perf evsel: The tracepoint constructor should store sys:name

Not event_format->name, that doesn't contains the sys: part.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-v9x3q9rv4caxtox7wtjpchq5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 6022daaa741..6f2a8c30413 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -122,6 +122,9 @@ struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx)
                                           PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
                 };
 
+                if (asprintf(&evsel->name, "%s:%s", sys, name) < 0)
+                        goto out_free;
+
                 evsel->tp_format = event_format__new(sys, name);
                 if (evsel->tp_format == NULL)
                         goto out_free;
@@ -130,12 +133,12 @@ struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx)
                 attr.config = evsel->tp_format->id;
                 attr.sample_period = 1;
                 perf_evsel__init(evsel, &attr, idx);
-                evsel->name = evsel->tp_format->name;
         }
 
         return evsel;
 
 out_free:
+        free(evsel->name);
         free(evsel);
         return NULL;
 }
@@ -584,10 +587,8 @@ void perf_evsel__delete(struct perf_evsel *evsel)
         perf_evsel__exit(evsel);
         close_cgroup(evsel->cgrp);
         free(evsel->group_name);
-        if (evsel->tp_format && evsel->name == evsel->tp_format->name) {
-                evsel->name = NULL;
+        if (evsel->tp_format)
                 pevent_free_format(evsel->tp_format);
-        }
         free(evsel->name);
         free(evsel);
 }