]> git.proxmox.com Git - mirror_qemu.git/blobdiff - iothread.c
Merge tag 'pull-aspeed-20240201' of https://github.com/legoater/qemu into staging
[mirror_qemu.git] / iothread.c
index 3862a64471242649b67adc5a95946b0b22e6efc8..6c1fc8c8561d8a8a3b69f3d90d203b05a47ba52e 100644 (file)
 #include "qemu/rcu.h"
 #include "qemu/main-loop.h"
 
-typedef ObjectClass IOThreadClass;
-
-DECLARE_CLASS_CHECKERS(IOThreadClass, IOTHREAD,
-                       TYPE_IOTHREAD)
 
 #ifdef CONFIG_POSIX
 /* Benchmark results from 2016 on NVMe SSD drives show max polling times around
@@ -142,12 +138,14 @@ static void iothread_instance_finalize(Object *obj)
     qemu_sem_destroy(&iothread->init_done_sem);
 }
 
-static void iothread_init_gcontext(IOThread *iothread)
+static void iothread_init_gcontext(IOThread *iothread, const char *thread_name)
 {
     GSource *source;
+    g_autofree char *name = g_strdup_printf("%s aio-context", thread_name);
 
     iothread->worker_context = g_main_context_new();
     source = aio_get_g_source(iothread_get_aio_context(iothread));
+    g_source_set_name(source, name);
     g_source_attach(source, iothread->worker_context);
     g_source_unref(source);
     iothread->main_loop = g_main_loop_new(iothread->worker_context, TRUE);
@@ -172,8 +170,7 @@ static void iothread_set_aio_context_params(EventLoopBase *base, Error **errp)
     }
 
     aio_context_set_aio_params(iothread->ctx,
-                               iothread->parent_obj.aio_max_batch,
-                               errp);
+                               iothread->parent_obj.aio_max_batch);
 
     aio_context_set_thread_pool_params(iothread->ctx, base->thread_pool_min,
                                        base->thread_pool_max, errp);
@@ -184,7 +181,7 @@ static void iothread_init(EventLoopBase *base, Error **errp)
 {
     Error *local_error = NULL;
     IOThread *iothread = IOTHREAD(base);
-    char *thread_name;
+    g_autofree char *thread_name = NULL;
 
     iothread->stopping = false;
     iothread->running = true;
@@ -193,11 +190,14 @@ static void iothread_init(EventLoopBase *base, Error **errp)
         return;
     }
 
+    thread_name = g_strdup_printf("IO %s",
+                        object_get_canonical_path_component(OBJECT(base)));
+
     /*
      * Init one GMainContext for the iothread unconditionally, even if
      * it's not used
      */
-    iothread_init_gcontext(iothread);
+    iothread_init_gcontext(iothread, thread_name);
 
     iothread_set_aio_context_params(base, &local_error);
     if (local_error) {
@@ -210,11 +210,8 @@ static void iothread_init(EventLoopBase *base, Error **errp)
     /* This assumes we are called from a thread with useful CPU affinity for us
      * to inherit.
      */
-    thread_name = g_strdup_printf("IO %s",
-                        object_get_canonical_path_component(OBJECT(base)));
     qemu_thread_create(&iothread->thread, thread_name, iothread_run,
                        iothread, QEMU_THREAD_JOINABLE);
-    g_free(thread_name);
 
     /* Wait for initialization to complete */
     while (iothread->thread_id == -1) {