hello,
first off, SPA is pretty neat and it's great to see the 2.0 release in
C -- i'm looking forward to getting all the GPG stuff working.
however, it concerns me that all the machines running this report
fwknopd as consuming a fair amount of resources, continuously. for
example (top excerpt, 7 day uptime):
%CPU %MEM TIME+ COMMAND
0.7 0.4 46:37.31 fwknopd
0.0 0.4 0:00.01 sshd
0.0 0.4 0:00.12 bash
0.0 0.3 0:02.77 systemd
0.0 0.3 0:00.00 sshd
0.0 0.2 0:53.38 ntpd
0.0 0.2 0:00.00 sshd
0.0 0.2 0:03.81 avahi-daemon
... this server is almost 100% idle right now (in fact, Linode panel
shows less than 1MiB *total* traffic in 5 days ... couple ssh sessions
only). fwknopd uses a consistent 0.3-0.9% CPU at all times,
interrupting frequently. same results on ARMv7 pandaboard. strace
shows rapid nanosleep() + poll() loop:
[...]
nanosleep({0, 10000000}, NULL) = 0
poll([{fd=4, events=POLLIN}], 1, 0) = 0 (Timeout)
nanosleep({0, 10000000}, NULL) = 0
poll([{fd=4, events=POLLIN}], 1, 0) = 0 (Timeout)
nanosleep({0, 10000000}, NULL) = 0
poll([{fd=4, events=POLLIN}], 1, 0) = 0 (Timeout)
[...]
... how can this be remedied? bleh, i also had a related questions
but it's escaping me for now ...
thanks,
--
C Anthony
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