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add zram-ratio script

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This commit is contained in:
Sean Buckley 2021-12-22 10:26:22 -05:00
parent 7f99d68036
commit 98ec7d6d68
1 changed files with 8 additions and 0 deletions
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8
modules/cli/default.nix
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@ -45,6 +45,14 @@
(writeShellScriptBin "pip-install" "exec python -m ensurepip --user")
(writeScriptBin "zram-ratio" ''
#!${pkgs.python3}/bin/python
(orig_data_size, compr_data_size, mem_used_total)=list(
map(int,filter(None,open('/sys/block/zram0/mm_stat').read().split(' ')))
)[:3]
print("compression ratio:", orig_data_size/mem_used_total)
'')
(writeShellScriptBin "nixos-check-reboot" ''
set -e
booted="$(readlink /run/booted-system/kernel)"