cmds/dumpstate/dumpstate.c - platform/frameworks/base - Gitiles

 /*
  * 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 <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/stat.h>
 #include <limits.h>
 #include <fcntl.h>
 #include <sys/time.h>
 #include <sys/resource.h>

 #include "private/android_filesystem_config.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;

 /* 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("------ 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");
         PRINT("------ SYSTEM PROPERTIES ------");
         print_properties();
         PRINT("------ KERNEL LOG ------");
         EXEC("dmesg");
         PRINT("------ KERNEL WAKELOCKS ------");
         DUMP("/proc/wakelocks");
         PRINT("");
         PRINT("------ PROCESSES ------");
         EXEC("ps");
         PRINT("------ PROCESSES AND THREADS ------");
         EXEC2("ps", "-t", "-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");
         PRINT("------ LAST KERNEL LOG ------");
         DUMP("/proc/last_kmsg");
     }
     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);
     }
 }

 /* 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;

     if (!strcmp(name, test))
         return 1;

     name_length = strlen(name);
     test_length = strlen(test);

     if (name_length > test_length + 2) {
         name += (name_length - test_length);
         if (name[-1] != '/')
             return 0;
         if (!strcmp(name, test))
             return 1;
     }

     return 0;
 }

 int main(int argc, char *argv[]) {
     int dumpcrash = check_command_name(argv[0], "dumpcrash");
     int bugreport = check_command_name(argv[0], "bugreport");
     int add_date = 0;
     char* outfile = 0;
     int vibrate = 0;
     int compress = 0;
     int c, fd, vibrate_fd, fds[2];
     char path[PATH_MAX];
     pid_t   pid;
     gid_t groups[] = { AID_LOG, AID_SDCARD_RW };

     /* set as high priority, and protect from OOM killer */
     setpriority(PRIO_PROCESS, 0, -20);
     protect_from_oom_killer();

     get_time(&now);

     if (bugreport) {
         do {
             c = getopt(argc, argv, "do:vz");
             if (c == EOF)
                 break;
             switch (c) {
                 case 'd':
                     add_date = 1;
                     break;
                 case 'o':
                     outfile = optarg;
                     break;
                 case 'v':
                     vibrate = 1;
                     break;
                 case 'z':
                     compress = 1;
                     break;
                 case '?':
                 fprintf(stderr, "%s: invalid option -%c\n",
                     argv[0], optopt);
                     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;

     /* switch to non-root user and group */
     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 (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);
         }
     }
     /* 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);
     }

     /* so gzip will terminate */
     close(STDOUT_FILENO);

     return 0;
 }
	/*
	* 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 <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <unistd.h>
	#include <sys/stat.h>
	#include <limits.h>
	#include <fcntl.h>
	#include <sys/time.h>
	#include <sys/resource.h>

	#include "private/android_filesystem_config.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;

	/* 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("------ 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");
	PRINT("------ SYSTEM PROPERTIES ------");
	print_properties();
	PRINT("------ KERNEL LOG ------");
	EXEC("dmesg");
	PRINT("------ KERNEL WAKELOCKS ------");
	DUMP("/proc/wakelocks");
	PRINT("");
	PRINT("------ PROCESSES ------");
	EXEC("ps");
	PRINT("------ PROCESSES AND THREADS ------");
	EXEC2("ps", "-t", "-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");
	PRINT("------ LAST KERNEL LOG ------");
	DUMP("/proc/last_kmsg");
	}
	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);
	}
	}

	/* 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;

	if (!strcmp(name, test))
	return 1;

	name_length = strlen(name);
	test_length = strlen(test);

	if (name_length > test_length + 2) {
	name += (name_length - test_length);
	if (name[-1] != '/')
	return 0;
	if (!strcmp(name, test))
	return 1;
	}

	return 0;
	}

	int main(int argc, char *argv[]) {
	int dumpcrash = check_command_name(argv[0], "dumpcrash");
	int bugreport = check_command_name(argv[0], "bugreport");
	int add_date = 0;
	char* outfile = 0;
	int vibrate = 0;
	int compress = 0;
	int c, fd, vibrate_fd, fds[2];
	char path[PATH_MAX];
	pid_t pid;
	gid_t groups[] = { AID_LOG, AID_SDCARD_RW };

	/* set as high priority, and protect from OOM killer */
	setpriority(PRIO_PROCESS, 0, -20);
	protect_from_oom_killer();

	get_time(&now);

	if (bugreport) {
	do {
	c = getopt(argc, argv, "do:vz");
	if (c == EOF)
	break;
	switch (c) {
	case 'd':
	add_date = 1;
	break;
	case 'o':
	outfile = optarg;
	break;
	case 'v':
	vibrate = 1;
	break;
	case 'z':
	compress = 1;
	break;
	case '?':
	fprintf(stderr, "%s: invalid option -%c\n",
	argv[0], optopt);
	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;

	/* switch to non-root user and group */
	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 (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);
	}
	}
	/* 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);
	}

	/* so gzip will terminate */
	close(STDOUT_FILENO);

	return 0;
	}