add ro.boottime.init.mount_all.* for measuring mount time
- three properties: .early, .default, .late
- for tracking critical early boot times
bug: 35949600
Test: manual, getprop after boot
Change-Id: I851891518428e6e21cb43a2a6f982ab7db281d4c
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 6dd1cbb..9e3489e 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -604,20 +604,27 @@
int mount_mode = MOUNT_MODE_DEFAULT;
const char* fstabfile = args[1].c_str();
std::size_t path_arg_end = args.size();
+ const char* prop_post_fix = "default";
for (na = args.size() - 1; na > 1; --na) {
if (args[na] == "--early") {
path_arg_end = na;
queue_event = false;
mount_mode = MOUNT_MODE_EARLY;
+ prop_post_fix = "early";
} else if (args[na] == "--late") {
path_arg_end = na;
import_rc = false;
mount_mode = MOUNT_MODE_LATE;
+ prop_post_fix = "late";
}
}
+ std::string prop_name = android::base::StringPrintf("ro.boottime.init.mount_all.%s",
+ prop_post_fix);
+ Timer t;
int ret = mount_fstab(fstabfile, mount_mode);
+ property_set(prop_name.c_str(), std::to_string(t.duration_ms()).c_str());
if (import_rc) {
/* Paths of .rc files are specified at the 2nd argument and beyond */