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Groups > linux.kernel > #1395462
| From | Andi Kleen <andi@firstfloor.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 10/10] perf, tools, stat: Add extra output of counter values with -vv |
| Date | 2016-05-06 01:10 +0200 |
| Message-ID | <rvAz7-1bh-9@gated-at.bofh.it> (permalink) |
| References | <rvAz7-1bh-5@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.
v2: Make it depend on -vv, not -v
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 707eef9314da..7c5c50b61b28 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -313,6 +313,14 @@ static int read_counter(struct perf_evsel *counter)
return -1;
}
}
+
+ if (verbose > 1) {
+ 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> - 2016-05-06 01:10 +0200
[PATCH 05/10] x86, perf: Use new topology_max_smt_threads() in HT leak workaround Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
[PATCH 10/10] perf, tools, stat: Add extra output of counter values with -vv Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
Re: [PATCH 10/10] perf, tools, stat: Add extra output of counter values with -vv Jiri Olsa <jolsa@redhat.com> - 2016-05-12 10:10 +0200
[PATCH 07/10] perf, tools, stat: Scale values by unit before metrics Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
Re: [PATCH 07/10] perf, tools, stat: Scale values by unit before metrics Jiri Olsa <jolsa@redhat.com> - 2016-05-07 21:20 +0200
[tip:perf/core] perf stat: Scale values by unit before metrics tip-bot for Andi Kleen <tipbot@zytor.com> - 2016-05-10 22:40 +0200
[PATCH 09/10] perf, tools, stat: Add computation of TopDown formulas Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
[PATCH 04/10] x86, perf: Add Top Down events to Intel Atom Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
[PATCH 06/10] perf, tools, stat: Avoid fractional digits for integer scales Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
Re: [PATCH 06/10] perf, tools, stat: Avoid fractional digits for integer scales Jiri Olsa <jolsa@redhat.com> - 2016-05-07 21:20 +0200
Re: [PATCH 06/10] perf, tools, stat: Avoid fractional digits for integer scales Andi Kleen <andi@firstfloor.org> - 2016-05-07 21:30 +0200
Re: [PATCH 06/10] perf, tools, stat: Avoid fractional digits for integer scales Jiri Olsa <jolsa@redhat.com> - 2016-05-11 15:10 +0200
Re: [PATCH 06/10] perf, tools, stat: Avoid fractional digits for integer scales Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-11 18:50 +0200
[PATCH 02/10] x86, perf: Support sysfs files depending on SMT status Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
Re: [PATCH 02/10] x86, perf: Support sysfs files depending on SMT status Peter Zijlstra <peterz@infradead.org> - 2016-05-09 11:50 +0200
Re: [PATCH 02/10] x86, perf: Support sysfs files depending on SMT status Andi Kleen <ak@linux.intel.com> - 2016-05-09 16:30 +0200
Re: [PATCH 02/10] x86, perf: Support sysfs files depending on SMT status Peter Zijlstra <peterz@infradead.org> - 2016-05-09 16:40 +0200
Re: [PATCH 02/10] x86, perf: Support sysfs files depending on SMT status Ingo Molnar <mingo@kernel.org> - 2016-05-12 10:10 +0200
[PATCH 03/10] x86, perf: Add Top Down events to Intel Core Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
Re: [PATCH 03/10] x86, perf: Add Top Down events to Intel Core Peter Zijlstra <peterz@infradead.org> - 2016-05-11 15:30 +0200
Re: [PATCH 03/10] x86, perf: Add Top Down events to Intel Core Jiri Olsa <jolsa@redhat.com> - 2016-05-11 15:30 +0200
Re: [PATCH 03/10] x86, perf: Add Top Down events to Intel Core Ingo Molnar <mingo@kernel.org> - 2016-05-12 10:20 +0200
[PATCH 08/10] perf, tools, stat: Basic support for TopDown in perf stat Andi Kleen <andi@firstfloor.org> - 2016-05-06 01:10 +0200
Re: Add top down metrics to perf stat Jiri Olsa <jolsa@redhat.com> - 2016-05-12 09:50 +0200
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