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-rwxr-xr-xcontrib/stack-collapse.py5
1 files changed, 2 insertions, 3 deletions
diff --git a/contrib/stack-collapse.py b/contrib/stack-collapse.py
index ee77e1589..f5602c95c 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"