X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/dff9e15c44ab6340d27215957c56fa72fad246a2..488566dad1ae2b42f26a8e291824ff9b16a976f7:/src/gras/Virtu/sg_emul.c

diff --git a/src/gras/Virtu/sg_emul.c b/src/gras/Virtu/sg_emul.c
index 05445527c9..4734db03c5 100644
--- a/src/gras/Virtu/sg_emul.c
+++ b/src/gras/Virtu/sg_emul.c
@@ -1,8 +1,7 @@
-/* $Id$ */
-
 /* sg_emul - Emulation support (simulation)                                 */
 
-/* Copyright (c) 2003-5 Arnaud Legrand, Martin Quinson. All rights reserved.*/
+/* Copyright (c) 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -18,6 +17,31 @@
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_virtu_emul, gras_virtu,
                                 "Emulation support");
+/*** CPU burning */
+void gras_cpu_burn(double flops)
+{
+  smx_action_t act;
+  smx_cond_t cond;
+  smx_mutex_t mutex;
+
+  if (flops > 0) {
+    cond = SIMIX_cond_init();
+    mutex = SIMIX_mutex_init();
+
+    SIMIX_mutex_lock(mutex);
+    act = SIMIX_action_execute(SIMIX_host_self(), "task", flops);
+
+    SIMIX_register_action_to_condition(act, cond);
+    SIMIX_cond_wait(cond, mutex);
+    SIMIX_unregister_action_to_condition(act, cond);
+
+    SIMIX_action_destroy(act);
+    SIMIX_mutex_unlock(mutex);
+
+    SIMIX_cond_destroy(cond);
+    SIMIX_mutex_destroy(mutex);
+  }
+}
 
 /*** Timing macros ***/
 static xbt_os_timer_t timer;
@@ -77,31 +101,12 @@ int gras_bench_always_begin(const char *location, int line)
 
 int gras_bench_always_end(void)
 {
-  smx_action_t act;
-  smx_cond_t cond;
-  smx_mutex_t mutex;
-
   xbt_assert0(benchmarking, "Not benchmarking yet");
   benchmarking = 0;
   xbt_os_timer_stop(timer);
   duration = xbt_os_timer_elapsed(timer);
 
-  cond = SIMIX_cond_init();
-  mutex = SIMIX_mutex_init();
-
-  SIMIX_mutex_lock(mutex);
-  act =
-    SIMIX_action_execute(SIMIX_host_self(), "task", (duration) / reference);
-
-  SIMIX_register_action_to_condition(act, cond);
-  SIMIX_cond_wait(cond, mutex);
-  SIMIX_unregister_action_to_condition(act, cond);
-
-  SIMIX_action_destroy(act);
-  SIMIX_mutex_unlock(mutex);
-
-  SIMIX_cond_destroy(cond);
-  SIMIX_mutex_destroy(mutex);
+  gras_cpu_burn(duration / reference);
 
   return 0;
 }
@@ -132,10 +137,6 @@ int gras_bench_once_begin(const char *location, int line)
 
 int gras_bench_once_end(void)
 {
-  smx_action_t act;
-  smx_cond_t cond;
-  smx_mutex_t mutex;
-
   xbt_assert0(benchmarking, "Not benchmarking yet");
   benchmarking = 0;
   if (duration > 0) {
@@ -146,22 +147,7 @@ int gras_bench_once_end(void)
     duration = get_from_dict(benchmark_set, locbuf);
   }
   DEBUG2("Simulate the run of a task of %f sec for %s", duration, locbuf);
-  cond = SIMIX_cond_init();
-  mutex = SIMIX_mutex_init();
-
-  SIMIX_mutex_lock(mutex);
-  act =
-    SIMIX_action_execute(SIMIX_host_self(), "task", (duration) / reference);
-
-  SIMIX_register_action_to_condition(act, cond);
-  SIMIX_cond_wait(cond, mutex);
-  SIMIX_unregister_action_to_condition(act, cond);
-
-  SIMIX_action_destroy(act);
-  SIMIX_mutex_unlock(mutex);
-
-  SIMIX_cond_destroy(cond);
-  SIMIX_mutex_destroy(mutex);
+  gras_cpu_burn(duration / reference);
   return 0;
 }