Merge "Migrate filesystem ftrace events from userdebug."
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index c7b51c8..e3130d6 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -105,7 +105,6 @@
{ "video", "Video", ATRACE_TAG_VIDEO, { } },
{ "camera", "Camera", ATRACE_TAG_CAMERA, { } },
{ "hal", "Hardware Modules", ATRACE_TAG_HAL, { } },
- { "app", "Application", ATRACE_TAG_APP, { } },
{ "res", "Resource Loading", ATRACE_TAG_RESOURCES, { } },
{ "dalvik", "Dalvik VM", ATRACE_TAG_DALVIK, { } },
{ "rs", "RenderScript", ATRACE_TAG_RS, { } },
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 96594c5..e795a32 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -863,53 +863,6 @@
RunCommand("IP6TABLES RAW", {"ip6tables", "-t", "raw", "-L", "-nvx"});
}
-static void AddGlobalAnrTraceFile(const bool add_to_zip, const std::string& anr_traces_file,
- const std::string& anr_traces_dir) {
- std::string dump_traces_dir;
-
- if (dump_traces_path != nullptr) {
- if (add_to_zip) {
- dump_traces_dir = dirname(dump_traces_path);
- MYLOGD("Adding ANR traces (directory %s) to the zip file\n", dump_traces_dir.c_str());
- ds.AddDir(dump_traces_dir, true);
- } else {
- MYLOGD("Dumping current ANR traces (%s) to the main bugreport entry\n",
- dump_traces_path);
- ds.DumpFile("VM TRACES JUST NOW", dump_traces_path);
- }
- }
-
-
- // Make sure directory is not added twice.
- // TODO: this is an overzealous check because it's relying on dump_traces_path - which is
- // generated by dump_traces() - and anr_traces_path - which is retrieved from a system
- // property - but in reality they're the same path (although the former could be nullptr).
- // Anyways, once dump_traces() is refactored as a private Dumpstate function, this logic should
- // be revisited.
- bool already_dumped = anr_traces_dir == dump_traces_dir;
-
- MYLOGD("AddGlobalAnrTraceFile(): dump_traces_dir=%s, anr_traces_dir=%s, already_dumped=%d\n",
- dump_traces_dir.c_str(), anr_traces_dir.c_str(), already_dumped);
-
- android::base::unique_fd fd(TEMP_FAILURE_RETRY(
- open(anr_traces_file.c_str(), O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK)));
- if (fd.get() < 0) {
- printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_file.c_str(), strerror(errno));
- } else {
- if (add_to_zip) {
- if (!already_dumped) {
- MYLOGD("Adding dalvik ANR traces (directory %s) to the zip file\n",
- anr_traces_dir.c_str());
- ds.AddDir(anr_traces_dir, true);
- }
- } else {
- MYLOGD("Dumping last ANR traces (%s) to the main bugreport entry\n",
- anr_traces_file.c_str());
- dump_file_from_fd("VM TRACES AT LAST ANR", anr_traces_file.c_str(), fd.get());
- }
- }
-}
-
static void AddAnrTraceDir(const bool add_to_zip, const std::string& anr_traces_dir) {
MYLOGD("AddAnrTraceDir(): dump_traces_file=%s, anr_traces_dir=%s\n", dump_traces_path,
anr_traces_dir.c_str());
@@ -952,50 +905,22 @@
static void AddAnrTraceFiles() {
const bool add_to_zip = ds.IsZipping() && ds.version_ == VERSION_SPLIT_ANR;
- std::string anr_traces_file;
- std::string anr_traces_dir;
- bool is_global_trace_file = true;
+ std::string anr_traces_dir = "/data/anr";
- // First check whether the stack-trace-dir property is set. When it's set,
- // each ANR trace will be written to a separate file and not to a global
- // stack trace file.
- anr_traces_dir = android::base::GetProperty("dalvik.vm.stack-trace-dir", "");
- if (anr_traces_dir.empty()) {
- anr_traces_file = android::base::GetProperty("dalvik.vm.stack-trace-file", "");
- if (!anr_traces_file.empty()) {
- anr_traces_dir = dirname(anr_traces_file.c_str());
- }
- } else {
- is_global_trace_file = false;
- }
+ AddAnrTraceDir(add_to_zip, anr_traces_dir);
- // We have neither configured a global trace file nor a trace directory,
- // there will be nothing to dump.
- if (anr_traces_file.empty() && anr_traces_dir.empty()) {
- printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n");
- return;
- }
-
- if (is_global_trace_file) {
- AddGlobalAnrTraceFile(add_to_zip, anr_traces_file, anr_traces_dir);
- } else {
- AddAnrTraceDir(add_to_zip, anr_traces_dir);
- }
-
- /* slow traces for slow operations */
+ // Slow traces for slow operations.
struct stat st;
- if (!anr_traces_dir.empty()) {
- int i = 0;
- while (true) {
- const std::string slow_trace_path =
- anr_traces_dir + android::base::StringPrintf("slow%02d.txt", i);
- if (stat(slow_trace_path.c_str(), &st)) {
- // No traces file at this index, done with the files.
- break;
- }
- ds.DumpFile("VM TRACES WHEN SLOW", slow_trace_path.c_str());
- i++;
+ int i = 0;
+ while (true) {
+ const std::string slow_trace_path =
+ anr_traces_dir + android::base::StringPrintf("slow%02d.txt", i);
+ if (stat(slow_trace_path.c_str(), &st)) {
+ // No traces file at this index, done with the files.
+ break;
}
+ ds.DumpFile("VM TRACES WHEN SLOW", slow_trace_path.c_str());
+ i++;
}
}
diff --git a/cmds/dumpstate/utils.cpp b/cmds/dumpstate/utils.cpp
index e63e8ae..6b808e3 100644
--- a/cmds/dumpstate/utils.cpp
+++ b/cmds/dumpstate/utils.cpp
@@ -856,26 +856,6 @@
return pids; // whether it was okay or not
}
-const char* DumpTraces(const std::string& traces_path);
-const char* DumpTracesTombstoned(const std::string& traces_dir);
-
-/* dump Dalvik and native stack traces, return the trace file location (NULL if none) */
-const char *dump_traces() {
- DurationReporter duration_reporter("DUMP TRACES");
-
- const std::string traces_dir = android::base::GetProperty("dalvik.vm.stack-trace-dir", "");
- if (!traces_dir.empty()) {
- return DumpTracesTombstoned(traces_dir);
- }
-
- const std::string traces_file = android::base::GetProperty("dalvik.vm.stack-trace-file", "");
- if (!traces_file.empty()) {
- return DumpTraces(traces_file);
- }
-
- return nullptr;
-}
-
static bool IsZygote(int pid) {
static const std::string kZygotePrefix = "zygote";
@@ -888,8 +868,11 @@
return (cmdline.find(kZygotePrefix) == 0);
}
-const char* DumpTracesTombstoned(const std::string& traces_dir) {
- const std::string temp_file_pattern = traces_dir + "/dumptrace_XXXXXX";
+// Dump Dalvik and native stack traces, return the trace file location (nullptr if none).
+const char* dump_traces() {
+ DurationReporter duration_reporter("DUMP TRACES");
+
+ const std::string temp_file_pattern = "/data/anr/dumptrace_XXXXXX";
const size_t buf_size = temp_file_pattern.length() + 1;
std::unique_ptr<char[]> file_name_buf(new char[buf_size]);
@@ -991,156 +974,6 @@
return file_name_buf.release();
}
-const char* DumpTraces(const std::string& traces_path) {
- const char* result = NULL;
- /* move the old traces.txt (if any) out of the way temporarily */
- std::string anrtraces_path = traces_path + ".anr";
- if (rename(traces_path.c_str(), anrtraces_path.c_str()) && errno != ENOENT) {
- MYLOGE("rename(%s, %s): %s\n", traces_path.c_str(), anrtraces_path.c_str(), strerror(errno));
- return nullptr; // Can't rename old traces.txt -- no permission? -- leave it alone instead
- }
-
- /* create a new, empty traces.txt file to receive stack dumps */
- int fd = TEMP_FAILURE_RETRY(
- open(traces_path.c_str(), O_CREAT | O_WRONLY | O_APPEND | O_TRUNC | O_NOFOLLOW | O_CLOEXEC,
- 0666)); /* -rw-rw-rw- */
- if (fd < 0) {
- MYLOGE("%s: %s\n", traces_path.c_str(), strerror(errno));
- return nullptr;
- }
- int chmod_ret = fchmod(fd, 0666);
- if (chmod_ret < 0) {
- MYLOGE("fchmod on %s failed: %s\n", traces_path.c_str(), strerror(errno));
- close(fd);
- return nullptr;
- }
-
- /* Variables below must be initialized before 'goto' statements */
- int dalvik_found = 0;
- int ifd, wfd = -1;
- std::set<int> hal_pids = get_interesting_hal_pids();
-
- /* walk /proc and kill -QUIT all Dalvik processes */
- DIR *proc = opendir("/proc");
- if (proc == NULL) {
- MYLOGE("/proc: %s\n", strerror(errno));
- goto error_close_fd;
- }
-
- /* use inotify to find when processes are done dumping */
- ifd = inotify_init();
- if (ifd < 0) {
- MYLOGE("inotify_init: %s\n", strerror(errno));
- goto error_close_fd;
- }
-
- wfd = inotify_add_watch(ifd, traces_path.c_str(), IN_CLOSE_WRITE);
- if (wfd < 0) {
- MYLOGE("inotify_add_watch(%s): %s\n", traces_path.c_str(), strerror(errno));
- goto error_close_ifd;
- }
-
- struct dirent *d;
- while ((d = readdir(proc))) {
- int pid = atoi(d->d_name);
- if (pid <= 0) continue;
-
- char path[PATH_MAX];
- char data[PATH_MAX];
- snprintf(path, sizeof(path), "/proc/%d/exe", pid);
- ssize_t len = readlink(path, data, sizeof(data) - 1);
- if (len <= 0) {
- continue;
- }
- data[len] = '\0';
-
- if (!strncmp(data, "/system/bin/app_process", strlen("/system/bin/app_process"))) {
- /* skip zygote -- it won't dump its stack anyway */
- snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
- int cfd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC));
- len = read(cfd, data, sizeof(data) - 1);
- close(cfd);
- if (len <= 0) {
- continue;
- }
- data[len] = '\0';
- if (!strncmp(data, "zygote", strlen("zygote"))) {
- continue;
- }
-
- ++dalvik_found;
- uint64_t start = Nanotime();
- if (kill(pid, SIGQUIT)) {
- MYLOGE("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, TRACE_DUMP_TIMEOUT_MS);
- if (ret < 0) {
- MYLOGE("poll: %s\n", strerror(errno));
- } else if (ret == 0) {
- MYLOGE("warning: timed out dumping pid %d\n", pid);
- } else {
- struct inotify_event ie;
- read(ifd, &ie, sizeof(ie));
- }
-
- if (lseek(fd, 0, SEEK_END) < 0) {
- MYLOGE("lseek: %s\n", strerror(errno));
- } else {
- dprintf(fd, "[dump dalvik stack %d: %.3fs elapsed]\n", pid,
- (float)(Nanotime() - start) / NANOS_PER_SEC);
- }
- } else if (should_dump_native_traces(data) ||
- hal_pids.find(pid) != hal_pids.end()) {
- /* dump native process if appropriate */
- if (lseek(fd, 0, SEEK_END) < 0) {
- MYLOGE("lseek: %s\n", strerror(errno));
- } else {
- static uint16_t timeout_failures = 0;
- uint64_t start = Nanotime();
-
- /* If 3 backtrace dumps fail in a row, consider debuggerd dead. */
- if (timeout_failures == 3) {
- dprintf(fd, "too many stack dump failures, skipping...\n");
- } else if (dump_backtrace_to_file_timeout(
- pid, kDebuggerdNativeBacktrace, 20, fd) == -1) {
- dprintf(fd, "dumping failed, likely due to a timeout\n");
- timeout_failures++;
- } else {
- timeout_failures = 0;
- }
- dprintf(fd, "[dump native stack %d: %.3fs elapsed]\n", pid,
- (float)(Nanotime() - start) / NANOS_PER_SEC);
- }
- }
- }
-
- if (dalvik_found == 0) {
- MYLOGE("Warning: no Dalvik processes found to dump stacks\n");
- }
-
- static std::string dumptraces_path = android::base::StringPrintf(
- "%s/bugreport-%s", dirname(traces_path.c_str()), basename(traces_path.c_str()));
- if (rename(traces_path.c_str(), dumptraces_path.c_str())) {
- MYLOGE("rename(%s, %s): %s\n", traces_path.c_str(), dumptraces_path.c_str(),
- strerror(errno));
- goto error_close_ifd;
- }
- result = dumptraces_path.c_str();
-
- /* replace the saved [ANR] traces.txt file */
- rename(anrtraces_path.c_str(), traces_path.c_str());
-
-error_close_ifd:
- close(ifd);
-error_close_fd:
- close(fd);
- return result;
-}
-
void dump_route_tables() {
DurationReporter duration_reporter("DUMP ROUTE TABLES");
if (PropertiesHelper::IsDryRun()) return;
