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perf tools: Overload pr_stat traceevent print function

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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: David Ahern <dsahern@gmail.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: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1386076182-14484-12-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2013-12-03 14:09:25 +01:00 committed by Arnaldo Carvalho de Melo
parent 97978b3e30
commit f772abc634
2 changed files with 29 additions and 3 deletions
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30
tools/perf/util/debug.c
View File

@ -16,13 +16,11 @@
int verbose;
bool dump_trace = false, quiet = false;
int eprintf(int level, const char *fmt, ...)
static int _eprintf(int level, const char *fmt, va_list args)
{
va_list args;
int ret = 0;
if (verbose >= level) {
va_start(args, fmt);
if (use_browser >= 1)
ui_helpline__vshow(fmt, args);
else
@ -33,6 +31,32 @@ int eprintf(int level, const char *fmt, ...)
return ret;
}
int eprintf(int level, const char *fmt, ...)
{
va_list args;
int ret;
va_start(args, fmt);
ret = _eprintf(level, fmt, args);
va_end(args);
return ret;
}
/*
* Overloading libtraceevent standard info print
* function, display with -v in perf.
*/
void pr_stat(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
_eprintf(1, fmt, args);
va_end(args);
eprintf(1, "\n");
}
int dump_printf(const char *fmt, ...)
{
va_list args;

2
tools/perf/util/debug.h
View File

@ -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 */