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