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Diffstat (limited to 'arch/x86/events/intel/core.c')
-rw-r--r--arch/x86/events/intel/core.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index daafb893449b..730978dff63f 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3587,6 +3587,11 @@ static void intel_pmu_sched_task(struct perf_event_context *ctx,
3587 intel_pmu_lbr_sched_task(ctx, sched_in); 3587 intel_pmu_lbr_sched_task(ctx, sched_in);
3588} 3588}
3589 3589
3590static int intel_pmu_check_period(struct perf_event *event, u64 value)
3591{
3592 return intel_pmu_has_bts_period(event, value) ? -EINVAL : 0;
3593}
3594
3590PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63"); 3595PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63");
3591 3596
3592PMU_FORMAT_ATTR(ldlat, "config1:0-15"); 3597PMU_FORMAT_ATTR(ldlat, "config1:0-15");
@@ -3667,6 +3672,8 @@ static __initconst const struct x86_pmu core_pmu = {
3667 .cpu_starting = intel_pmu_cpu_starting, 3672 .cpu_starting = intel_pmu_cpu_starting,
3668 .cpu_dying = intel_pmu_cpu_dying, 3673 .cpu_dying = intel_pmu_cpu_dying,
3669 .cpu_dead = intel_pmu_cpu_dead, 3674 .cpu_dead = intel_pmu_cpu_dead,
3675
3676 .check_period = intel_pmu_check_period,
3670}; 3677};
3671 3678
3672static struct attribute *intel_pmu_attrs[]; 3679static struct attribute *intel_pmu_attrs[];
@@ -3711,6 +3718,8 @@ static __initconst const struct x86_pmu intel_pmu = {
3711 3718
3712 .guest_get_msrs = intel_guest_get_msrs, 3719 .guest_get_msrs = intel_guest_get_msrs,
3713 .sched_task = intel_pmu_sched_task, 3720 .sched_task = intel_pmu_sched_task,
3721
3722 .check_period = intel_pmu_check_period,
3714}; 3723};
3715 3724
3716static __init void intel_clovertown_quirk(void) 3725static __init void intel_clovertown_quirk(void)