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| author | Ben Gardon <bgardon@google.com> | 2022-06-13 21:25:23 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-06-24 04:51:51 -0400 |
| commit | 83f6e109f562063ab7a1f54d99bcab2858b09ead (patch) | |
| tree | c9ad1742db44dd9d4d597cd28ce94e94e266180e /tools/testing/selftests/kvm/include/kvm_util_base.h | |
| parent | KVM: selftests: Test disabling NX hugepages on a VM (diff) | |
| download | linux-83f6e109f562063ab7a1f54d99bcab2858b09ead.tar.gz linux-83f6e109f562063ab7a1f54d99bcab2858b09ead.zip | |
KVM: selftests: Cache binary stats metadata for duration of test
In order to improve performance across multiple reads of VM stats, cache
the stats metadata in the VM struct.
Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20220613212523.3436117-11-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/include/kvm_util_base.h')
| -rw-r--r-- | tools/testing/selftests/kvm/include/kvm_util_base.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index fd2b52850b29..b78e3c7a2566 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -84,6 +84,11 @@ struct kvm_vm { vm_vaddr_t idt; vm_vaddr_t handlers; uint32_t dirty_ring_size; + + /* Cache of information for binary stats interface */ + int stats_fd; + struct kvm_stats_header stats_header; + struct kvm_stats_desc *stats_desc; }; |