cmds/dumpstate/dumpstate.c - platform/frameworks/base - Gitiles

 /*
  * 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 <linux/capability.h>
 #include <linux/prctl.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];
     char build_type[PROPERTY_VALUE_MAX];

     property_get("ro.build.display.id", build, "(unknown)");
     property_get("ro.build.fingerprint", fingerprint, "(unknown)");
     property_get("ro.build.type", build_type, "(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("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */
     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");

     run_command("UPTIME", 10, "uptime", NULL);
     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");
     dump_file("PAGETYPEINFO", "/proc/pagetypeinfo");
     dump_file("BUDDYINFO", "/proc/buddyinfo");


     dump_file("KERNEL WAKELOCKS", "/proc/wakelocks");
     dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");

     run_command("PROCESSES", 10, "ps", "-P", NULL);
     run_command("PROCESSES AND THREADS", 10, "ps", "-t", "-p", "-P", NULL);
     run_command("LIBRANK", 10, "librank", NULL);

     do_dmesg();

     run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL);

     for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES");
     for_each_pid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS");

     // dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
     run_command("SYSTEM LOG", 20, "logcat", "-v", "threadtime", "-d", "*:v", NULL);
     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);


     /* 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);
     }

     /* slow traces for slow operations */
     if (anr_traces_path[0] != 0) {
         int tail = strlen(anr_traces_path)-1;
         while (tail > 0 && anr_traces_path[tail] != '/') {
             tail--;
         }
         int i = 0;
         while (1) {
             sprintf(anr_traces_path+tail+1, "slow%02d.txt", i);
             if (stat(anr_traces_path, &st)) {
                 // No traces file at this index, done with the files.
                 break;
             }
             dump_file("VM TRACES WHEN SLOW", anr_traces_path);
             i++;
         }
     }

     dump_file("NETWORK DEV INFO", "/proc/net/dev");
     dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all");
     dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl");
     dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats");

     dump_file("NETWORK ROUTES", "/proc/net/route");
     dump_file("NETWORK ROUTES IPV6", "/proc/net/ipv6_route");

     /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
     dump_file("LAST KMSG", "/proc/last_kmsg");
     dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
     dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");

     if (screenshot_path[0]) {
         ALOGI("taking screenshot\n");
         run_command(NULL, 5, SU_PATH, "root", "screenshot", screenshot_path, NULL);
         ALOGI("wrote screenshot: %s\n", screenshot_path);
     }

     run_command("SYSTEM SETTINGS", 20, SU_PATH, "root", "sqlite3",
             "/data/data/com.android.providers.settings/databases/settings.db",
             "pragma user_version; select * from system; select * from secure;", NULL);

     /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
     run_command("NETWORK INTERFACES", 10, SU_PATH, "root", "netcfg", NULL);
     run_command("IP RULES", 10, "ip", "rule", "show", NULL);
     run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL);
     run_command("ROUTE TABLE 60", 10, "ip", "route", "show", "table", "60", NULL);
     run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "60", NULL);
     run_command("ROUTE TABLE 61", 10, "ip", "route", "show", "table", "61", NULL);
     run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "61", NULL);
     dump_file("ARP CACHE", "/proc/net/arp");
     run_command("IPTABLES", 10, SU_PATH, "root", "iptables", "-L", "-nvx", NULL);
     run_command("IP6TABLES", 10, SU_PATH, "root", "ip6tables", "-L", "-nvx", NULL);
     run_command("IPTABLE NAT", 10, SU_PATH, "root", "iptables", "-t", "nat", "-L", "-n", NULL);
     run_command("IPT6ABLE NAT", 10, SU_PATH, "root", "ip6tables", "-t", "nat", "-L", "-n", NULL);

     run_command("WIFI NETWORKS", 20,
             SU_PATH, "root", "wpa_cli", "list_networks", NULL);

     property_get("dhcp.wlan0.gateway", network, "");
     if (network[0])
         run_command("PING GATEWAY", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
     property_get("dhcp.wlan0.dns1", network, "");
     if (network[0])
         run_command("PING DNS1", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
     property_get("dhcp.wlan0.dns2", network, "");
     if (network[0])
         run_command("PING DNS2", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
 #ifdef FWDUMP_bcm4329
     run_command("DUMP WIFI STATUS", 20,
             SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL);
     run_command("DUMP WIFI INTERNAL COUNTERS", 20,
             SU_PATH, "root", "wlutil", "counters", NULL);
 #endif

     print_properties();

     run_command("VOLD DUMP", 10, "vdc", "dump", NULL);
     run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL);

     run_command("FILESYSTEMS & FREE SPACE", 10, SU_PATH, "root", "df", NULL);

     dump_file("PACKAGE SETTINGS", "/data/system/packages.xml");
     dump_file("PACKAGE UID ERRORS", "/data/system/uiderrors.txt");

     run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL);

     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");

     /* Binder state is expensive to look at as it uses a lot of memory. */
     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");

 #ifdef BOARD_HAS_DUMPSTATE
     printf("========================================================\n");
     printf("== Board\n");
     printf("========================================================\n");

     dumpstate_board();
     printf("\n");
 #endif

     /* Migrate the ril_dumpstate to a dumpstate_board()? */
     char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0};
     property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30");
     if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) {
         if (0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1)) {
             // su does not exist on user builds, so try running without it.
             // This way any implementations of vril-dump that do not require
             // root can run on user builds.
             run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
                     "vril-dump", NULL);
         } else {
             run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
                     SU_PATH, "root", "vril-dump", NULL);
         }
     }

     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);

     printf("========================================================\n");
     printf("== Running Application Providers\n");
     printf("========================================================\n");

     run_command("APP SERVICES", 30, "dumpsys", "activity", "provider", "all", NULL);


     printf("========================================================\n");
     printf("== dumpstate: done\n");
     printf("========================================================\n");
 }

 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;

     ALOGI("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) {
         if (prctl(PR_SET_KEEPCAPS, 1) < 0) {
             ALOGE("prctl(PR_SET_KEEPCAPS) failed: %s\n", strerror(errno));
             return -1;
         }

         /* switch to non-root user and group */
         gid_t groups[] = { AID_LOG, AID_SDCARD_RW, AID_MOUNT, AID_INET, AID_NET_BW_STATS };
         if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
             ALOGE("Unable to setgroups, aborting: %s\n", strerror(errno));
             return -1;
         }
         if (setgid(AID_SHELL) != 0) {
             ALOGE("Unable to setgid, aborting: %s\n", strerror(errno));
             return -1;
         }
         if (setuid(AID_SHELL) != 0) {
             ALOGE("Unable to setuid, aborting: %s\n", strerror(errno));
             return -1;
         }

         struct __user_cap_header_struct capheader;
         struct __user_cap_data_struct capdata[2];
         memset(&capheader, 0, sizeof(capheader));
         memset(&capdata, 0, sizeof(capdata));
         capheader.version = _LINUX_CAPABILITY_VERSION_3;
         capheader.pid = 0;

         capdata[CAP_TO_INDEX(CAP_SYSLOG)].permitted = CAP_TO_MASK(CAP_SYSLOG);
         capdata[CAP_TO_INDEX(CAP_SYSLOG)].effective = CAP_TO_MASK(CAP_SYSLOG);
         capdata[0].inheritable = 0;
         capdata[1].inheritable = 0;

         if (capset(&capheader, &capdata[0]) < 0) {
             ALOGE("capset failed: %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));
     }

     ALOGI("done\n");

     return 0;
 }
	/*
	* 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 <linux/capability.h>
	#include <linux/prctl.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];
	char build_type[PROPERTY_VALUE_MAX];

	property_get("ro.build.display.id", build, "(unknown)");
	property_get("ro.build.fingerprint", fingerprint, "(unknown)");
	property_get("ro.build.type", build_type, "(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("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */
	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");

	run_command("UPTIME", 10, "uptime", NULL);
	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");
	dump_file("PAGETYPEINFO", "/proc/pagetypeinfo");
	dump_file("BUDDYINFO", "/proc/buddyinfo");


	dump_file("KERNEL WAKELOCKS", "/proc/wakelocks");
	dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");

	run_command("PROCESSES", 10, "ps", "-P", NULL);
	run_command("PROCESSES AND THREADS", 10, "ps", "-t", "-p", "-P", NULL);
	run_command("LIBRANK", 10, "librank", NULL);

	do_dmesg();

	run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL);

	for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES");
	for_each_pid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS");

	// dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
	run_command("SYSTEM LOG", 20, "logcat", "-v", "threadtime", "-d", "*:v", NULL);
	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);


	/* 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);
	}

	/* slow traces for slow operations */
	if (anr_traces_path[0] != 0) {
	int tail = strlen(anr_traces_path)-1;
	while (tail > 0 && anr_traces_path[tail] != '/') {
	tail--;
	}
	int i = 0;
	while (1) {
	sprintf(anr_traces_path+tail+1, "slow%02d.txt", i);
	if (stat(anr_traces_path, &st)) {
	// No traces file at this index, done with the files.
	break;
	}
	dump_file("VM TRACES WHEN SLOW", anr_traces_path);
	i++;
	}
	}

	dump_file("NETWORK DEV INFO", "/proc/net/dev");
	dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all");
	dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl");
	dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats");

	dump_file("NETWORK ROUTES", "/proc/net/route");
	dump_file("NETWORK ROUTES IPV6", "/proc/net/ipv6_route");

	/* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
	dump_file("LAST KMSG", "/proc/last_kmsg");
	dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
	dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");

	if (screenshot_path[0]) {
	ALOGI("taking screenshot\n");
	run_command(NULL, 5, SU_PATH, "root", "screenshot", screenshot_path, NULL);
	ALOGI("wrote screenshot: %s\n", screenshot_path);
	}

	run_command("SYSTEM SETTINGS", 20, SU_PATH, "root", "sqlite3",
	"/data/data/com.android.providers.settings/databases/settings.db",
	"pragma user_version; select * from system; select * from secure;", NULL);

	/* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
	run_command("NETWORK INTERFACES", 10, SU_PATH, "root", "netcfg", NULL);
	run_command("IP RULES", 10, "ip", "rule", "show", NULL);
	run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL);
	run_command("ROUTE TABLE 60", 10, "ip", "route", "show", "table", "60", NULL);
	run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "60", NULL);
	run_command("ROUTE TABLE 61", 10, "ip", "route", "show", "table", "61", NULL);
	run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "61", NULL);
	dump_file("ARP CACHE", "/proc/net/arp");
	run_command("IPTABLES", 10, SU_PATH, "root", "iptables", "-L", "-nvx", NULL);
	run_command("IP6TABLES", 10, SU_PATH, "root", "ip6tables", "-L", "-nvx", NULL);
	run_command("IPTABLE NAT", 10, SU_PATH, "root", "iptables", "-t", "nat", "-L", "-n", NULL);
	run_command("IPT6ABLE NAT", 10, SU_PATH, "root", "ip6tables", "-t", "nat", "-L", "-n", NULL);

	run_command("WIFI NETWORKS", 20,
	SU_PATH, "root", "wpa_cli", "list_networks", NULL);

	property_get("dhcp.wlan0.gateway", network, "");
	if (network[0])
	run_command("PING GATEWAY", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
	property_get("dhcp.wlan0.dns1", network, "");
	if (network[0])
	run_command("PING DNS1", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
	property_get("dhcp.wlan0.dns2", network, "");
	if (network[0])
	run_command("PING DNS2", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
	#ifdef FWDUMP_bcm4329
	run_command("DUMP WIFI STATUS", 20,
	SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL);
	run_command("DUMP WIFI INTERNAL COUNTERS", 20,
	SU_PATH, "root", "wlutil", "counters", NULL);
	#endif

	print_properties();

	run_command("VOLD DUMP", 10, "vdc", "dump", NULL);
	run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL);

	run_command("FILESYSTEMS & FREE SPACE", 10, SU_PATH, "root", "df", NULL);

	dump_file("PACKAGE SETTINGS", "/data/system/packages.xml");
	dump_file("PACKAGE UID ERRORS", "/data/system/uiderrors.txt");

	run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL);

	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");

	/* Binder state is expensive to look at as it uses a lot of memory. */
	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");

	#ifdef BOARD_HAS_DUMPSTATE
	printf("========================================================\n");
	printf("== Board\n");
	printf("========================================================\n");

	dumpstate_board();
	printf("\n");
	#endif

	/* Migrate the ril_dumpstate to a dumpstate_board()? */
	char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0};
	property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30");
	if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) {
	if (0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1)) {
	// su does not exist on user builds, so try running without it.
	// This way any implementations of vril-dump that do not require
	// root can run on user builds.
	run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
	"vril-dump", NULL);
	} else {
	run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
	SU_PATH, "root", "vril-dump", NULL);
	}
	}

	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);

	printf("========================================================\n");
	printf("== Running Application Providers\n");
	printf("========================================================\n");

	run_command("APP SERVICES", 30, "dumpsys", "activity", "provider", "all", NULL);


	printf("========================================================\n");
	printf("== dumpstate: done\n");
	printf("========================================================\n");
	}

	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;

	ALOGI("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) {
	if (prctl(PR_SET_KEEPCAPS, 1) < 0) {
	ALOGE("prctl(PR_SET_KEEPCAPS) failed: %s\n", strerror(errno));
	return -1;
	}

	/* switch to non-root user and group */
	gid_t groups[] = { AID_LOG, AID_SDCARD_RW, AID_MOUNT, AID_INET, AID_NET_BW_STATS };
	if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
	ALOGE("Unable to setgroups, aborting: %s\n", strerror(errno));
	return -1;
	}
	if (setgid(AID_SHELL) != 0) {
	ALOGE("Unable to setgid, aborting: %s\n", strerror(errno));
	return -1;
	}
	if (setuid(AID_SHELL) != 0) {
	ALOGE("Unable to setuid, aborting: %s\n", strerror(errno));
	return -1;
	}

	struct __user_cap_header_struct capheader;
	struct __user_cap_data_struct capdata[2];
	memset(&capheader, 0, sizeof(capheader));
	memset(&capdata, 0, sizeof(capdata));
	capheader.version = _LINUX_CAPABILITY_VERSION_3;
	capheader.pid = 0;

	capdata[CAP_TO_INDEX(CAP_SYSLOG)].permitted = CAP_TO_MASK(CAP_SYSLOG);
	capdata[CAP_TO_INDEX(CAP_SYSLOG)].effective = CAP_TO_MASK(CAP_SYSLOG);
	capdata[0].inheritable = 0;
	capdata[1].inheritable = 0;

	if (capset(&capheader, &capdata[0]) < 0) {
	ALOGE("capset failed: %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));
	}

	ALOGI("done\n");

	return 0;
	}