From: Andi Kleen <a...@linux.intel.com>
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 <a...@linux.intel.com>
---
tools/perf/builtin-stat.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 6c44aae..595292f 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -238,6 +238,13 @@ static int read_counter(struct perf_evsel *counter)
count = perf_counts(counter->counts, cpu, thread);
if (perf_evsel__read(counter, cpu, thread, count))
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
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