[PATCH 4/6] perf tools: Save message when pr_*() was called

[Namhyung Kim <namhyung@kernel.org>]

From: Namhyung Kim <namhyung.kim@lge.com>

The message will be saved in a temp file so that it can be shown at a
UI dialog at any time.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/debug.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index 299b55586502..f55b499c93fb 100644
--- a/tools/perf/util/debug.c
+++ b/tools/perf/util/debug.c
@@ -19,12 +19,18 @@ bool dump_trace = false, quiet = false;
 static int _eprintf(int level, const char *fmt, va_list args)
 {
 	int ret = 0;
+	va_list ap;
 
 	if (verbose >= level) {
+		va_copy(ap, args);
+
 		if (use_browser >= 1)
 			ui_helpline__vshow(fmt, args);
 		else
 			ret = vfprintf(stderr, fmt, args);
+
+		perf_log_addv(fmt, ap);
+		va_end(ap);
 	}
 
 	return ret;
-- 
1.7.11.7