Add a high accuracy timer for MIPS.

This commit was SVN r19974.

opal/include/opal/sys/mips/Makefile.am

@@ -2,7 +2,7 @@
 # Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 #                         University Research and Technology
 #                         Corporation.  All rights reserved.
-# Copyright (c) 2004-2005 The University of Tennessee and The University
+# Copyright (c) 2004-2008 The University of Tennessee and The University
 #                         of Tennessee Research Foundation.  All rights
 #                         reserved.
 # Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
@@ -19,5 +19,6 @@
 # This makefile.am does not stand on its own - it is included from opal/include/Makefile.am
 
 headers += \
-	opal/sys/mips/atomic.h
+	opal/sys/mips/atomic.h \
+	opal/sys/mips/timer.h
 

opal/include/opal/sys/mips/timer.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2008      The University of Tennessee and The University
+ *                         of Tennessee Research Foundation.  All rights
+ *                         reserved.
+ * $COPYRIGHT$
+ * 
+ * Additional copyrights may follow
+ * 
+ * $HEADER$
+ */
+
+#ifndef OMPI_SYS_ARCH_TIMER_H
+#define OMPI_SYS_ARCH_TIMER_H 1
+
+#include <sys/times.h>
+
+typedef uint64_t opal_timer_t;
+
+static inline opal_timer_t
+opal_sys_timer_get_cycles(void)
+{
+    opal_timer_t ret;
+    struct tms accurate_clock;
+
+    times(&accurate_clock);
+    ret = accurate_clock.tms_utime + accurate_clock.tms_stime;
+
+    return ret;
+}
+
+#define OPAL_HAVE_SYS_TIMER_GET_CYCLES 1
+
+#endif /* ! OMPI_SYS_ARCH_TIMER_H */

opal/include/opal/sys/timer.h

@@ -95,6 +95,8 @@ extern "C" {
 #include "opal/sys/sparcv9/timer.h"
 #elif OMPI_ASSEMBLY_ARCH == OMPI_WINDOWS
 #include "opal/sys/win32/timer.h"
+#elif OMPI_ASSEMBLY_ARCH == OMPI_MIPS
+#include "opal/sys/mips/timer.h"
 #endif
 
 #ifndef DOXYGEN