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 <stdio.h>
9 #include <linux/compiler.h>
10
11 extern int verbose;
12 extern int debug_kmaps;
13 extern int debug_peo_args;
14 extern bool quiet, dump_trace;
15 extern int debug_ordered_events;
16 extern int debug_data_convert;
17 extern int debug_type_profile;
18
19 #ifndef pr_fmt
20 #define pr_fmt(fmt) fmt
21 #endif
22
23 #define pr_err(fmt, ...) \
24 eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
25 #define pr_warning(fmt, ...) \
26 eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
27 #define pr_warning_once(fmt, ...) ({ \
28 static int __warned; \
29 if (unlikely(!__warned)) { \
30 pr_warning(fmt, ##__VA_ARGS__); \
31 __warned = 1; \
32 } \
33 })
34 #define pr_info(fmt, ...) \
35 eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
36 #define pr_debug(fmt, ...) \
37 eprintf(1, verbose, pr_fmt(fmt), ##__VA_ARGS__)
38 #define pr_debugN(n, fmt, ...) \
39 eprintf(n, verbose, pr_fmt(fmt), ##__VA_ARGS__)
40 #define pr_debug2(fmt, ...) pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__)
41 #define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__)
42 #define pr_debug4(fmt, ...) pr_debugN(4, pr_fmt(fmt), ##__VA_ARGS__)
43
44 /* Special macro to print perf_event_open arguments/return value. */
45 #define pr_debug2_peo(fmt, ...) { \
46 if (debug_peo_args) \
47 pr_debugN(0, pr_fmt(fmt), ##__VA_ARGS__); \
48 else \
49 pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__); \
50 }
51
52 #define pr_time_N(n, var, t, fmt, ...) \
53 eprintf_time(n, var, t, fmt, ##__VA_ARGS__)
54
55 #define pr_oe_time(t, fmt, ...) pr_time_N(1, debug_ordered_events, t, pr_fmt(fmt), ##__VA_ARGS__)
56 #define pr_oe_time2(t, fmt, ...) pr_time_N(2, debug_ordered_events, t, pr_fmt(fmt), ##__VA_ARGS__)
57
58 #define STRERR_BUFSIZE 128 /* For the buffer size of str_error_r */
59
60 union perf_event;
61
62 int dump_printf(const char *fmt, ...) __printf(1, 2);
63 void trace_event(union perf_event *event);
64
65 int ui__error(const char *format, ...) __printf(1, 2);
66 int ui__warning(const char *format, ...) __printf(1, 2);
67 #define ui__warning_once(format, ...) ({ \
68 static int __warned; \
69 if (unlikely(!__warned)) { \
70 ui__warning(format, ##__VA_ARGS__); \
71 __warned = 1; \
72 } \
73 })
74
75 void pr_stat(const char *fmt, ...);
76
77 int eprintf(int level, int var, const char *fmt, ...) __printf(3, 4);
78 int eprintf_time(int level, int var, u64 t, const char *fmt, ...) __printf(4, 5);
79 int veprintf(int level, int var, const char *fmt, va_list args);
80
81 int perf_debug_option(const char *str);
82 FILE *debug_file(void);
83 void debug_set_file(FILE *file);
84 void debug_set_display_time(bool set);
85 void perf_debug_setup(void);
86 int perf_quiet_option(void);
87
88 void dump_stack(void);
89 void sighandler_dump_stack(int sig);
90
91 #endif /* __PERF_DEBUG_H */
92
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.