[PATCH v3 0/5] KVM: selftests: aarch64: Introduce pmu_event_filter_test
Eric Auger
eauger at redhat.com
Fri Jan 26 02:25:15 PST 2024
Hi Shaoqin,
On 1/16/24 07:01, Shaoqin Huang wrote:
> The test is inspired by the pmu_event_filter_test which implemented by x86. On
> the arm64 platform, there is the same ability to set the pmu_event_filter
> through the KVM_ARM_VCPU_PMU_V3_FILTER attribute. So add the test for arm64.
>
> The series first move some pmu common code from vpmu_counter_access to
> lib/aarch64/vpmu.c and include/aarch64/vpmu.h, which can be used by
> pmu_event_filter_test. Then fix a bug related to the [enable|disable]_counter,
> and at last, implement the test itself.
which branch does it apply on? I fail to apply on top on main.
Or can you provide a branch?
Eric
>
> Changelog:
> ----------
> v2->v3:
> - Check the pmceid in guest code instead of pmu event count since different
> hardware may have different event count result, check pmceid makes it stable
> on different platform. [Eric]
> - Some typo fixed and commit message improved.
>
> v1->v2:
> - Improve the commit message. [Eric]
> - Fix the bug in [enable|disable]_counter. [Raghavendra & Marc]
> - Add the check if kvm has attr KVM_ARM_VCPU_PMU_V3_FILTER.
> - Add if host pmu support the test event throught pmceid0.
> - Split the test_invalid_filter() to another patch. [Eric]
>
> v1: https://lore.kernel.org/all/20231123063750.2176250-1-shahuang@redhat.com/
> v2: https://lore.kernel.org/all/20231129072712.2667337-1-shahuang@redhat.com/
>
> Shaoqin Huang (5):
> KVM: selftests: aarch64: Make the [create|destroy]_vpmu_vm() public
> KVM: selftests: aarch64: Move pmu helper functions into vpmu.h
> KVM: selftests: aarch64: Fix the buggy [enable|disable]_counter
> KVM: selftests: aarch64: Introduce pmu_event_filter_test
> KVM: selftests: aarch64: Add invalid filter test in
> pmu_event_filter_test
>
> tools/testing/selftests/kvm/Makefile | 2 +
> .../kvm/aarch64/pmu_event_filter_test.c | 255 ++++++++++++++++++
> .../kvm/aarch64/vpmu_counter_access.c | 218 ++-------------
> .../selftests/kvm/include/aarch64/vpmu.h | 135 ++++++++++
> .../testing/selftests/kvm/lib/aarch64/vpmu.c | 74 +++++
> 5 files changed, 490 insertions(+), 194 deletions(-)
> create mode 100644 tools/testing/selftests/kvm/aarch64/pmu_event_filter_test.c
> create mode 100644 tools/testing/selftests/kvm/include/aarch64/vpmu.h
> create mode 100644 tools/testing/selftests/kvm/lib/aarch64/vpmu.c
>
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