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Re: [Qemu-devel] [PATCH 3/5] kvm-all: add kvm_run_exit tracepoint
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 3/5] kvm-all: add kvm_run_exit tracepoint |
Date: |
Fri, 22 Mar 2013 12:12:45 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 |
Il 22/03/2013 09:28, Kazuya Saito ha scritto:
> 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 | 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"
>
Please add the CPU number here, too.
Paolo
- [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, 2013/03/22
- [Qemu-devel] [PATCH 3/5] kvm-all: add kvm_run_exit tracepoint, Kazuya Saito, 2013/03/22
- Re: [Qemu-devel] [PATCH 3/5] kvm-all: add kvm_run_exit tracepoint,
Paolo Bonzini <=
- [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