move dumpstate and dumpsys from frameworks/base to frameworks/native
Change-Id: I8a5318022ce5cd3e7c8055f21fe5da74639aa6c0
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);
+}