--- /dev/null
+/* Copyright (c) 2010-2020. 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. */
+
+#include "simgrid/actor.h"
+#include "simgrid/engine.h"
+#include "simgrid/host.h"
+
+#include "xbt/asserts.h"
+#include "xbt/log.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(exec_basic, "Messages specific for this example");
+
+static void executor(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
+{
+ /* sg_actor_self_execute() tells SimGrid to pause the calling actor
+ * until its host has computed the amount of flops passed as a parameter */
+ sg_actor_execute(98095);
+ XBT_INFO("Done.");
+
+ /* This simple example does not do anything beyond that */
+}
+
+static void privileged(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
+{
+ /* sg_actor_self_execute_with_priority() specifies that this execution gets a larger share of the resource.
+ *
+ * Since the priority is 2, it computes twice as fast as a regular one.
+ *
+ * So instead of a half/half sharing between the two executions,
+ * we get a 1/3 vs 2/3 sharing. */
+ sg_actor_execute_with_priority(98095, 2);
+ XBT_INFO("Done.");
+
+ /* Note that the timings printed when executing this example are a bit misleading,
+ * because the uneven sharing only last until the privileged actor ends.
+ * After this point, the unprivileged one gets 100% of the CPU and finishes
+ * quite quickly. */
+}
+
+int main(int argc, char* argv[])
+{
+ simgrid_init(&argc, argv);
+ xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s ../platforms/small_platform.xml\n", argv[0], argv[0]);
+
+ simgrid_load_platform(argv[1]);
+
+ sg_actor_create("executor", sg_host_by_name("Tremblay"), executor, 0, NULL);
+ sg_actor_create("privileged", sg_host_by_name("Tremblay"), privileged, 0, NULL);
+
+ simgrid_run();
+
+ return 0;
+}
