GnuPG 2.1.2 making tons of syscalls (was: Benchmarking key listing: pubring.kbx vs pubring.gpg, 1.4 vs 2.1)

[Guilhem Moulin]

On Wed, 25 Feb 2015 at 10:14:20 +0100, Guilhem Moulin wrote:
>   $ time gpg --homedir /tmp/gnupg1 --list-sigs >/dev/null
>   1:57.54 (83.55 user, 33.57 sys)  9264k maxres
>   $ time gpg2 --homedir /tmp/gnupg2 --list-sigs >/dev/null
>   2:24:34 (564.61 user, 8083.49 sys)  14936k maxres
> […] 
> The second timming is really odd: over 2h of system time?  Surely it
> must be a bug.
> […]
>   $ time gpg --homedir /tmp/gnupg1 --list-sigs 0x39278DA8109E6244 >/dev/null
>   0:17.24 (11.72 user, 5.46 sys)  8852k maxres
>   $ time gpg2 --homedir /tmp/gnupg2 --list-sigs 0x39278DA8109E6244 >/dev/null
>   0:30.85 (3.26 user, 27.50 sys)  14564k maxres

Doesn't anyone acknowledge this behavior and the fact that it's a bug?
I can't believe all these syscalls are intended, somehow.  Incidentally,
Jesus Cea made a similar observation (with 2.0.27) when updating the
trustdb:

    http://lists.gnupg.org/pipermail/gnupg-users/2015-March/053343.html

-- 
Guilhem.
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