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| author | Avi Kivity <avi@qumranet.com> | 2007-04-19 17:27:43 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-05-03 10:52:30 +0300 |
| commit | 1165f5fec18c077bdba88e7125fd41f8e3617cb4 (patch) | |
| tree | a1931bfddfabaa909f4ebd14a5c00a549d1e37ec /drivers/kvm/svm.c | |
| parent | 3fca03653010b8c5fa63b99fc94c78cbfb433d00 (diff) | |
| download | kernel_samsung_aries-1165f5fec18c077bdba88e7125fd41f8e3617cb4.zip kernel_samsung_aries-1165f5fec18c077bdba88e7125fd41f8e3617cb4.tar.gz kernel_samsung_aries-1165f5fec18c077bdba88e7125fd41f8e3617cb4.tar.bz2 | |
KVM: Per-vcpu statistics
Make the exit statistics per-vcpu instead of global. This gives a 3.5%
boost when running one virtual machine per core on my two socket dual core
(4 cores total) machine.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/svm.c')
| -rw-r--r-- | drivers/kvm/svm.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index 61ed735..644efc5 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -914,7 +914,7 @@ static int pf_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) case EMULATE_DONE: return 1; case EMULATE_DO_MMIO: - ++kvm_stat.mmio_exits; + ++vcpu->stat.mmio_exits; kvm_run->exit_reason = KVM_EXIT_MMIO; return 0; case EMULATE_FAIL: @@ -1054,7 +1054,7 @@ static int io_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) unsigned long count; gva_t address = 0; - ++kvm_stat.io_exits; + ++vcpu->stat.io_exits; vcpu->svm->next_rip = vcpu->svm->vmcb->control.exit_info_2; @@ -1096,7 +1096,7 @@ static int halt_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; kvm_run->exit_reason = KVM_EXIT_HLT; - ++kvm_stat.halt_exits; + ++vcpu->stat.halt_exits; return 0; } @@ -1264,7 +1264,7 @@ static int interrupt_window_interception(struct kvm_vcpu *vcpu, */ if (kvm_run->request_interrupt_window && !vcpu->irq_summary) { - ++kvm_stat.irq_window_exits; + ++vcpu->stat.irq_window_exits; kvm_run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; return 0; } @@ -1636,14 +1636,14 @@ again: r = handle_exit(vcpu, kvm_run); if (r > 0) { if (signal_pending(current)) { - ++kvm_stat.signal_exits; + ++vcpu->stat.signal_exits; post_kvm_run_save(vcpu, kvm_run); kvm_run->exit_reason = KVM_EXIT_INTR; return -EINTR; } if (dm_request_for_irq_injection(vcpu, kvm_run)) { - ++kvm_stat.request_irq_exits; + ++vcpu->stat.request_irq_exits; post_kvm_run_save(vcpu, kvm_run); kvm_run->exit_reason = KVM_EXIT_INTR; return -EINTR; @@ -1672,7 +1672,7 @@ static void svm_inject_page_fault(struct kvm_vcpu *vcpu, { uint32_t exit_int_info = vcpu->svm->vmcb->control.exit_int_info; - ++kvm_stat.pf_guest; + ++vcpu->stat.pf_guest; if (is_page_fault(exit_int_info)) { |