From: Sean Christopherson <seanjc@google.com>
To: Jinrong Liang <ljr.kernel@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Jim Mattson <jmattson@google.com>, Shuah Khan <shuah@kernel.org>,
Aaron Lewis <aaronlewis@google.com>,
David Matlack <dmatlack@google.com>,
Vishal Annapurve <vannapurve@google.com>,
Wanpeng Li <wanpengli@tencent.com>,
Like Xu <like.xu.linux@gmail.com>,
Jinrong Liang <cloudliang@tencent.com>,
linux-kselftest@vger.kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/4] KVM: selftests: Check if event filter meets expectations on fixed counters
Date: Wed, 28 Jun 2023 14:29:00 -0700 [thread overview]
Message-ID: <ZJymHAKx9XNAFYPk@google.com> (raw)
In-Reply-To: <20230607123700.40229-4-cloudliang@tencent.com>
On Wed, Jun 07, 2023, Jinrong Liang wrote:
> + /*
> + * Check the fixed performance counter can count normally works when
> + * KVM userspace doesn't set any pmu filter.
> + */
> + TEST_ASSERT(run_vcpu_to_sync(vcpu),
> + "Fixed counter does not exist or does not work as expected.");
No punctuation, and print the unexpected return value so that debug isn't too
painful.
> +
> + for (i = 0; i < BIT(nr_fixed_counters); i++) {
> + bitmap = BIT(i);
> + count = test_with_fixed_counter_filter(vcpu, KVM_PMU_EVENT_ALLOW,
> + bitmap);
> + TEST_ASSERT(!!count == !!(bitmap & BIT(idx)),
> + "Fixed event filter does not work as expected.");
No punctuation please.
> +
> + count = test_with_fixed_counter_filter(vcpu, KVM_PMU_EVENT_DENY,
> + bitmap);
> + TEST_ASSERT(!!count == !(bitmap & BIT(idx)),
> + "Fixed event filter does not work as expected.");
> + }
> +}
next prev parent reply other threads:[~2023-06-28 21:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-07 12:36 [PATCH v3 0/4] KVM: selftests: Improve PMU event filter settings and add test cases Jinrong Liang
2023-06-07 12:36 ` [PATCH v3 1/4] KVM: selftests: Introduce __kvm_pmu_event_filter to improved event filter settings Jinrong Liang
2023-06-28 21:19 ` Sean Christopherson
2023-06-30 2:47 ` Jinrong Liang
2023-06-07 12:36 ` [PATCH v3 2/4] KVM: selftests: Test unavailable event filters are rejected Jinrong Liang
2023-06-28 21:26 ` Sean Christopherson
2023-06-07 12:36 ` [PATCH v3 3/4] KVM: selftests: Check if event filter meets expectations on fixed counters Jinrong Liang
2023-06-28 21:29 ` Sean Christopherson [this message]
2023-06-07 12:37 ` [PATCH v3 4/4] KVM: selftests: Test gp event filters don't affect fixed event filters Jinrong Liang
2023-06-28 21:30 ` Sean Christopherson
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