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Commit 69fae7b3 authored by Keun-young Park's avatar Keun-young Park
Browse files

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
parent 4463c820

init/builtins.cpp

+7 −0
Original line number Original line Diff line number Diff line
@@ -604,20 +604,27 @@ static int do_mount_all(const std::vector<std::string>& args) { 
    int mount_mode = MOUNT_MODE_DEFAULT;

    int mount_mode = MOUNT_MODE_DEFAULT;

    const char* fstabfile = args[1].c_str();

    const char* fstabfile = args[1].c_str();

    std::size_t path_arg_end = args.size();

    std::size_t path_arg_end = args.size();

    const char* prop_post_fix = "default";





    for (na = args.size() - 1; na > 1; --na) {

    for (na = args.size() - 1; na > 1; --na) {

        if (args[na] == "--early") {

        if (args[na] == "--early") {

            path_arg_end = na;

            path_arg_end = na;

            queue_event = false;

            queue_event = false;

            mount_mode = MOUNT_MODE_EARLY;

            mount_mode = MOUNT_MODE_EARLY;

            prop_post_fix = "early";

        } else if (args[na] == "--late") {

        } else if (args[na] == "--late") {

            path_arg_end = na;

            path_arg_end = na;

            import_rc = false;

            import_rc = false;

            mount_mode = MOUNT_MODE_LATE;

            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);

    int ret =  mount_fstab(fstabfile, mount_mode);

    property_set(prop_name.c_str(), std::to_string(t.duration_ms()).c_str());





    if (import_rc) {

    if (import_rc) {

        /* Paths of .rc files are specified at the 2nd argument and beyond */

        /* Paths of .rc files are specified at the 2nd argument and beyond */