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-rw-r--r--tools/perf/util/header.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 99c61cdffa54..e13f4bab7c49 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -4378,7 +4378,8 @@ int perf_event__process_attr(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct evlist **pevlist)
{
- u32 i, ids, n_ids;
+ u32 i, n_ids;
+ u64 *ids;
struct evsel *evsel;
struct evlist *evlist = *pevlist;
@@ -4394,9 +4395,8 @@ int perf_event__process_attr(struct perf_tool *tool __maybe_unused,
evlist__add(evlist, evsel);
- ids = event->header.size;
- ids -= (void *)&event->attr.id - (void *)event;
- n_ids = ids / sizeof(u64);
+ n_ids = event->header.size - sizeof(event->header) - event->attr.attr.size;
+ n_ids = n_ids / sizeof(u64);
/*
* We don't have the cpu and thread maps on the header, so
* for allocating the perf_sample_id table we fake 1 cpu and
@@ -4405,8 +4405,9 @@ int perf_event__process_attr(struct perf_tool *tool __maybe_unused,
if (perf_evsel__alloc_id(&evsel->core, 1, n_ids))
return -ENOMEM;
+ ids = (void *)&event->attr.attr + event->attr.attr.size;
for (i = 0; i < n_ids; i++) {
- perf_evlist__id_add(&evlist->core, &evsel->core, 0, i, event->attr.id[i]);
+ perf_evlist__id_add(&evlist->core, &evsel->core, 0, i, ids[i]);
}
return 0;