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iothread: include id in thread name 

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 <pbonzini@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1448372804-5034-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-11-24 14:46:44 +01:00 committed by Stefan Hajnoczi
parent cf22132367
commit d21e8776f6
1 changed files with 6 additions and 1 deletions
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7
iothread.c
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@ -72,6 +72,7 @@ static void iothread_complete(UserCreatable *obj, Error **errp)
{ {
Error *local_error = NULL; Error *local_error = NULL;
IOThread *iothread = IOTHREAD(obj); IOThread *iothread = IOTHREAD(obj);
char *name, *thread_name;
iothread->stopping = false; iothread->stopping = false;
iothread->thread_id = -1; 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 /* This assumes we are called from a thread with useful CPU affinity for us
* to inherit. * 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); iothread, QEMU_THREAD_JOINABLE);
g_free(thread_name);
g_free(name);
/* Wait for initialization to complete */ /* Wait for initialization to complete */
qemu_mutex_lock(&iothread->init_done_lock); qemu_mutex_lock(&iothread->init_done_lock);