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authorKleidi Bujari <mail@4kb.net>2025-04-02 22:11:38 -0400
committerKleidi Bujari <mail@4kb.net>2025-04-02 22:11:38 -0400
commitc950f338c5720a132552863a35d1c7924df3d3a6 (patch)
treec3134c42e1618c255ca8e9e0698f90b0ae8b3563 /packages/perf-flamegraph.nix
parentb619ff9dd42eaa62569c8297142f0e4c719d40d2 (diff)
parent09c2b6de63a6ff35348fcb2c2eb57b974f0a8a52 (diff)
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Merge remote-tracking branch 'origin/copy-blueprint'
Diffstat (limited to 'packages/perf-flamegraph.nix')
-rw-r--r--packages/perf-flamegraph.nix12
1 files changed, 12 insertions, 0 deletions
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
+''