/* Timing variables for measuring compiler performance.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2004, 2005, 2006, 2009 Free Software
+ Foundation, Inc.
Contributed by Alex Samuel <samuel@codesourcery.com>
-This file is part of GCC.
+ 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 3 of the License, or
+ (at your option) any later version.
-GCC 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, 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.
-GCC 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, see <http://www.gnu.org/licenses/>. */
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+#include <config.h>
#if IN_GCC
-/* These are the original includes --akim. */
-#include "config.h"
#include "system.h"
#include "intl.h"
#include "rtl.h"
#else
-/* These are my replacements by hand --akim.
- There is another change below, flag with IN_GCC. */
+/* This source file is taken from the GCC source code, with slight
+ modifications that are under control of the IN_GCC preprocessor
+ variable. The !IN_GCC part of this file is specific to Bison. */
+
# include "../src/system.h"
-int time_report = 0;
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# endif
+int timevar_report = 0;
#endif
#endif
#if defined HAVE_DECL_GETRUSAGE && !HAVE_DECL_GETRUSAGE
-extern int getrusage PARAMS ((int, struct rusage *));
+extern int getrusage (int, struct rusage *);
#endif
#if defined HAVE_DECL_TIMES && !HAVE_DECL_TIMES
-extern clock_t times PARAMS ((struct tms *));
+extern clock_t times (struct tms *);
#endif
#if defined HAVE_DECL_CLOCK && !HAVE_DECL_CLOCK
-extern clock_t clock PARAMS ((void));
+extern clock_t clock (void);
#endif
#ifndef RUSAGE_SELF
_constants_ variable at run time, anyway? */
#ifdef USE_TIMES
static float ticks_to_msec;
-#define TICKS_TO_MSEC (1 / (float)TICKS_PER_SECOND)
+#define TICKS_TO_MSEC (1.0 / TICKS_PER_SECOND)
#endif
#ifdef USE_CLOCK
static float clocks_to_msec;
-#define CLOCKS_TO_MSEC (1 / (float)CLOCKS_PER_SEC)
+#define CLOCKS_TO_MSEC (1.0 / CLOCKS_PER_SEC)
#endif
#if IN_GCC
/* See timevar.h for an explanation of timing variables. */
-/* This macro evaluates to non-zero if timing variables are enabled. */
-#define TIMEVAR_ENABLE (time_report)
+/* This macro evaluates to nonzero if timing variables are enabled. */
+#define TIMEVAR_ENABLE (timevar_report)
/* A timing variable. */
element. */
static struct timevar_time_def start_time;
-static void get_time
- PARAMS ((struct timevar_time_def *));
-static void timevar_accumulate
- PARAMS ((struct timevar_time_def *, struct timevar_time_def *,
- struct timevar_time_def *));
+static void get_time (struct timevar_time_def *);
+static void timevar_accumulate (struct timevar_time_def *,
+ struct timevar_time_def *,
+ struct timevar_time_def *);
/* Fill the current times into TIME. The definition of this function
also defines any or all of the HAVE_USER_TIME, HAVE_SYS_TIME, and
- HAVA_WALL_TIME macros. */
+ HAVE_WALL_TIME macros. */
static void
get_time (now)
{
#ifdef USE_TIMES
struct tms tms;
- now->wall = times (&tms) * ticks_to_msec;
+ now->wall = times (&tms) * ticks_to_msec;
+#if IN_GCC
+ now->user = tms.tms_utime * ticks_to_msec;
+ now->sys = tms.tms_stime * ticks_to_msec;
+#else
now->user = (tms.tms_utime + tms.tms_cutime) * ticks_to_msec;
now->sys = (tms.tms_stime + tms.tms_cstime) * ticks_to_msec;
#endif
+#endif
#ifdef USE_GETRUSAGE
struct rusage rusage;
+#if IN_GCC
getrusage (RUSAGE_SELF, &rusage);
+#else
+ getrusage (RUSAGE_CHILDREN, &rusage);
+#endif
now->user = rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec * 1e-6;
now->sys = rusage.ru_stime.tv_sec + rusage.ru_stime.tv_usec * 1e-6;
- getrusage (RUSAGE_CHILDREN, &rusage);
- now->user += rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec * 1e-6;
- now->sys += rusage.ru_stime.tv_sec + rusage.ru_stime.tv_usec * 1e-6;
#endif
#ifdef USE_CLOCK
now->user = clock () * clocks_to_msec;
}
}
-/* Add the difference between STOP_TIME and START_TIME to TIMER. */
+/* Add the difference between STOP and START to TIMER. */
static void
-timevar_accumulate (timer, start_time, stop_time)
- struct timevar_time_def *timer;
- struct timevar_time_def *start_time;
- struct timevar_time_def *stop_time;
+timevar_accumulate (timer, start, stop)
+ struct timevar_time_def *timer;
+ struct timevar_time_def *start;
+ struct timevar_time_def *stop;
{
- timer->user += stop_time->user - start_time->user;
- timer->sys += stop_time->sys - start_time->sys;
- timer->wall += stop_time->wall - start_time->wall;
+ timer->user += stop->user - start->user;
+ timer->sys += stop->sys - start->sys;
+ timer->wall += stop->wall - start->wall;
}
/* Initialize timing variables. */
FILE *fp;
{
/* Only print stuff if we have some sort of time information. */
-#if defined (HAVE_USER_TIME) || defined (HAVE_SYS_TIME) || defined (HAVE_WALL_TIME)
+#if defined HAVE_USER_TIME || defined HAVE_SYS_TIME || defined HAVE_WALL_TIME
unsigned int /* timevar_id_t */ id;
struct timevar_time_def *total = &timevars[TV_TOTAL].elapsed;
struct timevar_time_def now;
continue;
/* Don't print timing variables if we're going to get a row of
- zeroes. */
+ zeroes. */
if (tv->elapsed.user < tiny
&& tv->elapsed.sys < tiny
&& tv->elapsed.wall < tiny)
fprintf (stderr,
_("time in %s: %ld.%06ld (%ld%%)\n"),
str, total / 1000000, total % 1000000,
- all_time == 0 ? 0
- : (long) (((100.0 * (double) total) / (double) all_time) + .5));
+ all_time == 0 ? 0
+ : (long) (((100.0 * (double) total) / (double) all_time) + .5));
}
projects / bison.git / blobdiff