FIX freq and cpu calculation errors

This commit is contained in:
Nathan Dwarshuis 2023-09-27 00:05:11 -04:00
parent e7d5b63c38
commit da9a6b0c46
2 changed files with 108 additions and 174 deletions

View File

@ -6,6 +6,7 @@ local cpu = require 'sys'
local pure = require 'pure'
local __math_floor = math.floor
local __string_format = string.format
return function(update_freq, main_state, config, common, width, point)
local dial_inner_radius = 30
@ -89,6 +90,27 @@ return function(update_freq, main_state, config, common, width, point)
}
end
local read_load = function(core_topology, phy_core_id, thread_id)
local i = core_topology[phy_core_id].cpus[thread_id].lgl_cpu_id
return mod_state[i].percent_active * 100
end
local get_load_functions = function(cores, nthreads, core_topology)
if nthreads == 1 then
local update = function(c)
dial.set(cores[c].loads, read_load(core_topology, c, 1))
end
return update, dial.draw_static, dial.draw_dynamic
else
local update = function(c)
for t = 1, nthreads do
compound_dial.set(cores[c].loads, t, read_load(core_topology, c, t))
end
end
return update, compound_dial.draw_static, compound_dial.draw_dynamic
end
end
local mk_core_group = function(group_config, y)
local nthreads = group_config.threads
local core_topology = topology[nthreads]
@ -98,32 +120,8 @@ return function(update_freq, main_state, config, common, width, point)
create_core, core_cols, y, nthreads, group_config.padding
)
local cores = pure.map_n(_create_core, ncores)
local group_loads = mod_state[nthreads]
local update_loads
local draw_static_loads
local draw_dynamic_loads
if nthreads == 1 then
update_loads = function(c)
dial.set(
cores[c].loads,
group_loads[c][1].percent_active * 100
)
end
draw_static_loads = dial.draw_static
draw_dynamic_loads = dial.draw_dynamic
else
update_loads = function(c)
for t = 1, nthreads do
compound_dial.set(
cores[c].loads,
t,
group_loads[c][t].percent_active * 100
)
end
end
draw_static_loads = compound_dial.draw_static
draw_dynamic_loads = compound_dial.draw_dynamic
end
local update_loads, draw_static_loads, draw_dynamic_loads =
get_load_functions(cores, nthreads, core_topology)
local update = function()
for c = 1, ncores do
local temp = __math_floor(
@ -159,13 +157,23 @@ return function(update_freq, main_state, config, common, width, point)
-- HWP status
local mk_hwp_freq = function(y)
local hwp_paths = cpu.get_hwp_paths()
local hwp_paths = cpu.get_hwp_paths(topology)
local freq_labels
local cpu_group_map = cpu.topology_to_cpu_map(topology)
local format_label = function(group_id)
return __string_format('Ave Freq (%i)', group_id)
end
if #topology == 1 then
freq_labels = {'Ave Freq'}
else
freq_labels = pure.map_n(format_label, #topology)
end
local cpu_status = common.make_text_rows(
point.x,
y,
width,
text_spacing,
{'HWP Preference', 'Ave Freq'}
pure.concat({'HWP Preference'}, freq_labels)
)
local update = function()
-- For some reason this call is slow (querying anything with pstate in
@ -174,13 +182,18 @@ return function(update_freq, main_state, config, common, width, point)
if main_state.trigger10 == 0 then
common.text_rows_set(cpu_status, 1, cpu.read_hwp(hwp_paths))
end
common.text_rows_set(cpu_status, 2, cpu.read_freq())
local ave_freqs = cpu.read_ave_freqs(topology, cpu_group_map)
local i = 2
for group_id, _ in pairs(topology) do
common.text_rows_set(cpu_status, i, ave_freqs[group_id])
i = i + 1
end
end
local static = pure.partial(common.text_rows_draw_static, cpu_status)
local dynamic = pure.partial(common.text_rows_draw_dynamic, cpu_status)
return common.mk_acc(
width,
text_spacing,
text_spacing * #topology,
update,
static,
dynamic
@ -203,12 +216,8 @@ return function(update_freq, main_state, config, common, width, point)
)
local update = function()
local s = 0
for g = 1, #mod_state do
for c = 1, #mod_state[g] do
for t = 1, #mod_state[g][c] do
s = s + mod_state[g][c][t].percent_active
end
end
for i = 1, ncpus do
s = s + mod_state[i].percent_active
end
common.tagged_percent_timeseries_set(total_load, s / ncpus * 100)
end
@ -269,10 +278,10 @@ return function(update_freq, main_state, config, common, width, point)
point = point,
width = width,
set_state = update_state,
top = {
table.unpack(pure.map(core_group_section, config.core_groups)),
-- {mk_hwp_freq, config.show_stats, sep_spacing},
},
top = pure.concat(
pure.map(core_group_section, config.core_groups),
{{mk_hwp_freq, config.show_stats, sep_spacing}}
),
common.mk_section(
sep_spacing,
{mk_load_plot, config.show_plot, geo.table.sec_break},

View File

@ -172,7 +172,7 @@ end
--------------------------------------------------------------------------------
-- cpu
-- ASSUME nproc and lscpu will always be available
-- ASSUME lscpu will always be available
M.get_core_number = function()
return __tonumber(i_o.read_file('/proc/cpuinfo', 'cpu cores%s+:%s(%d+)'))
@ -180,13 +180,10 @@ end
M.get_cpu_number = function(topology)
local n = 0
for g = 1, #topology do
for c = 1, #topology[g] do
n = n + #topology[g][c].cpus
end
for g, c in pairs(topology) do
n = n + g * #c
end
return n
-- return __tonumber(i_o.execute_cmd('nproc', nil, '*n'))
end
local get_coretemp_dir = function()
@ -208,25 +205,6 @@ M.get_core_threads = function()
return pure.fmap_maybe(make_indexer, i_o.execute_cmd(cmd))
end
-- map cores to integer values starting at 1; this is necessary since some cpus
-- don't report their core id's as a sequence of integers starting at 0
-- local get_core_id_indexer = function()
-- local make_indexer = pure.compose(
-- pure.array_to_map,
-- pure.partial(pure.imap, function(i, c) return {__tonumber(c), i} end),
-- pure.partial(gmatch_to_table1, '(%d+)')
-- )
-- return pure.fmap_maybe(
-- make_indexer,
-- i_o.execute_cmd('lscpu -p=CORE | tail -n+5 | sort -k1,1n')
-- )
-- end
-- conky_core_idx: the ID of the dial to be drawn for this core
-- conky_thread_idx: the ID of the individual indicator within one dial
-- corresponding to one thread in a core (starting at 1 for each core)
local get_coretemp_mapper = function()
local d = get_coretemp_dir()
i_o.assert_exe_exists('grep')
@ -289,91 +267,54 @@ M.get_core_topology = function()
return pure.fmap_maybe(f, out)
end
-- for t, k in pairs(get_core_topology()) do
-- print(t)
-- for x, y in pairs(k) do
-- print(x, y.phy_core_id, y.coretemp_path, #y.cpus)
-- -- for _, z in pairs(y.cpus) do
-- -- print(x,z.cpu,z.conky_cpu)
-- -- end
-- end
-- end
local get_core_mappings = function()
local core_threads = M.get_core_threads()
local assign_cpus = function(x)
return {
cpu_id = __tonumber(x[1]),
core_id = __tonumber(x[2])
}
end
local map_ids = function(indexer)
local f = function(acc, next)
local cpu_id = __tonumber(next[1]) + 1
local core_id = __tonumber(next[2])
local conky_core_idx = indexer[core_id]
acc.mappings[cpu_id] = {
conky_core_idx = conky_core_idx,
conky_thread_id = acc.thread_ids[conky_core_idx],
}
acc.thread_ids[conky_core_idx] = acc.thread_ids[conky_core_idx] + 1
return acc
M.topology_to_cpu_map = function(topology)
local r = {}
for group_id, group in pairs(topology) do
for _, core in pairs(group) do
for _, cpu in pairs(core.cpus) do
r[cpu.lgl_cpu_id] = group_id
end
end
local cpu_to_core_map = pure.maybe(
{},
pure.partial(gmatch_to_tableN, '(%d+),(%d+)'),
i_o.execute_cmd('lscpu -y -p=cpu,core | grep -v \'^#\' | sort -k1,1n')
)
local init = {mappings = {}, _conky_core_index = 0, _thread_ids = {}}
return pure.reduce(f, init, cpu_to_core_map).mappings
end
-- return pure.fmap_maybe(map_ids, )
return r
end
M.get_coretemp_paths = function()
local get_paths = function(indexer)
local d = get_coretemp_dir()
i_o.assert_exe_exists('grep')
local get_labels = pure.compose(
i_o.execute_cmd,
pure.partial(__string_format, 'grep Core %s/temp*_label', true)
)
local to_tuple = function(m)
return {
indexer[__tonumber(m[2])],
__string_format('%s/%s_input', d, m[1])
}
end
local f = pure.compose(
pure.array_to_map,
pure.partial(pure.map, to_tuple),
pure.partial(gmatch_to_tableN, '/([^/\n]+)_label:Core (%d+)\n')
)
return pure.maybe({}, f, pure.fmap_maybe(get_labels, d))
end
return pure.maybe({}, get_paths, get_core_id_indexer())
end
local match_freq = function(c)
local f = 0
local n = 0
for s in __string_gmatch(c, '(%d+%.%d+)') do
f = f + __tonumber(s)
n = n + 1
end
return __string_format('%.0f Mhz', f / n)
end
M.read_freq = function()
M.read_ave_freqs = function(topology, cpu_group_map)
-- NOTE: Using the builtin conky functions for getting cpu freq seems to make
-- the entire loop jittery due to high variance latency. Querying
-- scaling_cur_freq in sysfs seems to do the same thing. It appears lscpu
-- (which queries /proc/cpuinfo) is much faster and doesn't have this jittery
-- problem.
return pure.maybe('N/A', match_freq, i_o.execute_cmd('lscpu -p=MHZ'))
local out = i_o.execute_cmd('lscpu -p=MHZ')
local init_freqs = function(v)
local r = {}
for group_id, _ in pairs(topology) do
r[group_id] = v
end
return r
end
if out == nil then
return init_freqs('N/A')
else
local ave_freqs = init_freqs(0)
local cpu_id = 1
for s in __string_gmatch(out, '(%d+%.%d+)') do
local group_id = cpu_group_map[cpu_id]
ave_freqs[group_id] = ave_freqs[group_id] + __tonumber(s)
cpu_id = cpu_id + 1
end
for group_id, _ in pairs(ave_freqs) do
ave_freqs[group_id] =
__string_format(
'%.0f Mhz',
ave_freqs[group_id] / (group_id * #topology[group_id])
)
end
return ave_freqs
end
end
M.get_hwp_paths = function()
M.get_hwp_paths = function(topology)
-- ASSUME this will never fail
return pure.map_n(
function(i)
@ -381,7 +322,7 @@ M.get_hwp_paths = function()
.. (i - 1)
.. '/cpufreq/energy_performance_preference'
end,
M.get_cpu_number()
M.get_cpu_number(topology)
)
end
@ -410,23 +351,14 @@ M.read_hwp = function(hwp_paths)
end
M.init_cpu_loads = function(topo)
-- -- local m = get_core_mappings()
-- local topo = get_core_topology()
local ncpus = M.get_cpu_number(topo)
local cpu_loads = {}
for core_group_id, core_group in pairs(topo) do
cpu_loads[core_group_id] = {}
for lgl_core_id, core in pairs(core_group) do
cpu_loads[core_group_id][lgl_core_id] = {}
for thread_id = 1, #core.cpus do
cpu_loads[core_group_id][lgl_core_id][thread_id] = {
active_prev = 0,
total_prev = 0,
percent_active = 0,
-- core_id = lgl_core_id,
-- thread_id = thread_id,
}
end
end
for lgl_cpu_id = 1, ncpus do
cpu_loads[lgl_cpu_id] = {
active_prev = 0,
total_prev = 0,
percent_active = 0,
}
end
return cpu_loads
end
@ -434,24 +366,17 @@ end
M.read_cpu_loads = function(cpu_loads)
local iter = io.lines('/proc/stat')
iter() -- ignore first line
for group_id = 1, #cpu_loads do
local group = cpu_loads[group_id]
for lgl_core_id = 1, #group do
local core = group[lgl_core_id]
for thread_id = 1, #core do
local ln = iter()
local user, system, idle =
__string_match(ln, '%d+ (%d+) %d+ (%d+) (%d+)', 4)
local active = user + system
local total = active + idle
local thread = core[thread_id]
if total > thread.total_prev then -- guard against 1/0 errors
thread.percent_active =
(active - thread.active_prev) / (total - thread.total_prev)
thread.active_prev = active
thread.total_prev = total
end
end
for lgl_cpu_id = 1, #cpu_loads do
local ln = iter()
local user, system, idle =
__string_match(ln, '%d+ (%d+) %d+ (%d+) (%d+)', 4)
local active = user + system
local total = active + idle
local cpu = cpu_loads[lgl_cpu_id]
if total > cpu.total_prev then -- guard against 1/0 errors
cpu.percent_active = (active - cpu.active_prev) / (total - cpu.total_prev)
cpu.active_prev = active
cpu.total_prev = total
end
end
return cpu_loads