Changeset 416 for trunk/kernel/syscalls/sys_fork.c

Timestamp:

Jan 4, 2018, 10:05:47 AM (6 years ago)

Author:

alain

Message:

Improve sys_exec.

File:

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

trunk/kernel/syscalls/sys_fork.c

@@ -56 +56 @@
         error_t           error;
     
-        uint64_t          tm_start;
-        uint64_t          tm_end;
-
-        tm_start = hal_get_cycles();
 
     // get pointers on local parent process and thread
@@ -67 +63 @@
     parent_pid         = parent_process_ptr->pid;
 
-fork_dmsg("\n[DBG] %s : core[%x,%d] parent process %x enters / cycle %d\n",
-__FUNCTION__, local_cxy, parent_thread_ptr->core->lid, parent_pid, (uint32_t)tm_start );
+#if CONFIG_SYSCALL_DEBUG
+uint64_t          tm_start;
+uint64_t          tm_end;
+tm_start = hal_get_cycles();
+printk("\n[DBG] %s : core[%x,%d] enter / process %x / cycle =  %d\n",
+__FUNCTION__, local_cxy, parent_thread_ptr->core->lid, parent_pid, 
+(uint32_t)tm_start );
+#endif
 
     // get infos on reference process
@@ -146 +148 @@
         thread_unblock( XPTR( target_cxy , child_thread_ptr ) , THREAD_BLOCKED_GLOBAL );
 
-        tm_end = hal_get_cycles();
-
-fork_dmsg("\n[DBG] %s : core[%x,%d] parent_process %x exit / cycle %d\n"
-"     child_process %x / child_thread = %x / cost = %d\n",
-__FUNCTION__, local_cxy, parent_thread_ptr->core->lid,  parent_pid, (uint32_t)tm_end,
-child_pid, child_thread_ptr->trdid , (uint32_t)(tm_end - tm_start) );
+#if CONFIG_SYSCALL_DEBUG
+tm_end = hal_get_cycles();
+printk("\n[DBG] %s : core[%x,%d] parent_process %x exit / cost = %d\n",
+__FUNCTION__, local_cxy, parent_thread_ptr->core->lid,  parent_pid, 
+(uint32_t)(tm_end - tm_start) );
+#endif
 
         return child_pid;
@@ -158 +160 @@
     {
 
-        tm_end = hal_get_cycles();
-
-fork_dmsg("\n[DBG] %s : core[%x,%d] child process %x exit / cycle %d\n",
-__FUNCTION__, local_cxy, parent_thread_ptr->core->lid, child_pid, (uint32_t)tm_end );
+#if CONFIG_SYSCALL_DEBUG
+tm_end = hal_get_cycles();
+printk("\n[DBG] %s : core[%x,%d] child process %x exit / cost =  %d\n",
+__FUNCTION__, local_cxy, parent_thread_ptr->core->lid, child_pid, 
+(uint32_t)(tm_end - tm_start) );
+#endif
 
         return 0;