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| author | Kleidi Bujari <mail@4kb.net> | 2025-01-24 12:14:23 -0500 |
|---|---|---|
| committer | Kleidi Bujari <mail@4kb.net> | 2025-01-24 12:14:23 -0500 |
| commit | 32f4cb5cbba313b7af2fce46139c04d9469cb72a (patch) | |
| tree | 3cc7da05d4320a8f89a726d67811110771dae1bf /mod/tools/perf-flamegraph.nix | |
| parent | 8271e2b89180578ab4dd9ed9eb37142254e5a148 (diff) | |
| download | depot-32f4cb5cbba313b7af2fce46139c04d9469cb72a.tar.gz depot-32f4cb5cbba313b7af2fce46139c04d9469cb72a.tar.bz2 depot-32f4cb5cbba313b7af2fce46139c04d9469cb72a.zip | |
25-jan sprint
Diffstat (limited to 'mod/tools/perf-flamegraph.nix')
| -rw-r--r-- | mod/tools/perf-flamegraph.nix | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mod/tools/perf-flamegraph.nix b/mod/tools/perf-flamegraph.nix new file mode 100644 index 0000000..b472b74 --- /dev/null +++ b/mod/tools/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 +'' |