1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2012 Auke Kok <auke-jan.h.kok@intel.com>
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
28 #include <linux/limits.h>
29 #include <sys/types.h>
33 #include "readahead-common.h"
35 int main_analyze(const char *pack_path)
50 pack_path = "/.readahead";
52 pack = fopen(pack_path, "re");
54 log_error("Pack file missing.");
58 if (!fgets(line, sizeof(line), pack)) {
59 log_error("Pack file corrupt.");
63 if (!strstr(line, READAHEAD_PACK_FILE_VERSION)) {
64 log_error("Pack file version incompatible with this parser.");
68 if ((a = getc(pack)) == EOF) {
69 log_error("Pack file corrupt.");
73 fprintf(stdout, " pct sections size: path\n");
74 fprintf(stdout, " === ======== ====: ====\n");
80 if (!fgets(path, sizeof(path), pack))
83 path[strlen(path)-1] = 0;
85 if (fread(&inode, sizeof(inode), 1, pack) != 1) {
86 log_error("Pack file corrupt.");
91 if (fread(&b, sizeof(b), 1, pack) != 1 ||
92 fread(&c, sizeof(c), 1, pack) != 1) {
93 log_error("Pack file corrupt.");
96 if ((b == 0) && (c == 0))
99 /* Uncomment this to get all the chunks separately
100 fprintf(stdout, " %d: %d %d\n", sections, b, c);
107 if (stat(path, &st) == 0) {
111 size = pages * page_size();
115 fprintf(stdout, " %4d%% (%2d) %12ld: %s\n",
116 sections ? (int)(size / st.st_size * 100.0) : 100,
117 sections ? sections : 1,
121 fprintf(stdout, " %4dp (%2d) %12s: %s (MISSING)\n",
122 sections ? pages : -1,
123 sections ? sections : 1,
131 fprintf(stdout, "\nHOST: %s", line);
132 fprintf(stdout, "TYPE: %c\n", a);
133 fprintf(stdout, "MISSING: %d\n", missing);
134 fprintf(stdout, "TOTAL: %ld\n", tsize);