diff options
Diffstat (limited to 'src/readahead/readahead-analyze.c')
-rw-r--r-- | src/readahead/readahead-analyze.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/src/readahead/readahead-analyze.c b/src/readahead/readahead-analyze.c deleted file mode 100644 index 76db3cb7e4..0000000000 --- a/src/readahead/readahead-analyze.c +++ /dev/null @@ -1,146 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2012 Auke Kok <auke-jan.h.kok@intel.com> - - 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 <stdlib.h> -#include <stdbool.h> -#include <unistd.h> -#include <inttypes.h> -#include <linux/limits.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <string.h> - -#include "readahead-common.h" - -int main_analyze(const char *pack_path) { - char line[LINE_MAX]; - _cleanup_fclose_ FILE *pack = NULL; - int a; - int missing = 0; - size_t tsize = 0; - - if (!pack_path) - pack_path = "/.readahead"; - - pack = fopen(pack_path, "re"); - if (!pack) { - log_error("Pack file missing."); - goto fail; - } - - if (!fgets(line, sizeof(line), pack)) { - log_error("Pack file corrupt."); - goto fail; - } - - char_array_0(line); - - if (!endswith(line, READAHEAD_PACK_FILE_VERSION)) { - log_error("Pack file version incompatible with this parser."); - goto fail; - } - - if ((a = getc(pack)) == EOF) { - log_error("Pack file corrupt."); - goto fail; - } - - fputs(" pct sections size: path\n" - " === ======== ====: ====\n", stdout); - - for (;;) { - char path[PATH_MAX]; - struct stat st; - uint64_t inode; - int pages = 0; - int sections = 0; - - if (!fgets(path, sizeof(path), pack)) - break; /* done */ - - path[strlen(path)-1] = 0; - - if (fread(&inode, sizeof(inode), 1, pack) != 1) { - log_error("Pack file corrupt."); - goto fail; - } - - for (;;) { - uint32_t b, c; - - if (fread(&b, sizeof(b), 1, pack) != 1 || - fread(&c, sizeof(c), 1, pack) != 1) { - log_error("Pack file corrupt."); - goto fail; - } - if ((b == 0) && (c == 0)) - break; - - /* Uncomment this to get all the chunks separately - printf(" %d: %d %d\n", sections, b, c); - */ - - pages += (c - b); - sections++; - } - - if (stat(path, &st) == 0) { - off_t size; - - if (sections == 0) - size = st.st_size; - else - size = pages * page_size(); - - tsize += size; - - printf(" %4jd%% (%2d) %12jd: %s\n", - (intmax_t) (sections && st.st_size ? size * 100 / st.st_size : 100), - sections ? sections : 1, - (intmax_t) size, - path); - } else { - printf(" %4dp (%2d) %12s: %s (MISSING)\n", - sections ? pages : -1, - sections ? sections : 1, - "???", - path); - missing++; - } - - } - - printf("\nHOST: %s" - "TYPE: %c\n" - "MISSING: %d\n" - "TOTAL: %zu\n", - line, - a, - missing, - tsize); - - return EXIT_SUCCESS; - -fail: - return EXIT_FAILURE; -} |