Fair enough. Is there a tree somewhere I can pull with all those in
it, or do I need to go back through the emails and apply patches?
You can use my nf-next.git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6.git
It contains the lock free counters, as well as smaller optimizations
from Eric.
So, by the time this hits inboxes, under:
ftp://ftp.netperf.org/nf-next-2.6-results
should be a directory called "baseline" which are the results from just a clone
of your tree from earlier today. There you will find the config file, the log of
the build and then three subdirectories:
none - results without doing iptables --list
empty - results after doing iptables --list
full - results after doing an iptables-restore of a config from the "iptables"
file also up there
In each will be the netperf results in csv format, and four different caliper
(using the perfmon interface) profiles:
"cycles" uses a profile which is able to take samples with interrupts disabled
"fprof" is a plain flat profile that does not see things happening with interrupt
s disabled - comparing an fprof to cycles is sometimes interesting
"dcache" tries to take cache miss profiles. iirc that uses the data ear in the
Itanium PMU to do its thing - I cannot recall the effect of interrupt disabling there
"scgprof" is a sampled call graph profile - likely as not with interrupt
limitations similar to those of an fprof profile.
The last timer patch I've seen missed the actual conversion
to use mod_timer_pending(), but it would be great to have some numbers
on the conntrack lock changes. Thanks Rick!
I will go back through my email now and try to find the conntrack lock changes
and apply them to the tree and turn the crank.
happy benchmarking
rick jones
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