From 9d8c62a6e1f28491377b7000a6505c08630dc48c Mon Sep 17 00:00:00 2001
From: Franck Cuny <franck@fcuny.net>
Date: Thu, 16 Jun 2022 17:20:22 -0700
Subject: ref(scripts): remove the module for scripts

The scripts should be part of other modules. If there's no good place
for them, they should be part of the packages module.

Change-Id: Ic6c678fbe981444848a0ac7015c6c2e450f3b1c1
Reviewed-on: https://cl.fcuny.net/c/world/+/424
Tested-by: CI
Reviewed-by: Franck Cuny <franck@fcuny.net>
---
 modules/system/packages/default.nix | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'modules/system/packages/default.nix')

diff --git a/modules/system/packages/default.nix b/modules/system/packages/default.nix
index 84cfac2..f8b914c 100644
--- a/modules/system/packages/default.nix
+++ b/modules/system/packages/default.nix
@@ -1,7 +1,22 @@
 # Common packages
 { config, lib, pkgs, ... }:
 with lib;
-let linuxpkgs = config.boot.kernelPackages;
+let
+  linuxpkgs = config.boot.kernelPackages;
+  perf-flamegraph-process =
+    pkgs.writeShellScriptBin "perf-flamegraph-process" ''
+      set -euo pipefail
+
+      OUT_DIR="''${HOME}/workspace/tmp/flamegraph"
+      OUT_SVG="''${OUT_DIR}/$(date +%y%m%d-%H%M%S).svg"
+
+      mkdir -p ''${OUT_DIR}
+
+      ${pkgs.linuxPackages.perf}/bin/perf record -g --call-graph dwarf -F max "$@"
+      ${pkgs.linuxPackages.perf}/bin/perf script \
+        | ${pkgs.flamegraph}/bin/stackcollapse-perf.pl \
+        | ${pkgs.flamegraph}/bin/flamegraph.pl > "''${OUT_SVG}"
+    '';
 in
 {
 
@@ -33,6 +48,7 @@ in
     openssl
     parted
     pciutils
+    perf-flamegraph-process
     perf-tools
     powertop
     rsync
-- 
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