/* Timing variables for measuring compiler performance.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2003, 2004 Free Software Foundation, Inc.
Contributed by Alex Samuel <samuel@codesourcery.com>
- This file is part of GCC.
+This file is part of GCC.
- 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.
+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.
- 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.
+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 GCC; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+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"
#include "system.h"
-#include "intl.h"
-
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
+#include "coretypes.h"
+#include "tm.h"
+#include "intl.h"
+#include "rtl.h"
+#include "toplev.h"
#ifndef HAVE_CLOCK_T
typedef int clock_t;
};
#endif
-#if defined HAVE_DECL_GETRUSAGE && !HAVE_DECL_GETRUSAGE
-extern int getrusage PARAMS ((int, struct rusage *));
-#endif
-#if defined HAVE_DECL_TIMES && !HAVE_DECL_TIMES
-extern clock_t times PARAMS ((struct tms *));
-#endif
-#if defined HAVE_DECL_CLOCK && !HAVE_DECL_CLOCK
-extern clock_t clock PARAMS ((void));
-#endif
-
#ifndef RUSAGE_SELF
# define RUSAGE_SELF 0
#endif
/* Prefer times to getrusage to clock (each gives successively less
information). */
#ifdef HAVE_TIMES
+# if defined HAVE_DECL_TIMES && !HAVE_DECL_TIMES
+ extern clock_t times (struct tms *);
+# endif
# define USE_TIMES
# define HAVE_USER_TIME
# define HAVE_SYS_TIME
# define HAVE_WALL_TIME
#else
#ifdef HAVE_GETRUSAGE
+# if defined HAVE_DECL_GETRUSAGE && !HAVE_DECL_GETRUSAGE
+ extern int getrusage (int, struct rusage *);
+# endif
# define USE_GETRUSAGE
# define HAVE_USER_TIME
# define HAVE_SYS_TIME
#else
#ifdef HAVE_CLOCK
+# if defined HAVE_DECL_CLOCK && !HAVE_DECL_CLOCK
+ extern clock_t clock (void);
+# endif
# define USE_CLOCK
# define HAVE_USER_TIME
#endif
precompute them. Whose wonderful idea was it to make all those
_constants_ variable at run time, anyway? */
#ifdef USE_TIMES
-static float ticks_to_msec;
-#define TICKS_TO_MSEC (1 / (float)TICKS_PER_SECOND)
+static double ticks_to_msec;
+#define TICKS_TO_MSEC (1 / (double)TICKS_PER_SECOND)
#endif
#ifdef USE_CLOCK
-static float clocks_to_msec;
-#define CLOCKS_TO_MSEC (1 / (float)CLOCKS_PER_SEC)
+static double clocks_to_msec;
+#define CLOCKS_TO_MSEC (1 / (double)CLOCKS_PER_SEC)
#endif
#include "flags.h"
#include "timevar.h"
-/* See timevar.h for an explanation of timing variables. */
+static bool timevar_enable;
-/* This macro evaluates to non-zero if timing variables are enabled. */
-#define TIMEVAR_ENABLE (time_report)
+/* See timevar.h for an explanation of timing variables. */
/* A timing variable. */
/* The name of this timing variable. */
const char *name;
- /* Non-zero if this timing variable is running as a standalone
+ /* Nonzero if this timing variable is running as a standalone
timer. */
unsigned standalone : 1;
- /* Non-zero if this timing variable was ever started or pushed onto
+ /* Nonzero if this timing variable was ever started or pushed onto
the timing stack. */
unsigned used : 1;
};
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)
- struct timevar_time_def *now;
+get_time (struct timevar_time_def *now)
{
now->user = 0;
now->sys = 0;
now->wall = 0;
- if (!TIMEVAR_ENABLE)
+ if (!timevar_enable)
return;
{
/* Add the difference between STOP_TIME and START_TIME 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;
+static void
+timevar_accumulate (struct timevar_time_def *timer,
+ struct timevar_time_def *start_time,
+ struct timevar_time_def *stop_time)
{
timer->user += stop_time->user - start_time->user;
timer->sys += stop_time->sys - start_time->sys;
/* Initialize timing variables. */
void
-init_timevar ()
+timevar_init (void)
{
- if (!TIMEVAR_ENABLE)
- return;
+ timevar_enable = true;
/* Zero all elapsed times. */
- memset ((void *) timevars, 0, sizeof (timevars));
+ memset (timevars, 0, sizeof (timevars));
/* Initialize the names of timing variables. */
-#define DEFTIMEVAR(identifer__, name__) \
- timevars[identifer__].name = name__;
+#define DEFTIMEVAR(identifier__, name__) \
+ timevars[identifier__].name = name__;
#include "timevar.def"
#undef DEFTIMEVAR
/* Push TIMEVAR onto the timing stack. No further elapsed time is
attributed to the previous topmost timing variable on the stack;
subsequent elapsed time is attributed to TIMEVAR, until it is
- popped or another element is pushed on top.
+ popped or another element is pushed on top.
TIMEVAR cannot be running as a standalone timer. */
void
-timevar_push (timevar)
- timevar_id_t timevar;
+timevar_push (timevar_id_t timevar)
{
struct timevar_def *tv = &timevars[timevar];
struct timevar_stack_def *context;
struct timevar_time_def now;
- if (!TIMEVAR_ENABLE)
+ if (!timevar_enable)
return;
/* Mark this timing variable as used. */
/* See if we have a previously-allocated stack instance. If so,
take it off the list. If not, malloc a new one. */
- if (unused_stack_instances != NULL)
+ if (unused_stack_instances != NULL)
{
context = unused_stack_instances;
unused_stack_instances = unused_stack_instances->next;
}
else
- context = (struct timevar_stack_def *)
- xmalloc (sizeof (struct timevar_stack_def));
+ context = xmalloc (sizeof (struct timevar_stack_def));
/* Fill it in and put it on the stack. */
context->timevar = tv;
timing variable. */
void
-timevar_pop (timevar)
- timevar_id_t timevar;
+timevar_pop (timevar_id_t timevar)
{
struct timevar_time_def now;
struct timevar_stack_def *popped = stack;
- if (!TIMEVAR_ENABLE)
+ if (!timevar_enable)
return;
if (&timevars[timevar] != stack->timevar)
- abort ();
+ {
+ sorry ("cannot timevar_pop '%s' when top of timevars stack is '%s'",
+ timevars[timevar].name, stack->timevar->name);
+ abort ();
+ }
/* What time is it? */
get_time (&now);
attributed to TIMEVAR. */
void
-timevar_start (timevar)
- timevar_id_t timevar;
+timevar_start (timevar_id_t timevar)
{
struct timevar_def *tv = &timevars[timevar];
- if (!TIMEVAR_ENABLE)
+ if (!timevar_enable)
return;
/* Mark this timing variable as used. */
is attributed to it. */
void
-timevar_stop (timevar)
- timevar_id_t timevar;
+timevar_stop (timevar_id_t timevar)
{
struct timevar_def *tv = &timevars[timevar];
struct timevar_time_def now;
- if (!TIMEVAR_ENABLE)
+ if (!timevar_enable)
return;
/* TIMEVAR must have been started via timevar_start. */
update-to-date information even if TIMEVAR is currently running. */
void
-timevar_get (timevar, elapsed)
- timevar_id_t timevar;
- struct timevar_time_def *elapsed;
+timevar_get (timevar_id_t timevar, struct timevar_time_def *elapsed)
{
struct timevar_def *tv = &timevars[timevar];
struct timevar_time_def now;
*elapsed = tv->elapsed;
-
+
/* Is TIMEVAR currently running as a standalone timer? */
if (tv->standalone)
{
for normalizing the others, and is displayed last. */
void
-timevar_print (fp)
- FILE *fp;
+timevar_print (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)
struct timevar_time_def *total = &timevars[TV_TOTAL].elapsed;
struct timevar_time_def now;
- if (!TIMEVAR_ENABLE)
+ if (!timevar_enable)
return;
/* Update timing information in case we're calling this from GDB. */
for (id = 0; id < (unsigned int) TIMEVAR_LAST; ++id)
{
struct timevar_def *tv = &timevars[(timevar_id_t) id];
- const float tiny = 5e-3;
+ const double tiny = 5e-3;
/* Don't print the total execution time here; that goes at the
end. */
#ifdef HAVE_USER_TIME
/* Print user-mode time for this process. */
- fprintf (fp, "%7.2f (%2.0f%%) usr",
+ fprintf (fp, "%7.2f (%2.0f%%) usr",
tv->elapsed.user,
(total->user == 0 ? 0 : tv->elapsed.user / total->user) * 100);
#endif /* HAVE_USER_TIME */
#ifdef HAVE_SYS_TIME
/* Print system-mode time for this process. */
- fprintf (fp, "%7.2f (%2.0f%%) sys",
+ fprintf (fp, "%7.2f (%2.0f%%) sys",
tv->elapsed.sys,
(total->sys == 0 ? 0 : tv->elapsed.sys / total->sys) * 100);
#endif /* HAVE_SYS_TIME */
#ifdef HAVE_WALL_TIME
/* Print wall clock time elapsed. */
- fprintf (fp, "%7.2f (%2.0f%%) wall",
+ fprintf (fp, "%7.2f (%2.0f%%) wall",
tv->elapsed.wall,
(total->wall == 0 ? 0 : tv->elapsed.wall / total->wall) * 100);
#endif /* HAVE_WALL_TIME */
fputs (_(" TOTAL :"), fp);
#ifdef HAVE_USER_TIME
fprintf (fp, "%7.2f ", total->user);
-#endif
+#endif
#ifdef HAVE_SYS_TIME
fprintf (fp, "%7.2f ", total->sys);
#endif
#ifdef HAVE_WALL_TIME
fprintf (fp, "%7.2f\n", total->wall);
#endif
-
-#endif /* defined (HAVE_USER_TIME) || defined (HAVE_SYS_TIME)
- || defined (HAVE_WALL_TIME) */
-}
-/* Returns time (user + system) used so far by the compiler process,
- in microseconds. */
+#ifdef ENABLE_CHECKING
+ fprintf (fp, "Extra diagnostic checks enabled; compiler may run slowly.\n");
+ fprintf (fp, "Configure with --disable-checking to disable checks.\n");
+#endif
-long
-get_run_time ()
-{
- struct timevar_time_def total_elapsed;
- timevar_get (TV_TOTAL, &total_elapsed);
- return total_elapsed.user + total_elapsed.sys;
+#endif /* defined (HAVE_USER_TIME) || defined (HAVE_SYS_TIME)
+ || defined (HAVE_WALL_TIME) */
}
/* Prints a message to stderr stating that time elapsed in STR is
TOTAL (given in microseconds). */
void
-print_time (str, total)
- const char *str;
- long total;
+print_time (const char *str, long total)
{
long all_time = get_run_time ();
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));
}
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