The traceevent lib uses pr_stat to display all standard info. It's defined as __weak. Overloading it with perf version plugged into perf output system logic.
Displaying the pr_stat stuff under '-v' option. Signed-off-by: Jiri Olsa <[email protected]> Cc: Corey Ashford <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: David Ahern <[email protected]> --- tools/perf/util/debug.c | 16 ++++++++++++++++ tools/perf/util/debug.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index 399e74c..dc93bc3 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -33,6 +33,22 @@ int eprintf(int level, const char *fmt, ...) return ret; } +/* + * Overloading libtraceevent standard info print + * function, display with -v in perf. + */ +void pr_stat(const char *fmt, ...) +{ + va_list args; + + if (verbose >= 1) { + va_start(args, fmt); + vfprintf(stderr, fmt, args); + fprintf(stderr, "\n"); + va_end(args); + } +} + int dump_printf(const char *fmt, ...) { va_list args; diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index efbd988..443694c 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -17,4 +17,6 @@ void trace_event(union perf_event *event); int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2))); int ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2))); +void pr_stat(const char *fmt, ...); + #endif /* __PERF_DEBUG_H */ -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
