Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 22/22] perf tools: Overload pr_stat traceevent print function | Date | Thu, 21 Nov 2013 12:01:20 +0100 |
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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 <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: David Ahern <dsahern@gmail.com> --- 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 */ -- 1.8.3.1
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