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-Tag: v3.5-rc1~120^3~40^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=40491eaa46a693e8c6ef94102350a747c63e584d;p=profile%2Fcommon%2Fkernel-common.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 c53cdab..4eb6171 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; }