Jinrong Liang <ljr.kernel@xxxxxxxxx> 于2023年4月20日周四 18:46写道： > > From: Jinrong Liang <cloudliang@xxxxxxxxxxx> > > From: Jinrong Liang <cloudliang@xxxxxxxxxxx> > > Hi, > > This patch set adds some tests to ensure consistent PMU performance event > filter behavior. Specifically, the patches aim to improve KVM's PMU event > filter by strengthening the test coverage, adding documentation, and making > other small changes. > > The first patch replaces int with uint32_t for nevents to ensure consistency > and readability in the code. The second patch adds fixed_counter_bitmap to > create_pmu_event_filter() to support the use of the same creator to control > the use of guest fixed counters. The third patch adds test cases for > unsupported input values in PMU filter, including unsupported "action" > values, unsupported "flags" values, and unsupported "nevents" values. Also, > it tests setting non-existent fixed counters in the fixed bitmap doesn't > fail. > > The fourth patch updates the documentation for KVM_SET_PMU_EVENT_FILTER ioctl > to include a detailed description of how fixed performance events are handled > in the pmu filter. The fifth patch adds tests to cover that pmu_event_filter > works as expected when applied to fixed performance counters, even if there > is no fixed counter exists. The sixth patch adds a test to ensure that setting > both generic and fixed performance event filters does not affect the consistency > of the fixed performance filter behavior in KVM. The seventh patch adds a test > to verify the behavior of the pmu event filter when an incomplete > kvm_pmu_event_filter structure is used. > > These changes help to ensure that KVM's PMU event filter functions as expected > in all supported use cases. These patches have been tested and verified to > function properly. > > Thanks for your review and feedback. > > Sincerely, > Jinrong Liang > > Previous: > https://lore.kernel.org/kvm/20230414110056.19665-1-cloudliang@xxxxxxxxxxx > > v2: > - Wrap the code from the documentation in a block of code; (Bagas Sanjaya) > > Jinrong Liang (7): > KVM: selftests: Replace int with uint32_t for nevents > KVM: selftests: Apply create_pmu_event_filter() to fixed ctrs > KVM: selftests: Test unavailable event filters are rejected > KVM: x86/pmu: Add documentation for fixed ctr on PMU filter > KVM: selftests: Check if pmu_event_filter meets expectations on fixed > ctrs > KVM: selftests: Check gp event filters without affecting fixed event > filters > KVM: selftests: Test pmu event filter with incompatible > kvm_pmu_event_filter > > Documentation/virt/kvm/api.rst | 21 ++ > .../kvm/x86_64/pmu_event_filter_test.c | 239 ++++++++++++++++-- > 2 files changed, 243 insertions(+), 17 deletions(-) > > > base-commit: a25497a280bbd7bbcc08c87ddb2b3909affc8402 > -- > 2.31.1 > Polite ping. Should I post version 3 to fix the problem of two "From: Jinrong Liang <cloudliang@xxxxxxxxxxx>"? Thanks
