Changeset 580 for trunk/kernel/libk

Timestamp:

Oct 8, 2018, 11:31:42 AM (6 years ago)

Author:

alain

Message:

1) Register the kernel process in the cluster manager local list.
2) Introduce a new service in idbg : display the set of busylocks taken by a given thread.

Location:

trunk/kernel/libk

Files:

• busylock.c (modified) (3 diffs)
• remote_busylock.c (modified) (3 diffs)

trunk/kernel/libk/busylock.c

@@ -77 +77 @@
 #if DEBUG_BUSYLOCK
 if( (lock->type != LOCK_CHDEV_TXT0) && 
-    (XPTR( local_cxy , this ) == DEBUG_BUSYLOCK_THREAD_XP) &&
     ((uint32_t)hal_get_cycles() > DEBUG_BUSYLOCK) )
 {
@@ -84 +83 @@
     // update thread list of busylocks
     xlist_add_last( root_xp , XPTR( local_cxy , &lock->xlist ) );
+}
+#endif
 
-    // display list of taken locks for the selected thread
-    thread_display_busylocks( lock->type , true );
+#if( DEBUG_BUSYLOCK && DEBUG_BUSYLOCK_THREAD_XP )
+if( (lock->type != LOCK_CHDEV_TXT0) && 
+    (XPTR( local_cxy , this ) == DEBUG_BUSYLOCK_THREAD_XP) )
+{
+    // get cluster and local pointer of target thread
+    cxy_t      thread_cxy = GET_CXY( DEBUG_BUSYLOCK_THREAD_XP );
+    thread_t * thread_ptr = GET_PTR( DEBUG_BUSYLOCK_THREAD_XP );
+
+    // display message on kernel TXT0
+    printk("\n### thread [%x,%x] ACQUIRE lock %s\n",
+    thread_cxy, thread_ptr, lock_type_str[lock->type] );
 }
 #endif
@@ -111 +121 @@
 #if DEBUG_BUSYLOCK
 if( (lock->type != LOCK_CHDEV_TXT0) && 
-    (XPTR( local_cxy , this ) == DEBUG_BUSYLOCK_THREAD_XP) &&
     ((uint32_t)hal_get_cycles() > DEBUG_BUSYLOCK) )
 {
     // remove lock from thread list of busylocks
     xlist_unlink( XPTR( local_cxy , &lock->xlist ) );
+}
+#endif
 
-    // display list of taken locks for the selected thread
-    thread_display_busylocks( lock->type , false );
+#if( DEBUG_BUSYLOCK && DEBUG_BUSYLOCK_THREAD_XP )
+if( (lock->type != LOCK_CHDEV_TXT0) && 
+    (XPTR( local_cxy , this ) == DEBUG_BUSYLOCK_THREAD_XP) )
+{
+    // get cluster and local pointer of target thread
+    cxy_t      thread_cxy = GET_CXY( DEBUG_BUSYLOCK_THREAD_XP );
+    thread_t * thread_ptr = GET_PTR( DEBUG_BUSYLOCK_THREAD_XP );
+
+    // display message on kernel TXT0
+    printk("\n### thread [%x,%x] RELEASE lock %s\n",
+    thread_cxy, thread_ptr, lock_type_str[lock->type] );
 }
 #endif

trunk/kernel/libk/remote_busylock.c

@@ -88 +88 @@
 uint32_t type = hal_remote_l32( XPTR( lock_cxy , &lock_ptr->type ) );
 if( (type != LOCK_CHDEV_TXT0) &&
-    (XPTR( local_cxy , this ) == DEBUG_BUSYLOCK_THREAD_XP) &&
     ((uint32_t)hal_get_cycles() > DEBUG_BUSYLOCK) )
 {
@@ -95 +94 @@
     // update thread list of busyslocks
     xlist_add_last( root_xp , XPTR( lock_cxy  , &lock_ptr->xlist ) );
+}
+#endif
 
-    // display busylocks for the selected thread (acquire)
-    thread_display_busylocks( type , true ); 
+#if( DEBUG_BUSYLOCK && DEBUG_BUSYLOCK_THREAD_XP )
+if( (type != LOCK_CHDEV_TXT0) && 
+    (XPTR( local_cxy , this ) == DEBUG_BUSYLOCK_THREAD_XP) )
+{
+    // get cluster and local pointer of target thread
+    cxy_t      thread_cxy = GET_CXY( DEBUG_BUSYLOCK_THREAD_XP );
+    thread_t * thread_ptr = GET_PTR( DEBUG_BUSYLOCK_THREAD_XP );
+
+    // display message on kernel TXT0
+    printk("\n### thread [%x,%x] ACQUIRE lock %s\n",
+    thread_cxy, thread_ptr, lock_type_str[type] );
 }
 #endif
@@ -132 +142 @@
     // remove lock from thread list of busyslocks
     xlist_unlink( XPTR( lock_cxy  , &lock_ptr->xlist ) );
+}
+#endif
 
-    // display busylocks for the selected thread (release)
-    thread_display_busylocks( type , false );   
+#if (DEBUG_BUSYLOCK && DEBUG_BUSYLOCK_THREAD_XP )
+if( (type != LOCK_CHDEV_TXT0) && 
+    (XPTR( local_cxy , this ) == DEBUG_BUSYLOCK_THREAD_XP) )
+{
+    // get cluster and local pointer of target thread
+    cxy_t      thread_cxy = GET_CXY( DEBUG_BUSYLOCK_THREAD_XP );
+    thread_t * thread_ptr = GET_PTR( DEBUG_BUSYLOCK_THREAD_XP );
+
+    // display message on kernel TXT0
+    printk("\n### thread [%x,%x] RELEASE lock %s\n",
+    thread_cxy, thread_ptr, lock_type_str[type] );
 }
 #endif