[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 2/5] kvm-all: add kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_
From: |
Kazuya Saito |
Subject: |
[Qemu-devel] [PATCH 2/5] kvm-all: add kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl tracepoints |
Date: |
Fri, 22 Mar 2013 17:27:45 +0900 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 |
This patch adds tracepoints at ioctl to kvm. Tracing these ioctl is
useful for clarification whether the cause of troubles is qemu or kvm.
Signed-off-by: Kazuya Saito <address@hidden>
---
kvm-all.c | 4 ++++
trace-events | 5 +++++
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index 4decfdc..da15623 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -33,6 +33,7 @@
#include "exec/memory.h"
#include "exec/address-spaces.h"
#include "qemu/event_notifier.h"
+#include "trace.h"
/* This check must be after config-host.h is included */
#ifdef CONFIG_EVENTFD
@@ -1636,6 +1637,7 @@ int kvm_ioctl(KVMState *s, int type, ...)
arg = va_arg(ap, void *);
va_end(ap);
+ trace_kvm_ioctl(type);
ret = ioctl(s->fd, type, arg);
if (ret == -1) {
ret = -errno;
@@ -1653,6 +1655,7 @@ int kvm_vm_ioctl(KVMState *s, int type, ...)
arg = va_arg(ap, void *);
va_end(ap);
+ trace_kvm_vm_ioctl(type);
ret = ioctl(s->vmfd, type, arg);
if (ret == -1) {
ret = -errno;
@@ -1670,6 +1673,7 @@ int kvm_vcpu_ioctl(CPUState *cpu, int type, ...)
arg = va_arg(ap, void *);
va_end(ap);
+ trace_kvm_vcpu_ioctl(type);
ret = ioctl(cpu->kvm_fd, type, arg);
if (ret == -1) {
ret = -errno;
diff --git a/trace-events b/trace-events
index 1e352a7..1af7060 100644
--- a/trace-events
+++ b/trace-events
@@ -1096,3 +1096,8 @@ virtio_ccw_new_device(int cssid, int ssid, int schid, int
devno, const char *dev
# migration.c
migrate_set_state(int new_state) "new state %d"
+
+# kvm-all.c
+kvm_ioctl(int type) "type %d"
+kvm_vm_ioctl(int type) "type %d"
+kvm_vcpu_ioctl(int type) "type %d"
--
1.7.1
- [Qemu-devel] [PATCH 0/5] Add some tracepoints for clarification of the cause of troubles, Kazuya Saito, 2013/03/22
- [Qemu-devel] [PATCH 1/5] vl: add runstate_set tracepoint, Kazuya Saito, 2013/03/22
- [Qemu-devel] [PATCH 2/5] kvm-all: add kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl tracepoints,
Kazuya Saito <=
- [Qemu-devel] [PATCH 3/5] kvm-all: add kvm_run_exit tracepoint, Kazuya Saito, 2013/03/22
- [Qemu-devel] [PATCH 4/5] qdev: add qdev_{create,free} tracepoints, Kazuya Saito, 2013/03/22
- [Qemu-devel] [PATCH 5/5] qdev-monitor: add device_add tracepoint, Kazuya Saito, 2013/03/22
- Re: [Qemu-devel] [PATCH 0/5] Add some tracepoints for clarification of the cause of troubles, Paolo Bonzini, 2013/03/22