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SubjectRe: [PATCH v1 3/8] KVM: x86: Allocate performance counter for PEBS event
On Sun, Oct 27, 2019 at 07:11:12PM -0400, Luwei Kang wrote:
@@ -99,7 +99,7 @@ static void kvm_perf_overflow_intr(struct perf_event *perf_event,
> static void pmc_reprogram_counter(struct kvm_pmc *pmc, u32 type,
> unsigned config, bool exclude_user,
> bool exclude_kernel, bool intr,
> - bool in_tx, bool in_tx_cp)
> + bool in_tx, bool in_tx_cp, bool pebs)
> {
> struct perf_event *event;
> struct perf_event_attr attr = {
> @@ -111,9 +111,12 @@ static void pmc_reprogram_counter(struct kvm_pmc *pmc, u32 type,
> .exclude_user = exclude_user,
> .exclude_kernel = exclude_kernel,
> .config = config,
> + .precise_ip = pebs ? 1 : 0,
> + .aux_output = pebs ? 1 : 0,

srsly?

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