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/*
* dump_systemstate
*
* Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file dump_systemstate.c
* @brief dump system states.
*/
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <time.h>
#include <limits.h>
#include <getopt.h>
#include <sys/stat.h>
#include <sys/vfs.h>
#include "shared/util.h"
#include "shared/log.h"
#define FILE_PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH)
#define TIMEOUT_DEFAULT 60
static struct dump_item {
const char *title;
const char *path;
} dump_item[] = {
{"==== Binary version " , "/etc/info.ini"},
{"==== Tizen version " , "/etc/tizen-release"},
{"==== Kernel version " , "/proc/version"},
{"==== Boot arguments " , "/proc/cmdline"},
{"==== CPU & system architecture " , "/proc/cpuinfo"},
{"==== System uptime " , "/proc/uptime"},
{"==== System statistics " , "/proc/stat"},
{"==== System memory usage " , "/proc/meminfo"},
{"==== Device major numbers " , "/proc/devices"},
{"==== System disk I/O satistics " , "/proc/diskstats"},
};
static void usage()
{
fprintf(stderr, "usage: dump_systemstate [-k] [-d] [-f file]\n"
" -f: write to file (instead of stdout)\n"
" -k: dump kernel messages (only root)\n"
" -d: dump dlog messages\n"
" -j: dump journal log messages\n"
);
}
/* get disk used percentage */
static int get_disk_used_percent(const char *path)
{
struct statfs lstatfs;
int percent;
if (!path)
return -1;
if (statfs(path, &lstatfs) < 0)
return -1;
percent = (((lstatfs.f_blocks - lstatfs.f_bfree) * 1000) / (lstatfs.f_blocks)) + 9;
percent = percent/10;
return percent;
}
int main(int argc, char *argv[])
{
int c, ret, i, is_root, dpercent;
const char *arg_file = NULL;
int out_fd = -1;
bool arg_dlog = false;
bool arg_dmesg = false;
bool arg_journal = false;
char timestr[80];
time_t cur_time;
struct tm gm_tm;
struct tm loc_tm;
while ((c = getopt(argc, argv, "hf:kdj")) != -1) {
switch (c) {
case 'd':
arg_dlog = true;
break;
case 'k':
arg_dmesg = true;
break;
case 'j':
arg_journal = true;
break;
case 'f':
arg_file = optarg;
break;
case '?':
case 'h':
printf("\n");
usage();
ret = 0;
goto exit;
}
}
ret = 0;
cur_time = time(NULL);
gmtime_r(&cur_time, &gm_tm);
localtime_r(&cur_time, &loc_tm);
is_root = !(geteuid());
/* open output file */
if (arg_file == NULL) {
out_fd = STDOUT_FILENO;
} else {
out_fd = open(arg_file, O_WRONLY | O_TRUNC | O_CREAT, FILE_PERM);
if (out_fd < 0) {
perror("couldn't open output file");
ret = out_fd;
goto exit;
}
}
/* print timestamp */
strftime(timestr, sizeof(timestr),
"%Y-%m-%d %H:%M:%S%z", &loc_tm);
fprintf_fd(out_fd, "dump_systemstate: %s\n", timestr);
for (i = 0; i < ARRAY_SIZE(dump_item); i++) {
fsync(out_fd);
fprintf_fd(out_fd, "\n%s(%s)\n",
dump_item[i].title, dump_item[i].path);
ret = dump_file_write_fd((char *)dump_item[i].path, out_fd);
if (ret < 0)
goto exit_close;
}
fprintf_fd(out_fd, "\n");
fprintf_fd(out_fd, "\n==== System disk space usage (/bin/df -h)\n");
char *df_args[] = {"/bin/df", "-h", NULL};
ret = run_command_write_fd_timeout(df_args[0], df_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
dpercent = get_disk_used_percent("/opt");
if (90 < dpercent) {
fprintf_fd(out_fd, "\n==== System disk space usage detail - %d%% (/bin/du -ah /opt)\n", dpercent);
char *du_args[] = {"/bin/du", "-ah", "/opt", "--exclude=/opt/usr", NULL};
ret = run_command_write_fd_timeout(du_args[0], du_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
}
fprintf_fd(out_fd, "\n==== System timezone (ls -al /opt/etc/localtime)\n");
char *ls_args[] = {"/bin/ls", "-al", "/opt/etc/localtime", NULL};
ret = run_command_write_fd_timeout(ls_args[0], ls_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
fprintf_fd(out_fd, "\n==== System summary (/usr/bin/top -bcH -n 1)\n");
char *top_args[] = {"/bin/top", "-bcH", "-n", "1", NULL};
char *top_env[] = {"COLUMNS=200", NULL};
ret = run_command_write_fd_timeout(top_args[0], top_args, top_env, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
fprintf_fd(out_fd, "\n==== Current processes (/bin/ps auxfw)\n");
char *ps_args[] = {"/bin/ps", "auxfw", NULL};
ret = run_command_write_fd_timeout(ps_args[0], ps_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
fprintf_fd(out_fd, "\n==== System memory statistics (/usr/bin/memps -v)\n");
char *memps_args[] = {"/bin/memps", "-v", NULL};
ret = run_command_write_fd_timeout(memps_args[0], memps_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
if (is_root) {
fprintf_fd(out_fd, "\n==== System configuration (/usr/bin/vconftool get memory, db, file)\n");
char *get_mem_args[] = {"/bin/vconftool", "get", "memory/", "-r", NULL};
ret = run_command_write_fd_timeout(get_mem_args[0], get_mem_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
char *get_db_args[] = {"/bin/vconftool", "get", "db/", "-r", NULL};
ret = run_command_write_fd_timeout(get_db_args[0], get_db_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
char *get_file_args[] = {"/bin/vconftool", "get", "file/", "-r", NULL};
ret = run_command_write_fd_timeout(get_file_args[0], get_file_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
}
if (arg_dmesg && is_root) {
fprintf_fd(out_fd, "\n==== Kernel messages (TZ=UTC /bin/dmesg -T)\n");
char *dmesg_args[] = {"/bin/dmesg", "-T", NULL};
char *dmesg_env[] = {"TZ=UTC", NULL};
ret = run_command_write_fd_timeout(dmesg_args[0], dmesg_args, dmesg_env, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
}
if (arg_dlog) {
fprintf_fd(out_fd, "\n==== Log messages\n");
char *dlogutil_args[] = {"/bin/dlogutil", "-d", "-v", "threadtime", "-u", "16384", NULL};
ret = run_command_write_fd_timeout(dlogutil_args[0], dlogutil_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
}
if (arg_journal) {
fprintf_fd(out_fd, "\n==== Journal messages\n");
char *journalctl_args[] = {"/bin/journalctl", "-b", "-n", "1024", NULL};
ret = run_command_write_fd_timeout(journalctl_args[0], journalctl_args, NULL, out_fd, NULL, 0, TIMEOUT_DEFAULT);
if (ret < 0)
goto exit_close;
}
exit_close:
if (arg_file)
close(out_fd);
exit:
return ret;
}
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