From 229456fc34b1c9031b04f7581e7b755d1cebfe9c Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Wed, 17 Jun 2009 09:22:14 -0300
Subject: KVM: convert custom marker based tracing to event traces

This allows use of the powerful ftrace infrastructure.

See Documentation/trace/ for usage information.

[avi, stephen: various build fixes]
[sheng: fix control register breakage]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 virt/kvm/irq_comm.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'virt/kvm/irq_comm.c')

diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index bb8a1b5e41c1..94759ed96b64 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -20,6 +20,7 @@
  */
 
 #include <linux/kvm_host.h>
+#include <trace/events/kvm.h>
 
 #include <asm/msidef.h>
 #ifdef CONFIG_IA64
@@ -125,6 +126,8 @@ int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level)
 	unsigned long *irq_state, sig_level;
 	int ret = -1;
 
+	trace_kvm_set_irq(irq);
+
 	WARN_ON(!mutex_is_locked(&kvm->irq_lock));
 
 	if (irq < KVM_IOAPIC_NUM_PINS) {
@@ -161,6 +164,8 @@ void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin)
 	struct hlist_node *n;
 	unsigned gsi = pin;
 
+	trace_kvm_ack_irq(irqchip, pin);
+
 	list_for_each_entry(e, &kvm->irq_routing, link)
 		if (e->type == KVM_IRQ_ROUTING_IRQCHIP &&
 		    e->irqchip.irqchip == irqchip &&
-- 
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