global depths = 0;

probe process.mark("import__find__load__start") {
    modname = user_string($arg1);

    printf("[%ld] %*s* Importing '%s' ...\n", local_clock_ns(), 2*depths, "", modname);
    depths++;
}

probe process.mark("import__find__load__done") {
    modname = user_string($arg1);
    found = $arg2;

    depths--;
    if (found)
        printf("[%ld] %*s+ Imported  '%s'\n", local_clock_ns(), 2*depths, "", modname);
    else
        printf("[%ld] %*s- Failed    '%s'\n", local_clock_ns(), 2*depths, "", modname);
}