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--
-- ion/mod_statusbar/ion-statusd/statusd_load.lua
--
-- Copyright (c) Tuomo Valkonen 2004-2009.
--
-- See the included file LICENSE for details.
--
--
-- We should really use getloadavg(3) instead and move the meter to
-- Ion side to get properly up-to-date loads. But until such an export
-- is made, and we use potentially blocking files and external programs,
-- this meter must be in ion-statusd.
--
local defaults={
update_interval=10*1000,
load_hint="1min",
important_threshold=1.5,
critical_threshold=4.0
}
local settings=table.join(statusd.get_config("load"), defaults)
local load_timer
local function get_hint(v)
local i="normal"
if v then
if v>settings.critical_threshold then
i="critical"
elseif v>settings.important_threshold then
i="important"
end
end
return i
end
local function fmt(l)
if not l then
return "?"
else
return string.format("%0.2f", l)
end
end
local function update_load()
local lds = statusd.getloadavg()
f1, f5, f15 = fmt(lds["1min"]), fmt(lds["5min"]), fmt(lds["15min"])
statusd.inform("load", f1..", "..f5..", "..f15)
statusd.inform("load_hint", get_hint(lds[settings.load_hint]))
statusd.inform("load_1min", f1)
statusd.inform("load_1min_hint", get_hint(lds["1min"]))
statusd.inform("load_5min", f5)
statusd.inform("load_5min_hint", get_hint(lds["5min"]))
statusd.inform("load_15min", f15)
statusd.inform("load_15min_hint", get_hint(lds["15min"]))
load_timer:set(settings.update_interval, update_load)
end
-- Init
--statusd.inform("load_template", "0.00, 0.00, 0.00");
load_timer=statusd.create_timer()
update_load()
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