diff options
Diffstat (limited to 'cmds/dumpstate/utils.c')
| -rw-r--r-- | cmds/dumpstate/utils.c | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/cmds/dumpstate/utils.c b/cmds/dumpstate/utils.c deleted file mode 100644 index 0d5ab9019405..000000000000 --- a/cmds/dumpstate/utils.c +++ /dev/null @@ -1,470 +0,0 @@ -/* - * 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 <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); -} |