view mod_measure_malloc/mod_measure_malloc.lua @ 5296:0f5657db1cfc

mod_isolate_host: handle server-generated stanzas The hook for setting the no_host_isolation is only called for c2s sessions. This does not work for stanzas generated by the server, such as PEP notifications or presence probe answers. To handle that, we do per-stanza checks for the case that the origin is local.
author Jonas Schäfer <jonas@wielicki.name>
date Sat, 01 Apr 2023 12:03:08 +0200
parents b9af1ccac98b
children
line wrap: on
line source

module:set_global();

local metric = require"core.statsmanager".metric;
local pposix = require"util.pposix";

local allocated = metric(
	"gauge", "malloc_heap_allocated", "bytes",
	"Allocated bytes by mode of allocation",
	{"mode"}
);

local used = metric(
	"gauge", "malloc_heap_used", "bytes",
	"Used bytes"
):with_labels();

local unused = metric(
	"gauge", "malloc_heap_unused", "bytes",
	"Unused bytes"
):with_labels();

local returnable = metric(
	"gauge", "malloc_heap_returnable", "bytes",
	"Returnable bytes"
):with_labels();

module:hook("stats-update", function ()
	local meminfo = pposix.meminfo();
	if meminfo.allocated then
		allocated:with_labels("sbrk"):set(meminfo.allocated);
	end
	if meminfo.allocated_mmap then
		allocated:with_labels("mmap"):set(meminfo.allocated_mmap);
	end
	if meminfo.used then
		used:set(meminfo.used);
	end
	if meminfo.unused then
		unused:set(meminfo.unused);
	end
	if meminfo.returnable then
		returnable:set(meminfo.returnable);
	end
end);