powertop(8) Points at gpg-agent.

Ralph Corderoy ralph at inputplus.co.uk
Fri Feb 17 14:59:52 CET 2017


gnupg 2.1.18-1 on Arch Linux.  I noticed powertop ranking the
gpg-agents, one per user, quite highly, and their impact is multiplied
by their number.  strace(1) showed the two-second select(2) timing out
with no syscalls in between, and the forking of two siblings to have a
`GETINFO pid' chat every minute.

Hans-Christoph Steiner noticed back in 2012, and Werner pointed the
relevant #defines.

    # define TIMERTICK_INTERVAL          (2)
    # define CHECK_OWN_SOCKET_INTERVAL  (60)

There's a few relevant patches by Daniel Kahn Gillmor, e.g. cancelling
the socket check if inotify(7) can be used.

Are there any plans to make gpg-agent consume less background resources?
It remains running here when a user logs out.  Is that common?  A
variety of users logging in over time divides TIMERTICK_INTERVAL quite a

Cheers, Ralph.

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