Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

/proc/thread-self/root/opt/python-3.9/usr/lib/python3.9/test/dtracedata/

//proc/thread-self/root/opt/python-3.9/usr/lib/python3.9/test/dtracedata/call_stack.stp

 global tracing

function basename:string(path:string)
{
    last_token = token = tokenize(path, "/");
    while (token != "") {
        last_token = token;
        token = tokenize("", "/");
    }
    return last_token;
}

probe process.mark("function__entry")
{
    funcname = user_string($arg2);

    if (funcname == "start") {
        tracing = 1;
    }
}

probe process.mark("function__entry"), process.mark("function__return")
{
    filename = user_string($arg1);
    funcname = user_string($arg2);
    lineno = $arg3;

    if (tracing) {
        printf("%d\t%s:%s:%s:%d\n", gettimeofday_us(), $$name,
               basename(filename), funcname, lineno);
    }
}

probe process.mark("function__return")
{
    funcname = user_string($arg2);

    if (funcname == "start") {
        tracing = 0;
    }
}