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/*
* cook - file construction tool
* Copyright (C) 2003 Peter Miller;
* All rights reserved.
*
* 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 2 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: functions to manipulate meters
*/
#include <ac/stdio.h>
#include <ac/string.h>
#include <mem.h>
#include <meter.h>
meter_ty *
meter_alloc()
{
meter_ty *result;
result = mem_alloc(sizeof(meter_ty));
memset(result, 0, sizeof(*result));
return result;
}
void
meter_free(mp)
meter_ty *mp;
{
mem_free(mp);
}
/*
* NAME
* meter_ptime - print timing info
*
* SYNOPSIS
* void meter_ptime(double t, char *s);
*
* DESCRIPTION
* The meter_ptime function is used to print e representation of the
* time, in seconds, given in the `t' argument. The `s' argument is a
* title string.
*/
static void meter_ptime _((double, char *, double));
static void
meter_ptime(t, s, elapsed)
double t;
char *s;
double elapsed;
{
long hour;
long min;
long sec;
long frac;
char buffer[50];
if (elapsed > 0)
sprintf(buffer, " %5.1f%%", 100. * t / elapsed);
else
buffer[0] = 0;
frac = t * 1000 + 0.5;
sec = frac / 1000;
frac %= 1000;
min = sec / 60;
sec %= 60;
hour = min / 60;
min %= 60;
fprintf
(
stderr,
"%2ld:%02ld:%02ld.%03ld %s%s\n",
hour,
min,
sec,
frac,
s,
buffer
);
}
#define timeval2double(tv) ((tv).tv_sec + (tv).tv_usec * 1.0e-6)
/*
* NAME
* meter_print - end a metering interval
*
* SYNOPSIS
* void meter_print(struct rusage *);
*
* DESCRIPTION
* The meter_end function is used to end a metering interval and print
* the metered information.
*/
void
meter_print(mp)
meter_ty *mp;
{
double elapsed;
#ifdef HAVE_WAIT3
double usr;
double sys;
#endif
#ifdef HAVE_GETTIMEOFDAY
{
struct timeval tv;
gettimeofday(&tv, 0);
elapsed = timeval2double(tv) - timeval2double(mp->start);
}
#else
{
time_t now;
time(&now);
elapsed = now - mp->start;
}
#endif
meter_ptime(elapsed, "elapsed", 0);
#ifdef HAVE_WAIT3
usr = timeval2double(mp->ru.ru_utime);
meter_ptime(usr, "usr", elapsed);
sys = timeval2double(mp->ru.ru_stime);
meter_ptime(sys, "sys", elapsed);
#endif /* HAVE_WAIT3 */
}
void
meter_begin(mp)
meter_ty *mp;
{
#ifdef HAVE_GETTIMEOFDAY
gettimeofday(&mp->start, 0);
#else
time(&mp->start);
#endif
}
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