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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* xattr_benchmark.c
*
* Copyright (C) 2021 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "compat.h"
#include "common.h"
#include "sqfs/xattr_writer.h"
#include "sqfs/xattr.h"
#include <stdlib.h>
#include <getopt.h>
#include <string.h>
#include <stdio.h>
static struct option long_opts[] = {
{ "block-count", required_argument, NULL, 'b' },
{ "groups-size", required_argument, NULL, 'g' },
{ "version", no_argument, NULL, 'V' },
{ "help", no_argument, NULL, 'h' },
{ NULL, 0, NULL, 0 },
};
static const char *short_opts = "g:b:hV";
static const char *help_string =
"Usage: xattr_benchmark [OPTIONS...]\n"
"\n"
"Possible options:\n"
"\n"
" --block-count, -b <count> How many unique xattr blocks to generate.\n"
" --group-size, -g <count> Number of key-value pairs to generate for each\n"
" xattr block.\n"
"\n";
int main(int argc, char **argv)
{
long blkidx, grpidx, block_count = 0, group_size = 0;
sqfs_xattr_writer_t *xwr;
sqfs_u32 id;
int ret;
for (;;) {
int i = getopt_long(argc, argv, short_opts, long_opts, NULL);
if (i == -1)
break;
switch (i) {
case 'b':
block_count = strtol(optarg, NULL, 0);
break;
case 'g':
group_size = strtol(optarg, NULL, 0);
break;
case 'h':
fputs(help_string, stdout);
return EXIT_SUCCESS;
case 'V':
print_version("xattr_benchmark");
return EXIT_SUCCESS;
default:
goto fail_arg;
}
}
if (block_count <= 0) {
fputs("A block count > 0 must be specified.\n", stderr);
goto fail_arg;
}
if (group_size <= 0) {
fputs("A group size > 0 must be specified.\n", stderr);
goto fail_arg;
}
/* setup writer */
xwr = sqfs_xattr_writer_create(0);
/* generate blocks */
for (blkidx = 0; blkidx < block_count; ++blkidx) {
ret = sqfs_xattr_writer_begin(xwr, 0);
if (ret < 0) {
sqfs_perror(NULL, "begin xattr block", ret);
goto fail;
}
for (grpidx = 0; grpidx < group_size; ++grpidx) {
char key[64], value[64];
snprintf(key, sizeof(key), "user.group%ld.key%ld",
blkidx, grpidx);
snprintf(value, sizeof(value), "group%ld/value%ld",
blkidx, grpidx);
ret = sqfs_xattr_writer_add(xwr, key, value,
strlen(value));
if (ret < 0) {
sqfs_perror(NULL, "add to xattr block", ret);
goto fail;
}
}
ret = sqfs_xattr_writer_end(xwr, &id);
if (ret < 0) {
sqfs_perror(NULL, "end xattr block", ret);
goto fail;
}
}
/* cleanup */
sqfs_drop(xwr);
return EXIT_SUCCESS;
fail:
sqfs_drop(xwr);
return EXIT_FAILURE;
fail_arg:
fputs("Try `xattr_benchmark --help' for more information.\n", stderr);
return EXIT_FAILURE;
}
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