view mod_log_events_by_cpu_usage/mod_log_events_by_cpu_usage.lua @ 5039:c0d243b27e64

mod_sasl2, mod_sasl_bind2, mod_sasl2_sm: Bump XEP-0388 namespace This is the namespace for the proposed update to XEP-0388. I.e. not even experimental yet... but this is all a work in progress anyway.
author Matthew Wild <mwild1@gmail.com>
date Tue, 13 Sep 2022 20:32:20 +0100
parents c0bc97c0ba61
children
line wrap: on
line source

module:set_global();

local treshold = module:get_option_number("log_cpu_threshold", 0.01);

function event_wrapper(handlers, event_name, event_data)
	local cpu_before = os.clock();
	local ret = handlers(event_name, event_data);
	local cpu_after = os.clock();
	if (cpu_after - cpu_before) > treshold then
		module:log("warn", "%g seconds of CPU usage while processing event '%s'", (cpu_after - cpu_before), event_name);
	end
	return ret;
end

local http_events = require "net.http.server"._events;
module:wrap_object_event(http_events, false, event_wrapper);

module:wrap_event(false, event_wrapper);
function module.add_host(module)
	module:wrap_event(false, event_wrapper);
end