From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A1272566D2 for ; Fri, 19 Sep 2025 00:45:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758242724; cv=none; b=C3AhUwHCx0K63S8mJnlvEsDPjbX6ColEw1ZUYeRfbRb+c0IB9i2NgACbs2+HVpJAuqJ+XvkMuJd3DgWIrUqZAHqmg8j471j+Sx58vI0GAfU4SPfUyEWKAd5/ruhcp85SgBFNkiVripM+JHqOrj8NquLmw7UbmmL2lErmhhpNX+M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758242724; c=relaxed/simple; bh=y/seMVy+n2WKrkuRdFkuPjRdrwjTyV6rxc7KmBNyaEc=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=Cm0FI9MteZSxA3Q94Fz/hUzWFLkMGdDGxsJO9zp9HpZDoG+HXQhGwHauqtAs2sWqOmpL8w2/Tn8OBHaMv0f2eEW7itx/KH6yQxJxXIieCWQSDvuMcqStkzHsYZGoExdTFIekklsdO4zHJaNqIP76x5hZHKa/TQnWPwPtLgg1l5E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=HqA7K8aD; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="HqA7K8aD" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-324e41e946eso2425863a91.0 for ; Thu, 18 Sep 2025 17:45:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1758242721; x=1758847521; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=8XWRINSrfIHcCfIWgI9zyBD2U4gnpJ5y2a7/S7VF5Jc=; b=HqA7K8aDCuCDuIc5Hqn0PvTcF63u7dl7zHYy9PGcekkdgle6B1JeZTPR3E3JG0tzgm Il8UHSdZPCmVJzF97B/OH79wp1a9Fk6b8vIdE5i7mDcyHQOlyEpyFpk1oDjRr4Lg0844 uwzISz0Ij4Cults8VpbcVwtlHaDKyFjcapekKX+HvasQmW/n6mTeU35/jDgfJa770cwS y+VRleKW3njkK/sWILD+i0oKhZRfzrXcOxNphZRIXKYlLyBZpwBmysl2t+DUAl3Dcjb+ QMxhOW7rq0fW7gbg3eEtPAx4+yGQbdqf+V339SCiARZlqNRsn1f6bvjjmPVMS2J+gbyH N/bQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758242721; x=1758847521; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=8XWRINSrfIHcCfIWgI9zyBD2U4gnpJ5y2a7/S7VF5Jc=; b=CuF/jsnSUi2AWGJbWdgzrYU46RD0K1/0CSJNxoaclhZeXb20Ovpst+v4YsjmJERyus qQY9VcZtzkbgLqTnTnN+lYGKDNedW2GJXOMlAhTR+QQWQh7cqxNABUiv16PM2fDU9nOu b4UzLzt9C7NvNlG3MdBvRbhBHHyxixcNc0s5igFzTfYZdjpbnHcqyL2YLSjsZGMyRH1m HAQ8sxscBQTN2nUMENOG7pZvkd4Kp+xwsmoa6I+iwucW/4anwzcgJhUqhXaoG3WgQRKP nMwfcltptyukkD33nxonX0bH3ommJybbP90ASebghDYQ0P/taOGa+lT3WCFPnTCfYvHS vsZA== X-Gm-Message-State: AOJu0YwI0QjSs9vVKJWD2RMm5GkL22z7TnWOla/TDNyLLYpaAn5ZOWOq WNpD8PgehluDUDbO7MSGpUzgR96hepuj+ZgFRqDLdkvhXm5dTIFhY25tqtGfmX9u+AQ6bGCbWkW jKXO8qQ== X-Google-Smtp-Source: AGHT+IFlqFSE78I8H6DoSdEJHGBpeUjI/fKspB93yw3fdiNtIsVir90ZwUjXmIvbS26m1ju3QrxoTab4tXE= X-Received: from pjbpq15.prod.google.com ([2002:a17:90b:3d8f:b0:32e:d03b:ade9]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:164d:b0:32e:e150:8937 with SMTP id 98e67ed59e1d1-33097fd4137mr1950022a91.6.1758242721467; Thu, 18 Sep 2025 17:45:21 -0700 (PDT) Reply-To: Sean Christopherson Date: Thu, 18 Sep 2025 17:45:11 -0700 In-Reply-To: <20250919004512.1359828-1-seanjc@google.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250919004512.1359828-1-seanjc@google.com> X-Mailer: git-send-email 2.51.0.470.ga7dc726c21-goog Message-ID: <20250919004512.1359828-5-seanjc@google.com> Subject: [PATCH v3 4/5] KVM: selftests: Validate more arch-events in pmu_counters_test From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Dapeng Mi , Yi Lai , dongsheng Content-Type: text/plain; charset="UTF-8" From: Dapeng Mi Add support for 5 new architectural events (4 topdown level 1 metrics events and LBR inserts event) that will first show up in Intel's Clearwater Forest CPUs. Detailed info about the new events can be found in SDM section 21.2.7 "Pre-defined Architectural Performance Events". Signed-off-by: Dapeng Mi Tested-by: Yi Lai [sean: drop "unavailable_mask" changes] Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/include/x86/pmu.h | 10 ++++++++++ tools/testing/selftests/kvm/include/x86/processor.h | 7 ++++++- tools/testing/selftests/kvm/lib/x86/pmu.c | 5 +++++ tools/testing/selftests/kvm/x86/pmu_counters_test.c | 8 ++++++++ 4 files changed, 29 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/include/x86/pmu.h b/tools/testing/selftests/kvm/include/x86/pmu.h index 3c10c4dc0ae8..2aabda2da002 100644 --- a/tools/testing/selftests/kvm/include/x86/pmu.h +++ b/tools/testing/selftests/kvm/include/x86/pmu.h @@ -61,6 +61,11 @@ #define INTEL_ARCH_BRANCHES_RETIRED RAW_EVENT(0xc4, 0x00) #define INTEL_ARCH_BRANCHES_MISPREDICTED RAW_EVENT(0xc5, 0x00) #define INTEL_ARCH_TOPDOWN_SLOTS RAW_EVENT(0xa4, 0x01) +#define INTEL_ARCH_TOPDOWN_BE_BOUND RAW_EVENT(0xa4, 0x02) +#define INTEL_ARCH_TOPDOWN_BAD_SPEC RAW_EVENT(0x73, 0x00) +#define INTEL_ARCH_TOPDOWN_FE_BOUND RAW_EVENT(0x9c, 0x01) +#define INTEL_ARCH_TOPDOWN_RETIRING RAW_EVENT(0xc2, 0x02) +#define INTEL_ARCH_LBR_INSERTS RAW_EVENT(0xe4, 0x01) #define AMD_ZEN_CORE_CYCLES RAW_EVENT(0x76, 0x00) #define AMD_ZEN_INSTRUCTIONS_RETIRED RAW_EVENT(0xc0, 0x00) @@ -80,6 +85,11 @@ enum intel_pmu_architectural_events { INTEL_ARCH_BRANCHES_RETIRED_INDEX, INTEL_ARCH_BRANCHES_MISPREDICTED_INDEX, INTEL_ARCH_TOPDOWN_SLOTS_INDEX, + INTEL_ARCH_TOPDOWN_BE_BOUND_INDEX, + INTEL_ARCH_TOPDOWN_BAD_SPEC_INDEX, + INTEL_ARCH_TOPDOWN_FE_BOUND_INDEX, + INTEL_ARCH_TOPDOWN_RETIRING_INDEX, + INTEL_ARCH_LBR_INSERTS_INDEX, NR_INTEL_ARCH_EVENTS, }; diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h index efcc4b1de523..e8bad89fbb7f 100644 --- a/tools/testing/selftests/kvm/include/x86/processor.h +++ b/tools/testing/selftests/kvm/include/x86/processor.h @@ -265,7 +265,7 @@ struct kvm_x86_cpu_property { #define X86_PROPERTY_PMU_NR_GP_COUNTERS KVM_X86_CPU_PROPERTY(0xa, 0, EAX, 8, 15) #define X86_PROPERTY_PMU_GP_COUNTERS_BIT_WIDTH KVM_X86_CPU_PROPERTY(0xa, 0, EAX, 16, 23) #define X86_PROPERTY_PMU_EBX_BIT_VECTOR_LENGTH KVM_X86_CPU_PROPERTY(0xa, 0, EAX, 24, 31) -#define X86_PROPERTY_PMU_EVENTS_MASK KVM_X86_CPU_PROPERTY(0xa, 0, EBX, 0, 7) +#define X86_PROPERTY_PMU_EVENTS_MASK KVM_X86_CPU_PROPERTY(0xa, 0, EBX, 0, 12) #define X86_PROPERTY_PMU_FIXED_COUNTERS_BITMASK KVM_X86_CPU_PROPERTY(0xa, 0, ECX, 0, 31) #define X86_PROPERTY_PMU_NR_FIXED_COUNTERS KVM_X86_CPU_PROPERTY(0xa, 0, EDX, 0, 4) #define X86_PROPERTY_PMU_FIXED_COUNTERS_BIT_WIDTH KVM_X86_CPU_PROPERTY(0xa, 0, EDX, 5, 12) @@ -332,6 +332,11 @@ struct kvm_x86_pmu_feature { #define X86_PMU_FEATURE_BRANCH_INSNS_RETIRED KVM_X86_PMU_FEATURE(EBX, 5) #define X86_PMU_FEATURE_BRANCHES_MISPREDICTED KVM_X86_PMU_FEATURE(EBX, 6) #define X86_PMU_FEATURE_TOPDOWN_SLOTS KVM_X86_PMU_FEATURE(EBX, 7) +#define X86_PMU_FEATURE_TOPDOWN_BE_BOUND KVM_X86_PMU_FEATURE(EBX, 8) +#define X86_PMU_FEATURE_TOPDOWN_BAD_SPEC KVM_X86_PMU_FEATURE(EBX, 9) +#define X86_PMU_FEATURE_TOPDOWN_FE_BOUND KVM_X86_PMU_FEATURE(EBX, 10) +#define X86_PMU_FEATURE_TOPDOWN_RETIRING KVM_X86_PMU_FEATURE(EBX, 11) +#define X86_PMU_FEATURE_LBR_INSERTS KVM_X86_PMU_FEATURE(EBX, 12) #define X86_PMU_FEATURE_INSNS_RETIRED_FIXED KVM_X86_PMU_FEATURE(ECX, 0) #define X86_PMU_FEATURE_CPU_CYCLES_FIXED KVM_X86_PMU_FEATURE(ECX, 1) diff --git a/tools/testing/selftests/kvm/lib/x86/pmu.c b/tools/testing/selftests/kvm/lib/x86/pmu.c index f31f0427c17c..5ab44bf54773 100644 --- a/tools/testing/selftests/kvm/lib/x86/pmu.c +++ b/tools/testing/selftests/kvm/lib/x86/pmu.c @@ -19,6 +19,11 @@ const uint64_t intel_pmu_arch_events[] = { INTEL_ARCH_BRANCHES_RETIRED, INTEL_ARCH_BRANCHES_MISPREDICTED, INTEL_ARCH_TOPDOWN_SLOTS, + INTEL_ARCH_TOPDOWN_BE_BOUND, + INTEL_ARCH_TOPDOWN_BAD_SPEC, + INTEL_ARCH_TOPDOWN_FE_BOUND, + INTEL_ARCH_TOPDOWN_RETIRING, + INTEL_ARCH_LBR_INSERTS, }; kvm_static_assert(ARRAY_SIZE(intel_pmu_arch_events) == NR_INTEL_ARCH_EVENTS); diff --git a/tools/testing/selftests/kvm/x86/pmu_counters_test.c b/tools/testing/selftests/kvm/x86/pmu_counters_test.c index e805882bc306..baa7b8a2d459 100644 --- a/tools/testing/selftests/kvm/x86/pmu_counters_test.c +++ b/tools/testing/selftests/kvm/x86/pmu_counters_test.c @@ -75,6 +75,11 @@ static struct kvm_intel_pmu_event intel_event_to_feature(uint8_t idx) [INTEL_ARCH_BRANCHES_RETIRED_INDEX] = { X86_PMU_FEATURE_BRANCH_INSNS_RETIRED, X86_PMU_FEATURE_NULL }, [INTEL_ARCH_BRANCHES_MISPREDICTED_INDEX] = { X86_PMU_FEATURE_BRANCHES_MISPREDICTED, X86_PMU_FEATURE_NULL }, [INTEL_ARCH_TOPDOWN_SLOTS_INDEX] = { X86_PMU_FEATURE_TOPDOWN_SLOTS, X86_PMU_FEATURE_TOPDOWN_SLOTS_FIXED }, + [INTEL_ARCH_TOPDOWN_BE_BOUND_INDEX] = { X86_PMU_FEATURE_TOPDOWN_BE_BOUND, X86_PMU_FEATURE_NULL }, + [INTEL_ARCH_TOPDOWN_BAD_SPEC_INDEX] = { X86_PMU_FEATURE_TOPDOWN_BAD_SPEC, X86_PMU_FEATURE_NULL }, + [INTEL_ARCH_TOPDOWN_FE_BOUND_INDEX] = { X86_PMU_FEATURE_TOPDOWN_FE_BOUND, X86_PMU_FEATURE_NULL }, + [INTEL_ARCH_TOPDOWN_RETIRING_INDEX] = { X86_PMU_FEATURE_TOPDOWN_RETIRING, X86_PMU_FEATURE_NULL }, + [INTEL_ARCH_LBR_INSERTS_INDEX] = { X86_PMU_FEATURE_LBR_INSERTS, X86_PMU_FEATURE_NULL }, }; kvm_static_assert(ARRAY_SIZE(__intel_event_to_feature) == NR_INTEL_ARCH_EVENTS); @@ -171,9 +176,12 @@ static void guest_assert_event_count(uint8_t idx, uint32_t pmc, uint32_t pmc_msr fallthrough; case INTEL_ARCH_CPU_CYCLES_INDEX: case INTEL_ARCH_REFERENCE_CYCLES_INDEX: + case INTEL_ARCH_TOPDOWN_BE_BOUND_INDEX: + case INTEL_ARCH_TOPDOWN_FE_BOUND_INDEX: GUEST_ASSERT_NE(count, 0); break; case INTEL_ARCH_TOPDOWN_SLOTS_INDEX: + case INTEL_ARCH_TOPDOWN_RETIRING_INDEX: __GUEST_ASSERT(count >= NUM_INSNS_RETIRED, "Expected top-down slots >= %u, got count = %lu", NUM_INSNS_RETIRED, count); -- 2.51.0.470.ga7dc726c21-goog