From: David Ahern Date: Tue, 8 May 2012 16:49:49 +0000 (-0600) Subject: perf top: Update event name when falling back to cpu-clock X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=40491eaa;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git 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 Link: http://lkml.kernel.org/r/1336495789-58420-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- 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; }