X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/f63a7fd098e3826e397c16938968a1a840150abe..f76940230a854482a2ff3715fd2427eba206e68d:/widgets/cpu.lua?ds=inline diff --git a/widgets/cpu.lua b/widgets/cpu.lua index 6019f32..737b6fa 100644 --- a/widgets/cpu.lua +++ b/widgets/cpu.lua @@ -7,7 +7,7 @@ --]] -local first_line = require("lain.helpers").first_line +local lines_match = require("lain.helpers").lines_match local newtimer = require("lain.helpers").newtimer local wibox = require("wibox") @@ -21,55 +21,67 @@ local setmetatable = setmetatable -- CPU usage -- lain.widgets.cpu -local cpu = { last_total = 0, last_active = 0 } +local cpu = { core = {} } local function worker(args) local args = args or {} - local timeout = args.timeout or 2 - local settings = args.settings or function() end + local timeout = args.timeout or 2 + local settings = args.settings or function() end - cpu.widget = wibox.widget.textbox('') + cpu.widget = wibox.widget.textbox('') - function update() + function update() -- Read the amount of time the CPUs have spent performing - -- different kinds of work. Read the first line of /proc/stat - -- which is the sum of all CPUs. - local times = first_line("/proc/stat") - local at = 1 - local idle = 0 - local total = 0 - for field in string.gmatch(times, "[%s]+([^%s]+)") + -- different kinds of work. Read the first line of /proc/stat + -- which is the sum of all CPUs. + local times = lines_match("cpu","/proc/stat") + + for index,time in pairs(times) do - -- 4 = idle, 5 = ioWait. Essentially, the CPUs have done - -- nothing during these times. - if at == 4 or at == 5 - then - idle = idle + field + local coreid = index - 1 + local core = cpu.core[coreid] or + { last_active = 0 , last_total = 0, usage = 0 } + local at = 1 + local idle = 0 + local total = 0 + + for field in string.gmatch(time, "[%s]+([^%s]+)") + do + -- 4 = idle, 5 = ioWait. Essentially, the CPUs have done + -- nothing during these times. + if at == 4 or at == 5 then + idle = idle + field + end + total = total + field + at = at + 1 + end + + local active = total - idle + + if core.last_active ~= active or core.last_total ~= total then + -- Read current data and calculate relative values. + local dactive = active - core.last_active + local dtotal = total - core.last_total + + local usage = math.ceil((dactive / dtotal) * 100) + + core.last_active = active + core.last_total = total + core.usage = usage + + -- Save current data for the next run. + cpu.core[coreid] = core; end - total = total + field - at = at + 1 - end - local active = total - idle - - if cpu.last_active ~= active or cpu.last_total ~= total then - -- Read current data and calculate relative values. - local dactive = active - cpu.last_active - local dtotal = total - cpu.last_total - - cpu_now = {} - cpu_now.usage = tostring(math.ceil((dactive / dtotal) * 100)) - - widget = cpu.widget - settings() - - -- Save current data for the next run. - cpu.last_active = active - cpu.last_total = total end + + widget = cpu.widget + cpu_now = cpu.core + cpu_now.usage = cpu_now[0].usage + + settings() end newtimer("cpu", timeout, update) - return cpu.widget end