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/*
* libcaca Colour ASCII-Art library
* Copyright (c) 2009-2010 Sam Hocevar <sam@hocevar.net>
* All Rights Reserved
*
* This library is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
/*
* This file contains profiling functions. They are not supposed to be
* built with release versions.
*/
#include "config.h"
#if !defined(__KERNEL__)
# include <stdio.h>
# include <stdarg.h>
# include <stdlib.h>
#endif
#include "caca.h"
#include "caca_internals.h"
#if defined PROF
static struct caca_stat **stats = NULL;
static int nstats = 0;
void _caca_dump_stats(void)
{
int i, j;
fprintf(stderr, "** libcaca profiling stats **\n");
for (i = 0; i < nstats; i++)
{
int64_t total = 0;
for (j = 0; j < STAT_VALUES; j++)
total += stats[i]->itable[j];
fprintf(stderr, " %s: last %i sliding mean %i smoothed mean %i\n",
stats[i]->name, stats[i]->itable[0],
(int)((total + STAT_VALUES / 2) / STAT_VALUES),
(int)(stats[i]->imean / 64));
}
fprintf(stderr, "** %i counters dumped **\n", nstats);
}
void _caca_init_stat(struct caca_stat *s, const char *format, ...)
{
int i;
s->name = malloc(128 * sizeof(char));
va_list args;
va_start(args, format);
vsnprintf(s->name, 128, format, args);
s->name[127] = '\0';
va_end(args);
nstats++;
stats = realloc(stats, nstats * sizeof(struct caca_stat *));
stats[nstats - 1] = s;
for (i = 0; i < STAT_VALUES; i++)
s->itable[i] = 0;
s->imean = 0;
}
void _caca_fini_stat(struct caca_stat *s)
{
int i, j;
for (i = 0; i < nstats; i++)
{
if (stats[i] == s)
{
free(stats[i]->name);
for (j = i + 1; j < nstats; j++)
stats[j - 1] = stats[j];
nstats--;
stats = realloc(stats, nstats * sizeof(struct caca_stats *));
return;
}
}
}
#endif
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