commit 08c862fa003875cf464730c24e1b81b261f8b474
author Lisa Liu <liulisa@google.com> Wed Feb 03 18:22:21 2021 +0800
committer Lisa Liu <liulisa@google.com> Fri Feb 19 15:59:04 2021 +0800
tree 81cfe51f208654e9a9e6cfa032e53f4e2cb32a88
parent 8c164946d8522fa50ea03e08af38c3b352329fe0

init: ro.boottime.init.modules

Add a property ro.boottime.init.modules to provide kernel modules
loading time in milliseconds. Also add corresponding log to show in init
log along with loaded module count.

Test: boot test
Bug: 178143513
Change-Id: I77e3939c2a271da6841350a8c2a34ad32f637377

init/init.cpp

diff --git a/init/init.cpp b/init/init.cpp
index b08037a..70d6809 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -713,6 +713,10 @@
     SetProperty("ro.boottime.init.selinux",
                 std::to_string(second_stage_start_time.time_since_epoch().count() -
                                selinux_start_time_ns));
+    if (auto init_module_time_str = getenv(kEnvInitModuleDurationMs); init_module_time_str) {
+        SetProperty("ro.boottime.init.modules", init_module_time_str);
+        unsetenv(kEnvInitModuleDurationMs);
+    }
 }
 
 void SendLoadPersistentPropertiesMessage() {