Copyright (C) 2000 Free Software Foundation, Inc.
Contributed by Alex Samuel <samuel@codesourcery.com>
- This file is part of GNU CC.
+This file is part of GCC.
- GNU CC 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.
- GNU CC 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 GNU CC; 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"
+#include "rtl.h"
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
+#ifdef HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+
+#ifndef HAVE_CLOCK_T
+typedef int clock_t;
+#endif
+
+#ifndef HAVE_STRUCT_TMS
+struct tms
+{
+ clock_t tms_utime;
+ clock_t tms_stime;
+ clock_t tms_cutime;
+ clock_t tms_cstime;
+};
+#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
+
+/* Calculation of scale factor to convert ticks to microseconds.
+ We mustn't use CLOCKS_PER_SEC except with clock(). */
+#if HAVE_SYSCONF && defined _SC_CLK_TCK
+# define TICKS_PER_SECOND sysconf (_SC_CLK_TCK) /* POSIX 1003.1-1996 */
+#else
+# ifdef CLK_TCK
+# define TICKS_PER_SECOND CLK_TCK /* POSIX 1003.1-1988; obsolescent */
+# else
+# ifdef HZ
+# define TICKS_PER_SECOND HZ /* traditional UNIX */
+# else
+# define TICKS_PER_SECOND 100 /* often the correct value */
+# endif
+# endif
+#endif
+
+/* Prefer times to getrusage to clock (each gives successively less
+ information). */
+#ifdef HAVE_TIMES
+# define USE_TIMES
+# define HAVE_USER_TIME
+# define HAVE_SYS_TIME
+# define HAVE_WALL_TIME
+#else
+#ifdef HAVE_GETRUSAGE
+# define USE_GETRUSAGE
+# define HAVE_USER_TIME
+# define HAVE_SYS_TIME
+#else
+#ifdef HAVE_CLOCK
+# define USE_CLOCK
+# define HAVE_USER_TIME
+#endif
+#endif
+#endif
+
+/* libc is very likely to have snuck a call to sysconf() into one of
+ the underlying constants, and that can be very slow, so we have to
+ 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)
+#endif
+
+#ifdef USE_CLOCK
+static float clocks_to_msec;
+#define CLOCKS_TO_MSEC (1 / (float)CLOCKS_PER_SEC)
+#endif
#include "flags.h"
#include "timevar.h"
/* See timevar.h for an explanation of timing variables. */
-/* This macro evaluates to non-zero if timing variables are enabled. */
-#define TIMEVAR_ENABLE (!quiet_flag)
+/* This macro evaluates to non-zero if timing variables are enabled. */
+#define TIMEVAR_ENABLE (time_report)
/* A timing variable. */
static void get_time
PARAMS ((struct timevar_time_def *));
-static void timevar_add
- PARAMS ((struct timevar_time_def *, struct timevar_time_def *));
static void timevar_accumulate
PARAMS ((struct timevar_time_def *, struct timevar_time_def *,
struct timevar_time_def *));
if (!TIMEVAR_ENABLE)
return;
-#ifdef __BEOS__
- /* Nothing. */
-#else /* not BeOS */
-#if defined (_WIN32) && !defined (__CYGWIN__)
- if (clock () >= 0)
- now->user = clock () * 1000;
-#define HAVE_USER_TIME
-
-#else /* not _WIN32 */
-#ifdef _SC_CLK_TCK
{
- static int tick;
+#ifdef USE_TIMES
struct tms tms;
- if (tick == 0)
- tick = 1000000 / sysconf (_SC_CLK_TCK);
- now->wall = times (&tms) * tick;
- now->user = tms.tms_utime * tick;
- now->sys = tms.tms_stime * tick;
- }
-#define HAVE_USER_TIME
-#define HAVE_SYS_TIME
-#define HAVE_WALL_TIME
-
-#else
-#ifdef USG
- {
- struct tms tms;
-# if HAVE_SYSCONF && defined _SC_CLK_TCK
-# define TICKS_PER_SECOND sysconf (_SC_CLK_TCK) /* POSIX 1003.1-1996 */
-# else
-# ifdef CLK_TCK
-# define TICKS_PER_SECOND CLK_TCK /* POSIX 1003.1-1988; obsolescent */
-# else
-# define TICKS_PER_SECOND HZ /* traditional UNIX */
-# endif
-# endif
- now->wall = times (&tms) * (1000000 / TICKS_PER_SECOND);
- now->user = tms.tms_utime * (1000000 / TICKS_PER_SECOND);
- now->sys = tms.tms_stime * (1000000 / TICKS_PER_SECOND);
- }
-#define HAVE_USER_TIME
-#define HAVE_SYS_TIME
-#define HAVE_WALL_TIME
-
-#else
-#ifndef VMS
- {
+ now->wall = times (&tms) * ticks_to_msec;
+ now->user = tms.tms_utime * ticks_to_msec;
+ now->sys = tms.tms_stime * ticks_to_msec;
+#endif
+#ifdef USE_GETRUSAGE
struct rusage rusage;
- getrusage (0, &rusage);
- now->user
- = rusage.ru_utime.tv_sec * 1000000 + rusage.ru_utime.tv_usec;
- now->sys
- = rusage.ru_stime.tv_sec * 1000000 + rusage.ru_stime.tv_usec;
- }
-#define HAVE_USER_TIME
-#define HAVE_SYS_TIME
-
-#else /* VMS */
- {
- struct
- {
- int proc_user_time;
- int proc_system_time;
- int child_user_time;
- int child_system_time;
- } vms_times;
- now->wall = times ((void *) &vms_times) * 10000;
- now->user = vms_times.proc_user_time * 10000;
- now->sys = vms_times.proc_system_time * 10000;
+ getrusage (RUSAGE_SELF, &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;
+#endif
}
-#define HAVE_USER_TIME
-#define HAVE_SYS_TIME
-#define HAVE_WALL_TIME
-
-#endif /* VMS */
-#endif /* USG */
-#endif /* _SC_CLK_TCK */
-#endif /* _WIN32 */
-#endif /* __BEOS__ */
-}
-
-/* Add ELAPSED to TIMER. */
-
-static void
-timevar_add (timer, elapsed)
- struct timevar_time_def *timer;
- struct timevar_time_def *elapsed;
-{
- timer->user += elapsed->user;
- timer->sys += elapsed->sys;
- timer->wall += elapsed->wall;
}
/* Add the difference between STOP_TIME and START_TIME to TIMER. */
memset ((void *) 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
+
+#ifdef USE_TIMES
+ ticks_to_msec = TICKS_TO_MSEC;
+#endif
+#ifdef USE_CLOCK
+ clocks_to_msec = CLOCKS_TO_MSEC;
+#endif
}
/* Push TIMEVAR onto the timing stack. No further elapsed time is
timevar_accumulate (&stack->timevar->elapsed, &start_time, &now);
/* Reset the start time; from now on, time is attributed to
- TIMEVAR. */
+ TIMEVAR. */
start_time = now;
/* See if we have a previously-allocated stack instance. If so,
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)
- /* Add the time elapsed since the it was started. */
- timevar_add (elapsed, &tv->start_time);
-
- /* Is TIMEVAR at the top of the timer stack? */
- if (stack->timevar == tv)
- /* Add the elapsed time since it was pushed. */
- timevar_add (elapsed, &start_time);
+ {
+ get_time (&now);
+ timevar_accumulate (elapsed, &tv->start_time, &now);
+ }
+ /* Or is TIMEVAR at the top of the timer stack? */
+ else if (stack->timevar == tv)
+ {
+ get_time (&now);
+ timevar_accumulate (elapsed, &start_time, &now);
+ }
}
/* Summarize timing variables to FP. The timing variable TV_TOTAL has
{
/* Only print stuff if we have some sort of time information. */
#if defined (HAVE_USER_TIME) || defined (HAVE_SYS_TIME) || defined (HAVE_WALL_TIME)
- timevar_id_t id;
+ unsigned int /* timevar_id_t */ id;
struct timevar_time_def *total = &timevars[TV_TOTAL].elapsed;
struct timevar_time_def now;
timevar_accumulate (&stack->timevar->elapsed, &start_time, &now);
/* Reset the start time; from now on, time is attributed to
- TIMEVAR. */
+ TIMEVAR. */
start_time = now;
- fprintf (fp, _("\nExecution times (seconds)\n"));
- for (id = 0; id < TIMEVAR_LAST; ++id)
+ fputs (_("\nExecution times (seconds)\n"), fp);
+ for (id = 0; id < (unsigned int) TIMEVAR_LAST; ++id)
{
- struct timevar_def *tv = &timevars[id];
+ struct timevar_def *tv = &timevars[(timevar_id_t) id];
+ const float tiny = 5e-3;
/* Don't print the total execution time here; that goes at the
end. */
- if (id == TV_TOTAL)
+ if ((timevar_id_t) id == TV_TOTAL)
continue;
/* Don't print timing variables that were never used. */
if (!tv->used)
continue;
+ /* Don't print timing variables if we're going to get a row of
+ zeroes. */
+ if (tv->elapsed.user < tiny
+ && tv->elapsed.sys < tiny
+ && tv->elapsed.wall < tiny)
+ continue;
+
/* The timing variable name. */
fprintf (fp, " %-22s:", tv->name);
#ifdef HAVE_USER_TIME
/* Print user-mode time for this process. */
- fprintf (fp, "%4ld.%02ld (%2.0f%%) usr",
- tv->elapsed.user / 1000000,
- (tv->elapsed.user % 1000000) / 10000,
- (total->user == 0) ? 0.0
- : (100.0 * tv->elapsed.user / (double) total->user));
+ 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, "%4ld.%02ld (%2.0f%%) sys",
- tv->elapsed.sys / 1000000,
- (tv->elapsed.sys % 1000000) / 10000,
- (total->sys == 0) ? 0.0
- : (100.0 * tv->elapsed.sys / (double) total->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, "%4ld.%02ld (%2.0f%%) wall",
- tv->elapsed.wall / 1000000,
- (tv->elapsed.wall % 1000000) / 10000,
- (total->wall == 0) ? 0.0
- : (100.0 * tv->elapsed.wall / (double) total->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 */
- fprintf (fp, "\n");
+ putc ('\n', fp);
}
/* Print total time. */
- fprintf (fp, _(" TOTAL :"));
+ fputs (_(" TOTAL :"), fp);
#ifdef HAVE_USER_TIME
- fprintf (fp, "%4ld.%02ld ",
- total->user / 1000000, (total->user % 1000000) / 10000);
+ fprintf (fp, "%7.2f ", total->user);
#endif
#ifdef HAVE_SYS_TIME
- fprintf (fp, "%4ld.%02ld ",
- total->sys / 1000000, (total->sys % 1000000) / 10000);
+ fprintf (fp, "%7.2f ", total->sys);
#endif
#ifdef HAVE_WALL_TIME
- fprintf (fp, "%4ld.%02ld\n",
- total->wall / 1000000, (total->wall % 1000000) / 10000);
+ fprintf (fp, "%7.2f\n", total->wall);
#endif
#endif /* defined (HAVE_USER_TIME) || defined (HAVE_SYS_TIME)
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