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Groups > linux.kernel > #1363111
| From | Andi Kleen <andi@firstfloor.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 11/11] perf, tools, stat: Add extra output of counter values with -v |
| Date | 2016-03-23 00:20 +0100 |
| Message-ID | <rfDKH-34K-19@gated-at.bofh.it> (permalink) |
| References | <rfDB0-310-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Andi Kleen <ak@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 <ak@linux.intel.com>
---
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 6d8ce72..0ee224b 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -314,6 +314,14 @@ 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);
+ }
}
}
--
2.5.5
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Add top down metrics to perf stat Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:10 +0100
[PATCH 04/11] x86, perf: Use new ht_on flag in HT leak workaround Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:10 +0100
[PATCH 06/11] perf, tools, stat: Force --per-core mode for .aggr-per-core aliases Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:10 +0100
[PATCH 10/11] perf, tools, stat: Add computation of TopDown formulas Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
[PATCH 01/11] x86, perf: Support sysfs files depending on SMT status Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
[PATCH 09/11] perf, tools, stat: Basic support for TopDown in perf stat Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
[PATCH 11/11] perf, tools, stat: Add extra output of counter values with -v Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
[PATCH 05/11] perf, tools: Parse an .aggr-per-core event attribute Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
[PATCH 03/11] x86, perf: Add Top Down events to Intel Atom Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
[PATCH 08/11] perf, tools, stat: Scale values by unit before metrics Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
[PATCH 02/11] x86, perf: Add Top Down events to Intel Core Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
[PATCH 07/11] perf, tools, stat: Avoid fractional digits for integer scales Andi Kleen <andi@firstfloor.org> - 2016-03-23 00:20 +0100
Re: Add top down metrics to perf stat Jiri Olsa <jolsa@redhat.com> - 2016-03-27 13:30 +0200
Re: Add top down metrics to perf stat Andi Kleen <andi@firstfloor.org> - 2016-03-27 17:30 +0200
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