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