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Commit 1bbef88e authored by Riley Andrews's avatar Riley Andrews
Browse files

Add ability to adjust init log level at runtime. 

+ Add a new property, sys.init_log_level, which can be set after init
  bootstrap. This will control the level at which init does prints to klog.

Change-Id: Ia15b2110157b5e6b713785ece9b0fb94889be6c8
parent 24a3b783

init/builtins.c

+17 −4
Original line number Diff line number Diff line
@@ -862,11 +862,24 @@ int do_setsebool(int nargs, char **args) { 
}



int do_loglevel(int nargs, char **args) {

    if (nargs == 2) {

        klog_set_level(atoi(args[1]));

        return 0;

    int log_level;

    char log_level_str[PROP_VALUE_MAX] = "";

    if (nargs != 2) {

        ERROR("loglevel: missing argument\n");

        return -EINVAL;

    }

    return -1;



    if (expand_props(log_level_str, args[1], sizeof(log_level_str))) {

        ERROR("loglevel: cannot expand '%s'\n", args[1]);

        return -EINVAL;

    }

    log_level = atoi(log_level_str);

    if (log_level < KLOG_ERROR_LEVEL || log_level > KLOG_DEBUG_LEVEL) {

        ERROR("loglevel: invalid log level'%d'\n", log_level);

        return -EINVAL;

    }

    klog_set_level(log_level);

    return 0;

}



int do_load_persist_props(int nargs, char **args) {

rootdir/init.rc

+3 −0
Original line number Diff line number Diff line
@@ -428,6 +428,9 @@ on boot 
on nonencrypted

    class_start late_start



on property:sys.init_log_level=*

    loglevel ${sys.init_log_level}



on charger

    class_start charger