This is useful to tell apart trace output of separate test runs.
It can also be used for basic, coarse-grained performance analysis. Note
that the accuracy is tainted by writing to the trace file, and you have to
calculate the deltas yourself (which is next to impossible if multiple
threads or processes are involved).
Signed-off-by: Karsten Blees <blees@xxxxxxx>
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
trace.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/trace.c b/trace.c
index 9fa406e..9fa6cc7 100644
--- a/trace.c
+++ b/trace.c
@@ -81,6 +81,10 @@ static int trace_bare = -1;
static int prepare_trace_line(const char *key, struct strbuf *buf)
{
+ struct timeval tv;
+ struct tm tm;
+ time_t secs;
+
if (!trace_want(key))
return 0;
@@ -92,7 +96,12 @@ static int prepare_trace_line(const char *key, struct strbuf *buf)
if (trace_bare)
return 1;
- /* add line prefix here */
+ /* print current timestamp */
+ gettimeofday(&tv, NULL);
+ secs = tv.tv_sec;
+ localtime_r(&secs, &tm);
+ strbuf_addf(buf, "%02d:%02d:%02d.%06ld ", tm.tm_hour, tm.tm_min,
+ tm.tm_sec, tv.tv_usec);
return 1;
}
--
2.0.0.402.g13b8b25
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