[igt-dev] [PATCH igt] igt/perf_pmu: Skip hotplugging cpu0
Chris Wilson
chris at chris-wilson.co.uk
Tue Feb 13 16:05:04 UTC 2018
It is a known issue that some "commodity" machines fail when asked to
hotplug CPU0, so don't.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
--
Tvrtko, is it just this simple? Or do we need to avoid the physical
package?
-Chris
---
tests/perf_pmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/perf_pmu.c b/tests/perf_pmu.c
index a7501ca5..e9ce2881 100644
--- a/tests/perf_pmu.c
+++ b/tests/perf_pmu.c
@@ -982,7 +982,7 @@ static void cpu_hotplug(int gem_fd)
* this has not affected busyness stats in the parent.
*/
igt_fork(child, 1) {
- int cpu = 0;
+ int cpu = 1;
close(link[0]);
--
2.16.1
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