From: "Mi, Dapeng" <dapeng1.mi@linux.intel.com>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Kan Liang <kan.liang@linux.intel.com>,
Jim Mattson <jmattson@google.com>,
Jinrong Liang <cloudliang@tencent.com>,
Aaron Lewis <aaronlewis@google.com>, Like Xu <likexu@tencent.com>
Subject: Re: [PATCH v7 15/19] KVM: selftests: Add a helper to query if the PMU module param is enabled
Date: Thu, 9 Nov 2023 15:45:18 +0800 [thread overview]
Message-ID: <94011a6d-fc3e-4cd7-a025-a00222ef4d98@linux.intel.com> (raw)
In-Reply-To: <20231108003135.546002-16-seanjc@google.com>
On 11/8/2023 8:31 AM, Sean Christopherson wrote:
> Add a helper to problem KVM's "enable_pmu" param, open coding strings in
> multiple places is just asking for a false negatives and/or runtime errors
> due to typos.
>
> Signed-off-by: Sean Christopherson <seanjc@google.com>
> ---
> tools/testing/selftests/kvm/include/x86_64/processor.h | 5 +++++
> tools/testing/selftests/kvm/x86_64/pmu_counters_test.c | 2 +-
> tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c | 2 +-
> tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c | 2 +-
> 4 files changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
> index 64aecb3dcf60..c261e0941dfe 100644
> --- a/tools/testing/selftests/kvm/include/x86_64/processor.h
> +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
> @@ -1216,6 +1216,11 @@ static inline uint8_t xsetbv_safe(uint32_t index, uint64_t value)
>
> bool kvm_is_tdp_enabled(void);
>
> +static inline bool kvm_is_pmu_enabled(void)
> +{
> + return get_kvm_param_bool("enable_pmu");
> +}
> +
> uint64_t *__vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr,
> int *level);
> uint64_t *vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr);
> diff --git a/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c b/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c
> index 90381382c51f..d775cc7e8fab 100644
> --- a/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c
> +++ b/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c
> @@ -537,7 +537,7 @@ static void test_intel_counters(void)
>
> int main(int argc, char *argv[])
> {
> - TEST_REQUIRE(get_kvm_param_bool("enable_pmu"));
> + TEST_REQUIRE(kvm_is_pmu_enabled());
>
> TEST_REQUIRE(host_cpu_is_intel);
> TEST_REQUIRE(kvm_cpu_has_p(X86_PROPERTY_PMU_VERSION));
> diff --git a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c
> index 7ec9fbed92e0..fa407e2ccb2f 100644
> --- a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c
> +++ b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c
> @@ -867,7 +867,7 @@ int main(int argc, char *argv[])
> struct kvm_vcpu *vcpu, *vcpu2 = NULL;
> struct kvm_vm *vm;
>
> - TEST_REQUIRE(get_kvm_param_bool("enable_pmu"));
> + TEST_REQUIRE(kvm_is_pmu_enabled());
> TEST_REQUIRE(kvm_has_cap(KVM_CAP_PMU_EVENT_FILTER));
> TEST_REQUIRE(kvm_has_cap(KVM_CAP_PMU_EVENT_MASKED_EVENTS));
>
> diff --git a/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c b/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c
> index ebbcb0a3f743..562b0152a122 100644
> --- a/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c
> +++ b/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c
> @@ -237,7 +237,7 @@ int main(int argc, char *argv[])
> {
> union perf_capabilities host_cap;
>
> - TEST_REQUIRE(get_kvm_param_bool("enable_pmu"));
> + TEST_REQUIRE(kvm_is_pmu_enabled());
> TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_PDCM));
>
> TEST_REQUIRE(kvm_cpu_has_p(X86_PROPERTY_PMU_VERSION));
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
next prev parent reply other threads:[~2023-11-09 7:45 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-08 0:31 [PATCH v7 00/19] KVM: x86/pmu: selftests: Fixes and new tests Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 01/19] KVM: x86/pmu: Always treat Fixed counters as available when supported Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 02/19] KVM: x86/pmu: Allow programming events that match unsupported arch events Sean Christopherson
2023-11-08 1:24 ` Jim Mattson
2023-11-08 20:41 ` Liang, Kan
2023-11-08 0:31 ` [PATCH v7 03/19] KVM: x86/pmu: Remove KVM's enumeration of Intel's architectural encodings Sean Christopherson
2023-11-08 16:06 ` Liang, Kan
2023-11-08 19:35 ` Sean Christopherson
2023-11-08 20:38 ` Liang, Kan
2023-11-08 0:31 ` [PATCH v7 04/19] KVM: x86/pmu: Setup fixed counters' eventsel during PMU initialization Sean Christopherson
2023-11-08 1:28 ` Jim Mattson
2023-11-08 14:39 ` Sean Christopherson
2023-11-08 19:00 ` Jim Mattson
2023-11-08 0:31 ` [PATCH v7 05/19] KVM: selftests: Add vcpu_set_cpuid_property() to set properties Sean Christopherson
2023-11-08 19:11 ` Jim Mattson
2023-11-08 0:31 ` [PATCH v7 06/19] KVM: selftests: Drop the "name" param from KVM_X86_PMU_FEATURE() Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 07/19] KVM: selftests: Extend {kvm,this}_pmu_has() to support fixed counters Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 08/19] KVM: selftests: Add pmu.h and lib/pmu.c for common PMU assets Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 09/19] KVM: selftests: Test Intel PMU architectural events on gp counters Sean Christopherson
2023-11-09 7:28 ` Mi, Dapeng
2023-11-08 0:31 ` [PATCH v7 10/19] KVM: selftests: Test Intel PMU architectural events on fixed counters Sean Christopherson
2023-11-09 7:30 ` Mi, Dapeng
2023-11-09 15:23 ` Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 11/19] KVM: selftests: Test consistency of CPUID with num of gp counters Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 12/19] KVM: selftests: Test consistency of CPUID with num of fixed counters Sean Christopherson
2023-11-09 7:34 ` Mi, Dapeng
2023-11-09 15:19 ` Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 13/19] KVM: selftests: Add functional test for Intel's fixed PMU counters Sean Christopherson
2023-11-09 7:39 ` Mi, Dapeng
2023-11-08 0:31 ` [PATCH v7 14/19] KVM: selftests: Expand PMU counters test to verify LLC events Sean Christopherson
2023-11-09 7:43 ` Mi, Dapeng
2023-11-08 0:31 ` [PATCH v7 15/19] KVM: selftests: Add a helper to query if the PMU module param is enabled Sean Christopherson
2023-11-09 7:45 ` Mi, Dapeng [this message]
2023-11-08 0:31 ` [PATCH v7 16/19] KVM: selftests: Add helpers to read integer module params Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 17/19] KVM: selftests: Query module param to detect FEP in MSR filtering test Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 18/19] KVM: selftests: Move KVM_FEP macro into common library header Sean Christopherson
2023-11-08 0:31 ` [PATCH v7 19/19] KVM: selftests: Test PMC virtualization with forced emulation Sean Christopherson
2023-11-09 7:51 ` Mi, Dapeng
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=94011a6d-fc3e-4cd7-a025-a00222ef4d98@linux.intel.com \
--to=dapeng1.mi@linux.intel.com \
--cc=aaronlewis@google.com \
--cc=cloudliang@tencent.com \
--cc=jmattson@google.com \
--cc=kan.liang@linux.intel.com \
--cc=kvm@vger.kernel.org \
--cc=likexu@tencent.com \
--cc=linux-kernel@vger.kernel.org \
--cc=pbonzini@redhat.com \
--cc=seanjc@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®