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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/vmx.c | |
| parent | 3fca03653010b8c5fa63b99fc94c78cbfb433d00 (diff) | |
| download | lwn-1165f5fec18c077bdba88e7125fd41f8e3617cb4.tar.gz lwn-1165f5fec18c077bdba88e7125fd41f8e3617cb4.zip | |
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/vmx.c')
| -rw-r--r-- | drivers/kvm/vmx.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 37537af126d1..10845b7ff297 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -1396,7 +1396,7 @@ static int handle_exception(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: @@ -1425,7 +1425,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) static int handle_external_interrupt(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { - ++kvm_stat.irq_exits; + ++vcpu->stat.irq_exits; return 1; } @@ -1492,7 +1492,7 @@ static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) unsigned long count; gva_t address; - ++kvm_stat.io_exits; + ++vcpu->stat.io_exits; exit_qualification = vmcs_read64(EXIT_QUALIFICATION); in = (exit_qualification & 8) != 0; size = (exit_qualification & 7) + 1; @@ -1682,7 +1682,7 @@ static int handle_interrupt_window(struct kvm_vcpu *vcpu, if (kvm_run->request_interrupt_window && !vcpu->irq_summary) { kvm_run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; - ++kvm_stat.irq_window_exits; + ++vcpu->stat.irq_window_exits; return 0; } return 1; @@ -1695,7 +1695,7 @@ static int handle_halt(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; } @@ -1956,7 +1956,7 @@ again: reload_tss(); } - ++kvm_stat.exits; + ++vcpu->stat.exits; #ifdef CONFIG_X86_64 if (is_long_mode(vcpu)) { @@ -1988,14 +1988,14 @@ again: if (r > 0) { /* Give scheduler a change to reschedule. */ 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; @@ -2021,7 +2021,7 @@ static void vmx_inject_page_fault(struct kvm_vcpu *vcpu, { u32 vect_info = vmcs_read32(IDT_VECTORING_INFO_FIELD); - ++kvm_stat.pf_guest; + ++vcpu->stat.pf_guest; if (is_page_fault(vect_info)) { printk(KERN_DEBUG "inject_page_fault: " |