| Message ID | 514C1601.4010900@jp.fujitsu.com |
|---|---|
| State | New |
| Headers | show |
Il 22/03/2013 09:27, Kazuya Saito ha scritto: > 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 <saito.kazuya@jp.fujitsu.com> > --- > 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" > Please add arg as well and, for kvm_vcpu_ioctl, the CPU number too. Thanks! Paolo
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"
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 <saito.kazuya@jp.fujitsu.com> --- kvm-all.c | 4 ++++ trace-events | 5 +++++ 2 files changed, 9 insertions(+), 0 deletions(-)