[oi-dev] Running a debug kernel

[Scott McClung]

* Liam Slusser (lslusser at gmail.com) [140709 05:55]:
> Does running a debug kernel cause a performance impact?  Basically I build
> a nightly image with debugging enabled (defaults) and all seems to work
> great but I'm wondering if there is a performance penalty and I should
> rebuild without debugging?

I am not an OI developer, but I had reason to build my own
illumos-gate a few months ago for testing a patch I thought might help
my particular workload.  I found that the debug build was much slower,
on the order of 1/5th the I/O performance of a non-debug build for our
iozone benchmarks.

-- 
Scott McClung (scott at mcclung.com)