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authorKleidi Bujari <mail@4kb.net>2025-04-02 21:59:20 -0400
committerKleidi Bujari <mail@4kb.net>2025-04-02 21:59:20 -0400
commit09c2b6de63a6ff35348fcb2c2eb57b974f0a8a52 (patch)
treebd8f1d3a51f12cd98764ae572b00f0b32de62644 /packages/perf-flamegraph.nix
parentb1738c105de3bc0ba7cd27f68c9eb146439a0964 (diff)
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Diffstat (limited to 'packages/perf-flamegraph.nix')
-rw-r--r--packages/perf-flamegraph.nix12
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diff --git a/packages/perf-flamegraph.nix b/packages/perf-flamegraph.nix
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+# 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
+''