195 lines
4 KiB
Nix
195 lines
4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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inherit (pkgs.stdenv.hostPlatform) isDarwin;
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cfg = config.programs.htop;
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formatOption = n: v:
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let v' = if isBool v then (if v then "1" else "0") else toString v;
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in "${n}=${v'}";
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formatMeters = side: meters: {
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"${side}_meters" = concatMap (mapAttrsToList (x: _: x)) meters;
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"${side}_meter_modes" = concatMap (mapAttrsToList (_: y: y)) meters;
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};
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leftMeters = formatMeters "left";
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rightMeters = formatMeters "right";
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fields = {
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PID = 0;
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COMM = 1;
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STATE = 2;
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PPID = 3;
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PGRP = 4;
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SESSION = 5;
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TTY_NR = 6;
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TPGID = 7;
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MINFLT = 9;
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MAJFLT = 11;
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PRIORITY = 17;
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NICE = 18;
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STARTTIME = 20;
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PROCESSOR = 37;
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M_SIZE = 38;
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M_RESIDENT = 39;
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ST_UID = 45;
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PERCENT_CPU = 46;
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PERCENT_MEM = 47;
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USER = 48;
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TIME = 49;
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NLWP = 50;
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TGID = 51;
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PERCENT_NORM_CPU = 52;
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ELAPSED = 53;
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CMINFLT = 10;
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CMAJFLT = 12;
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UTIME = 13;
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STIME = 14;
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CUTIME = 15;
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CSTIME = 16;
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M_SHARE = 40;
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M_TRS = 41;
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M_DRS = 42;
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M_LRS = 43;
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M_DT = 44;
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CTID = 99;
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VPID = 100;
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VXID = 102;
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RCHAR = 102;
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WCHAR = 103;
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SYSCR = 104;
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SYSCW = 105;
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RBYTES = 106;
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WBYTES = 107;
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CNCLWB = 108;
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IO_READ_RATE = 109;
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IO_WRITE_RATE = 110;
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IO_RATE = 111;
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CGROUP = 112;
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OOM = 113;
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IO_PRIORITY = 114;
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M_PSS = 118;
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M_SWAP = 119;
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M_PSSWP = 120;
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};
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defaultFields = with fields; [
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PID
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USER
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PRIORITY
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NICE
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M_SIZE
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M_RESIDENT
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M_SHARE
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STATE
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PERCENT_CPU
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PERCENT_MEM
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TIME
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COMM
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];
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modes = {
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Bar = 1;
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Text = 2;
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Graph = 3;
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LED = 4;
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};
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# Utilities for constructing meters
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meter = mode: name: { ${name} = mode; };
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bar = meter modes.Bar;
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text = meter modes.Text;
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graph = meter modes.Graph;
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led = meter modes.LED;
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blank = text "Blank";
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in {
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meta.maintainers = [ hm.maintainers.bjpbakker ];
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options.programs.htop = {
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enable = mkEnableOption "htop";
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settings = mkOption {
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type = types.attrs;
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default = { };
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example = literalExpression ''
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{
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color_scheme = 6;
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cpu_count_from_one = 0;
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delay = 15;
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fields = with config.lib.htop.fields; [
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PID
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USER
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PRIORITY
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NICE
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M_SIZE
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M_RESIDENT
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M_SHARE
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STATE
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PERCENT_CPU
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PERCENT_MEM
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TIME
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COMM
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];
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highlight_base_name = 1;
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highlight_megabytes = 1;
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highlight_threads = 1;
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} // (with config.lib.htop; leftMeters [
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(bar "AllCPUs2")
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(bar "Memory")
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(bar "Swap")
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(text "Zram")
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]) // (with config.lib.htop; rightMeters [
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(text "Tasks")
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(text "LoadAverage")
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(text "Uptime")
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(text "Systemd")
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]);
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'';
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description = ''
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Configuration options to add to
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<filename>$XDG_CONFIG_HOME/htop/htoprc</filename>.
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'';
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};
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package = mkOption {
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type = types.package;
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default = pkgs.htop;
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defaultText = literalExpression "pkgs.htop";
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description = "Package containing the <command>htop</command> program.";
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};
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};
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config = mkIf cfg.enable {
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lib.htop = {
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inherit fields modes leftMeters rightMeters bar text graph led blank;
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};
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home.packages = [ cfg.package ];
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xdg.configFile."htop/htoprc" = let
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defaults = {
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fields = if isDarwin then
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remove fields.M_SHARE defaultFields
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else
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defaultFields;
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};
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before = optionalAttrs (cfg.settings ? header_layout) {
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inherit (cfg.settings) header_layout;
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};
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settings = defaults // (removeAttrs cfg.settings (attrNames before));
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formatOptions = mapAttrsToList formatOption;
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in mkIf (cfg.settings != { }) {
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text =
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concatStringsSep "\n" (formatOptions before ++ formatOptions settings)
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+ "\n";
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};
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};
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}
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