From ff3d79dc12c2ed38483f6c1e0f26fde430f27c9d Mon Sep 17 00:00:00 2001 From: Anshuman Khandual Date: Mon, 10 Jun 2013 11:23:29 +0530 Subject: [PATCH] powerpc/perf: BHRB filter configuration should follow the task When the task moves around the system, the corresponding cpuhw per cpu strcuture should be popullated with the BHRB filter request value so that PMU could be configured appropriately with that during the next call into power_pmu_enable(). Signed-off-by: Anshuman Khandual Acked-by: Michael Neuling Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/perf/core-book3s.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index a3985aee77fe..24a45f91c65f 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -1252,8 +1252,11 @@ nocheck: ret = 0; out: - if (has_branch_stack(event)) + if (has_branch_stack(event)) { power_pmu_bhrb_enable(event); + cpuhw->bhrb_filter = ppmu->bhrb_filter_map( + event->attr.branch_sample_type); + } perf_pmu_enable(event->pmu); local_irq_restore(flags); -- 2.34.1