From: Oliver Upton <oliver.upton@linux.dev>
To: kvmarm@lists.linux.dev
Cc: Marc Zyngier <maz@kernel.org>, Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Mingwei Zhang <mizhang@google.com>,
Colton Lewis <coltonlewis@google.com>,
Raghavendra Rao Ananta <rananta@google.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Oliver Upton <oliver.upton@linux.dev>
Subject: [RFC PATCH 03/14] drivers/perf: apple_m1: Map generic branch events
Date: Tue, 3 Dec 2024 11:32:09 -0800 [thread overview]
Message-ID: <20241203193220.1070811-4-oliver.upton@linux.dev> (raw)
In-Reply-To: <20241203193220.1070811-1-oliver.upton@linux.dev>
Map the generic perf events for branch prediction stats to the
corresponding hardware events.
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
drivers/perf/apple_m1_cpu_pmu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c
index 2a34523500f8..d6d4ff6da862 100644
--- a/drivers/perf/apple_m1_cpu_pmu.c
+++ b/drivers/perf/apple_m1_cpu_pmu.c
@@ -170,6 +170,8 @@ static const unsigned m1_pmu_perf_map[PERF_COUNT_HW_MAX] = {
PERF_MAP_ALL_UNSUPPORTED,
[PERF_COUNT_HW_CPU_CYCLES] = M1_PMU_PERFCTR_CORE_ACTIVE_CYCLE,
[PERF_COUNT_HW_INSTRUCTIONS] = M1_PMU_PERFCTR_INST_ALL,
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = M1_PMU_PERFCTR_INST_BRANCH,
+ [PERF_COUNT_HW_BRANCH_MISSES] = M1_PMU_PERFCTR_BRANCH_MISPRED_NONSPEC,
};
/* sysfs definitions */
--
2.39.5
next prev parent reply other threads:[~2024-12-03 19:37 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-03 19:32 [RFC PATCH 00/14] KVM: arm64: Support FEAT_PMUv3 on Apple hardware Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 01/14] drivers/perf: apple_m1: Refactor event select/filter configuration Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 02/14] drivers/perf: apple_m1: Support host/guest event filtering Oliver Upton
2024-12-03 19:32 ` Oliver Upton [this message]
2024-12-03 19:32 ` [RFC PATCH 04/14] KVM: arm64: Compute PMCEID from arm_pmu's event bitmaps Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 05/14] KVM: arm64: Always allow fixed cycle counter Oliver Upton
2024-12-03 21:32 ` Marc Zyngier
2024-12-03 22:32 ` Oliver Upton
2024-12-04 9:04 ` Marc Zyngier
2024-12-04 21:56 ` Oliver Upton
2024-12-10 9:49 ` Marc Zyngier
2024-12-03 19:32 ` [RFC PATCH 06/14] KVM: arm64: Use PERF_COUNT_HW_CPU_CYCLES for " Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 07/14] KVM: arm64: Use a cpucap to determine if system supports FEAT_PMUv3 Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 08/14] KVM: arm64: Drop kvm_arm_pmu_available static key Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 09/14] KVM: arm64: Use guard() to cleanup usage of arm_pmus_lock Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 10/14] KVM: arm64: Move PMUVer filtering into KVM code Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 11/14] KVM: arm64: Compute synthetic sysreg ESR for Apple PMUv3 traps Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 12/14] KVM: arm64: Advertise PMUv3 if IMPDEF traps are present Oliver Upton
2024-12-03 19:32 ` [RFC PATCH 13/14] KVM: arm64: Advertise 0 event counters for IMPDEF PMU Oliver Upton
2024-12-03 19:34 ` [RFC PATCH 14/14] arm64: Enable IMP DEF PMUv3 traps on Apple M2 Oliver Upton
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