Changeset 437 for trunk/kernel/syscalls/sys_munmap.c

Timestamp:

Mar 28, 2018, 2:40:29 PM (6 years ago)

Author:

alain

Message:

Fix various bugs

File:

• trunk/kernel/syscalls/sys_munmap.c (modified) (3 diffs)

trunk/kernel/syscalls/sys_munmap.c

@@ -3 +3 @@
  * 
  * Authors       Ghassan Almaless (2008,2009,2010,2011,2012)
- *               Alain Greiner (2016,2017)
+ *               Alain Greiner (2016,2017,2018)
  *
  * Copyright (c) UPMC Sorbonne Universites
@@ -40 +40 @@
     error_t       error;
 
-        uint32_t      tm_start;
-        uint32_t      tm_end;
-
-        tm_start = hal_get_cycles();
-
         thread_t    * this    = CURRENT_THREAD;
         process_t   * process = this->process;
+
+#if CONFIG_DEBUG_SYS_MUNMAP
+uint64_t tm_start;
+uint64_t tm_end;
+tm_start = hal_get_cycles();
+if( CONFIG_DEBUG_SYS_MUNMAP < tm_start )
+printk("\n[DBG] %s : thread %x enter / process %x / cycle %d\n"
+__FUNCTION__ , this, process->pid, (uint32_t)tm_start );
+#endif
 
     // call relevant kernel function
@@ -53 +57 @@
     if ( error )
     {
-        printk("\n[ERROR] in %s : cannot remove mapping\n", __FUNCTION__ );
+
+#if CONFIG_DEBUG_SYSCALLS_ERROR
+printk("\n[ERROR] in %s : cannot remove mapping\n", __FUNCTION__ );
+#endif
                 this->errno = EINVAL;
                 return -1;
     }
 
-    tm_end = hal_get_cycles();
+#if CONFIG_DEBUG_SYS_MUNMAP
+tm_end = hal_get_cycles();
+if( CONFIG_DEBUG_SYS_MUNMAP < tm_start )
+printk("\n[DBG] %s : thread %x exit / process %x / cycle %d\n"
+__FUNCTION__ , this, process->pid, (uint32_t)tm_end );
+#endif
 
-syscall_dmsg("\n[DBG] %s : core[%x,%d] removed vseg in process %x / cycle %d\n"
-"      base = %x / size = %x / cost = %d\n",
-__FUNCTION__, local_cxy , this->core->lid , process->pid , tm_start ,
-vaddr , size , tm_end - tm_start );
+    return 0;
 
-        return 0;
+}  // end sys_munmap()
 
-}  // end sys_mmap()
-