/* profile.c --- generate periodic events for profiling of Emacs Lisp code.
- Copyright (C) 1992, 1994, 1999, 2001-2011 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1994, 1999, 2001-2013 Free Software Foundation,
+ Inc.
Author: Boaz Ben-Zvi <boaz@lcs.mit.edu>
/**
- ** To be run as an emacs process. Input string that starts with:
+ ** To be run as an emacs subprocess. Input string that starts with:
** 'z' -- resets the watch (to zero).
** 'p' -- return time (on stdout) as string with format <sec>.<micro-sec>
** 'q' -- exit.
** abstraction : a stopwatch
** operations: reset_watch, get_time
*/
+
+#define INLINE EXTERN_INLINE
#include <config.h>
+
+#include <inttypes.h>
#include <stdio.h>
+
+#include <intprops.h>
#include <systime.h>
-static EMACS_TIME TV1, TV2;
+static struct timespec TV1;
static int watch_not_started = 1; /* flag */
-static char time_string[30];
+static char time_string[INT_STRLEN_BOUND (uintmax_t) + sizeof "."
+ + LOG10_TIMESPEC_RESOLUTION];
/* Reset the stopwatch to zero. */
static void
reset_watch (void)
{
- EMACS_GET_TIME (TV1);
+ TV1 = current_timespec ();
watch_not_started = 0;
}
/* This call returns the time since the last reset_watch call. The time
- is returned as a string with the format <seconds>.<micro-seconds>
+ is returned as a string with the format <seconds>.<nanoseconds>
If reset_watch was not called yet, exit. */
static char *
get_time (void)
{
+ struct timespec TV2 = timespec_sub (current_timespec (), TV1);
+ uintmax_t s = TV2.tv_sec;
+ int ns = TV2.tv_nsec;
if (watch_not_started)
exit (EXIT_FAILURE); /* call reset_watch first ! */
- EMACS_GET_TIME (TV2);
- EMACS_SUB_TIME (TV2, TV2, TV1);
- sprintf (time_string, "%lu.%06lu", (unsigned long)EMACS_SECS (TV2), (unsigned long)EMACS_USECS (TV2));
+ sprintf (time_string, "%"PRIuMAX".%0*d", s, LOG10_TIMESPEC_RESOLUTION, ns);
return time_string;
}
-
-#if ! defined (HAVE_GETTIMEOFDAY) && defined (HAVE_TIMEVAL)
-
-/* ARGSUSED */
-gettimeofday (tp, tzp)
- struct timeval *tp;
- struct timezone *tzp;
-{
- extern long time ();
-
- tp->tv_sec = time ((long *)0);
- tp->tv_usec = 0;
- if (tzp != 0)
- tzp->tz_minuteswest = -1;
-}
-
-#endif
\f
int
main (void)