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8abceacff8
Allow to set debug output file via new debug_set_file function. It's called during perf startup in perf_debug_setup to set stderr file as default and any perf command can set it later to different file. It will be used in perf daemon command to get verbose output into log file. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Budankov <abudankov@huawei.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20201212104358.412065-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* For debugging general purposes */
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#ifndef __PERF_DEBUG_H
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#define __PERF_DEBUG_H
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <linux/compiler.h>
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extern int verbose;
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extern int debug_peo_args;
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extern bool quiet, dump_trace;
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extern int debug_ordered_events;
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extern int debug_data_convert;
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#ifndef pr_fmt
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#define pr_fmt(fmt) fmt
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#endif
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#define pr_err(fmt, ...) \
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eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_warning(fmt, ...) \
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eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_info(fmt, ...) \
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eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_debug(fmt, ...) \
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eprintf(1, verbose, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_debugN(n, fmt, ...) \
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eprintf(n, verbose, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_debug2(fmt, ...) pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_debug4(fmt, ...) pr_debugN(4, pr_fmt(fmt), ##__VA_ARGS__)
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/* Special macro to print perf_event_open arguments/return value. */
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#define pr_debug2_peo(fmt, ...) { \
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if (debug_peo_args) \
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pr_debugN(0, pr_fmt(fmt), ##__VA_ARGS__); \
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else \
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pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__); \
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}
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#define pr_time_N(n, var, t, fmt, ...) \
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eprintf_time(n, var, t, fmt, ##__VA_ARGS__)
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#define pr_oe_time(t, fmt, ...) pr_time_N(1, debug_ordered_events, t, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_oe_time2(t, fmt, ...) pr_time_N(2, debug_ordered_events, t, pr_fmt(fmt), ##__VA_ARGS__)
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#define STRERR_BUFSIZE 128 /* For the buffer size of str_error_r */
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union perf_event;
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int dump_printf(const char *fmt, ...) __printf(1, 2);
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void trace_event(union perf_event *event);
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int ui__error(const char *format, ...) __printf(1, 2);
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int ui__warning(const char *format, ...) __printf(1, 2);
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void pr_stat(const char *fmt, ...);
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int eprintf(int level, int var, const char *fmt, ...) __printf(3, 4);
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int eprintf_time(int level, int var, u64 t, const char *fmt, ...) __printf(4, 5);
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int veprintf(int level, int var, const char *fmt, va_list args);
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int perf_debug_option(const char *str);
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void debug_set_file(FILE *file);
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void perf_debug_setup(void);
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int perf_quiet_option(void);
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void dump_stack(void);
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void sighandler_dump_stack(int sig);
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#endif /* __PERF_DEBUG_H */
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