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