[Stgt-devel] Tuning iSER for performance

[Erez Zilber]

> Another comment:  there is 10 us between consecutive printfs in this
> trace.  You're probably not using TSC for GTOD.  It's not a big
> deal, but be aware that your "with debugging" runs may be
> significantly slower than without.  Just watch to make sure that the
> profiling output makes sense.  We hack the kernel in a bad way to
> get around this on our machines.
> http://git.osc.edu/?p=linux.git;a=commitdiff;h=e7ff54222523a2ae6816c9ff17ad5a8fa86cd5e1
>   

What is TSC & GTOD?

Erez