diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-12-17 16:05:19 +0100 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-01-09 14:47:59 +0100 |
| commit | 0f1e261ead16ce09169bf2d223d4c8803576f85e (patch) | |
| tree | 763cd3367f54cb645fda4af331247fa24004863b /arch/x86/include/asm/kvm_host.h | |
| parent | 0f89b207b04a1a399e19d35293658e3a571da3d7 (diff) | |
KVM: x86: add VCPU stat for KVM_REQ_EVENT processing
This statistic can be useful to estimate the cost of an IRQ injection
scenario, by comparing it with irq_injections. For example the stat
shows that sti;hlt triggers more KVM_REQ_EVENT than sti;nop.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 0419e114f27b..417502cf42b6 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -861,6 +861,7 @@ struct kvm_vcpu_stat { u64 hypercalls; u64 irq_injections; u64 nmi_injections; + u64 req_event; }; struct x86_instruction_info; |