On 9/6/13 1:40 PM, Adrian Hunter wrote:
Ensure the id_pos is correct when perf_evlist__open()
is used.
The commit log should reference 7556257 and breakage of 'kvm stat live';
helps identify patches when backporting.
Other than that this patch fixes the problem.
Tested-by and Acked-by David Ahern <dsah...@gmail.com>
Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
tools/perf/util/evlist.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index b8727ae..005c0eb 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -64,6 +64,16 @@ void perf_evlist__set_id_pos(struct perf_evlist *evlist)
evlist->is_pos = first->is_pos;
}
+static void perf_evlist__update_id_pos(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ list_for_each_entry(evsel, &evlist->entries, node)
+ perf_evsel__calc_id_pos(evsel);
+
+ perf_evlist__set_id_pos(evlist);
+}
+
static void perf_evlist__purge(struct perf_evlist *evlist)
{
struct perf_evsel *pos, *n;
@@ -915,6 +925,8 @@ int perf_evlist__open(struct perf_evlist *evlist)
struct perf_evsel *evsel;
int err;
+ perf_evlist__update_id_pos(evlist);
+
list_for_each_entry(evsel, &evlist->entries, node) {
err = perf_evsel__open(evsel, evlist->cpus, evlist->threads);
if (err < 0)
--
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