From: Peter Zijlstra <peterz@infradead.org>
To: Luwei Kang <luwei.kang@intel.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
pbonzini@redhat.com, rkrcmar@redhat.com,
sean.j.christopherson@intel.com, vkuznets@redhat.com,
wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org,
tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
hpa@zytor.com, x86@kernel.org, ak@linux.intel.com,
thomas.lendacky@amd.com, acme@kernel.org, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@redhat.com,
namhyung@kernel.org
Subject: Re: [PATCH v1 3/8] KVM: x86: Allocate performance counter for PEBS event
Date: Tue, 29 Oct 2019 15:46:12 +0100 [thread overview]
Message-ID: <20191029144612.GK4097@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <1572217877-26484-4-git-send-email-luwei.kang@intel.com>
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?
next prev parent reply other threads:[~2019-10-29 14:46 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-27 23:11 [PATCH v1 0/8] PEBS enabling in KVM guest Luwei Kang
2019-10-27 23:11 ` [PATCH v1 1/8] KVM: x86: Add base address parameter for get_fixed_pmc function Luwei Kang
2019-10-27 23:11 ` [PATCH v1 2/8] KVM: x86: PEBS output to Intel PT MSRs emulation Luwei Kang
2019-10-29 15:02 ` Peter Zijlstra
2019-10-30 4:06 ` Kang, Luwei
2019-10-27 23:11 ` [PATCH v1 3/8] KVM: x86: Allocate performance counter for PEBS event Luwei Kang
2019-10-29 14:46 ` Peter Zijlstra [this message]
2019-10-30 4:06 ` Kang, Luwei
2019-10-30 6:42 ` Alexander Shishkin
2019-10-30 6:49 ` Kang, Luwei
2019-10-30 9:51 ` Peter Zijlstra
2019-10-30 9:50 ` Peter Zijlstra
2019-10-30 9:49 ` Peter Zijlstra
2019-10-30 13:41 ` Alexander Shishkin
2019-10-31 11:10 ` Kang, Luwei
2019-11-06 7:44 ` Kang, Luwei
2019-10-27 23:11 ` [PATCH v1 4/8] KVM: x86: Aviod clear the PEBS counter when PEBS enabled in guest Luwei Kang
2019-10-29 14:55 ` Peter Zijlstra
2019-10-30 4:06 ` Kang, Luwei
2019-10-27 23:11 ` [PATCH v1 5/8] KVM: X86: Expose PDCM cpuid to guest Luwei Kang
2019-10-27 23:11 ` [PATCH v1 6/8] KVM: X86: MSR_IA32_PERF_CAPABILITIES MSR emulation Luwei Kang
2019-10-27 23:11 ` [PATCH v1 7/8] KVM: x86: Expose PEBS feature to guest Luwei Kang
2019-10-29 15:05 ` Peter Zijlstra
2019-10-30 4:07 ` Kang, Luwei
2019-10-30 9:52 ` Peter Zijlstra
2019-10-31 4:21 ` Kang, Luwei
2019-10-27 23:11 ` [PATCH v1 8/8] perf/x86: Add event owner check when PEBS output to Intel PT Luwei Kang
2019-10-29 15:13 ` Peter Zijlstra
2019-10-30 4:07 ` Kang, Luwei
2019-10-30 9:54 ` Peter Zijlstra
2019-10-31 6:55 ` Kang, Luwei
2019-10-31 7:39 ` Alexander Shishkin
2019-10-31 10:31 ` Kang, Luwei
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