chiark / gitweb /
readahead: wipe out readahead
[elogind.git] / src / readahead / readahead.c
diff --git a/src/readahead/readahead.c b/src/readahead/readahead.c
deleted file mode 100644 (file)
index 35176e9..0000000
+++ /dev/null
@@ -1,163 +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 "build.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 void help(void) {
-        printf("%1$s [OPTIONS...] collect [DIRECTORY]\n\n"
-               "Collect read-ahead data on early boot.\n\n"
-               "  -h --help                 Show this help\n"
-               "     --version              Show package version\n"
-               "     --files-max=INT        Maximum number of files to read ahead\n"
-               "     --file-size-max=BYTES  Maximum size of files to read ahead\n"
-               "     --timeout=USEC         Maximum time to spend collecting data\n"
-               "\n\n"
-               "%1$s [OPTIONS...] replay [DIRECTORY]\n\n"
-               "Replay collected read-ahead data on early boot.\n\n"
-               "  -h --help                 Show this help\n"
-               "     --version              Show package version\n"
-               "     --file-size-max=BYTES  Maximum size of files to read ahead\n"
-               "\n\n"
-               "%1$s [OPTIONS...] analyze [PACK-FILE]\n\n"
-               "Analyze collected read-ahead data.\n\n"
-               "  -h --help                 Show this help\n"
-               "     --version              Show package version\n",
-               program_invocation_short_name);
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
-        enum {
-                ARG_VERSION = 0x100,
-                ARG_FILES_MAX,
-                ARG_FILE_SIZE_MAX,
-                ARG_TIMEOUT
-        };
-
-        static const struct option options[] = {
-                { "help",          no_argument,       NULL, 'h'                },
-                { "version",       no_argument,       NULL, ARG_VERSION        },
-                { "files-max",     required_argument, NULL, ARG_FILES_MAX      },
-                { "file-size-max", required_argument, NULL, ARG_FILE_SIZE_MAX  },
-                { "timeout",       required_argument, NULL, ARG_TIMEOUT        },
-                {}
-        };
-
-        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_VERSION:
-                        puts(PACKAGE_STRING);
-                        puts(SYSTEMD_FEATURES);
-                        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_sec(optarg, &arg_timeout) < 0 || arg_timeout <= 0) {
-                                log_error("Failed to parse timeout %s.", optarg);
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case '?':
-                        return -EINVAL;
-
-                default:
-                        assert_not_reached("Unhandled option");
-                }
-
-        if (optind != argc-1 &&
-            optind != argc-2) {
-                log_error("%s: wrong number of arguments.",
-                          program_invocation_short_name);
-                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;
-}