Commit d0efeea7 authored Jan 16, 2019 by Rama Aparna Mallavarapu

perf: llcc: Preserve events across CPU hotplugs



By default, the perf core detaches the event from the PMU when it's
associated CPU hotplugs out. Set flag "events_across_hotplug" to
preserve the events created for LLCC PMU to be preserved across
hotplugs.

Change-Id: Ia4bd4962370dd18fcd4b221905186faadc618ce0
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>
Signed-off-by: Rama Aparna Mallavarapu <aparnam@codeaurora.org>

parent 5c7966cf

drivers/perf/qcom_llcc_pmu.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -149,6 +149,7 @@ static int qcom_llcc_pmu_probe(struct platform_device *pdev)
		.start = qcom_llcc_event_start,
		.stop = qcom_llcc_event_stop,
		.read = qcom_llcc_event_read,
		.events_across_hotplug = 1,
		};

		res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lagg-base");