On 3/16/2015 9:20 AM, John-Mark Gurney wrote:
Since you have at test framework ready, you could generate some flame
graphs[1] using dtrace to help see where things might be having an
impact...
These are very easy to generate, and posting them would be useful...
[1] http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html
Hi,
I went through the steps to generate one. What args should I use for
dtrace to generate the information that is helpful / useful ? For my
setup, I have
server1---------apu-------------server2
server1 has an openvpn tunnel to the apu
I route server2's IP address across the VPN tunnel, so if I ping from
server1 to server2's IP, it goes via the tunnel
on the
dtrace -x ustackframes=100 -n 'profile-99 /execname == "openvpn" &&
arg1/ { @[ustack()] = count(); } tick-30s { exit(0); }' -o 10.stacks
which generated
http://tancsa.com/10.svg
---Mike
--
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, [email protected]
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada http://www.tancsa.com/
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