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topmem: Replace lua-filesystem dependency with libluv #45

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merged 3 commits into from
Dec 24, 2023
Merged

topmem: Replace lua-filesystem dependency with libluv #45

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8951131
topmem: Replace lua-filesystem dependency with libluv
ventureoo Dec 24, 2023
86b4c41
topmem: Minor refactoring
ventureoo Dec 24, 2023
3fd8782
topmem: Fix typo
ventureoo Dec 24, 2023
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topmem: Replace lua-filesystem dependency with libluv
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@ventureoo
ventureoo committed Dec 24, 2023
commit 895113179ad5c46f1c56921c88b76789cc1ef2ff
15 changes: 8 additions & 7 deletions usr/bin/topmem
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
#!/usr/bin/env lua
local found, lfs = pcall(require, 'lfs')
local found, uv = pcall(require, 'luv')

if not found then
print("lua-filesystem dependency is missing, please install it from repositories")
print("libluv dependency is missing, please install it from repositories")
os.exit(1)
end

Expand Down Expand Up @@ -50,13 +50,13 @@ end

local function get_process_map()
local map = {}
for pid in lfs.dir("/proc/") do
local proceses = uv.fs_scandir("/proc")
local pid, ftype = uv.fs_scandir_next(proceses)

while pid do
if pid:match(pid_pattern) then
local f = table.concat({"/proc", pid}, "/")
local attr = lfs.attributes(f)
assert (type(attr) == "table")

if attr.mode == "directory" then
if ftype == "directory" then
local rss, swap = get_process_values(table.concat({f, "status"}, "/"))
local name = get_process_first_arg(table.concat({f, "cmdline"}, "/"))
if name and rss then
Expand All @@ -69,6 +69,7 @@ local function get_process_map()
end
end
end
pid, ftype = uv.fs_scandir_next(proceses)
end
map = convert_hashmap_table(map)
table.sort(map, function (a, b) return (a[1] > b[1]) end)
Expand Down