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Re: [Qemu-devel] [PATCH for-2.5?] iothread: include id in thread name


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] [PATCH for-2.5?] iothread: include id in thread name
Date: Tue, 24 Nov 2015 15:02:25 +0000
User-agent: Mutt/1.5.24 (2015-08-30)

* Paolo Bonzini (address@hidden) wrote:
> This makes it easier to find the desired thread.  Use "IO" plus the id;
> even with the 14 character limit on the thread name, enough of the id should
> be readable (e.g. "IO iothreadNNN" with three characters for the number).
> 
> Signed-off-by: Paolo Bonzini <address@hidden>

Reviewed-by: Dr. David Alan Gilbert <address@hidden>

(If it's too long, the thread name just doesn't get set)

Dave

> ---
>       v1->v2: shorten prefix (David Gilbert)
> ---
>  iothread.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/iothread.c b/iothread.c
> index da6ce7b..1b8c2bb 100644
> --- a/iothread.c
> +++ b/iothread.c
> @@ -72,6 +72,7 @@ static void iothread_complete(UserCreatable *obj, Error 
> **errp)
>  {
>      Error *local_error = NULL;
>      IOThread *iothread = IOTHREAD(obj);
> +    char *name, *thread_name;
>  
>      iothread->stopping = false;
>      iothread->thread_id = -1;
> @@ -87,8 +88,12 @@ static void iothread_complete(UserCreatable *obj, Error 
> **errp)
>      /* This assumes we are called from a thread with useful CPU affinity for 
> us
>       * to inherit.
>       */
> -    qemu_thread_create(&iothread->thread, "iothread", iothread_run,
> +    name = object_get_canonical_path_component(OBJECT(obj));
> +    thread_name = g_strdup_printf("IO %s", name);
> +    qemu_thread_create(&iothread->thread, thread_name, iothread_run,
>                         iothread, QEMU_THREAD_JOINABLE);
> +    g_free(thread_name);
> +    g_free(name);
>  
>      /* Wait for initialization to complete */
>      qemu_mutex_lock(&iothread->init_done_lock);
> -- 
> 1.8.3.1
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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