbose, pr_fmt(fmt), ##__VA_ARGS__)
30#define pr_debug2(fmt, ...) pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__)
31#define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__)
32#define pr_debug4(fmt, ...) pr_debugN(4, pr_fmt(fmt), ##__VA_ARGS__)
33
34/* Special macro to print perf_event_open arguments/return value. */
35#define pr_debug2_peo(fmt, ...) { \
36 if (debug_peo_args) \
37 pr_debugN(0, pr_fmt(fmt), ##__VA_ARGS__); \
38 else \
39 pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__); \
40}
41
42#define pr_time_N(n, var, t, fmt, ...) \
43 eprintf_time(n, var, t, fmt, ##__VA_ARGS__)
44
45#define pr_oe_time(t, fmt, ...) pr_time_N(1, debug_ordered_events, t, pr_fmt(fmt), ##__VA_ARGS__)
46#define pr_oe_time2(t, fmt, ...) pr_time_N(2, debug_ordered_events, t, pr_fmt(fmt), ##__VA_ARGS__)
47
48#define STRERR_BUFSIZE 128 /* For the buffer size of str_error_r */
49
50union perf_event;
51
52int dump_printf(const char *fmt, ...) __printf(1, 2);
53void trace_event(union perf_event *event);
54
55int ui__error(const char *format, ...) __printf(1, 2);
56int ui__warning(const char *format, ...) __printf(1, 2);
57
58void pr_stat(const char *fmt, ...);
59
60int eprintf(int level, int var, const char *fmt, ...) __printf(3, 4);
61int eprintf_time(int level, int var, u64 t, const char *fmt, ...) __printf(4, 5);
62int veprintf(int level, int var, const char *fmt, va_list args);
63
64int perf_debug_option(const char *str);
65void perf_debug_setup(void);
66int perf_quiet_option(void);
67
68void dump_stack(void);
69void sighandler_dump_stack(int sig);
70
71#endif /* __PERF_DEBUG_H */