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android_frameworks_base/cmds/dumpstate/dumpstate.c
Dianne Hackborn e17aeb3103 Improve activity manager debug dumps. 
Activity manager now does all dump requests into apps
asynchronously, so it can nicely timeout if there is an
app problem.  Also lots of general cleanup of the am
dump output.

Change-Id: Id0dbccffb217315aeb85c964e379833e6aa3f5af
2011-04-07 18:26:15 -07:00

341 lines
12 KiB
C
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/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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.
*/
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <unistd.h>
#include <cutils/properties.h>
#include "private/android_filesystem_config.h"
#define LOG_TAG "dumpstate"
#include <utils/Log.h>
#include "dumpstate.h"
/* read before root is shed */
static char cmdline_buf[16384] = "(unknown)";
static const char *dump_traces_path = NULL;
static char screenshot_path[PATH_MAX] = "";
/* dumps the current system state to stdout */
static void dumpstate() {
time_t now = time(NULL);
char build[PROPERTY_VALUE_MAX], fingerprint[PROPERTY_VALUE_MAX];
char radio[PROPERTY_VALUE_MAX], bootloader[PROPERTY_VALUE_MAX];
char network[PROPERTY_VALUE_MAX], date[80];
property_get("ro.build.display.id", build, "(unknown)");
property_get("ro.build.fingerprint", fingerprint, "(unknown)");
property_get("ro.baseband", radio, "(unknown)");
property_get("ro.bootloader", bootloader, "(unknown)");
property_get("gsm.operator.alpha", network, "(unknown)");
strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now));
printf("========================================================\n");
printf("== dumpstate: %s\n", date);
printf("========================================================\n");
printf("\n");
printf("Build: %s\n", build);
printf("Bootloader: %s\n", bootloader);
printf("Radio: %s\n", radio);
printf("Network: %s\n", network);
printf("Kernel: ");
dump_file(NULL, "/proc/version");
printf("Command line: %s\n", strtok(cmdline_buf, "\n"));
printf("\n");
dump_file("MEMORY INFO", "/proc/meminfo");
run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-t", NULL);
run_command("PROCRANK", 20, "procrank", NULL);
dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat");
dump_file("VMALLOC INFO", "/proc/vmallocinfo");
dump_file("SLAB INFO", "/proc/slabinfo");
dump_file("ZONEINFO", "/proc/zoneinfo");
if (screenshot_path[0]) {
LOGI("taking screenshot\n");
run_command(NULL, 5, "su", "root", "screenshot", screenshot_path, NULL);
LOGI("wrote screenshot: %s\n", screenshot_path);
}
run_command("SYSTEM LOG", 20, "logcat", "-v", "threadtime", "-d", "*:v", NULL);
/* show the traces we collected in main(), if that was done */
if (dump_traces_path != NULL) {
dump_file("VM TRACES JUST NOW", dump_traces_path);
}
/* only show ANR traces if they're less than 15 minutes old */
struct stat st;
char anr_traces_path[PATH_MAX];
property_get("dalvik.vm.stack-trace-file", anr_traces_path, "");
if (!anr_traces_path[0]) {
printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n");
} else if (stat(anr_traces_path, &st)) {
printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path, strerror(errno));
} else {
dump_file("VM TRACES AT LAST ANR", anr_traces_path);
}
// dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
run_command("EVENT LOG", 20, "logcat", "-b", "events", "-v", "threadtime", "-d", "*:v", NULL);
run_command("RADIO LOG", 20, "logcat", "-b", "radio", "-v", "threadtime", "-d", "*:v", NULL);
run_command("NETWORK INTERFACES", 10, "su", "root", "netcfg", NULL);
dump_file("NETWORK ROUTES", "/proc/net/route");
dump_file("ARP CACHE", "/proc/net/arp");
run_command("WIFI NETWORKS", 20,
"su", "root", "wpa_cli", "list_networks", NULL);
property_get("dhcp.wlan0.gateway", network, "");
if (network[0])
run_command("PING GATEWAY", 10, "su", "root", "ping", "-c", "3", "-i", ".5", network, NULL);
property_get("dhcp.wlan0.dns1", network, "");
if (network[0])
run_command("PING DNS1", 10, "su", "root", "ping", "-c", "3", "-i", ".5", network, NULL);
property_get("dhcp.wlan0.dns2", network, "");
if (network[0])
run_command("PING DNS2", 10, "su", "root", "ping", "-c", "3", "-i", ".5", network, NULL);
#ifdef FWDUMP_bcm4329
run_command("DUMP WIFI STATUS", 20,
"su", "root", "dhdutil", "-i", "wlan0", "dump", NULL);
run_command("DUMP WIFI INTERNAL COUNTERS", 20,
"su", "root", "wlutil", "counters", NULL);
#endif
print_properties();
run_command("KERNEL LOG", 20, "dmesg", NULL);
dump_file("KERNEL WAKELOCKS", "/proc/wakelocks");
dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
run_command("VOLD DUMP", 10, "vdc", "dump", NULL);
run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL);
run_command("PROCESSES", 10, "ps", "-P", NULL);
run_command("PROCESSES AND THREADS", 10, "ps", "-t", "-p", "-P", NULL);
run_command("LIBRANK", 10, "librank", NULL);
dump_file("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log");
dump_file("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log");
dump_file("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions");
dump_file("BINDER STATS", "/sys/kernel/debug/binder/stats");
dump_file("BINDER STATE", "/sys/kernel/debug/binder/state");
run_command("FILESYSTEMS & FREE SPACE", 10, "su", "root", "df", NULL);
dump_file("PACKAGE SETTINGS", "/data/system/packages.xml");
dump_file("PACKAGE UID ERRORS", "/data/system/uiderrors.txt");
dump_file("LAST KMSG", "/proc/last_kmsg");
run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL);
dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");
for_each_pid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS");
printf("------ BACKLIGHTS ------\n");
printf("LCD brightness=");
dump_file(NULL, "/sys/class/leds/lcd-backlight/brightness");
printf("Button brightness=");
dump_file(NULL, "/sys/class/leds/button-backlight/brightness");
printf("Keyboard brightness=");
dump_file(NULL, "/sys/class/leds/keyboard-backlight/brightness");
printf("ALS mode=");
dump_file(NULL, "/sys/class/leds/lcd-backlight/als");
printf("LCD driver registers:\n");
dump_file(NULL, "/sys/class/leds/lcd-backlight/registers");
printf("\n");
printf("========================================================\n");
printf("== Android Framework Services\n");
printf("========================================================\n");
/* the full dumpsys is starting to take a long time, so we need
to increase its timeout. we really need to do the timeouts in
dumpsys itself... */
run_command("DUMPSYS", 60, "dumpsys", NULL);
printf("========================================================\n");
printf("== Running Application Activities\n");
printf("========================================================\n");
run_command("APP ACTIVITIES", 30, "dumpsys", "activity", "all", NULL);
printf("========================================================\n");
printf("== Running Application Services\n");
printf("========================================================\n");
run_command("APP SERVICES", 30, "dumpsys", "activity", "service", "all", NULL);
}
static void usage() {
fprintf(stderr, "usage: dumpstate [-b soundfile] [-e soundfile] [-o file [-d] [-p] [-z]] [-s]\n"
" -o: write to file (instead of stdout)\n"
" -d: append date to filename (requires -o)\n"
" -z: gzip output (requires -o)\n"
" -p: capture screenshot to filename.png (requires -o)\n"
" -s: write output to control socket (for init)\n"
" -b: play sound file instead of vibrate, at beginning of job\n"
" -e: play sound file instead of vibrate, at end of job\n"
);
}
int main(int argc, char *argv[]) {
int do_add_date = 0;
int do_compress = 0;
char* use_outfile = 0;
char* begin_sound = 0;
char* end_sound = 0;
int use_socket = 0;
int do_fb = 0;
LOGI("begin\n");
/* set as high priority, and protect from OOM killer */
setpriority(PRIO_PROCESS, 0, -20);
FILE *oom_adj = fopen("/proc/self/oom_adj", "w");
if (oom_adj) {
fputs("-17", oom_adj);
fclose(oom_adj);
}
/* very first thing, collect VM traces from Dalvik (needs root) */
dump_traces_path = dump_vm_traces();
int c;
while ((c = getopt(argc, argv, "b:de:ho:svzp")) != -1) {
switch (c) {
case 'b': begin_sound = optarg; break;
case 'd': do_add_date = 1; break;
case 'e': end_sound = optarg; break;
case 'o': use_outfile = optarg; break;
case 's': use_socket = 1; break;
case 'v': break; // compatibility no-op
case 'z': do_compress = 6; break;
case 'p': do_fb = 1; break;
case '?': printf("\n");
case 'h':
usage();
exit(1);
}
}
/* open the vibrator before dropping root */
FILE *vibrator = fopen("/sys/class/timed_output/vibrator/enable", "w");
if (vibrator) fcntl(fileno(vibrator), F_SETFD, FD_CLOEXEC);
/* read /proc/cmdline before dropping root */
FILE *cmdline = fopen("/proc/cmdline", "r");
if (cmdline != NULL) {
fgets(cmdline_buf, sizeof(cmdline_buf), cmdline);
fclose(cmdline);
}
if (getuid() == 0) {
/* switch to non-root user and group */
gid_t groups[] = { AID_LOG, AID_SDCARD_RW, AID_MOUNT };
if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
LOGE("Unable to setgroups, aborting: %s\n", strerror(errno));
return -1;
}
if (setgid(AID_SHELL) != 0) {
LOGE("Unable to setgid, aborting: %s\n", strerror(errno));
return -1;
}
if (setuid(AID_SHELL) != 0) {
LOGE("Unable to setuid, aborting: %s\n", strerror(errno));
return -1;
}
}
char path[PATH_MAX], tmp_path[PATH_MAX];
pid_t gzip_pid = -1;
if (use_socket) {
redirect_to_socket(stdout, "dumpstate");
} else if (use_outfile) {
strlcpy(path, use_outfile, sizeof(path));
if (do_add_date) {
char date[80];
time_t now = time(NULL);
strftime(date, sizeof(date), "-%Y-%m-%d-%H-%M-%S", localtime(&now));
strlcat(path, date, sizeof(path));
}
if (do_fb) {
strlcpy(screenshot_path, path, sizeof(screenshot_path));
strlcat(screenshot_path, ".png", sizeof(screenshot_path));
}
strlcat(path, ".txt", sizeof(path));
if (do_compress) strlcat(path, ".gz", sizeof(path));
strlcpy(tmp_path, path, sizeof(tmp_path));
strlcat(tmp_path, ".tmp", sizeof(tmp_path));
gzip_pid = redirect_to_file(stdout, tmp_path, do_compress);
}
if (begin_sound) {
play_sound(begin_sound);
} else if (vibrator) {
fputs("150", vibrator);
fflush(vibrator);
}
dumpstate();
if (end_sound) {
play_sound(end_sound);
} else if (vibrator) {
int i;
for (i = 0; i < 3; i++) {
fputs("75\n", vibrator);
fflush(vibrator);
usleep((75 + 50) * 1000);
}
fclose(vibrator);
}
/* wait for gzip to finish, otherwise it might get killed when we exit */
if (gzip_pid > 0) {
fclose(stdout);
waitpid(gzip_pid, NULL, 0);
}
/* rename the (now complete) .tmp file to its final location */
if (use_outfile && rename(tmp_path, path)) {
fprintf(stderr, "rename(%s, %s): %s\n", tmp_path, path, strerror(errno));
}
LOGI("done\n");
return 0;
}
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