diff options
| author |   David Ahern <dsahern@gmail.com> | 2012-05-08 10:49:49 -0600 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-05-09 12:01:57 -0300 |
| commit | 40491eaa46a693e8c6ef94102350a747c63e584d (patch) | |
| tree | 07397113da8a7bc78c28ba90b66d3acbefda8612 /tools/perf | |
| parent | perf stat: handle ENXIO error for perf_event_open (diff) | |
| download | linux-dev-40491eaa46a693e8c6ef94102350a747c63e584d.tar.xz linux-dev-40491eaa46a693e8c6ef94102350a747c63e584d.zip | |
perf top: Update event name when falling back to cpu-clock
The 'perf top' command falls back to cpu-clock if the H/W cycles event
is not supported, but the event name is not updated leading to a
misleading header:
PerfTop: 8 irqs/sec kernel:75.0% exact: 0.0% [1000Hz cycles], ...
Update the event name when the event type is changed so that the
header displays correctly:
PerfTop: 794 irqs/sec kernel:100.0% exact: 0.0% [1000Hz cpu-clock], ...
Signed-off-by: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1336495789-58420-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-top.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index c53cdab61433..4eb6171e143b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -948,6 +948,10 @@ try_again: attr->type = PERF_TYPE_SOFTWARE; attr->config = PERF_COUNT_SW_CPU_CLOCK; + if (counter->name) { + free(counter->name); + counter->name = strdup(event_name(counter)); + } goto try_again; } |