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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-01-18 21:41:45 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-01-24 13:18:05 -0200
commitef1d1af28ca37fdbc2745da040529cd2953c1af5 (patch)
treedff4a86fbc813ca808ce0607e3e041cdcdca5cec /tools/perf/util/evsel.c
parentd0dd74e853a0a6f37e8061d6d50be41c7034c54c (diff)
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perf evsel: Introduce perf_evsel__{in,ex}it
Out of the {con,des}structor, as in interpreted language bindings we will need to go back from the wrapper object to the real thing. In that case using container_of will save us to have an extra pointer in the perf_evsel struct. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r--tools/perf/util/evsel.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index a85ae12845e..76ab553637d 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -14,15 +14,20 @@
#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
#define SID(e, x, y) xyarray__entry(e->id, x, y)
+void perf_evsel__init(struct perf_evsel *evsel,
+ struct perf_event_attr *attr, int idx)
+{
+ evsel->idx = idx;
+ evsel->attr = *attr;
+ INIT_LIST_HEAD(&evsel->node);
+}
+
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx)
{
struct perf_evsel *evsel = zalloc(sizeof(*evsel));
- if (evsel != NULL) {
- evsel->idx = idx;
- evsel->attr = *attr;
- INIT_LIST_HEAD(&evsel->node);
- }
+ if (evsel != NULL)
+ perf_evsel__init(evsel, attr, idx);
return evsel;
}
@@ -87,11 +92,16 @@ int perf_evlist__alloc_mmap(struct perf_evlist *evlist, int ncpus)
return evlist->mmap != NULL ? 0 : -ENOMEM;
}
-void perf_evsel__delete(struct perf_evsel *evsel)
+void perf_evsel__exit(struct perf_evsel *evsel)
{
assert(list_empty(&evsel->node));
xyarray__delete(evsel->fd);
xyarray__delete(evsel->id);
+}
+
+void perf_evsel__delete(struct perf_evsel *evsel)
+{
+ perf_evsel__exit(evsel);
free(evsel);
}