/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include "private/android_filesystem_config.h" #define LOG_TAG "dumpstate" #include #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("FRAGMENTATION INFO", "/d/extfrag/unusable_index"); dump_file("KERNEL WAKELOCKS", "/proc/wakelocks"); dump_file("KERNEL WAKE SOURCES", "/d/wakeup_sources"); dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state"); dump_file("KERNEL SYNC", "/d/sync"); 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 NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt"); 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; select * from global;", 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", "-nvx", NULL); /* no ip6 nat */ run_command("IPTABLE RAW", 10, SU_PATH, "root", "iptables", "-t", "raw", "-L", "-nvx", NULL); run_command("IP6TABLE RAW", 10, SU_PATH, "root", "ip6tables", "-t", "raw", "-L", "-nvx", NULL); run_command("WIFI NETWORKS", 20, SU_PATH, "root", "wpa_cli", "list_networks", NULL); #ifdef FWDUMP_bcmdhd run_command("DUMP WIFI INTERNAL COUNTERS", 20, SU_PATH, "root", "wlutil", "counters", NULL); #endif 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_bcmdhd 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); run_command("PACKAGE SETTINGS", 20, SU_PATH, "root", "cat", "/data/system/packages.xml", NULL); 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] [-q]\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" " -q: disable vibrate\n" ); } int main(int argc, char *argv[]) { int do_add_date = 0; int do_compress = 0; int do_vibrate = 1; char* use_outfile = 0; char* begin_sound = 0; char* end_sound = 0; int use_socket = 0; int do_fb = 0; if (getuid() != 0) { // Old versions of the adb client would call the // dumpstate command directly. Newer clients // call /system/bin/bugreport instead. If we detect // we're being called incorrectly, then exec the // correct program. return execl("/system/bin/bugreport", "/system/bin/bugreport", NULL); } ALOGI("begin\n"); signal(SIGPIPE, SIG_IGN); /* 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 stack traces from Dalvik and native processes (needs root) */ dump_traces_path = dump_traces(); int c; while ((c = getopt(argc, argv, "b:de:ho:svqzp")) != -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 'q': do_vibrate = 0; break; case 'z': do_compress = 6; break; case 'p': do_fb = 1; break; case '?': printf("\n"); case 'h': usage(); exit(1); } } FILE *vibrator = 0; if (do_vibrate) { /* open the vibrator before dropping root */ 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 (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_R, 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; }