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mem: adds information about used memory without freeable parts 

* used memory (values 1 and 2) are: everything but free+cache
* laundry is counted as freeable, but not free.
** "notfreeable memory" (values 11 and 12) are: active+inactive+wired
This commit is contained in:
Andreas Geisenhainer 2018-03-14 19:15:09 +01:00
parent df5fa77428
commit 0c2313dcdd
2 changed files with 16 additions and 11 deletions
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6
README.md
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@ -323,8 +323,10 @@ Supported platforms: Linux, FreeBSD.
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
memory usage with buffers and cache
* FreeBSD: see above, but there are two more values: the 9th value is wired memory
in percent and the 10th value giving wired memory
* FreeBSD: see above, but there are four more values: the 9th value is wired memory
in percent, the 10th value is wired memory. The 11th and 12th value return
'not freeable memory' (basically active+inactive+wired) in percent and megabytes,
respectively.
**vicious.widgets.mpd**

17
widgets/mem_freebsd.lua
View File

@ -31,12 +31,15 @@ local function worker(format)
_mem.buf.wired = math.floor(_mem.buf.wired/1048576)
-- Calculate memory percentage
_mem.free = _mem.buf.free + _mem.buf.cache + _mem.buf.laundry
_mem.free = _mem.buf.free + _mem.buf.cache
-- used memory basically consists of active+inactive+wired
_mem.inuse = _mem.total - _mem.free
_mem.notfreeable = _mem.inuse - _mem.buf.laundry
_mem.wire = _mem.buf.wired
_mem.usep = math.floor(_mem.inuse / _mem.total * 100)
_mem.wirep = math.floor(_mem.wire / _mem.total * 100)
_mem.notfreeablep = math.floor(_mem.notfreeable / _mem.total * 100)
-- Get swap states
local vm_swap_total = tonumber(helpers.sysctl("vm.swap_total"))
@ -46,23 +49,23 @@ local function worker(format)
if vm_swap_enabled == 1 and vm_swap_total > 0 then
-- Get swap space in bytes
_swp.total = vm_swap_total
_swp.buf.f = _swp.total - tonumber(vm_stats.v_swapin)
_swp.buf.free = _swp.total - tonumber(vm_stats.v_swapin)
-- Rework into megabytes
_swp.total = math.floor(_swp.total/1048576)
_swp.buf.f = math.floor(_swp.buf.f/1048576)
_swp.buf.free = math.floor(_swp.buf.free/1048576)
-- Calculate percentage
_swp.inuse = _swp.total - _swp.buf.f
_swp.inuse = _swp.total - _swp.buf.free
_swp.usep = math.floor(_swp.inuse / _swp.total * 100)
else
_swp.usep = -1
_swp.inuse = -1
_swp.total = -1
_swp.buf.f = -1
_swp.buf.free = -1
end
return { _mem.usep, _mem.inuse, _mem.total, _mem.free,
_swp.usep, _swp.inuse, _swp.total, _swp.buf.f,
_mem.wirep, _mem.wire }
_swp.usep, _swp.inuse, _swp.total, _swp.buf.free,
_mem.wirep, _mem.wire, _mem.notfreeablep, _mem.notfreeable }
end
return setmetatable(mem_freebsd, { __call = function(_, ...) return worker(...) end })