[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bug#45102] [PATCH 0/4] Making fewer 'stat' calls during startup
From: |
Ludovic Courtès |
Subject: |
[bug#45102] [PATCH 0/4] Making fewer 'stat' calls during startup |
Date: |
Tue, 08 Dec 2020 21:24:29 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) |
Hi,
Mathieu Othacehe <othacehe@gnu.org> skribis:
>> The semantic difference should be invisible to users: their modules
>> are still visible and usable in manifests, in ‘guix repl’, etc.; they
>> just cannot take precedence over modules from Guile and from the
>> channels. For instance, one cannot define a (gnu packages base)
>> module or (ice-9 rdelim), drop it in $GUILE_LOAD_PATH, and have that
>> module picked up in lieu of the original one. I think that’s a
>> reasonable tradeoff.
>
> I think that's reasonable too. I tested it locally and have the
> following command:
>
> strace -c -e stat,openat ./pre-inst-env guix
>
> drop from 1671 calls to 1017 calls, which is nice.
You should try:
./pre-inst-env strace -c stat guix
but even then you’ll get more ‘stat’ calls than the ‘guix’ command
provided by ‘guix pull’.
You can run, say:
strace -c $(make as-derivation)/bin/guix
> The patchset looks good to me.
Cool, thanks!
Ludo’.