move dumpstate and dumpsys from frameworks/base to frameworks/native
Change-Id: I8a5318022ce5cd3e7c8055f21fe5da74639aa6c0
diff --git a/cmds/dumpstate/Android.mk b/cmds/dumpstate/Android.mk
new file mode 100644
index 0000000..d602500
--- /dev/null
+++ b/cmds/dumpstate/Android.mk
@@ -0,0 +1,19 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+ifdef BOARD_WLAN_DEVICE
+LOCAL_CFLAGS := -DFWDUMP_$(BOARD_WLAN_DEVICE)
+endif
+
+LOCAL_SRC_FILES := dumpstate.c utils.c
+
+LOCAL_MODULE := dumpstate
+
+LOCAL_SHARED_LIBRARIES := libcutils
+
+ifdef BOARD_LIB_DUMPSTATE
+LOCAL_STATIC_LIBRARIES := $(BOARD_LIB_DUMPSTATE)
+LOCAL_CFLAGS += -DBOARD_HAS_DUMPSTATE
+endif
+
+include $(BUILD_EXECUTABLE)
diff --git a/cmds/dumpstate/dumpstate.c b/cmds/dumpstate/dumpstate.c
new file mode 100644
index 0000000..aa95b35
--- /dev/null
+++ b/cmds/dumpstate/dumpstate.c
@@ -0,0 +1,452 @@
+/*
+ * 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;
+}
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
new file mode 100644
index 0000000..c1c2ad8
--- /dev/null
+++ b/cmds/dumpstate/dumpstate.h
@@ -0,0 +1,62 @@
+/*
+ * 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.
+ */
+
+#ifndef _DUMPSTATE_H_
+#define _DUMPSTATE_H_
+
+#include <time.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#define SU_PATH "/system/xbin/su"
+
+/* prints the contents of a file */
+int dump_file(const char *title, const char* path);
+
+/* forks a command and waits for it to finish -- terminate args with NULL */
+int run_command(const char *title, int timeout_seconds, const char *command, ...);
+
+/* prints all the system properties */
+void print_properties();
+
+/* redirect output to a service control socket */
+void redirect_to_socket(FILE *redirect, const char *service);
+
+/* redirect output to a file, optionally gzipping; returns gzip pid */
+pid_t redirect_to_file(FILE *redirect, char *path, int gzip_level);
+
+/* dump Dalvik stack traces, return the trace file location (NULL if none) */
+const char *dump_vm_traces();
+
+/* for each process in the system, run the specified function */
+void for_each_pid(void (*func)(int, const char *), const char *header);
+
+/* Displays a blocked processes in-kernel wait channel */
+void show_wchan(int pid, const char *name);
+
+/* Runs "showmap" for a process */
+void do_showmap(int pid, const char *name);
+
+/* Gets the dmesg output for the kernel */
+void do_dmesg();
+
+/* Play a sound via Stagefright */
+void play_sound(const char* path);
+
+/* Implemented by libdumpstate_board to dump board-specific info */
+void dumpstate_board();
+
+#endif /* _DUMPSTATE_H_ */
diff --git a/cmds/dumpstate/utils.c b/cmds/dumpstate/utils.c
new file mode 100644
index 0000000..0d5ab90
--- /dev/null
+++ b/cmds/dumpstate/utils.c
@@ -0,0 +1,470 @@
+/*
+ * 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 <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <poll.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/inotify.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <sys/klog.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <cutils/properties.h>
+#include <cutils/sockets.h>
+#include <private/android_filesystem_config.h>
+
+#include "dumpstate.h"
+
+void for_each_pid(void (*func)(int, const char *), const char *header) {
+ DIR *d;
+ struct dirent *de;
+
+ if (!(d = opendir("/proc"))) {
+ printf("Failed to open /proc (%s)\n", strerror(errno));
+ return;
+ }
+
+ printf("\n------ %s ------\n", header);
+ while ((de = readdir(d))) {
+ int pid;
+ int fd;
+ char cmdpath[255];
+ char cmdline[255];
+
+ if (!(pid = atoi(de->d_name))) {
+ continue;
+ }
+
+ sprintf(cmdpath,"/proc/%d/cmdline", pid);
+ memset(cmdline, 0, sizeof(cmdline));
+ if ((fd = open(cmdpath, O_RDONLY)) < 0) {
+ strcpy(cmdline, "N/A");
+ } else {
+ read(fd, cmdline, sizeof(cmdline));
+ close(fd);
+ }
+ func(pid, cmdline);
+ }
+
+ closedir(d);
+}
+
+void show_wchan(int pid, const char *name) {
+ char path[255];
+ char buffer[255];
+ int fd;
+
+ memset(buffer, 0, sizeof(buffer));
+
+ sprintf(path, "/proc/%d/wchan", pid);
+ if ((fd = open(path, O_RDONLY)) < 0) {
+ printf("Failed to open '%s' (%s)\n", path, strerror(errno));
+ return;
+ }
+
+ if (read(fd, buffer, sizeof(buffer)) < 0) {
+ printf("Failed to read '%s' (%s)\n", path, strerror(errno));
+ goto out_close;
+ }
+
+ printf("%-7d %-32s %s\n", pid, name, buffer);
+
+out_close:
+ close(fd);
+ return;
+}
+
+void do_dmesg() {
+ printf("------ KERNEL LOG (dmesg) ------\n");
+ int size = klogctl(10, NULL, 0); /* Get size of kernel buffer */
+ if (size <= 0) {
+ printf("Unexpected klogctl return value: %d\n\n", size);
+ return;
+ }
+ char *buf = (char *) malloc(size + 1);
+ if (buf == NULL) {
+ printf("memory allocation failed\n\n");
+ return;
+ }
+ int retval = klogctl(KLOG_READ_ALL, buf, size);
+ if (retval < 0) {
+ printf("klogctl failure\n\n");
+ free(buf);
+ return;
+ }
+ buf[retval] = '\0';
+ printf("%s\n\n", buf);
+ free(buf);
+ return;
+}
+
+void do_showmap(int pid, const char *name) {
+ char title[255];
+ char arg[255];
+
+ sprintf(title, "SHOW MAP %d (%s)", pid, name);
+ sprintf(arg, "%d", pid);
+ run_command(title, 10, SU_PATH, "root", "showmap", arg, NULL);
+}
+
+/* prints the contents of a file */
+int dump_file(const char *title, const char* path) {
+ char buffer[32768];
+ int fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ int err = errno;
+ if (title) printf("------ %s (%s) ------\n", title, path);
+ printf("*** %s: %s\n", path, strerror(err));
+ if (title) printf("\n");
+ return -1;
+ }
+
+ if (title) printf("------ %s (%s", title, path);
+
+ if (title) {
+ struct stat st;
+ if (memcmp(path, "/proc/", 6) && memcmp(path, "/sys/", 5) && !fstat(fd, &st)) {
+ char stamp[80];
+ time_t mtime = st.st_mtime;
+ strftime(stamp, sizeof(stamp), "%Y-%m-%d %H:%M:%S", localtime(&mtime));
+ printf(": %s", stamp);
+ }
+ printf(") ------\n");
+ }
+
+ int newline = 0;
+ for (;;) {
+ int ret = read(fd, buffer, sizeof(buffer));
+ if (ret > 0) {
+ newline = (buffer[ret - 1] == '\n');
+ ret = fwrite(buffer, ret, 1, stdout);
+ }
+ if (ret <= 0) break;
+ }
+
+ close(fd);
+ if (!newline) printf("\n");
+ if (title) printf("\n");
+ return 0;
+}
+
+/* forks a command and waits for it to finish */
+int run_command(const char *title, int timeout_seconds, const char *command, ...) {
+ fflush(stdout);
+ clock_t start = clock();
+ pid_t pid = fork();
+
+ /* handle error case */
+ if (pid < 0) {
+ printf("*** fork: %s\n", strerror(errno));
+ return pid;
+ }
+
+ /* handle child case */
+ if (pid == 0) {
+ const char *args[1024] = {command};
+ size_t arg;
+
+ va_list ap;
+ va_start(ap, command);
+ if (title) printf("------ %s (%s", title, command);
+ for (arg = 1; arg < sizeof(args) / sizeof(args[0]); ++arg) {
+ args[arg] = va_arg(ap, const char *);
+ if (args[arg] == NULL) break;
+ if (title) printf(" %s", args[arg]);
+ }
+ if (title) printf(") ------\n");
+ fflush(stdout);
+
+ execvp(command, (char**) args);
+ printf("*** exec(%s): %s\n", command, strerror(errno));
+ fflush(stdout);
+ _exit(-1);
+ }
+
+ /* handle parent case */
+ for (;;) {
+ int status;
+ pid_t p = waitpid(pid, &status, WNOHANG);
+ float elapsed = (float) (clock() - start) / CLOCKS_PER_SEC;
+ if (p == pid) {
+ if (WIFSIGNALED(status)) {
+ printf("*** %s: Killed by signal %d\n", command, WTERMSIG(status));
+ } else if (WIFEXITED(status) && WEXITSTATUS(status) > 0) {
+ printf("*** %s: Exit code %d\n", command, WEXITSTATUS(status));
+ }
+ if (title) printf("[%s: %.1fs elapsed]\n\n", command, elapsed);
+ return status;
+ }
+
+ if (timeout_seconds && elapsed > timeout_seconds) {
+ printf("*** %s: Timed out after %.1fs (killing pid %d)\n", command, elapsed, pid);
+ kill(pid, SIGTERM);
+ return -1;
+ }
+
+ usleep(100000); // poll every 0.1 sec
+ }
+}
+
+size_t num_props = 0;
+static char* props[2000];
+
+static void print_prop(const char *key, const char *name, void *user) {
+ (void) user;
+ if (num_props < sizeof(props) / sizeof(props[0])) {
+ char buf[PROPERTY_KEY_MAX + PROPERTY_VALUE_MAX + 10];
+ snprintf(buf, sizeof(buf), "[%s]: [%s]\n", key, name);
+ props[num_props++] = strdup(buf);
+ }
+}
+
+static int compare_prop(const void *a, const void *b) {
+ return strcmp(*(char * const *) a, *(char * const *) b);
+}
+
+/* prints all the system properties */
+void print_properties() {
+ size_t i;
+ num_props = 0;
+ property_list(print_prop, NULL);
+ qsort(&props, num_props, sizeof(props[0]), compare_prop);
+
+ printf("------ SYSTEM PROPERTIES ------\n");
+ for (i = 0; i < num_props; ++i) {
+ fputs(props[i], stdout);
+ free(props[i]);
+ }
+ printf("\n");
+}
+
+/* redirect output to a service control socket */
+void redirect_to_socket(FILE *redirect, const char *service) {
+ int s = android_get_control_socket(service);
+ if (s < 0) {
+ fprintf(stderr, "android_get_control_socket(%s): %s\n", service, strerror(errno));
+ exit(1);
+ }
+ if (listen(s, 4) < 0) {
+ fprintf(stderr, "listen(control socket): %s\n", strerror(errno));
+ exit(1);
+ }
+
+ struct sockaddr addr;
+ socklen_t alen = sizeof(addr);
+ int fd = accept(s, &addr, &alen);
+ if (fd < 0) {
+ fprintf(stderr, "accept(control socket): %s\n", strerror(errno));
+ exit(1);
+ }
+
+ fflush(redirect);
+ dup2(fd, fileno(redirect));
+ close(fd);
+}
+
+/* redirect output to a file, optionally gzipping; returns gzip pid (or -1) */
+pid_t redirect_to_file(FILE *redirect, char *path, int gzip_level) {
+ char *chp = path;
+
+ /* skip initial slash */
+ if (chp[0] == '/')
+ chp++;
+
+ /* create leading directories, if necessary */
+ while (chp && chp[0]) {
+ chp = strchr(chp, '/');
+ if (chp) {
+ *chp = 0;
+ mkdir(path, 0775); /* drwxrwxr-x */
+ *chp++ = '/';
+ }
+ }
+
+ int fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+ if (fd < 0) {
+ fprintf(stderr, "%s: %s\n", path, strerror(errno));
+ exit(1);
+ }
+
+ pid_t gzip_pid = -1;
+ if (gzip_level > 0) {
+ int fds[2];
+ if (pipe(fds)) {
+ fprintf(stderr, "pipe: %s\n", strerror(errno));
+ exit(1);
+ }
+
+ fflush(redirect);
+ fflush(stdout);
+
+ gzip_pid = fork();
+ if (gzip_pid < 0) {
+ fprintf(stderr, "fork: %s\n", strerror(errno));
+ exit(1);
+ }
+
+ if (gzip_pid == 0) {
+ dup2(fds[0], STDIN_FILENO);
+ dup2(fd, STDOUT_FILENO);
+
+ close(fd);
+ close(fds[0]);
+ close(fds[1]);
+
+ char level[10];
+ snprintf(level, sizeof(level), "-%d", gzip_level);
+ execlp("gzip", "gzip", level, NULL);
+ fprintf(stderr, "exec(gzip): %s\n", strerror(errno));
+ _exit(-1);
+ }
+
+ close(fd);
+ close(fds[0]);
+ fd = fds[1];
+ }
+
+ dup2(fd, fileno(redirect));
+ close(fd);
+ return gzip_pid;
+}
+
+/* dump Dalvik stack traces, return the trace file location (NULL if none) */
+const char *dump_vm_traces() {
+ char traces_path[PROPERTY_VALUE_MAX] = "";
+ property_get("dalvik.vm.stack-trace-file", traces_path, "");
+ if (!traces_path[0]) return NULL;
+
+ /* move the old traces.txt (if any) out of the way temporarily */
+ char anr_traces_path[PATH_MAX];
+ strlcpy(anr_traces_path, traces_path, sizeof(anr_traces_path));
+ strlcat(anr_traces_path, ".anr", sizeof(anr_traces_path));
+ if (rename(traces_path, anr_traces_path) && errno != ENOENT) {
+ fprintf(stderr, "rename(%s, %s): %s\n", traces_path, anr_traces_path, strerror(errno));
+ return NULL; // Can't rename old traces.txt -- no permission? -- leave it alone instead
+ }
+
+ /* make the directory if necessary */
+ char anr_traces_dir[PATH_MAX];
+ strlcpy(anr_traces_dir, traces_path, sizeof(anr_traces_dir));
+ char *slash = strrchr(anr_traces_dir, '/');
+ if (slash != NULL) {
+ *slash = '\0';
+ if (!mkdir(anr_traces_dir, 0775)) {
+ chown(anr_traces_dir, AID_SYSTEM, AID_SYSTEM);
+ } else if (errno != EEXIST) {
+ fprintf(stderr, "mkdir(%s): %s\n", anr_traces_dir, strerror(errno));
+ return NULL;
+ }
+ }
+
+ /* create a new, empty traces.txt file to receive stack dumps */
+ int fd = open(traces_path, O_CREAT | O_WRONLY | O_TRUNC, 0666); /* -rw-rw-rw- */
+ if (fd < 0) {
+ fprintf(stderr, "%s: %s\n", traces_path, strerror(errno));
+ return NULL;
+ }
+ close(fd);
+
+ /* walk /proc and kill -QUIT all Dalvik processes */
+ DIR *proc = opendir("/proc");
+ if (proc == NULL) {
+ fprintf(stderr, "/proc: %s\n", strerror(errno));
+ return NULL;
+ }
+
+ /* use inotify to find when processes are done dumping */
+ int ifd = inotify_init();
+ if (ifd < 0) {
+ fprintf(stderr, "inotify_init: %s\n", strerror(errno));
+ return NULL;
+ }
+
+ int wfd = inotify_add_watch(ifd, traces_path, IN_CLOSE_WRITE);
+ if (wfd < 0) {
+ fprintf(stderr, "inotify_add_watch(%s): %s\n", traces_path, strerror(errno));
+ return NULL;
+ }
+
+ struct dirent *d;
+ int dalvik_found = 0;
+ while ((d = readdir(proc))) {
+ int pid = atoi(d->d_name);
+ if (pid <= 0) continue;
+
+ /* identify Dalvik: /proc/(pid)/exe = /system/bin/app_process */
+ char path[PATH_MAX], data[PATH_MAX];
+ snprintf(path, sizeof(path), "/proc/%d/exe", pid);
+ size_t len = readlink(path, data, sizeof(data) - 1);
+ if (len <= 0 || memcmp(data, "/system/bin/app_process", 23)) continue;
+
+ /* skip zygote -- it won't dump its stack anyway */
+ snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
+ int fd = open(path, O_RDONLY);
+ len = read(fd, data, sizeof(data) - 1);
+ close(fd);
+ if (len <= 0 || !memcmp(data, "zygote", 6)) continue;
+
+ ++dalvik_found;
+ if (kill(pid, SIGQUIT)) {
+ fprintf(stderr, "kill(%d, SIGQUIT): %s\n", pid, strerror(errno));
+ continue;
+ }
+
+ /* wait for the writable-close notification from inotify */
+ struct pollfd pfd = { ifd, POLLIN, 0 };
+ int ret = poll(&pfd, 1, 200); /* 200 msec timeout */
+ if (ret < 0) {
+ fprintf(stderr, "poll: %s\n", strerror(errno));
+ } else if (ret == 0) {
+ fprintf(stderr, "warning: timed out dumping pid %d\n", pid);
+ } else {
+ struct inotify_event ie;
+ read(ifd, &ie, sizeof(ie));
+ }
+ }
+
+ close(ifd);
+ if (dalvik_found == 0) {
+ fprintf(stderr, "Warning: no Dalvik processes found to dump stacks\n");
+ }
+
+ static char dump_traces_path[PATH_MAX];
+ strlcpy(dump_traces_path, traces_path, sizeof(dump_traces_path));
+ strlcat(dump_traces_path, ".bugreport", sizeof(dump_traces_path));
+ if (rename(traces_path, dump_traces_path)) {
+ fprintf(stderr, "rename(%s, %s): %s\n", traces_path, dump_traces_path, strerror(errno));
+ return NULL;
+ }
+
+ /* replace the saved [ANR] traces.txt file */
+ rename(anr_traces_path, traces_path);
+ return dump_traces_path;
+}
+
+void play_sound(const char* path) {
+ run_command(NULL, 5, "/system/bin/stagefright", "-o", "-a", path, NULL);
+}