/* Timing variables for measuring compiler performance.
- Copyright (C) 2000, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
Contributed by Alex Samuel <samuel@codesourcery.com>
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
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#else
#ifdef HAVE_GETRUSAGE
# if defined HAVE_DECL_GETRUSAGE && !HAVE_DECL_GETRUSAGE
- extern int getrusage PARAMS ((int, struct rusage *));
+ extern int getrusage (int, struct rusage *);
# endif
# define USE_GETRUSAGE
# define HAVE_USER_TIME
#else
#ifdef HAVE_CLOCK
# if defined HAVE_DECL_CLOCK && !HAVE_DECL_CLOCK
- extern clock_t clock PARAMS ((void));
+ extern clock_t clock (void);
# endif
# define USE_CLOCK
# define HAVE_USER_TIME
#include "flags.h"
#include "timevar.h"
-static bool timevar_enable;
+bool timevar_enable;
+
+/* Total amount of memory allocated by garbage collector. */
+
+size_t timevar_ggc_mem_total;
+
+/* The amount of memory that will cause us to report the timevar even
+ if the time spent is not significant. */
+
+#define GGC_MEM_BOUND (1 << 20)
/* See timevar.h for an explanation of timing variables. */
now->user = 0;
now->sys = 0;
now->wall = 0;
+ now->ggc_mem = timevar_ggc_mem_total;
if (!timevar_enable)
return;
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->ggc_mem += stop_time->ggc_mem - start_time->ggc_mem;
}
/* Initialize timing variables. */
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(identifier__, name__) \
TIMEVAR cannot be running as a standalone timer. */
void
-timevar_push (timevar_id_t timevar)
+timevar_push_1 (timevar_id_t timevar)
{
struct timevar_def *tv = &timevars[timevar];
struct timevar_stack_def *context;
struct timevar_time_def now;
- if (!timevar_enable)
- return;
-
/* Mark this timing variable as used. */
tv->used = 1;
/* Can't push a standalone timer. */
- if (tv->standalone)
- abort ();
+ gcc_assert (!tv->standalone);
/* What time is it? */
get_time (&now);
unused_stack_instances = unused_stack_instances->next;
}
else
- context = (struct timevar_stack_def *)
- xmalloc (sizeof (struct timevar_stack_def));
+ context = XNEW (struct timevar_stack_def);
/* Fill it in and put it on the stack. */
context->timevar = tv;
timing variable. */
void
-timevar_pop (timevar_id_t timevar)
+timevar_pop_1 (timevar_id_t timevar)
{
struct timevar_time_def now;
struct timevar_stack_def *popped = stack;
- if (!timevar_enable)
- return;
-
- if (&timevars[timevar] != stack->timevar)
- {
- sorry ("cannot timevar_pop '%s' when top of timevars stack is '%s'",
- timevars[timevar].name, stack->timevar->name);
- abort ();
- }
-
+ gcc_assert (&timevars[timevar] == stack->timevar);
+
/* What time is it? */
get_time (&now);
/* Don't allow the same timing variable to be started more than
once. */
- if (tv->standalone)
- abort ();
+ gcc_assert (!tv->standalone);
tv->standalone = 1;
get_time (&tv->start_time);
return;
/* TIMEVAR must have been started via timevar_start. */
- if (!tv->standalone)
- abort ();
+ gcc_assert (tv->standalone);
get_time (&now);
timevar_accumulate (&tv->elapsed, &tv->start_time, &now);
}
-/* Fill the elapsed time for TIMEVAR into ELAPSED. Returns
- update-to-date information even if TIMEVAR is currently running. */
-
-void
-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)
- {
- 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
a special meaning -- it's considered to be the total elapsed time,
for normalizing the others, and is displayed last. */
zeroes. */
if (tv->elapsed.user < tiny
&& tv->elapsed.sys < tiny
- && tv->elapsed.wall < tiny)
+ && tv->elapsed.wall < tiny
+ && tv->elapsed.ggc_mem < GGC_MEM_BOUND)
continue;
/* The timing variable name. */
(total->wall == 0 ? 0 : tv->elapsed.wall / total->wall) * 100);
#endif /* HAVE_WALL_TIME */
+ /* Print the amount of ggc memory allocated. */
+ fprintf (fp, "%8u kB (%2.0f%%) ggc",
+ (unsigned) (tv->elapsed.ggc_mem >> 10),
+ (total->ggc_mem == 0
+ ? 0
+ : (float) tv->elapsed.ggc_mem / total->ggc_mem) * 100);
+
putc ('\n', fp);
}
fprintf (fp, "%7.2f ", total->sys);
#endif
#ifdef HAVE_WALL_TIME
- fprintf (fp, "%7.2f\n", total->wall);
+ fprintf (fp, "%7.2f ", total->wall);
+#endif
+ fprintf (fp, "%8u kB\n", (unsigned) (total->ggc_mem >> 10));
+
+#ifdef ENABLE_CHECKING
+ fprintf (fp, "Extra diagnostic checks enabled; compiler may run slowly.\n");
+ fprintf (fp, "Configure with --enable-checking=release to disable checks.\n");
+#endif
+#ifndef ENABLE_ASSERT_CHECKING
+ fprintf (fp, "Internal checks disabled; compiler is not suited for release.\n");
+ fprintf (fp, "Configure with --enable-checking=release to enable checks.\n");
#endif
#endif /* defined (HAVE_USER_TIME) || defined (HAVE_SYS_TIME)