[Qemu-devel] [PATCH 3/5] kvm-all: add kvm_run_exit tracepoint

[Kazuya Saito <saito.kazuya@jp.fujitsu.com>]

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 <saito.kazuya@jp.fujitsu.com>
---
 kvm-all.c    |    1 +
 trace-events |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kvm-all.c b/kvm-all.c
index da15623..29fca13 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1576,6 +1576,7 @@ int kvm_cpu_exec(CPUArchState *env)
             abort();
         }

+        trace_kvm_run_exit(run->exit_reason);
         switch (run->exit_reason) {
         case KVM_EXIT_IO:
             DPRINTF("handle_io\n");
diff --git a/trace-events b/trace-events
index 1af7060..c691ce4 100644
--- a/trace-events
+++ b/trace-events
@@ -1101,3 +1101,4 @@ migrate_set_state(int new_state) "new state %d"
 kvm_ioctl(int type) "type %d"
 kvm_vm_ioctl(int type) "type %d"
 kvm_vcpu_ioctl(int type) "type %d"
+kvm_run_exit(uint32_t reason) "reason %d"
-- 
1.7.1