[PATCH 08/12] perf, tools, stat: Add extra output of counter values with -v

From: Andi Kleen
Date: Tue Jan 19 2016 - 21:30:04 EST


From: Andi Kleen <ak@xxxxxxxxxxxxxxx>

Add debug output of raw counter values per CPU when
perf stat -v is specified, together with their cpu numbers.
This is very useful to debug problems with per core counters,
where we can normally only see aggregated values.

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
---
tools/perf/builtin-stat.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index fe627f3..64b5d70 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -310,6 +310,14 @@ static int read_counter(struct perf_evsel *counter)
return -1;
}
}
+
+ if (verbose) {
+ fprintf(stat_config.output,
+ "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
+ perf_evsel__name(counter),
+ cpu,
+ count->val, count->ena, count->run);
+ }
}
}

--
2.4.3