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authorThomas Zimmermann <tzimmermann@suse.de>2023-06-19 16:33:14 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2023-06-19 16:33:14 +0200
commitde8a334f215c5a5c5bb070df4325af824d7eaaf1 (patch)
treeb1106ab401a46ce66725f61a7d1b067e9a08f859 /tools/perf/util/stat-shadow.c
parentdrm: Remove struct drm_driver.gem_prime_mmap (diff)
parentMerge tag 'drm-msm-next-2023-06-18' of https://gitlab.freedesktop.org/drm/msm... (diff)
downloadlinux-de8a334f215c5a5c5bb070df4325af824d7eaaf1.tar.xz
linux-de8a334f215c5a5c5bb070df4325af824d7eaaf1.zip
Merge drm/drm-next into drm-misc-next
Backmerging into drm-misc-next to get commit 2c1c7ba457d4 ("drm/amdgpu: support partition drm devices"), which is required to fix commit 0adec22702d4 ("drm: Remove struct drm_driver.gem_prime_mmap"). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'tools/perf/util/stat-shadow.c')
-rw-r--r--tools/perf/util/stat-shadow.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index eeccab6751d7..1566a206ba42 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -403,12 +403,25 @@ static int prepare_metric(struct evsel **metric_events,
if (!aggr)
break;
- /*
- * If an event was scaled during stat gathering, reverse
- * the scale before computing the metric.
- */
- val = aggr->counts.val * (1.0 / metric_events[i]->scale);
- source_count = evsel__source_count(metric_events[i]);
+ if (!metric_events[i]->supported) {
+ /*
+ * Not supported events will have a count of 0,
+ * which can be confusing in a
+ * metric. Explicitly set the value to NAN. Not
+ * counted events (enable time of 0) are read as
+ * 0.
+ */
+ val = NAN;
+ source_count = 0;
+ } else {
+ /*
+ * If an event was scaled during stat gathering,
+ * reverse the scale before computing the
+ * metric.
+ */
+ val = aggr->counts.val * (1.0 / metric_events[i]->scale);
+ source_count = evsel__source_count(metric_events[i]);
+ }
}
n = strdup(evsel__metric_id(metric_events[i]));
if (!n)