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Merge pull request #5714 from alexischr/update_bockbuild
[mono.git] / mono / metadata / threadpool-worker-default.c
diff --git a/mono/metadata/threadpool-worker-default.c b/mono/metadata/threadpool-worker-default.c
index f410534223dacd272fa9c95d6320d0426eab7438..b0ff471fe4ee92f0f8fda2cd3ea423c2f701c807 100644 (file)
--- a/mono/metadata/threadpool-worker-default.c
+++ b/mono/metadata/threadpool-worker-default.c
@@ -110,11 +110,6 @@ typedef struct {
        gdouble accumulated_sample_duration;
 } ThreadPoolHillClimbing;
 
-typedef struct {
-       MonoThreadPoolWorkerCallback callback;
-       gpointer data;
-} ThreadPoolWorkItem;
-
 typedef union {
        struct {
                gint16 max_working; /* determined by heuristic */
@@ -123,21 +118,24 @@ typedef union {
                gint16 parked; /* parked */
        } _;
        gint64 as_gint64;
-} ThreadPoolWorkerCounter;
+} ThreadPoolWorkerCounter
+#ifdef __GNUC__
+__attribute__((aligned(64)))
+#endif
+;
 
 typedef struct {
        MonoRefCount ref;
 
+       MonoThreadPoolWorkerCallback callback;
+
        ThreadPoolWorkerCounter counters;
 
        MonoCoopMutex parked_threads_lock;
        gint32 parked_threads_count;
        MonoCoopCond parked_threads_cond;
 
-       ThreadPoolWorkItem *work_items; // ThreadPoolWorkItem []
-       gint32 work_items_count;
-       gint32 work_items_size;
-       MonoCoopMutex work_items_lock;
+       volatile gint32 work_items_count;
 
        guint32 worker_creation_current_second;
        guint32 worker_creation_current_count;
@@ -221,8 +219,6 @@ destroy (gpointer data)
        mono_coop_mutex_destroy (&worker.parked_threads_lock);
        mono_coop_cond_destroy (&worker.parked_threads_cond);
 
-       mono_coop_mutex_destroy (&worker.work_items_lock);
-
        mono_coop_mutex_destroy (&worker.worker_creation_lock);
 
        mono_coop_mutex_destroy (&worker.heuristic_lock);
@@ -231,7 +227,7 @@ destroy (gpointer data)
 }
 
 void
-mono_threadpool_worker_init (void)
+mono_threadpool_worker_init (MonoThreadPoolWorkerCallback callback)
 {
        ThreadPoolHillClimbing *hc;
        const char *threads_per_cpu_env;
@@ -240,13 +236,12 @@ mono_threadpool_worker_init (void)
 
        mono_refcount_init (&worker, destroy);
 
+       worker.callback = callback;
+
        mono_coop_mutex_init (&worker.parked_threads_lock);
        worker.parked_threads_count = 0;
        mono_coop_cond_init (&worker.parked_threads_cond);
 
-       /* worker.work_items_size is inited to 0 */
-       mono_coop_mutex_init (&worker.work_items_lock);
-
        worker.worker_creation_current_second = -1;
        mono_coop_mutex_init (&worker.worker_creation_lock);
 
@@ -291,7 +286,7 @@ mono_threadpool_worker_init (void)
 
        worker.limit_worker_min = threads_count;
 
-#if defined (PLATFORM_ANDROID) || defined (HOST_IOS)
+#if defined (HOST_ANDROID) || defined (HOST_IOS)
        worker.limit_worker_max = CLAMP (threads_count * 100, MIN (threads_count, 200), MAX (threads_count, 200));
 #else
        worker.limit_worker_max = threads_count * 100;
@@ -313,69 +308,32 @@ mono_threadpool_worker_cleanup (void)
 }
 
 static void
-work_item_lock (void)
+work_item_push (void)
 {
-       mono_coop_mutex_lock (&worker.work_items_lock);
-}
-
-static void
-work_item_unlock (void)
-{
-       mono_coop_mutex_unlock (&worker.work_items_lock);
-}
-
-static void
-work_item_push (MonoThreadPoolWorkerCallback callback, gpointer data)
-{
-       ThreadPoolWorkItem work_item;
-
-       g_assert (callback);
-
-       work_item.callback = callback;
-       work_item.data = data;
+       gint32 old, new;
 
-       work_item_lock ();
-
-       g_assert (worker.work_items_count <= worker.work_items_size);
-
-       if (G_UNLIKELY (worker.work_items_count == worker.work_items_size)) {
-               worker.work_items_size += 64;
-               worker.work_items = g_renew (ThreadPoolWorkItem, worker.work_items, worker.work_items_size);
-       }
-
-       g_assert (worker.work_items);
-
-       worker.work_items [worker.work_items_count ++] = work_item;
-
-       // printf ("[push] worker.work_items = %p, worker.work_items_count = %d, worker.work_items_size = %d\n",
-       //      worker.work_items, worker.work_items_count, worker.work_items_size);
+       do {
+               old = InterlockedRead (&worker.work_items_count);
+               g_assert (old >= 0);
 
-       work_item_unlock ();
+               new = old + 1;
+       } while (InterlockedCompareExchange (&worker.work_items_count, new, old) != old);
 }
 
 static gboolean
-work_item_try_pop (ThreadPoolWorkItem *work_item)
+work_item_try_pop (void)
 {
-       g_assert (work_item);
-
-       work_item_lock ();
-
-       // printf ("[pop]  worker.work_items = %p, worker.work_items_count = %d, worker.work_items_size = %d\n",
-       //      worker.work_items, worker.work_items_count, worker.work_items_size);
+       gint32 old, new;
 
-       if (worker.work_items_count == 0) {
-               work_item_unlock ();
-               return FALSE;
-       }
-
-       *work_item = worker.work_items [-- worker.work_items_count];
+       do {
+               old = InterlockedRead (&worker.work_items_count);
+               g_assert (old >= 0);
 
-       if (G_UNLIKELY (worker.work_items_count >= 64 * 3 && worker.work_items_count < worker.work_items_size / 2)) {
-               worker.work_items_size -= 64;
-               worker.work_items = g_renew (ThreadPoolWorkItem, worker.work_items, worker.work_items_size);
-       }
+               if (old == 0)
+                       return FALSE;
 
-       work_item_unlock ();
+               new = old - 1;
+       } while (InterlockedCompareExchange (&worker.work_items_count, new, old) != old);
 
        return TRUE;
 }
@@ -383,24 +341,18 @@ work_item_try_pop (ThreadPoolWorkItem *work_item)
 static gint32
 work_item_count (void)
 {
-       gint32 count;
-
-       work_item_lock ();
-       count = worker.work_items_count;
-       work_item_unlock ();
-
-       return count;
+       return InterlockedRead (&worker.work_items_count);
 }
 
 static void worker_request (void);
 
 void
-mono_threadpool_worker_enqueue (MonoThreadPoolWorkerCallback callback, gpointer data)
+mono_threadpool_worker_request (void)
 {
        if (!mono_refcount_tryinc (&worker))
                return;
 
-       work_item_push (callback, data);
+       work_item_push ();
 
        worker_request ();
 
@@ -435,7 +387,8 @@ worker_park (void)
        gboolean timeout = FALSE;
        gboolean interrupted = FALSE;
 
-       mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_THREADPOOL, "[%p] worker parking", mono_native_thread_id_get ());
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] worker parking",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 
        mono_coop_mutex_lock (&worker.parked_threads_lock);
 
@@ -478,8 +431,8 @@ done:
 
        mono_coop_mutex_unlock (&worker.parked_threads_lock);
 
-       mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_THREADPOOL, "[%p] worker unparking, timeout? %s interrupted? %s",
-               mono_native_thread_id_get (), timeout ? "yes" : "no", interrupted ? "yes" : "no");
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] worker unparking, timeout? %s interrupted? %s",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())), timeout ? "yes" : "no", interrupted ? "yes" : "no");
 
        return timeout;
 }
@@ -489,7 +442,8 @@ worker_try_unpark (void)
 {
        gboolean res = FALSE;
 
-       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try unpark worker", mono_native_thread_id_get ());
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try unpark worker",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 
        mono_coop_mutex_lock (&worker.parked_threads_lock);
        if (worker.parked_threads_count > 0) {
@@ -498,7 +452,8 @@ worker_try_unpark (void)
        }
        mono_coop_mutex_unlock (&worker.parked_threads_lock);
 
-       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try unpark worker, success? %s", mono_native_thread_id_get (), res ? "yes" : "no");
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try unpark worker, success? %s",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())), res ? "yes" : "no");
 
        return res;
 }
@@ -509,7 +464,8 @@ worker_thread (gpointer unused)
        MonoInternalThread *thread;
        ThreadPoolWorkerCounter counter;
 
-       mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_THREADPOOL, "[%p] worker starting", mono_native_thread_id_get ());
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] worker starting",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 
        if (!mono_refcount_tryinc (&worker))
                return 0;
@@ -523,12 +479,10 @@ worker_thread (gpointer unused)
        g_assert (thread);
 
        while (!mono_runtime_is_shutting_down ()) {
-               ThreadPoolWorkItem work_item;
-
                if (mono_thread_interruption_checkpoint ())
                        continue;
 
-               if (!work_item_try_pop (&work_item)) {
+               if (!work_item_try_pop ()) {
                        gboolean timeout;
 
                        timeout = worker_park ();
@@ -538,17 +492,18 @@ worker_thread (gpointer unused)
                        continue;
                }
 
-               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] worker executing %p (%p)",
-                       mono_native_thread_id_get (), work_item.callback, work_item.data);
+               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] worker executing",
+                       GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 
-               work_item.callback (work_item.data);
+               worker.callback ();
        }
 
        COUNTER_ATOMIC (counter, {
                counter._.working --;
        });
 
-       mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_THREADPOOL, "[%p] worker finishing", mono_native_thread_id_get ());
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] worker finishing",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 
        mono_refcount_dec (&worker);
 
@@ -569,7 +524,8 @@ worker_try_create (void)
 
        mono_coop_mutex_lock (&worker.worker_creation_lock);
 
-       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try create worker", mono_native_thread_id_get ());
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try create worker",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 
        current_ticks = mono_100ns_ticks ();
        if (0 == current_ticks) {
@@ -583,7 +539,7 @@ worker_try_create (void)
                        g_assert (worker.worker_creation_current_count <= WORKER_CREATION_MAX_PER_SEC);
                        if (worker.worker_creation_current_count == WORKER_CREATION_MAX_PER_SEC) {
                                mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try create worker, failed: maximum number of worker created per second reached, current count = %d",
-                                       mono_native_thread_id_get (), worker.worker_creation_current_count);
+                                       GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())), worker.worker_creation_current_count);
                                mono_coop_mutex_unlock (&worker.worker_creation_lock);
                                return FALSE;
                        }
@@ -593,7 +549,7 @@ worker_try_create (void)
        COUNTER_ATOMIC (counter, {
                if (counter._.working >= counter._.max_working) {
                        mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try create worker, failed: maximum number of working threads reached",
-                               mono_native_thread_id_get ());
+                               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
                        mono_coop_mutex_unlock (&worker.worker_creation_lock);
                        return FALSE;
                }
@@ -602,7 +558,8 @@ worker_try_create (void)
 
        thread = mono_thread_create_internal (mono_get_root_domain (), worker_thread, NULL, MONO_THREAD_CREATE_FLAGS_THREADPOOL, &error);
        if (!thread) {
-               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try create worker, failed: could not create thread due to %s", mono_native_thread_id_get (), mono_error_get_message (&error));
+               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try create worker, failed: could not create thread due to %s",
+                       GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())), mono_error_get_message (&error));
                mono_error_cleanup (&error);
 
                COUNTER_ATOMIC (counter, {
@@ -617,7 +574,7 @@ worker_try_create (void)
        worker.worker_creation_current_count += 1;
 
        mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] try create worker, created %p, now = %d count = %d",
-               mono_native_thread_id_get (), (gpointer) thread->tid, now, worker.worker_creation_current_count);
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())), (gpointer) thread->tid, now, worker.worker_creation_current_count);
 
        mono_coop_mutex_unlock (&worker.worker_creation_lock);
        return TRUE;
@@ -634,16 +591,19 @@ worker_request (void)
        monitor_ensure_running ();
 
        if (worker_try_unpark ()) {
-               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] request worker, unparked", mono_native_thread_id_get ());
+               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] request worker, unparked",
+                       GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
                return;
        }
 
        if (worker_try_create ()) {
-               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] request worker, created", mono_native_thread_id_get ());
+               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] request worker, created",
+                       GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
                return;
        }
 
-       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] request worker, failed", mono_native_thread_id_get ());
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] request worker, failed",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 }
 
 static gboolean
@@ -718,7 +678,8 @@ monitor_thread (gpointer unused)
 
        // printf ("monitor_thread: start\n");
 
-       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] monitor thread, started", mono_native_thread_id_get ());
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] monitor thread, started",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 
        do {
                ThreadPoolWorkerCounter counter;
@@ -781,12 +742,14 @@ monitor_thread (gpointer unused)
                                break;
 
                        if (worker_try_unpark ()) {
-                               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] monitor thread, unparked", mono_native_thread_id_get ());
+                               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] monitor thread, unparked",
+                                       GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
                                break;
                        }
 
                        if (worker_try_create ()) {
-                               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] monitor thread, created", mono_native_thread_id_get ());
+                               mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] monitor thread, created",
+                                       GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
                                break;
                        }
                }
@@ -794,7 +757,8 @@ monitor_thread (gpointer unused)
 
        // printf ("monitor_thread: stop\n");
 
-       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] monitor thread, finished", mono_native_thread_id_get ());
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] monitor thread, finished",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())));
 
        mono_refcount_dec (&worker);
        return 0;
@@ -840,7 +804,8 @@ hill_climbing_change_thread_count (gint16 new_thread_count, ThreadPoolHeuristicS
 
        hc = &worker.heuristic_hill_climbing;
 
-       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] hill climbing, change max number of threads %d", mono_native_thread_id_get (), new_thread_count);
+       mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] hill climbing, change max number of threads %d",
+               GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())), new_thread_count);
 
        hc->last_thread_count = new_thread_count;
        hc->current_sample_interval = rand_next (&hc->random_interval_generator, hc->sample_interval_low, hc->sample_interval_high);
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