am 457731f6: Use the timeout stack dump functions.

* commit '457731f69e3106b5aae8fc04f9565af1d875876c':
  Use the timeout stack dump functions.
This commit is contained in:
Christopher Ferris 2015-01-15 01:52:14 +00:00 committed by Android Git Automerger
commit 8d129cbf5a

View File

@ -619,20 +619,28 @@ const char *dump_traces() {
if (lseek(fd, 0, SEEK_END) < 0) {
fprintf(stderr, "lseek: %s\n", strerror(errno));
} else {
snprintf(data, sizeof(data), "[dump dalvik stack %d: %.3fs elapsed]\n",
dprintf(fd, "[dump dalvik stack %d: %.3fs elapsed]\n",
pid, (float)(nanotime() - start) / NANOS_PER_SEC);
write(fd, data, strlen(data));
}
} else if (should_dump_native_traces(data)) {
/* dump native process if appropriate */
if (lseek(fd, 0, SEEK_END) < 0) {
fprintf(stderr, "lseek: %s\n", strerror(errno));
} else {
static uint16_t timeout_failures = 0;
int64_t start = nanotime();
dump_backtrace_to_file(pid, fd);
snprintf(data, sizeof(data), "[dump native stack %d: %.3fs elapsed]\n",
/* 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, fd, 20) == -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);
write(fd, data, strlen(data));
}
}
}