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perf tools: Report number of pmu type of unknown events 

If detection fails and an event name is unknown, report the type number.
Example perf header output:

 # Samples: 10K of event 'unknown attr type: 7'

Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1345144224-27280-3-git-send-email-robert.richter@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Robert Richter 2012-08-16 21:10:18 +02:00 committed by Arnaldo Carvalho de Melo
parent f4d834367c
commit ca1b145761
1 changed files with 2 additions and 1 deletions
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3
tools/perf/util/evsel.c
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@ -319,7 +319,8 @@ const char *perf_evsel__name(struct perf_evsel *evsel)
break;
default:
scnprintf(bf, sizeof(bf), "%s", "unknown attr type");
scnprintf(bf, sizeof(bf), "unknown attr type: %d",
evsel->attr.type);
break;
}