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freebsd memory clean ups and correct calculation

This commit is contained in:
mutlusun 2018-03-10 12:54:05 +01:00 committed by Andreas Geisenhainer
parent 57bab3542b
commit 0280ac2243
2 changed files with 20 additions and 22 deletions
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5
README.md
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@ -323,9 +323,8 @@ Supported platforms: Linux, FreeBSD.
total system memory, 4th as free memory, 5th as swap usage in percent, 6th total system memory, 4th as free memory, 5th as swap usage in percent, 6th
as swap usage, 7th as total system swap, 8th as free swap and 9th as as swap usage, 7th as total system swap, 8th as free swap and 9th as
memory usage with buffers and cache memory usage with buffers and cache
* FreeBSD: see above, but 10th value as memory usage with buffers and cache * FreeBSD: see above, but 9th value is not returned (always `-1`) and there
as percent and 11th value as wired memory (memory used by kernel) is is a 10th value giving wired memory
reported
**vicious.widgets.mpd** **vicious.widgets.mpd**

37
widgets/mem_freebsd.lua
View File

@ -16,6 +16,7 @@ local function worker(format)
local vm_stats = helpers.sysctl_table("vm.stats.vm") local vm_stats = helpers.sysctl_table("vm.stats.vm")
local _mem = { buf = {}, total = nil } local _mem = { buf = {}, total = nil }
-- Get memory space in bytes
_mem.total = tonumber(vm_stats.v_page_count) * pagesize _mem.total = tonumber(vm_stats.v_page_count) * pagesize
_mem.buf.f = tonumber(vm_stats.v_free_count) * pagesize _mem.buf.f = tonumber(vm_stats.v_free_count) * pagesize
_mem.buf.a = tonumber(vm_stats.v_active_count) * pagesize _mem.buf.a = tonumber(vm_stats.v_active_count) * pagesize
@ -23,35 +24,33 @@ local function worker(format)
_mem.buf.c = tonumber(vm_stats.v_cache_count) * pagesize _mem.buf.c = tonumber(vm_stats.v_cache_count) * pagesize
_mem.buf.w = tonumber(vm_stats.v_wire_count) * pagesize _mem.buf.w = tonumber(vm_stats.v_wire_count) * pagesize
-- rework into Megabytes -- Rework into megabytes
_mem.total = math.floor(_mem.total/(1024*1024)) _mem.total = math.floor(_mem.total/1048576)
_mem.buf.f = math.floor(_mem.buf.f/(1024*1024)) _mem.buf.f = math.floor(_mem.buf.f/1048576)
_mem.buf.a = math.floor(_mem.buf.a/(1024*1024)) _mem.buf.a = math.floor(_mem.buf.a/1048576)
_mem.buf.i = math.floor(_mem.buf.i/(1024*1024)) _mem.buf.i = math.floor(_mem.buf.i/1048576)
_mem.buf.c = math.floor(_mem.buf.c/(1024*1024)) _mem.buf.c = math.floor(_mem.buf.c/1048576)
_mem.buf.w = math.floor(_mem.buf.w/(1024*1024)) _mem.buf.w = math.floor(_mem.buf.w/1048576)
-- Calculate memory percentage -- Calculate memory percentage
_mem.free = _mem.buf.f + _mem.buf.c _mem.free = _mem.buf.f + _mem.buf.c + _mem.buf.i
_mem.inuse = _mem.buf.a + _mem.buf.i _mem.inuse = _mem.total - _mem.free
_mem.wire = _mem.buf.w _mem.wire = _mem.buf.w
_mem.bcuse = _mem.total - _mem.buf.f
_mem.usep = math.floor(_mem.inuse / _mem.total * 100) _mem.usep = math.floor(_mem.inuse / _mem.total * 100)
_mem.inusep= math.floor(_mem.inuse / _mem.total * 100) _mem.inusep= math.floor(_mem.inuse / _mem.total * 100)
_mem.buffp = math.floor(_mem.bcuse / _mem.total * 100)
_mem.wirep = math.floor(_mem.wire / _mem.total * 100)
-- Get swap states -- Get swap states
local vm = helpers.sysctl_table("vm") local vm_swap_total = tonumber(helpers.sysctl("vm.swap_total"))
local vm_swap_enabled = tonumber(helpers.sysctl("vm.swap_enabled"))
local _swp = { buf = {}, total = nil } local _swp = { buf = {}, total = nil }
if tonumber(vm.swap_enabled) == 1 and tonumber(vm.swap_total) > 0 then if vm_swap_enabled == 1 and vm_swap_total > 0 then
-- Get swap space -- Get swap space in bytes
_swp.total = tonumber(vm.swap_total) _swp.total = vm_swap_total
_swp.buf.f = _swp.total - tonumber(vm_stats.v_swapin) _swp.buf.f = _swp.total - tonumber(vm_stats.v_swapin)
-- Rework into megabytes -- Rework into megabytes
_swp.total = math.floor(_swp.total/(1024*1024)) _swp.total = math.floor(_swp.total/1048576)
_swp.buf.f = math.floor(_swp.buf.f/(1024*1024)) _swp.buf.f = math.floor(_swp.buf.f/1048576)
-- Calculate percentage -- Calculate percentage
_swp.inuse = _swp.total - _swp.buf.f _swp.inuse = _swp.total - _swp.buf.f
_swp.usep = math.floor(_swp.inuse / _swp.total * 100) _swp.usep = math.floor(_swp.inuse / _swp.total * 100)
@ -64,7 +63,7 @@ local function worker(format)
return { _mem.usep, _mem.inuse, _mem.total, _mem.free, return { _mem.usep, _mem.inuse, _mem.total, _mem.free,
_swp.usep, _swp.inuse, _swp.total, _swp.buf.f, _swp.usep, _swp.inuse, _swp.total, _swp.buf.f,
_mem.bcuse, _mem.buffp, _mem.wirep } -1, _mem.wire }
end end
return setmetatable(mem_freebsd, { __call = function(_, ...) return worker(...) end }) return setmetatable(mem_freebsd, { __call = function(_, ...) return worker(...) end })