| author | Kim Alvefur <zash@zash.se> |
| Sun, 03 Mar 2024 11:23:40 +0100 | |
| changeset 5857 | 97c9b76867ca |
| parent 4044 | e17c937a71b3 |
| permissions | -rw-r--r-- |
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1627
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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1 |
module:set_global(); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
2 |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
3 |
local measure = require"core.statsmanager".measure; |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
4 |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
5 |
local measures = {}; |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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6 |
setmetatable(measures, { |
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1659
4d38b8c03dfe
mod_measure_memory: Silence warnings [luacheck]
Kim Alvefur <zash@zash.se>
parents:
1627
diff
changeset
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7 |
__index = function (t, k) |
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4044
e17c937a71b3
mod_measure_memory: Report that stats are in units of bytes
Kim Alvefur <zash@zash.se>
parents:
3369
diff
changeset
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8 |
local m = measure("amount", "memory."..k, { units = "bytes" }); t[k] = m; return m; |
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1627
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
9 |
end |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
10 |
}); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
11 |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
12 |
module:hook("stats-update", function () |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
13 |
measures.lua(collectgarbage("count")*1024); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
14 |
end); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
15 |
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1659
4d38b8c03dfe
mod_measure_memory: Silence warnings [luacheck]
Kim Alvefur <zash@zash.se>
parents:
1627
diff
changeset
|
16 |
if require"lfs".attributes("/proc/self/statm", "mode") == "file" then |
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1627
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
17 |
local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
18 |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
19 |
module:hook("stats-update", function () |
|
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
20 |
local statm, err = io.open("/proc/self/statm"); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
21 |
if not statm then |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
22 |
module:log("error", tostring(err)); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
23 |
return; |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
24 |
end |
|
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
25 |
-- virtual memory (caches, opened librarys, everything) |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
26 |
measures.total(statm:read("*n") * pagesize); |
|
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
27 |
-- resident set size (actually used memory) |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
28 |
measures.rss(statm:read("*n") * pagesize); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
29 |
statm:close(); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
30 |
end); |
|
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
31 |
end |