/* Bitset statistics.
- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+
+ Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc.
+
Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
- This program is free software; you can redistribute it and/or modify
+ 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
+ the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-*/
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file is a wrapper bitset implementation for the other bitset
implementations. It provides bitset compatibility checking and
statistics gathering without having to instrument the bitset
implementations. When statistics gathering is enabled, the bitset
operations get vectored through here and we then call the appropriate
- routines.
-*/
+ routines. */
+
+#include <config.h>
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "bitset_stats.h"
#include "bbitset.h"
#include "abitset.h"
#include "ebitset.h"
#include "lbitset.h"
#include "vbitset.h"
-#include "bitset_stats.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
/* Accessor macros. */
-#define BITSET_STATS_ALLOCS_INC(TYPE) \
+#define BITSET_STATS_ALLOCS_INC(TYPE) \
bitset_stats_info->types[(TYPE)].allocs++
-#define BITSET_STATS_FREES_INC(BSET) \
+#define BITSET_STATS_FREES_INC(BSET) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].frees++
-#define BITSET_STATS_SETS_INC(BSET) \
+#define BITSET_STATS_SETS_INC(BSET) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].sets++
-#define BITSET_STATS_CACHE_SETS_INC(BSET) \
+#define BITSET_STATS_CACHE_SETS_INC(BSET) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_sets++
-#define BITSET_STATS_RESETS_INC(BSET) \
+#define BITSET_STATS_RESETS_INC(BSET) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].resets++
-#define BITSET_STATS_CACHE_RESETS_INC(BSET) \
+#define BITSET_STATS_CACHE_RESETS_INC(BSET) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_resets++
-#define BITSET_STATS_TESTS_INC(BSET) \
+#define BITSET_STATS_TESTS_INC(BSET) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].tests++
-#define BITSET_STATS_CACHE_TESTS_INC(BSET) \
+#define BITSET_STATS_CACHE_TESTS_INC(BSET) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_tests++
-#define BITSET_STATS_LISTS_INC(BSET) \
+#define BITSET_STATS_LISTS_INC(BSET) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].lists++
-#define BITSET_STATS_LIST_COUNTS_INC(BSET, I) \
+#define BITSET_STATS_LIST_COUNTS_INC(BSET, I) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_counts[(I)]++
-#define BITSET_STATS_LIST_SIZES_INC(BSET, I) \
+#define BITSET_STATS_LIST_SIZES_INC(BSET, I) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_sizes[(I)]++
-#define BITSET_STATS_LIST_DENSITY_INC(BSET, I) \
+#define BITSET_STATS_LIST_DENSITY_INC(BSET, I) \
bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_density[(I)]++
/* Print a percentage histogram with message MSG to FILE. */
static void
bitset_percent_histogram_print (FILE *file, const char *name, const char *msg,
- unsigned int n_bins, unsigned int *bins)
+ unsigned int n_bins, unsigned int *bins)
{
unsigned int i;
unsigned int total;
fprintf (file, "%s %s", name, msg);
for (i = 0; i < n_bins; i++)
fprintf (file, "%.0f-%.0f%%\t%8u (%5.1f%%)\n",
- i * 100.0 / n_bins,
- (i + 1) * 100.0 / n_bins, bins[i],
- (100.0 * bins[i]) / total);
+ i * 100.0 / n_bins,
+ (i + 1) * 100.0 / n_bins, bins[i],
+ (100.0 * bins[i]) / total);
}
/* Print a log histogram with message MSG to FILE. */
static void
bitset_log_histogram_print (FILE *file, const char *name, const char *msg,
- unsigned int n_bins, unsigned int *bins)
+ unsigned int n_bins, unsigned int *bins)
{
unsigned int i;
unsigned int total;
fprintf (file, "%s %s", name, msg);
for (i = 0; i < 2; i++)
fprintf (file, "%*d\t%8u (%5.1f%%)\n",
- max_width, i, bins[i], 100.0 * bins[i] / total);
+ max_width, i, bins[i], 100.0 * bins[i] / total);
for (; i < n_bins; i++)
fprintf (file, "%*lu-%lu\t%8u (%5.1f%%)\n",
- max_width - ((unsigned int) (0.30103 * (i) + 0.9999) + 1),
- 1UL << (i - 1),
- (1UL << i) - 1,
- bins[i],
- (100.0 * bins[i]) / total);
+ max_width - ((unsigned int) (0.30103 * (i) + 0.9999) + 1),
+ 1UL << (i - 1),
+ (1UL << i) - 1,
+ bins[i],
+ (100.0 * bins[i]) / total);
}
/* Print bitset statistics to FILE. */
static void
bitset_stats_print_1 (FILE *file, const char *name,
- struct bitset_type_info_struct *stats)
+ struct bitset_type_info_struct *stats)
{
if (!stats)
return;
fprintf (file, "%s:\n", name);
fprintf (file, _("%u bitset_allocs, %u freed (%.2f%%).\n"),
- stats->allocs, stats->frees,
- stats->allocs ? 100.0 * stats->frees / stats->allocs : 0);
+ stats->allocs, stats->frees,
+ stats->allocs ? 100.0 * stats->frees / stats->allocs : 0);
fprintf (file, _("%u bitset_sets, %u cached (%.2f%%)\n"),
- stats->sets, stats->cache_sets,
- stats->sets ? 100.0 * stats->cache_sets / stats->sets : 0);
+ stats->sets, stats->cache_sets,
+ stats->sets ? 100.0 * stats->cache_sets / stats->sets : 0);
fprintf (file, _("%u bitset_resets, %u cached (%.2f%%)\n"),
- stats->resets, stats->cache_resets,
- stats->resets ? 100.0 * stats->cache_resets / stats->resets : 0);
+ stats->resets, stats->cache_resets,
+ stats->resets ? 100.0 * stats->cache_resets / stats->resets : 0);
fprintf (file, _("%u bitset_tests, %u cached (%.2f%%)\n"),
- stats->tests, stats->cache_tests,
- stats->tests ? 100.0 * stats->cache_tests / stats->tests : 0);
+ stats->tests, stats->cache_tests,
+ stats->tests ? 100.0 * stats->cache_tests / stats->tests : 0);
fprintf (file, _("%u bitset_lists\n"), stats->lists);
bitset_log_histogram_print (file, name, _("count log histogram\n"),
- BITSET_LOG_COUNT_BINS, stats->list_counts);
+ BITSET_LOG_COUNT_BINS, stats->list_counts);
bitset_log_histogram_print (file, name, _("size log histogram\n"),
- BITSET_LOG_SIZE_BINS, stats->list_sizes);
+ BITSET_LOG_SIZE_BINS, stats->list_sizes);
bitset_percent_histogram_print (file, name, _("density histogram\n"),
- BITSET_DENSITY_BINS, stats->list_density);
+ BITSET_DENSITY_BINS, stats->list_density);
}
for (i = 0; i < BITSET_TYPE_NUM; i++)
bitset_stats_print_1 (file, bitset_type_names[i],
- &bitset_stats_info->types[i]);
+ &bitset_stats_info->types[i]);
}
/* Read bitset statistics file. */
void
-bitset_stats_read (const char *filename)
+bitset_stats_read (const char *file_name)
{
FILE *file;
if (!bitset_stats_info)
return;
- if (!filename)
- filename = BITSET_STATS_FILE;
+ if (!file_name)
+ file_name = BITSET_STATS_FILE;
- file = fopen (filename, "r");
+ file = fopen (file_name, "r");
if (file)
{
if (fread (&bitset_stats_info_data, sizeof (bitset_stats_info_data),
- 1, file) != 1)
- {
- if (ferror (file))
- perror (_("Could not read stats file."));
- else
- fprintf (stderr, _("Bad stats file size.\n"));
- }
+ 1, file) != 1)
+ {
+ if (ferror (file))
+ perror (_("cannot read stats file"));
+ else
+ fprintf (stderr, _("bad stats file size\n"));
+ }
if (fclose (file) != 0)
- perror (_("Could not read stats file."));
+ perror (_("cannot read stats file"));
}
bitset_stats_info_data.runs++;
}
/* Write bitset statistics file. */
void
-bitset_stats_write (const char *filename)
+bitset_stats_write (const char *file_name)
{
FILE *file;
if (!bitset_stats_info)
return;
- if (!filename)
- filename = BITSET_STATS_FILE;
+ if (!file_name)
+ file_name = BITSET_STATS_FILE;
- file = fopen (filename, "w");
+ file = fopen (file_name, "w");
if (file)
{
if (fwrite (&bitset_stats_info_data, sizeof (bitset_stats_info_data),
- 1, file) != 1)
- perror (_("Could not write stats file."));
+ 1, file) != 1)
+ perror (_("cannot write stats file"));
if (fclose (file) != 0)
- perror (_("Could not write stats file."));
+ perror (_("cannot write stats file"));
}
else
- perror (_("Could not open stats file for writing."));
+ perror (_("cannot open stats file for writing"));
}
if (offset < bset->b.csize)
{
bset->b.cdata[offset] &=
- ~((bitset_word) 1 << (bitno % BITSET_WORD_BITS));
+ ~((bitset_word) 1 << (bitno % BITSET_WORD_BITS));
BITSET_STATS_CACHE_RESETS_INC (bset);
}
else
static bitset_bindex
bitset_stats_list (bitset bset, bitset_bindex *list,
- bitset_bindex num, bitset_bindex *next)
+ bitset_bindex num, bitset_bindex *next)
{
bitset_bindex count;
bitset_bindex tmp;
bitset_bindex size;
bitset_bindex i;
- enum bitset_type type;
count = BITSET_LIST_ (bset->s.bset, list, num, next);
- type = BITSET_TYPE_ (bset->s.bset);
BITSET_STATS_LISTS_INC (bset->s.bset);
/* Log histogram of number of set bits. */
static bitset_bindex
bitset_stats_list_reverse (bitset bset, bitset_bindex *list,
- bitset_bindex num, bitset_bindex *next)
+ bitset_bindex num, bitset_bindex *next)
{
return BITSET_LIST_REVERSE_ (bset->s.bset, list, num, next);
}
we are a wrapper over. */
switch (type)
{
+ default:
+ abort ();
+
case BITSET_ARRAY:
bytes = abitset_bytes (n_bits);
- sbset = (bitset) xcalloc (1, bytes);
+ sbset = xcalloc (1, bytes);
abitset_init (sbset, n_bits);
break;
case BITSET_LIST:
bytes = lbitset_bytes (n_bits);
- sbset = (bitset) xcalloc (1, bytes);
+ sbset = xcalloc (1, bytes);
lbitset_init (sbset, n_bits);
break;
case BITSET_TABLE:
bytes = ebitset_bytes (n_bits);
- sbset = (bitset) xcalloc (1, bytes);
+ sbset = xcalloc (1, bytes);
ebitset_init (sbset, n_bits);
break;
case BITSET_VARRAY:
bytes = vbitset_bytes (n_bits);
- sbset = (bitset) xcalloc (1, bytes);
+ sbset = xcalloc (1, bytes);
vbitset_init (sbset, n_bits);
break;
-
- default:
- abort ();
}
bset->s.bset = sbset;
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