Changeset 637 for trunk/kernel/syscalls/sys_thread_wakeup.c

Timestamp:

Jul 18, 2019, 2:06:55 PM (5 years ago)

Author:

alain

Message:

Introduce the non-standard pthread_parallel_create() system call
and re-write the <fft> and <sort> applications to improve the
intrinsic paralelism in applications.

File:

• trunk/kernel/syscalls/sys_thread_wakeup.c (modified) (4 diffs)

trunk/kernel/syscalls/sys_thread_wakeup.c

@@ -1 +1 @@
 /*
- * sys_thread_wakeup.c - wakeup all indicated threads
+ * sys_thread_wakeup.c - wakeup indicated thread
  * 
- * Author    Alain Greiner (2016,2017)
+ * Author    Alain Greiner (2016,2017,2018,2019)
  *
  * Copyright (c) UPMC Sorbonne Universites
@@ -36 +36 @@
     process_t * process = this->process;
 
+#if (DEBUG_SYS_THREAD_WAKEUP || CONFIG_INSTRUMENTATION_SYSCALLS)
+uint64_t     tm_start = hal_get_cycles();
+#endif
+
 #if DEBUG_SYS_THREAD_WAKEUP
-uint64_t     tm_start;
-uint64_t     tm_end;
-tm_start = hal_get_cycles();
 if( DEBUG_SYS_THREAD_WAKEUP < tm_start )
-printk("\n[DBG] %s : thread %x in process enter to activate thread %x / cycle %d\n",
+printk("\n[%s] thread %x in process enter to activate thread %x / cycle %d\n",
 __FUNCTION__, this->trdid, process->pid, trdid, (uint32_t)tm_start );
 #endif
@@ -50 +51 @@
 
     // check trdid argument
-        if( (target_ltid >= CONFIG_THREADS_MAX_PER_CLUSTER) || cluster_is_undefined( target_cxy ) )  
+        if( (target_ltid >= CONFIG_THREADS_MAX_PER_CLUSTER) ||
+        (cluster_is_active( target_cxy ) == false) )  
         {
 
@@ -78 +80 @@
     thread_unblock( thread_xp , THREAD_BLOCKED_GLOBAL );
 
+#if (DEBUG_SYS_THREAD_WAKEUP || CONFIG_INSTRUMENTATION_SYSCALLS)
+uint64_t     tm_end = hal_get_cycles();
+#endif
+
+
 #if DEBUG_SYS_THREAD_WAKEUP
-tm_end = hal_get_cycles();
 if( DEBUG_SYS_THREAD_WAKEUP < tm_end )
-printk("\n[DBG] %s : thread %x in process %x exit / thread %x activated / cycle %d\n",
+printk("\n[%s] thread %x in process %x exit / thread %x activated / cycle %d\n",
 __FUNCTION__ , this->trdid, process->pid, trdid, (uint32_t)tm_end );
+#endif
+
+#if CONFIG_INSTRUMENTATION_SYSCALLS
+hal_atomic_add( &syscalls_cumul_cost[SYS_THREAD_WAKEUP] , tm_end - tm_start );
+hal_atomic_add( &syscalls_occurences[SYS_THREAD_WAKEUP] , 1 );
 #endif