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Diffstat (limited to 'src/readahead/readahead.c')
| -rw-r--r-- | src/readahead/readahead.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/src/readahead/readahead.c b/src/readahead/readahead.c deleted file mode 100644 index abeecc7634..0000000000 --- a/src/readahead/readahead.c +++ /dev/null @@ -1,158 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stdio.h> -#include <getopt.h> -#include <stddef.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> - -#include "util.h" -#include "def.h" -#include "readahead-common.h" - -unsigned arg_files_max = 16*1024; -off_t arg_file_size_max = READAHEAD_FILE_SIZE_MAX; -usec_t arg_timeout = 2*USEC_PER_MINUTE; - -static int help(void) { - - printf("%s [OPTIONS...] collect [DIRECTORY]\n\n" - "Collect read-ahead data on early boot.\n\n" - " -h --help Show this help\n" - " --max-files=INT Maximum number of files to read ahead\n" - " --file-size-max=BYTES Maximum size of files to read ahead\n" - " --timeout=USEC Maximum time to spend collecting data\n\n\n", - program_invocation_short_name); - - printf("%s [OPTIONS...] replay [DIRECTORY]\n\n" - "Replay collected read-ahead data on early boot.\n\n" - " -h --help Show this help\n" - " --file-size-max=BYTES Maximum size of files to read ahead\n\n\n", - program_invocation_short_name); - - printf("%s [OPTIONS...] analyze [PACK FILE]\n\n" - "Analyze collected read-ahead data.\n\n" - " -h --help Show this help\n", - program_invocation_short_name); - - return 0; -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_FILES_MAX = 0x100, - ARG_FILE_SIZE_MAX, - ARG_TIMEOUT - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "files-max", required_argument, NULL, ARG_FILES_MAX }, - { "file-size-max", required_argument, NULL, ARG_FILE_SIZE_MAX }, - { "timeout", required_argument, NULL, ARG_TIMEOUT }, - { NULL, 0, NULL, 0 } - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) { - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_FILES_MAX: - if (safe_atou(optarg, &arg_files_max) < 0 || arg_files_max <= 0) { - log_error("Failed to parse maximum number of files %s.", optarg); - return -EINVAL; - } - break; - - case ARG_FILE_SIZE_MAX: { - unsigned long long ull; - - if (safe_atollu(optarg, &ull) < 0 || ull <= 0) { - log_error("Failed to parse maximum file size %s.", optarg); - return -EINVAL; - } - - arg_file_size_max = (off_t) ull; - break; - } - - case ARG_TIMEOUT: - if (parse_usec(optarg, &arg_timeout) < 0 || arg_timeout <= 0) { - log_error("Failed to parse timeout %s.", optarg); - return -EINVAL; - } - - break; - - case '?': - return -EINVAL; - - default: - log_error("Unknown option code %c", c); - return -EINVAL; - } - } - - if (optind != argc-1 && - optind != argc-2) { - help(); - return -EINVAL; - } - - return 1; -} - -int main(int argc, char *argv[]) { - int r; - - log_set_target(LOG_TARGET_SAFE); - log_parse_environment(); - log_open(); - - umask(0022); - - r = parse_argv(argc, argv); - if (r <= 0) - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; - - if (streq(argv[optind], "collect")) - return main_collect(argv[optind+1]); - else if (streq(argv[optind], "replay")) - return main_replay(argv[optind+1]); - else if (streq(argv[optind], "analyze")) - return main_analyze(argv[optind+1]); - - log_error("Unknown verb %s.", argv[optind]); - return EXIT_FAILURE; -} |