| /* |
| * 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; |
| |
| /* 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"); |
| |
| run_command("SYSTEM LOG", 20, "logcat", "-v", "time", "-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", "time", "-d", "*:v", NULL); |
| run_command("RADIO LOG", 20, "logcat", "-b", "radio", "-v", "time", "-d", "*:v", NULL); |
| |
| run_command("NETWORK INTERFACES", 10, "netcfg", NULL); |
| dump_file("NETWORK ROUTES", "/proc/net/route"); |
| dump_file("ARP CACHE", "/proc/net/arp"); |
| |
| #ifdef FWDUMP_bcm4329 |
| run_command("DUMP WIFI FIRMWARE LOG", 60, |
| "su", "root", "dhdutil", "-i", "eth0", "upload", "/data/local/tmp/wlan_crash.dump", 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", "/proc/binder/failed_transaction_log"); |
| dump_file("BINDER TRANSACTION LOG", "/proc/binder/transaction_log"); |
| dump_file("BINDER TRANSACTIONS", "/proc/binder/transactions"); |
| dump_file("BINDER STATS", "/proc/binder/stats"); |
| run_command("BINDER PROCESS STATE", 10, "sh", "-c", "cat /proc/binder/proc/*"); |
| |
| run_command("FILESYSTEMS & FREE SPACE", 10, "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); |
| } |
| |
| static void usage() { |
| fprintf(stderr, "usage: dumpstate [-d] [-o file] [-s] [-z]\n" |
| " -d: append date to filename (requires -o)\n" |
| " -o: write to file (instead of stdout)\n" |
| " -s: write output to control socket (for init)\n" |
| " -z: gzip output (requires -o)\n"); |
| } |
| |
| int main(int argc, char *argv[]) { |
| int do_add_date = 0; |
| int do_compress = 0; |
| char* use_outfile = 0; |
| int use_socket = 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, "dho:svz")) != -1) { |
| switch (c) { |
| case 'd': do_add_date = 1; 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 '?': 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); |
| } |
| |
| /* switch to non-root user and group */ |
| gid_t groups[] = { AID_LOG, AID_SDCARD_RW, AID_MOUNT }; |
| setgroups(sizeof(groups)/sizeof(groups[0]), groups); |
| setuid(AID_SHELL); |
| |
| 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)); |
| } |
| 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); |
| } |
| |
| /* bzzzzzz */ |
| if (vibrator) { |
| fputs("150", vibrator); |
| fflush(vibrator); |
| } |
| |
| dumpstate(); |
| |
| /* bzzz bzzz bzzz */ |
| 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; |
| } |