Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e1beb1d37c3187aa12c6463bd15ba594e9986761 Commit: e1beb1d37c3187aa12c6463bd15ba594e9986761 Parent: d19a9cd275b0fdc793d1bb8b644b7aad0517e4bc Author: Avi Kivity <[EMAIL PROTECTED]> AuthorDate: Sun Nov 18 13:50:24 2007 +0200 Committer: Avi Kivity <[EMAIL PROTECTED]> CommitDate: Wed Jan 30 17:53:04 2008 +0200
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 <[EMAIL PROTECTED]> --- drivers/kvm/kvm.h | 2 +- drivers/kvm/svm.c | 1 + drivers/kvm/vmx.c | 1 + 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 59e001c..04efe88 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 a1a7f39..0d32304 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 84c77fe..7130f31 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 b7c72ac..923dfd4 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: - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html