KVM: X86: Count attempted/successful directed yield

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To analyze some performance issues with lock contention and scheduling,
it is nice to know when directed yield are successful or failing.

Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1617941911-5338-2-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Wanpeng Li 2021-04-09 12:18:30 +08:00 • committed by Paolo Bonzini

parent 2b519b5797

commit 4a7132efff

2 changed files with 20 additions and 6 deletions

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arch/x86/include/asm/kvm_host.h

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24

arch/x86/kvm/x86.c

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