511 lines
20 KiB
C
511 lines
20 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/resource.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <sys/capability.h>
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#include <linux/prctl.h>
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#include <cutils/properties.h>
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#include "private/android_filesystem_config.h"
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#define LOG_TAG "dumpstate"
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#include <utils/Log.h>
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#include "dumpstate.h"
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/* read before root is shed */
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static char cmdline_buf[16384] = "(unknown)";
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static const char *dump_traces_path = NULL;
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static char screenshot_path[PATH_MAX] = "";
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/* dumps the current system state to stdout */
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static void dumpstate() {
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time_t now = time(NULL);
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char build[PROPERTY_VALUE_MAX], fingerprint[PROPERTY_VALUE_MAX];
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char radio[PROPERTY_VALUE_MAX], bootloader[PROPERTY_VALUE_MAX];
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char network[PROPERTY_VALUE_MAX], date[80];
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char build_type[PROPERTY_VALUE_MAX];
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property_get("ro.build.display.id", build, "(unknown)");
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property_get("ro.build.fingerprint", fingerprint, "(unknown)");
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property_get("ro.build.type", build_type, "(unknown)");
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property_get("ro.baseband", radio, "(unknown)");
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property_get("ro.bootloader", bootloader, "(unknown)");
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property_get("gsm.operator.alpha", network, "(unknown)");
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strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now));
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printf("========================================================\n");
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printf("== dumpstate: %s\n", date);
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printf("========================================================\n");
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printf("\n");
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printf("Build: %s\n", build);
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printf("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */
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printf("Bootloader: %s\n", bootloader);
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printf("Radio: %s\n", radio);
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printf("Network: %s\n", network);
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printf("Kernel: ");
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dump_file(NULL, "/proc/version");
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printf("Command line: %s\n", strtok(cmdline_buf, "\n"));
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printf("\n");
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run_command("UPTIME", 10, "uptime", NULL);
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dump_file("MEMORY INFO", "/proc/meminfo");
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run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-t", NULL);
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run_command("PROCRANK", 20, "procrank", NULL);
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dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat");
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dump_file("VMALLOC INFO", "/proc/vmallocinfo");
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dump_file("SLAB INFO", "/proc/slabinfo");
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dump_file("ZONEINFO", "/proc/zoneinfo");
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dump_file("PAGETYPEINFO", "/proc/pagetypeinfo");
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dump_file("BUDDYINFO", "/proc/buddyinfo");
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dump_file("FRAGMENTATION INFO", "/d/extfrag/unusable_index");
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dump_file("KERNEL WAKELOCKS", "/proc/wakelocks");
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dump_file("KERNEL WAKE SOURCES", "/d/wakeup_sources");
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dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
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dump_file("KERNEL SYNC", "/d/sync");
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run_command("PROCESSES", 10, "ps", "-P", NULL);
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run_command("PROCESSES AND THREADS", 10, "ps", "-t", "-p", "-P", NULL);
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run_command("PROCESSES (SELINUX LABELS)", 10, "ps", "-Z", NULL);
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run_command("LIBRANK", 10, "librank", NULL);
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do_dmesg();
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run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL);
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if (screenshot_path[0]) {
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ALOGI("taking screenshot\n");
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run_command(NULL, 10, "/system/bin/screencap", "-p", screenshot_path, NULL);
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ALOGI("wrote screenshot: %s\n", screenshot_path);
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}
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for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES");
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for_each_tid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS");
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// dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
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run_command("SYSTEM LOG", 20, "logcat", "-v", "threadtime", "-d", "*:v", NULL);
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run_command("EVENT LOG", 20, "logcat", "-b", "events", "-v", "threadtime", "-d", "*:v", NULL);
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run_command("RADIO LOG", 20, "logcat", "-b", "radio", "-v", "threadtime", "-d", "*:v", NULL);
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/* show the traces we collected in main(), if that was done */
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if (dump_traces_path != NULL) {
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dump_file("VM TRACES JUST NOW", dump_traces_path);
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}
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/* only show ANR traces if they're less than 15 minutes old */
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struct stat st;
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char anr_traces_path[PATH_MAX];
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property_get("dalvik.vm.stack-trace-file", anr_traces_path, "");
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if (!anr_traces_path[0]) {
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printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n");
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} else if (stat(anr_traces_path, &st)) {
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printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path, strerror(errno));
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} else {
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dump_file("VM TRACES AT LAST ANR", anr_traces_path);
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}
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/* slow traces for slow operations */
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if (anr_traces_path[0] != 0) {
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int tail = strlen(anr_traces_path)-1;
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while (tail > 0 && anr_traces_path[tail] != '/') {
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tail--;
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}
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int i = 0;
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while (1) {
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sprintf(anr_traces_path+tail+1, "slow%02d.txt", i);
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if (stat(anr_traces_path, &st)) {
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// No traces file at this index, done with the files.
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break;
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}
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dump_file("VM TRACES WHEN SLOW", anr_traces_path);
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i++;
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}
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}
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dump_file("NETWORK DEV INFO", "/proc/net/dev");
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dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all");
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dump_file("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt");
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dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl");
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dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats");
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dump_file("NETWORK ROUTES", "/proc/net/route");
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dump_file("NETWORK ROUTES IPV6", "/proc/net/ipv6_route");
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/* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
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dump_file("LAST KMSG", "/proc/last_kmsg");
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dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
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dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");
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run_command("SYSTEM SETTINGS", 20, SU_PATH, "root", "sqlite3",
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"/data/data/com.android.providers.settings/databases/settings.db",
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"pragma user_version; select * from system; select * from secure; select * from global;", NULL);
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/* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
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run_command("NETWORK INTERFACES", 10, SU_PATH, "root", "netcfg", NULL);
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run_command("IP RULES", 10, "ip", "rule", "show", NULL);
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run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL);
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run_command("ROUTE TABLE 60", 10, "ip", "route", "show", "table", "60", NULL);
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run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "60", NULL);
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run_command("ROUTE TABLE 61", 10, "ip", "route", "show", "table", "61", NULL);
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run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "61", NULL);
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dump_file("ARP CACHE", "/proc/net/arp");
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run_command("IPTABLES", 10, SU_PATH, "root", "iptables", "-L", "-nvx", NULL);
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run_command("IP6TABLES", 10, SU_PATH, "root", "ip6tables", "-L", "-nvx", NULL);
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run_command("IPTABLE NAT", 10, SU_PATH, "root", "iptables", "-t", "nat", "-L", "-nvx", NULL);
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/* no ip6 nat */
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run_command("IPTABLE RAW", 10, SU_PATH, "root", "iptables", "-t", "raw", "-L", "-nvx", NULL);
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run_command("IP6TABLE RAW", 10, SU_PATH, "root", "ip6tables", "-t", "raw", "-L", "-nvx", NULL);
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run_command("WIFI NETWORKS", 20,
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SU_PATH, "root", "wpa_cli", "list_networks", NULL);
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#ifdef FWDUMP_bcmdhd
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run_command("DUMP WIFI INTERNAL COUNTERS", 20,
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SU_PATH, "root", "wlutil", "counters", NULL);
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#endif
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dump_file("INTERRUPTS (1)", "/proc/interrupts");
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property_get("dhcp.wlan0.gateway", network, "");
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if (network[0])
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run_command("PING GATEWAY", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
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property_get("dhcp.wlan0.dns1", network, "");
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if (network[0])
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run_command("PING DNS1", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
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property_get("dhcp.wlan0.dns2", network, "");
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if (network[0])
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run_command("PING DNS2", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
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#ifdef FWDUMP_bcmdhd
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run_command("DUMP WIFI STATUS", 20,
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SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL);
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run_command("DUMP WIFI INTERNAL COUNTERS", 20,
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SU_PATH, "root", "wlutil", "counters", NULL);
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#endif
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dump_file("INTERRUPTS (2)", "/proc/interrupts");
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print_properties();
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run_command("VOLD DUMP", 10, "vdc", "dump", NULL);
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run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL);
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run_command("FILESYSTEMS & FREE SPACE", 10, "df", NULL);
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run_command("PACKAGE SETTINGS", 20, SU_PATH, "root", "cat", "/data/system/packages.xml", NULL);
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dump_file("PACKAGE UID ERRORS", "/data/system/uiderrors.txt");
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run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL);
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printf("------ BACKLIGHTS ------\n");
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printf("LCD brightness=");
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dump_file(NULL, "/sys/class/leds/lcd-backlight/brightness");
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printf("Button brightness=");
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dump_file(NULL, "/sys/class/leds/button-backlight/brightness");
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printf("Keyboard brightness=");
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dump_file(NULL, "/sys/class/leds/keyboard-backlight/brightness");
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printf("ALS mode=");
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dump_file(NULL, "/sys/class/leds/lcd-backlight/als");
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printf("LCD driver registers:\n");
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dump_file(NULL, "/sys/class/leds/lcd-backlight/registers");
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printf("\n");
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/* Binder state is expensive to look at as it uses a lot of memory. */
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dump_file("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log");
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dump_file("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log");
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dump_file("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions");
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dump_file("BINDER STATS", "/sys/kernel/debug/binder/stats");
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dump_file("BINDER STATE", "/sys/kernel/debug/binder/state");
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#ifdef BOARD_HAS_DUMPSTATE
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printf("========================================================\n");
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printf("== Board\n");
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printf("========================================================\n");
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dumpstate_board();
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printf("\n");
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#endif
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/* Migrate the ril_dumpstate to a dumpstate_board()? */
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char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0};
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property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30");
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if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) {
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if (0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1)) {
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// su does not exist on user builds, so try running without it.
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// This way any implementations of vril-dump that do not require
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// root can run on user builds.
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run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
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"vril-dump", NULL);
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} else {
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run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
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SU_PATH, "root", "vril-dump", NULL);
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}
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}
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printf("========================================================\n");
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printf("== Android Framework Services\n");
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printf("========================================================\n");
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/* the full dumpsys is starting to take a long time, so we need
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to increase its timeout. we really need to do the timeouts in
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dumpsys itself... */
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run_command("DUMPSYS", 60, "dumpsys", NULL);
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printf("========================================================\n");
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printf("== Checkins\n");
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printf("========================================================\n");
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run_command("CHECKIN BATTERYSTATS", 30, "dumpsys", "batterystats", "--checkin", NULL);
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run_command("CHECKIN MEMINFO", 30, "dumpsys", "meminfo", "--checkin", NULL);
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run_command("CHECKIN NETSTATS", 30, "dumpsys", "netstats", "--checkin", NULL);
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run_command("CHECKIN PROCSTATS", 30, "dumpsys", "procstats", "-c", NULL);
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run_command("CHECKIN USAGESTATS", 30, "dumpsys", "usagestats", "-c", NULL);
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printf("========================================================\n");
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printf("== Running Application Activities\n");
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printf("========================================================\n");
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run_command("APP ACTIVITIES", 30, "dumpsys", "activity", "all", NULL);
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printf("========================================================\n");
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printf("== Running Application Services\n");
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printf("========================================================\n");
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run_command("APP SERVICES", 30, "dumpsys", "activity", "service", "all", NULL);
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printf("========================================================\n");
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printf("== Running Application Providers\n");
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printf("========================================================\n");
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run_command("APP SERVICES", 30, "dumpsys", "activity", "provider", "all", NULL);
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printf("========================================================\n");
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printf("== dumpstate: done\n");
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printf("========================================================\n");
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}
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static void usage() {
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fprintf(stderr, "usage: dumpstate [-b soundfile] [-e soundfile] [-o file [-d] [-p] [-z]] [-s] [-q]\n"
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" -o: write to file (instead of stdout)\n"
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" -d: append date to filename (requires -o)\n"
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" -z: gzip output (requires -o)\n"
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" -p: capture screenshot to filename.png (requires -o)\n"
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" -s: write output to control socket (for init)\n"
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" -b: play sound file instead of vibrate, at beginning of job\n"
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" -e: play sound file instead of vibrate, at end of job\n"
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" -q: disable vibrate\n"
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" -B: send broadcast when finished (requires -o and -p)\n"
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);
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}
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static void sigpipe_handler(int n) {
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(void)n;
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exit(EXIT_FAILURE);
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}
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int main(int argc, char *argv[]) {
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struct sigaction sigact;
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int do_add_date = 0;
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int do_compress = 0;
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int do_vibrate = 1;
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char* use_outfile = 0;
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char* begin_sound = 0;
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char* end_sound = 0;
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int use_socket = 0;
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int do_fb = 0;
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int do_broadcast = 0;
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if (getuid() != 0) {
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// Old versions of the adb client would call the
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// dumpstate command directly. Newer clients
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// call /system/bin/bugreport instead. If we detect
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// we're being called incorrectly, then exec the
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// correct program.
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return execl("/system/bin/bugreport", "/system/bin/bugreport", NULL);
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}
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ALOGI("begin\n");
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memset(&sigact, 0, sizeof(sigact));
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sigact.sa_handler = sigpipe_handler;
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sigaction(SIGPIPE, &sigact, NULL);
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/* set as high priority, and protect from OOM killer */
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setpriority(PRIO_PROCESS, 0, -20);
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FILE *oom_adj = fopen("/proc/self/oom_adj", "w");
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if (oom_adj) {
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fputs("-17", oom_adj);
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fclose(oom_adj);
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}
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/* very first thing, collect stack traces from Dalvik and native processes (needs root) */
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dump_traces_path = dump_traces();
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int c;
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while ((c = getopt(argc, argv, "b:de:ho:svqzpB")) != -1) {
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switch (c) {
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case 'b': begin_sound = optarg; break;
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case 'd': do_add_date = 1; break;
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case 'e': end_sound = optarg; break;
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case 'o': use_outfile = optarg; break;
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case 's': use_socket = 1; break;
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case 'v': break; // compatibility no-op
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case 'q': do_vibrate = 0; break;
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case 'z': do_compress = 6; break;
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case 'p': do_fb = 1; break;
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case 'B': do_broadcast = 1; break;
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case '?': printf("\n");
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case 'h':
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usage();
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exit(1);
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}
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}
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FILE *vibrator = 0;
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if (do_vibrate) {
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/* open the vibrator before dropping root */
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vibrator = fopen("/sys/class/timed_output/vibrator/enable", "w");
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if (vibrator) fcntl(fileno(vibrator), F_SETFD, FD_CLOEXEC);
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}
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/* read /proc/cmdline before dropping root */
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FILE *cmdline = fopen("/proc/cmdline", "r");
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if (cmdline != NULL) {
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fgets(cmdline_buf, sizeof(cmdline_buf), cmdline);
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fclose(cmdline);
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}
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if (prctl(PR_SET_KEEPCAPS, 1) < 0) {
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ALOGE("prctl(PR_SET_KEEPCAPS) failed: %s\n", strerror(errno));
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return -1;
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}
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/* switch to non-root user and group */
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gid_t groups[] = { AID_LOG, AID_SDCARD_R, AID_SDCARD_RW,
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AID_MOUNT, AID_INET, AID_NET_BW_STATS };
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if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
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ALOGE("Unable to setgroups, aborting: %s\n", strerror(errno));
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return -1;
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}
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if (setgid(AID_SHELL) != 0) {
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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));
|
|
}
|
|
|
|
if (do_broadcast && use_outfile && do_fb) {
|
|
run_command(NULL, 5, "/system/bin/am", "broadcast", "--user", "0",
|
|
"-a", "android.intent.action.BUGREPORT_FINISHED",
|
|
"--es", "android.intent.extra.BUGREPORT", path,
|
|
"--es", "android.intent.extra.SCREENSHOT", screenshot_path,
|
|
"--receiver-permission", "android.permission.DUMP", NULL);
|
|
}
|
|
|
|
ALOGI("done\n");
|
|
|
|
return 0;
|
|
}
|