conky-config/drawing/Processor.lua

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local M = {}
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local CompoundDial = require 'CompoundDial'
local Line = require 'Line'
local Table = require 'Table'
local Util = require 'Util'
local Common = require 'Common'
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local CORETEMP_PATH = '/sys/devices/platform/coretemp.0/hwmon/hwmon%i/%s'
local NUM_PHYSICAL_CORES = 4
local NUM_THREADS_PER_CORE = 2
local NUM_ROWS = 5
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local HWP_PATHS = {}
for i = 1, NUM_ROWS do
HWP_PATHS[i] = '/sys/devices/system/cpu/cpu' .. i ..
'/cpufreq/energy_performance_preference'
end
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local TABLE_CONKY = {}
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for r = 1, NUM_ROWS do
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TABLE_CONKY[r] = {}
TABLE_CONKY[r].pid = '${top pid '..r..'}'
TABLE_CONKY[r].cpu = '${top cpu '..r..'}'
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end
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local _MODULE_Y_ = 614
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local _DIAL_INNER_RADIUS_ = 30
local _DIAL_OUTER_RADIUS_ = 42
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local _DIAL_THICKNESS_ = 5.5
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local _SEPARATOR_SPACING_ = 20
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local _TEXT_SPACING_ = 22
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local _PLOT_SECTION_BREAK_ = 23
local _PLOT_HEIGHT_ = 56
local _TABLE_SECTION_BREAK_ = 20
local _TABLE_HEIGHT_ = 114
local _create_core_ = function(cores, id, x, y)
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local conky_loads = {}
local conky_freqs = {}
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for c = 0, NUM_PHYSICAL_CORES * NUM_THREADS_PER_CORE - 1 do
if Util.read_file('/sys/devices/system/cpu/cpu'..c..'/topology/core_id', nil, '*n') == id then
table.insert(conky_loads, '${cpu cpu'..(c+1)..'}')
table.insert(conky_freqs, '${freq '..c..'}')
end
end
local hwmon_index = -1
while Util.read_file(string.format(CORETEMP_PATH, hwmon_index, 'name'), nil, '*l') ~= 'coretemp' do
hwmon_index = hwmon_index + 1
end
cores[id +1] = {
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dials = Common.compound_dial(
x,
y,
_DIAL_OUTER_RADIUS_,
_DIAL_INNER_RADIUS_,
_DIAL_THICKNESS_,
0.8,
NUM_THREADS_PER_CORE
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),
text_ring = Common.initTextRing(
x,
y,
_DIAL_INNER_RADIUS_ - 2,
'%s°C',
90
),
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coretemp_path = string.format(CORETEMP_PATH, hwmon_index, 'temp'..(id + 2)..'_input'),
conky_loads = conky_loads,
conky_freqs = conky_freqs
}
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end
local header = Common.Header(
_G_INIT_DATA_.LEFT_X,
_MODULE_Y_,
_G_INIT_DATA_.SECTION_WIDTH,
'PROCESSOR'
)
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--we assume that this cpu has 4 physical cores with 2 logical each
local cores = {}
for c = 0, NUM_PHYSICAL_CORES - 1 do
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local dial_x = _G_INIT_DATA_.LEFT_X + _DIAL_OUTER_RADIUS_ +
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(_G_INIT_DATA_.SECTION_WIDTH - 2 * _DIAL_OUTER_RADIUS_) * c / 3
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local dial_y = header.bottom_y + _DIAL_OUTER_RADIUS_
_create_core_(cores, c, dial_x, dial_y)
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end
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local _HWP_Y_ = header.bottom_y + _DIAL_OUTER_RADIUS_ * 2 + _PLOT_SECTION_BREAK_
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local _FREQ_Y_ = _HWP_Y_ + _TEXT_SPACING_
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local cpu_status = Common.initTextRows(
_G_INIT_DATA_.LEFT_X,
_HWP_Y_,
_G_INIT_DATA_.SECTION_WIDTH,
_TEXT_SPACING_,
{'HWP Preference', 'Ave Freq'}
)
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local _SEP_Y_ = _FREQ_Y_ + _SEPARATOR_SPACING_
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local separator = Common.initSeparator(
_G_INIT_DATA_.LEFT_X,
_SEP_Y_,
_G_INIT_DATA_.SECTION_WIDTH
)
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local _LOAD_Y_ = _SEP_Y_ + _SEPARATOR_SPACING_
local _PLOT_Y_ = _LOAD_Y_ + _PLOT_SECTION_BREAK_
local total_load = Common.initPercentPlot(
_G_INIT_DATA_.LEFT_X,
_LOAD_Y_,
_G_INIT_DATA_.SECTION_WIDTH,
_PLOT_HEIGHT_,
_PLOT_SECTION_BREAK_,
"Total Load"
)
local tbl = Common.initTable(
_G_INIT_DATA_.LEFT_X,
_PLOT_Y_ + _PLOT_HEIGHT_ + _TABLE_SECTION_BREAK_,
_G_INIT_DATA_.SECTION_WIDTH,
_TABLE_HEIGHT_,
NUM_ROWS,
{'Name', 'PID', 'CPU (%)'}
)
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local update = function(cr)
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local conky = Util.conky
local load_sum = 0
local freq_sum = 0
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for c = 1, NUM_PHYSICAL_CORES do
local core = cores[c]
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local conky_loads = core.conky_loads
local conky_freqs = core.conky_freqs
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for t = 1, NUM_THREADS_PER_CORE do
local percent = Util.conky_numeric(conky_loads[t]) * 0.01
CompoundDial.set(core.dials, t, percent)
load_sum = load_sum + percent
freq_sum = freq_sum + Util.conky_numeric(conky_freqs[t])
end
Common.text_ring_set(core.text_ring, cr,
Util.round_to_string(
0.001 * Util.read_file(core.coretemp_path, nil, '*n')))
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end
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-- read HWP of first cpu, then test all others to see if they match
local hwp_pref = Util.read_file(HWP_PATHS[1], nil, "*l")
local mixed = nil
local i = 2
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while not mixed and i <= #HWP_PATHS do
if hwp_pref ~= Util.read_file(HWP_PATHS[i], nil, '*l') then
mixed = 0
end
i = i + 1
end
local hwp_val = "Unknown"
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if mixed then
hwp_val = "Mixed"
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elseif hwp_pref == "power" then
hwp_val = "Power"
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elseif hwp_pref == "balance_power" then
hwp_val = "Bal. Power"
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elseif hwp_pref == "balance_performance" then
hwp_val = "Bal. Performance"
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elseif hwp_pref == "performance" then
hwp_val = "Performance"
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elseif hwp_pref == "default" then
hwp_val = "Default"
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end
Common.text_rows_set(cpu_status, cr, 1, hwp_val)
Common.text_rows_set(cpu_status, cr, 2,
Util.round_to_string(freq_sum / NUM_PHYSICAL_CORES / NUM_THREADS_PER_CORE) .. ' MHz')
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Common.percent_plot_set(total_load, cr, load_sum / NUM_PHYSICAL_CORES / NUM_THREADS_PER_CORE * 100)
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for r = 1, NUM_ROWS do
local pid = conky(TABLE_CONKY[r].pid, '(%d+)') -- may have leading spaces
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if pid ~= '' then
local cpu = conky(TABLE_CONKY[r].cpu)
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local comm = Util.read_file('/proc/'..pid..'/comm', '(%C+)')
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Table.set(tbl, cr, 1, r, comm)
Table.set(tbl, cr, 2, r, pid)
Table.set(tbl, cr, 3, r, cpu)
end
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end
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end
_MODULE_Y_ = nil
_DIAL_INNER_RADIUS_ = nil
_DIAL_OUTER_RADIUS_ = nil
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_DIAL_THICKNESS_ = nil
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_TEXT_Y_OFFSET_ = nil
_SEPARATOR_SPACING_ = nil
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_TEXT_SPACING_ = nil
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_PLOT_SECTION_BREAK_ = nil
_PLOT_HEIGHT_ = nil
_TABLE_SECTION_BREAK_ = nil
_TABLE_HEIGHT_ = nil
_create_core_ = nil
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_FREQ_Y_ = nil
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_LOAD_Y_ = nil
_SEP_Y_ = nil
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_HWP_Y_ = nil
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_PLOT_Y_ = nil
M.draw_static = function(cr)
Common.drawHeader(cr, header)
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for c = 1, NUM_PHYSICAL_CORES do
local this_core = cores[c]
Common.text_ring_draw_static(this_core.text_ring, cr)
CompoundDial.draw_static(this_core.dials, cr)
end
Common.text_rows_draw_static(cpu_status, cr)
Line.draw(separator, cr)
Common.percent_plot_draw_static(total_load, cr)
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Table.draw_static(tbl, cr)
end
M.draw_dynamic = function(cr)
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update(cr)
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for c = 1, NUM_PHYSICAL_CORES do
local this_core = cores[c]
CompoundDial.draw_dynamic(this_core.dials, cr)
Common.text_ring_draw_dynamic(this_core.text_ring, cr)
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end
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Common.text_rows_draw_dynamic(cpu_status, cr)
Common.percent_plot_draw_dynamic(total_load, cr)
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Table.draw_dynamic(tbl, cr)
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end
return M