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-rw-r--r--cmds/dumpstate/dumpstate.c501
1 files changed, 197 insertions, 304 deletions
diff --git a/cmds/dumpstate/dumpstate.c b/cmds/dumpstate/dumpstate.c
index a2b5d8d..9300915 100644
--- a/cmds/dumpstate/dumpstate.c
+++ b/cmds/dumpstate/dumpstate.c
@@ -14,361 +14,254 @@
* limitations under the License.
*/
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
+#include <sys/resource.h>
#include <sys/stat.h>
-#include <limits.h>
-#include <errno.h>
-#include <fcntl.h>
#include <sys/time.h>
-#include <sys/resource.h>
+#include <unistd.h>
-#include <cutils/sockets.h>
-#include "private/android_filesystem_config.h"
+#include <cutils/properties.h>
+#include "private/android_filesystem_config.h"
#define LOG_TAG "dumpstate"
#include <utils/Log.h>
#include "dumpstate.h"
-static char* const gzip_args[] = { "gzip", "-6", 0 };
-static int start_pattern[] = { 150, 0 };
-static int end_pattern[] = { 75, 50, 75, 50, 75, 0 };
-
-static struct tm now;
-
-static void dump_kernel_log(const char *path, const char *title) ;
+/* 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(int full) {
- if (full) {
- PRINT("========================================================");
- PRINT("== dumpstate");
- PRINT("========================================================");
- PRINT("------ MEMORY INFO ------");
- DUMP("/proc/meminfo");
- PRINT("------ CPU INFO ------");
- EXEC7("top", "-n", "1", "-d", "1", "-m", "30", "-t");
- PRINT("------ PROCRANK ------");
- EXEC_XBIN("procrank");
- PRINT("------ VIRTUAL MEMORY STATS ------");
- DUMP("/proc/vmstat");
- PRINT("------ VMALLOC INFO ------");
- DUMP("/proc/vmallocinfo");
- PRINT("------ SLAB INFO ------");
- DUMP("/proc/slabinfo");
- PRINT("------ ZONEINFO ------");
- DUMP("/proc/zoneinfo");
- PRINT("------ SYSTEM LOG ------");
- EXEC4("logcat", "-v", "time", "-d", "*:v");
- PRINT("------ VM TRACES ------");
- DUMP("/data/anr/traces.txt");
- PRINT("------ EVENT LOG TAGS ------");
- DUMP("/etc/event-log-tags");
- PRINT("------ EVENT LOG ------");
- EXEC6("logcat", "-b", "events", "-v", "time", "-d", "*:v");
- PRINT("------ RADIO LOG ------");
- EXEC6("logcat", "-b", "radio", "-v", "time", "-d", "*:v");
- PRINT("------ NETWORK STATE ------");
- PRINT("Interfaces:");
- EXEC("netcfg");
- PRINT("");
- PRINT("Routes:");
- DUMP("/proc/net/route");
-#ifdef FWDUMP_bcm4329
- PRINT("Dump wlan FW log");
- EXEC_XBIN6("su", "root","dhdutil","-i","eth0","upload","/data/local/tmp/wlan_crash.dump");
-#endif
- PRINT("------ SYSTEM PROPERTIES ------");
- print_properties();
- PRINT("------ KERNEL LOG ------");
- EXEC("dmesg");
- PRINT("------ KERNEL WAKELOCKS ------");
- DUMP("/proc/wakelocks");
- PRINT("------ KERNEL CPUFREQ ------");
- DUMP("/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
- PRINT("");
- PRINT("------ PROCESSES ------");
- EXEC1("ps", "-P");
- PRINT("------ PROCESSES AND THREADS ------");
- EXEC3("ps", "-t", "-p", "-P");
- PRINT("------ LIBRANK ------");
- EXEC_XBIN("librank");
- PRINT("------ BINDER FAILED TRANSACTION LOG ------");
- DUMP("/proc/binder/failed_transaction_log");
- PRINT("");
- PRINT("------ BINDER TRANSACTION LOG ------");
- DUMP("/proc/binder/transaction_log");
- PRINT("");
- PRINT("------ BINDER TRANSACTIONS ------");
- DUMP("/proc/binder/transactions");
- PRINT("");
- PRINT("------ BINDER STATS ------");
- DUMP("/proc/binder/stats");
- PRINT("");
- PRINT("------ BINDER PROCESS STATE: $i ------");
- DUMP_FILES("/proc/binder/proc");
- PRINT("------ FILESYSTEMS ------");
- EXEC("df");
- PRINT("------ PACKAGE SETTINGS ------");
- DUMP("/data/system/packages.xml");
- PRINT("------ PACKAGE UID ERRORS ------");
- DUMP("/data/system/uiderrors.txt");
-
- dump_kernel_log("/proc/last_kmsg", "LAST KMSG");
-
- PRINT("------ LAST RADIO LOG ------");
- EXEC1("parse_radio_log", "/proc/last_radio_log");
-
- dump_kernel_log("/data/dontpanic/apanic_console",
- "PANIC CONSOLE");
- dump_kernel_log("/data/dontpanic/apanic_threads",
- "PANIC THREADS");
-
- PRINT("------ BACKLIGHTS ------");
- DUMP_PROMPT("LCD brightness=", "/sys/class/leds/lcd-backlight/brightness");
- DUMP_PROMPT("Button brightness=", "/sys/class/leds/button-backlight/brightness");
- DUMP_PROMPT("Keyboard brightness=", "/sys/class/leds/keyboard-backlight/brightness");
- DUMP_PROMPT("ALS mode=", "/sys/class/leds/lcd-backlight/als");
- DUMP_PROMPT("LCD driver registers:\n", "/sys/class/leds/lcd-backlight/registers");
+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);
}
- PRINT("========================================================");
- PRINT("== build.prop");
- PRINT("========================================================");
-
- /* the crash server parses key-value pairs between the VERSION INFO and
- * END lines so we can aggregate crash reports based on this data.
- */
- PRINT("------ VERSION INFO ------");
- print_date("currenttime=", &now);
- DUMP_PROMPT("kernel.version=", "/proc/version");
- DUMP_PROMPT("kernel.cmdline=", "/proc/cmdline");
- DUMP("/system/build.prop");
- PROPERTY("gsm.version.ril-impl");
- PROPERTY("gsm.version.baseband");
- PROPERTY("gsm.imei");
- PROPERTY("gsm.sim.operator.numeric");
- PROPERTY("gsm.operator.alpha");
- PRINT("------ END ------");
-
- if (full) {
- PRINT("========================================================");
- PRINT("== dumpsys");
- PRINT("========================================================");
- /* 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... */
- EXEC_TIMEOUT("dumpsys", 60);
+
+ /* 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] && !stat(anr_traces_path, &st) && time(NULL) - st.st_mtime < 15 * 60) {
+ dump_file("VM TRACES AT LAST ANR", anr_traces_path);
}
-}
-/* used to check the file name passed via argv[0] */
-static int check_command_name(const char* name, const char* test) {
- int name_length, test_length;
+ // 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);
- if (!strcmp(name, test))
- return 1;
+ run_command("NETWORK INTERFACES", 10, "netcfg", NULL);
+ dump_file("NETWORK ROUTES", "/proc/net/route");
- name_length = strlen(name);
- test_length = strlen(test);
+#ifdef FWDUMP_bcm4329
+ run_command("DUMP WIFI FIRMWARE LOG", 60,
+ "dhdutil", "-i", "eth0", "upload", "/data/local/tmp/wlan_crash.dump", NULL);
+#endif
- if (name_length > test_length + 2) {
- name += (name_length - test_length);
- if (name[-1] != '/')
- return 0;
- if (!strcmp(name, test))
- return 1;
- }
+ 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("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");
+
+ 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);
+}
- return 0;
+
+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 dumpcrash = check_command_name(argv[0], "dumpcrash");
- int add_date = 0;
- char* outfile = 0;
- int vibrate = 0;
- int compress = 0;
- int socket = 0;
- int c, fd, vibrate_fd, fds[2];
- char path[PATH_MAX];
- pid_t pid;
- gid_t groups[] = { AID_LOG, AID_SDCARD_RW };
+ 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);
- protect_from_oom_killer();
+ FILE *oom_adj = fopen("/proc/self/oom_adj", "w");
+ if (oom_adj) {
+ fputs("-17", oom_adj);
+ fclose(oom_adj);
+ }
- get_time(&now);
+ /* very first thing, collect VM traces from Dalvik (needs root) */
+ dump_traces_path = dump_vm_traces();
- do {
- c = getopt(argc, argv, "do:svz");
- if (c == EOF)
- break;
+ int c;
+ while ((c = getopt(argc, argv, "dho:svz")) != -1) {
switch (c) {
- case 'd':
- add_date = 1;
- break;
- case 'o':
- outfile = optarg;
- break;
- case 'v':
- vibrate = 1;
- break;
- case 'z':
- compress = 1;
- break;
- case 's':
- socket = 1;
- break;
- case '?':
- fprintf(stderr, "%s: invalid option -%c\n",
- argv[0], optopt);
+ 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);
}
- } while (1);
+ }
- /* open vibrator before switching user */
- if (vibrate) {
- vibrate_fd = open("/sys/class/timed_output/vibrator/enable", O_WRONLY);
- if (vibrate_fd > 0)
- fcntl(vibrate_fd, F_SETFD, FD_CLOEXEC);
- } else
- vibrate_fd = -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 };
setgroups(sizeof(groups)/sizeof(groups[0]), groups);
setuid(AID_SHELL);
- /* make it safe to use both printf and STDOUT_FILENO */
- setvbuf(stdout, 0, _IONBF, 0);
-
- if (socket) {
- struct sockaddr addr;
- socklen_t alen;
-
- int s = android_get_control_socket("dumpstate");
- if (s < 0) {
- fprintf(stderr, "could not open dumpstate socket\n");
- exit(1);
- }
- if (listen(s, 4) < 0) {
- fprintf(stderr, "could not listen on dumpstate socket\n");
- exit(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));
}
+ 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);
+ }
- alen = sizeof(addr);
- fd = accept(s, &addr, &alen);
- if (fd < 0) {
- fprintf(stderr, "could not accept dumpstate socket\n");
- exit(1);
- }
+ /* bzzzzzz */
+ if (vibrator) {
+ fputs("150", vibrator);
+ fflush(vibrator);
+ }
- /* redirect stdout to the socket */
- dup2(fd, STDOUT_FILENO);
- close(fd);
- } else if (outfile) {
- if (strlen(outfile) > sizeof(path) - 100)
- exit(1);
-
- strcpy(path, outfile);
- if (add_date) {
- char date[260];
- strftime(date, sizeof(date),
- "-%Y-%m-%d-%H-%M-%S",
- &now);
- strcat(path, date);
- }
- if (compress)
- strcat(path, ".gz");
- else
- strcat(path, ".txt");
-
- /* ensure that all directories in the path exist */
- create_directories(path);
- fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
- if (fd < 0)
- return fd;
-
- if (compress) {
- pipe(fds);
-
- /* redirect our stdout to the pipe */
- dup2(fds[1], STDOUT_FILENO);
- close(fds[1]);
-
- if ((pid = fork()) < 0)
- {
- fprintf(stderr, "fork error\n");
- exit(1);
- }
-
- if (pid) {
- /* parent case */
-
- /* close our copy of the input to gzip */
- close(fds[0]);
- /* close our copy of the output file */
- close(fd);
- } else {
- /* child case */
-
- /* redirect our input pipe to stdin */
- dup2(fds[0], STDIN_FILENO);
- close(fds[0]);
-
- /* redirect stdout to the output file */
- dup2(fd, STDOUT_FILENO);
- close(fd);
-
- /* run gzip to postprocess our output */
- execv("/system/bin/gzip", gzip_args);
- fprintf(stderr, "execv returned\n");
- }
- } else {
- /* redirect stdout to the output file */
- dup2(fd, STDOUT_FILENO);
- close(fd);
+ 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);
}
- /* else everything will print to stdout */
- if (vibrate) {
- vibrate_pattern(vibrate_fd, start_pattern);
- }
- dumpstate(!dumpcrash);
- if (vibrate) {
- vibrate_pattern(vibrate_fd, end_pattern);
- close(vibrate_fd);
+ /* wait for gzip to finish, otherwise it might get killed when we exit */
+ if (gzip_pid > 0) {
+ fclose(stdout);
+ waitpid(gzip_pid, NULL, 0);
}
- /* so gzip will terminate */
- close(STDOUT_FILENO);
+ /* 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;
}
-
-static void dump_kernel_log(const char *path, const char *title)
-
-{
- printf("------ KERNEL %s LOG ------\n", title);
- if (access(path, R_OK) < 0)
- printf("%s: %s\n", path, strerror(errno));
- else {
- struct stat sbuf;
-
- if (stat(path, &sbuf) < 0)
- printf("%s: stat failed (%s)\n", path, strerror(errno));
- else
- printf("Harvested %s", ctime(&sbuf.st_mtime));
-
- DUMP(path);
- }
-}
generated by cgit v1.1 at 2025-11-27 11:27:11 +0000