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>

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 6c7dcc1fde5a4427b58eb7e36fade7f79798aa84..7ff3c8fb736cd3706144fea653140b98550dc8bc 100644 (file)
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -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;
        }