init: add log to time spent in waiting for file
Bug: 64925999
Test: boot and take log
Change-Id: I7d37906708b5a4a195fb1ba1113641656d419e62
diff --git a/init/util.cpp b/init/util.cpp
index 9112c3f..a19a6f3 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -206,13 +206,16 @@
}
int wait_for_file(const char* filename, std::chrono::nanoseconds timeout) {
- boot_clock::time_point timeout_time = boot_clock::now() + timeout;
- while (boot_clock::now() < timeout_time) {
+ android::base::Timer t;
+ while (t.duration() < timeout) {
struct stat sb;
- if (stat(filename, &sb) != -1) return 0;
-
+ if (stat(filename, &sb) != -1) {
+ LOG(INFO) << "wait for '" << filename << "' took " << t;
+ return 0;
+ }
std::this_thread::sleep_for(10ms);
}
+ LOG(WARNING) << "wait for '" << filename << "' timed out and took " << t;
return -1;
}