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authorMarcelo Tosatti <mtosatti@redhat.com>2014-12-16 09:08:16 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2015-01-08 16:48:01 -0500
commit6c19b7538f5ae2b6cdf91ab29f7fddf7320ece5b (patch)
tree895ff83a5ea372ff983d2458652f1995d06e6381 /arch/x86/kvm/lapic.c
parentd0659d946be05e098883b6955d2764595997f6a4 (diff)
KVM: x86: add tracepoint to wait_lapic_expire
Add tracepoint to wait_lapic_expire. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> [Remind reader if early or late. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
-rw-r--r--arch/x86/kvm/lapic.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index e1c0befaa9f6..3eb7f8d9992c 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1134,6 +1134,7 @@ void wait_lapic_expire(struct kvm_vcpu *vcpu)
1134 tsc_deadline = apic->lapic_timer.expired_tscdeadline; 1134 tsc_deadline = apic->lapic_timer.expired_tscdeadline;
1135 apic->lapic_timer.expired_tscdeadline = 0; 1135 apic->lapic_timer.expired_tscdeadline = 0;
1136 guest_tsc = kvm_x86_ops->read_l1_tsc(vcpu, native_read_tsc()); 1136 guest_tsc = kvm_x86_ops->read_l1_tsc(vcpu, native_read_tsc());
1137 trace_kvm_wait_lapic_expire(vcpu->vcpu_id, guest_tsc - tsc_deadline);
1137 1138
1138 /* __delay is delay_tsc whenever the hardware has TSC, thus always. */ 1139 /* __delay is delay_tsc whenever the hardware has TSC, thus always. */
1139 if (guest_tsc < tsc_deadline) 1140 if (guest_tsc < tsc_deadline)