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[Bug 454740] Re: xastir consumes CPU time in X11 socket I/O

 

Going back through old bug reports and stumbled across this still open.
Fired up xastir on my ham box to check it out.

Machine I'm running it on is significantly newer, but I am indeed still
seeing about an 8% CPU load from the xastir 2.0.6 process on Ubuntu
15.10. I strace'd the running process and am still seeing a similar
tight loop but with recvmsg() rather than read().

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https://bugs.launchpad.net/bugs/454740

Title:
  xastir consumes CPU time in X11 socket I/O

Status in xastir:
  Unknown
Status in xastir package in Ubuntu:
  Triaged

Bug description:
  Binary package hint: xastir

  kjotte@zarya:~$ lsb_release -rd
  Description:	Ubuntu 9.04
  Release:	9.04

  kjotte@zarya:~$ apt-cache policy xastir
  xastir:
    Installed: 1.9.4-3
    Candidate: 1.9.4-3
    Version table:
   *** 1.9.4-3 0
          500 http://archive.linux.duke.edu jaunty/universe Packages
          100 /var/lib/dpkg/status

  After upgrading from Intrepid (xastir 1.9.2) to Jaunty I noticed my
  CPU was running at a constant ~10%.  Running an strace revealed there
  was quite a bit time spent timing out of polls on the X11 socket fd.
  I tried setting the DISPLAY to use TCP instead of UNIX sockets, but
  the high poll activity still occurred.

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