diff options
| author | Avi Kivity <avi@qumranet.com> | 2007-11-18 13:50:24 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 17:53:04 +0200 |
| commit | e1beb1d37c3187aa12c6463bd15ba594e9986761 (patch) | |
| tree | c2e6e84257f59f2194d7abfd768d724df649e494 /drivers | |
| parent | d19a9cd275b0fdc793d1bb8b644b7aad0517e4bc (diff) | |
KVM: Replace 'light_exits' stat with 'host_state_reload'
This is a little more accurate (since it counts actual reloads, not potential
reloads), and reverses the sense of the statistic to measure a bad event like
most of the other stats (e.g. we want to minimize all counters).
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/kvm/kvm.h | 2 | ||||
| -rw-r--r-- | drivers/kvm/svm.c | 1 | ||||
| -rw-r--r-- | drivers/kvm/vmx.c | 1 | ||||
| -rw-r--r-- | drivers/kvm/x86.c | 6 |
4 files changed, 5 insertions, 5 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 59e001c3ff0..04efe8833e0 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -246,7 +246,7 @@ struct kvm_stat { u32 halt_wakeup; u32 request_irq_exits; u32 irq_exits; - u32 light_exits; + u32 host_state_reload; u32 efer_reload; }; diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index a1a7f39ff3f..0d32304944f 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -654,6 +654,7 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu) struct vcpu_svm *svm = to_svm(vcpu); int i; + ++vcpu->stat.host_state_reload; for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++) wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]); diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 84c77fed9d1..7130f315afd 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -463,6 +463,7 @@ static void vmx_load_host_state(struct vcpu_vmx *vmx) if (!vmx->host_state.loaded) return; + ++vmx->vcpu.stat.host_state_reload; vmx->host_state.loaded = 0; if (vmx->host_state.fs_reload_needed) load_fs(vmx->host_state.fs_sel); diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c index b7c72ac3673..923dfd4e0af 100644 --- a/drivers/kvm/x86.c +++ b/drivers/kvm/x86.c @@ -60,7 +60,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "halt_wakeup", STAT_OFFSET(halt_wakeup) }, { "request_irq", STAT_OFFSET(request_irq_exits) }, { "irq_exits", STAT_OFFSET(irq_exits) }, - { "light_exits", STAT_OFFSET(light_exits) }, + { "host_state_reload", STAT_OFFSET(host_state_reload) }, { "efer_reload", STAT_OFFSET(efer_reload) }, { NULL } }; @@ -1988,10 +1988,8 @@ again: ++vcpu->stat.request_irq_exits; goto out; } - if (!need_resched()) { - ++vcpu->stat.light_exits; + if (!need_resched()) goto again; - } } out: |