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Re: [Qemu-devel] [PATCH 1/5] vl: add runstate_set tracepoint
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 1/5] vl: add runstate_set tracepoint |
Date: |
Fri, 22 Mar 2013 12:13:03 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 |
Il 22/03/2013 09:26, Kazuya Saito ha scritto:
> This patch enables us to know RunState transition. It will be userful
> for investigation when the trouble occured in special event such like
> live migration, shutdown, suspend, and so on.
>
> Signed-off-by: Kazuya Saito <address@hidden>
> ---
> trace-events | 1 +
> vl.c | 2 +-
> 2 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/trace-events b/trace-events
> index d6a847d..1e352a7 100644
> --- a/trace-events
> +++ b/trace-events
> @@ -474,6 +474,7 @@ scsi_request_sense(int target, int lun, int tag) "target
> %d lun %d tag %d"
> # vl.c
> vm_state_notify(int running, int reason) "running %d reason %d"
> load_file(const char *name, const char *path) "name %s location %s"
> +runstate_set(int new_state) "new state %d"
>
> # block/qcow2.c
> qcow2_writev_start_req(void *co, int64_t sector, int nb_sectors) "co %p
> sector %" PRIx64 " nb_sectors %d"
> diff --git a/vl.c b/vl.c
> index a621aec..4bd3671 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -638,7 +638,7 @@ void runstate_set(RunState new_state)
> RunState_lookup[new_state]);
> abort();
> }
> -
> + trace_runstate_set(new_state);
> current_run_state = new_state;
> }
>
Reviewed-by: Paolo Bonzini <address@hidden>
- [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
- [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