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
11extern int verbose;
12extern int debug_kmaps;
13extern int debug_peo_args;
14extern bool quiet, dump_trace;
15extern int debug_ordered_events;
16extern 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
59union perf_event;
60
61int dump_printf(const char *fmt, ...) __printf(1, 2);
62void trace_event(union perf_event *event);
63
64int ui__error(const char *format, ...) __printf(1, 2);
65int 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
74void pr_stat(const char *fmt, ...);
75
76int eprintf(int level, int var, const char *fmt, ...) __printf(3, 4);
77int eprintf_time(int level, int var, u64 t, const char *fmt, ...) __printf(4, 5);
78int veprintf(int level, int var, const char *fmt, va_list args);
79
80int perf_debug_option(const char *str);
81FILE *debug_file(void);
82void debug_set_file(FILE *file);
83void debug_set_display_time(bool set);
84void perf_debug_setup(void);
85int perf_quiet_option(void);
86
87void dump_stack(void);
88void sighandler_dump_stack(int sig);
89
90#endif	/* __PERF_DEBUG_H */
91