From 09c2b6de63a6ff35348fcb2c2eb57b974f0a8a52 Mon Sep 17 00:00:00 2001
From: Kleidi Bujari <mail@4kb.net>
Date: Wed, 2 Apr 2025 21:59:20 -0400
Subject: automate project structure

---
 packages/perf-flamegraph.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 packages/perf-flamegraph.nix

(limited to 'packages/perf-flamegraph.nix')

diff --git a/packages/perf-flamegraph.nix b/packages/perf-flamegraph.nix
new file mode 100644
index 0000000..b472b74
--- /dev/null
+++ b/packages/perf-flamegraph.nix
@@ -0,0 +1,12 @@
+# Script that collects perf timing for the execution of a command and writes a
+# flamegraph to stdout
+{ pkgs, ... }:
+
+pkgs.writeShellScriptBin "perf-flamegraph" ''
+  set -euo pipefail
+
+  ${pkgs.linuxPackages.perf}/bin/perf record -g --call-graph dwarf -F max "$@"
+  ${pkgs.linuxPackages.perf}/bin/perf script \
+    | ${pkgs.flamegraph}/bin/stackcollapse-perf.pl \
+    | ${pkgs.flamegraph}/bin/flamegraph.pl
+''
-- 
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