diff options
Diffstat (limited to 'contrib/stack-collapse.py')
| -rwxr-xr-x | contrib/stack-collapse.py | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/contrib/stack-collapse.py b/contrib/stack-collapse.py index ee77e158945c..f5602c95c48e 100755 --- a/contrib/stack-collapse.py +++ b/contrib/stack-collapse.py @@ -1,12 +1,11 @@ #!/usr/bin/env nix-shell #!nix-shell -i python3 -p python3 --pure -# To be used with `--trace-function-calls` and `-vvvv` and -# `flamegraph.pl`. +# To be used with `--trace-function-calls` and `flamegraph.pl`. # # For example: # -# nix-instantiate --trace-function-calls -vvvv '<nixpkgs>' -A hello 2> nix-function-calls.trace +# nix-instantiate --trace-function-calls '<nixpkgs>' -A hello 2> nix-function-calls.trace # ./contrib/stack-collapse.py nix-function-calls.trace > nix-function-calls.folded # nix-shell -p flamegraph --run "flamegraph.pl nix-function-calls.folded > nix-function-calls.svg" |