+/*
+ * test_cycles_per_loop.c
+ *
+ * Userspace RCU library - test cycles per loop
+ *
+ * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
#include <urcu/arch.h>
#include <stdio.h>
static inline void loop_sleep(unsigned long l)
{
while(l-- != 0)
- cpu_relax();
+ caa_cpu_relax();
}
int main()
{
cycles_t time1, time2;
- time1 = get_cycles();
+ time1 = caa_get_cycles();
loop_sleep(NR_LOOPS);
- time2 = get_cycles();
+ time2 = caa_get_cycles();
printf("CPU clock cycles per loop: %g\n", (time2 - time1) /
(double)NR_LOOPS);
+ return 0;
}