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-rw-r--r--modules/system/packages/default.nix18
1 files changed, 17 insertions, 1 deletions
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