From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
KVM list <kvm@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH v3 3/10] KVM MMU: move unsync/sync tracpoints to proper place
Date: Wed, 28 Apr 2010 11:55:06 +0800 [thread overview]
Message-ID: <4BD7B19A.3020804@cn.fujitsu.com> (raw)
In-Reply-To: <4BD7AE34.5000408@cn.fujitsu.com>
Move unsync/sync tracepoints to the proper place, it's good
for us to obtain unsync page live time
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---
arch/x86/kvm/mmu.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 9696d65..e1ac325 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1189,6 +1189,7 @@ static struct kvm_mmu_page *kvm_mmu_lookup_page(struct kvm *kvm, gfn_t gfn)
static void kvm_unlink_unsync_page(struct kvm *kvm, struct kvm_mmu_page *sp)
{
WARN_ON(!sp->unsync);
+ trace_kvm_mmu_sync_page(sp);
sp->unsync = 0;
--kvm->stat.mmu_unsync;
}
@@ -1202,7 +1203,6 @@ static int kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
return 1;
}
- trace_kvm_mmu_sync_page(sp);
if (rmap_write_protect(vcpu->kvm, sp->gfn))
kvm_flush_remote_tlbs(vcpu->kvm);
kvm_unlink_unsync_page(vcpu->kvm, sp);
@@ -1730,7 +1730,6 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
struct kvm_mmu_page *s;
struct hlist_node *node, *n;
- trace_kvm_mmu_unsync_page(sp);
index = kvm_page_table_hashfn(sp->gfn);
bucket = &vcpu->kvm->arch.mmu_page_hash[index];
/* don't unsync if pagetable is shadowed with multiple roles */
@@ -1740,6 +1739,7 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
if (s->role.word != sp->role.word)
return 1;
}
+ trace_kvm_mmu_unsync_page(sp);
++vcpu->kvm->stat.mmu_unsync;
sp->unsync = 1;
--
1.6.1.2
next prev parent reply other threads:[~2010-04-28 3:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4BD7AE34.5000408@cn.fujitsu.com>
2010-04-28 3:54 ` [PATCH v3 1/10] KVM MMU: fix for calculating gpa in invlpg code Xiao Guangrong
2010-04-28 3:54 ` [PATCH v3 2/10] KVM MMU: convert mmu tracepoints Xiao Guangrong
2010-04-28 3:55 ` Xiao Guangrong [this message]
2010-04-28 3:55 ` [PATCH v3 4/10] KVM MMU: cleanup invlpg code Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 5/10] KVM MMU: split kvm_sync_page() function Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 6/10] KVM MMU: don't write-protect if have new mapping to unsync page Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 7/10] KVM MMU: allow more page become unsync at gfn mapping time Xiao Guangrong
2010-04-30 19:33 ` Marcelo Tosatti
2010-05-05 12:16 ` Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 8/10] KVM MMU: allow more page become unsync at getting sp time Xiao Guangrong
2010-04-28 3:56 ` [PATCH v3 9/10] KVM MMU: separate invlpg code form kvm_mmu_pte_write() Xiao Guangrong
2010-04-28 3:56 ` [PATCH v3 10/10] KVM MMU: optimize sync/update unsync-page Xiao Guangrong
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