| 21 Jun 2026 |
 llakala | * there's a lot of names to remove on every mkDerivation
removedOrReplacedAttrNames = [
"checkInputs"
"installCheckInputs"
"nativeCheckInputs"
"nativeInstallCheckInputs"
"__contentAddressed"
"__darwinAllowLocalNetworking"
"__impureHostDeps"
"__propagatedImpureHostDeps"
"sandboxProfile"
"propagatedSandboxProfile"
"disallowedReferences"
"disallowedRequisites"
"allowedReferences"
"allowedRequisites"
"allowedImpureDLLs"
];
| 13:02:57 |
 Sergei Zimmerman (xokdvium) | We can do a better filterAttrs, but I don’t think those showed any improvements | 14:21:00 |
| 22 Jun 2026 |
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| fsnkty set a profile picture. | 09:26:03 |
| 23 Jun 2026 |
|  debrazen joined the room. | 10:50:02 |
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| 25 Jun 2026 |
 connor (burnt/out) (UTC-8) | Domen Kožar Mic92 re: https://github.com/NixOS/nix/pull/16067#issuecomment-4802639722, I’d love to know more! Is there anywhere you’re working on this? | 19:37:32 |
 Mic92 | patchelf | 19:38:26 |
| Mic92 | check the pr of domen | 19:38:37 |
| Sergei Zimmerman (xokdvium) | IIUC https://github.com/NixOS/patchelf/pull/647 isn't going to address the core issue with slow startups and -z now / RELRO | 19:48:30 |
| Sergei Zimmerman (xokdvium) | I.e. the DT_NEEDED resolution is going to result in less stat storms (which is good), but resolving dynamic relocations isn't going to be any faster | 19:48:58 |
| connor (burnt/out) (UTC-8) | llakala do you happen to have a utility or script (or maybe there’s something already in tree that I’m missing) that lets you produce the diff in stats (like in https://github.com/NixOS/nix/pull/15885)? | 19:53:56 |
| llakala | yep! i put it up in a flake of mine | 20:15:07 |
| llakala | currently undocumented but you can see the source here | 20:16:16 |
| llakala | if you really want to just run it, you can feel free to copy the jq script yourself and run it with jq -s -f script.jq before.json after.json (where stats are generated with NIX_SHOW_STATS) | 20:17:25 |
| llakala | script is meant to make that easy so you can do nix run github:llakala/menu#dims -- --before HEAD~1 --expr '2+2', but the script UX kinda sucks - it requires committing your changes before testing, and will rerun the expr even if the before commit is the same as a previous run. something to improve in the future | 20:19:46 |
| llakala | i'd be happy to upstream any of this wherever it's wanted, for the record. stats diffing is a wonderful convenience, and memoryBytes.total is very useful | 20:26:03 |
| 27 Jun 2026 |
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| 28 Jun 2026 |
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