diff options
| author |   Adrian Hunter <adrian.hunter@intel.com> | 2017-05-26 11:17:30 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-06-30 11:44:35 -0300 |
| commit | 85a564d26dfb45bbf0c0095e0fcee3bdc4a49a85 (patch) | |
| tree | d76f673e734ec5180763483bf26a5a83cad48113 /tools/perf | |
| parent | perf intel-pt: Join needlessly wrapped lines (diff) | |
| download | wireguard-linux-85a564d26dfb45bbf0c0095e0fcee3bdc4a49a85.tar.xz wireguard-linux-85a564d26dfb45bbf0c0095e0fcee3bdc4a49a85.zip | |
perf intel-pt: Tidy Intel PT evsel lookup into separate function
Tidy the lookup of the Intel PT selected event (perf_evsel) into a separate
function.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-30-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/intel-pt.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index b670502b0264..a9486b57584f 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1922,24 +1922,29 @@ static int intel_pt_synth_event(struct perf_session *session, &id, intel_pt_event_synth); } +static struct perf_evsel *intel_pt_evsel(struct intel_pt *pt, + struct perf_evlist *evlist) +{ + struct perf_evsel *evsel; + + evlist__for_each_entry(evlist, evsel) { + if (evsel->attr.type == pt->pmu_type && evsel->ids) + return evsel; + } + + return NULL; +} + static int intel_pt_synth_events(struct intel_pt *pt, struct perf_session *session) { struct perf_evlist *evlist = session->evlist; - struct perf_evsel *evsel; + struct perf_evsel *evsel = intel_pt_evsel(pt, evlist); struct perf_event_attr attr; - bool found = false; u64 id; int err; - evlist__for_each_entry(evlist, evsel) { - if (evsel->attr.type == pt->pmu_type && evsel->ids) { - found = true; - break; - } - } - - if (!found) { + if (!evsel) { pr_debug("There are no selected events with Intel Processor Trace data\n"); return 0; } |