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[Qemu-devel] [PATCH uq/master v2 2/2] kvm-all: add kvm_run_exit tracepoi
From: |
Kazuya Saito |
Subject: |
[Qemu-devel] [PATCH uq/master v2 2/2] kvm-all: add kvm_run_exit tracepoint |
Date: |
Fri, 29 Mar 2013 13:27:52 +0900 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 |
This patch enable us to know exit reason of KVM_RUN. It will help us
know where the trouble is caused.
Signed-off-by: Kazuya Saito <address@hidden>
---
kvm-all.c | 1 +
trace-events | 2 ++
2 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index fdb099c..325f5e7 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1574,6 +1574,7 @@ int kvm_cpu_exec(CPUArchState *env)
abort();
}
+ trace_kvm_run_exit(cpu->cpu_index, run->exit_reason);
switch (run->exit_reason) {
case KVM_EXIT_IO:
DPRINTF("handle_io\n");
diff --git a/trace-events b/trace-events
index 3023744..8fd6e80 100644
--- a/trace-events
+++ b/trace-events
@@ -1106,3 +1106,5 @@ migrate_set_state(int new_state) "new state %d"
kvm_ioctl(int type, void *arg) "type %d, arg %p"
kvm_vm_ioctl(int type, void *arg) "type %d, arg %p"
kvm_vcpu_ioctl(int cpu_index, int type, void *arg) "cpu_index %d, type %d, arg
%p"
+kvm_run_exit(int cpu_index, uint32_t reason) "cpu_index %d, reason %d"
+
--
1.7.1