From 14e29d815e478119b2f529921984646a3686f78c Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Wed, 12 Sep 2012 14:06:47 +0000 Subject: [PATCH] ib_srpt README: Add more performance notes git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4514 d57e44dd-8a1f-0410-8b47-8ef2f437770f --- srpt/README | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/srpt/README b/srpt/README index 27e55dda1..7b43baf7c 100644 --- a/srpt/README +++ b/srpt/README @@ -365,7 +365,11 @@ Performance Notes - Both Sides * Disable CONFIG_IRQSOFF_TRACER such that CONFIG_TRACE_IRQFLAGS is disabled. -* Using the SLAB memory allocator instead of SLUB may help. +* Consider which memory allocator to use. With recent kernels using the SLUB + memory allocator instead of SLAB may help. On multi-socket systems the SLAB + memory allocator may result in better performance. Please note that SLAB is + tunable while SLUB is not. See also http://lkml.org/lkml/2010/7/9/264 and + http://www.ibm.com/developerworks/linux/library/l-linux-slab-allocator/. Frequently Asked Questions