perf intel-pt: Factor out intel_pt_set_event_name()

Factor out intel_pt_set_event_name() so it can be reused.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-32-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 16 insertions, 8 deletions

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 81907f60e7da..a20712e1ed28 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -1931,6 +1931,21 @@ static int intel_pt_synth_event(struct perf_session *session, const char *name,
         return err;
 }
 
+static void intel_pt_set_event_name(struct perf_evlist *evlist, u64 id,
+                                    const char *name)
+{
+        struct perf_evsel *evsel;
+
+        evlist__for_each_entry(evlist, evsel) {
+                if (evsel->id && evsel->id[0] == id) {
+                        if (evsel->name)
+                                zfree(&evsel->name);
+                        evsel->name = strdup(name);
+                        break;
+                }
+        }
+}
+
 static struct perf_evsel *intel_pt_evsel(struct intel_pt *pt,
                                          struct perf_evlist *evlist)
 {
@@ -2015,15 +2030,8 @@ static int intel_pt_synth_events(struct intel_pt *pt,
                 pt->sample_transactions = true;
                 pt->transactions_sample_type = attr.sample_type;
                 pt->transactions_id = id;
+                intel_pt_set_event_name(evlist, id, "transactions");
                 id += 1;
-                evlist__for_each_entry(evlist, evsel) {
-                        if (evsel->id && evsel->id[0] == pt->transactions_id) {
-                                if (evsel->name)
-                                        zfree(&evsel->name);
-                                evsel->name = strdup("transactions");
-                                break;
-                        }
-                }
         }
 
         if (pt->synth_opts.branches) {