On Sat, Oct 14, 2017 at 02:18:39PM +0000, Paul Offord wrote:
> I'm investigating a performance problem with the TRANSUM dissector. I'd like
> to measure the accumulated time taken to execute a function in a Release
> build. My basic idea is to do something like this:
>
> guint32 execute_time_us;
> .
> .
> start_stopwatch(&execute_time_us);
> function_call_to_be_measured();
> pause_stopwatch(&execute_time_us);
>
> .
> .
> .
>
> stop_and_output_stopwatch(&execute_time_us);
>
> Is there a standard way to do this in Wireshark? How can I output the
> accumulated time on, say, the Status Line?
Not sure about the Status line question, but you can measure elapsed
microseconds with something like:
guint64 start_time, end_time;
start_time = g_get_monotonic_time();
// ...
end_time = g_get_monotonic_time();
// ...
g_print("elapsed us: %" G_GUINT64_FORMAT, end_time - start_time);
https://developer.gnome.org/glib/stable/glib-Date-and-Time-Functions.html#g-get-monotonic-time
--
Kind regards,
Peter Wu
https://lekensteyn.nl
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