ib_srpt README: Add more performance notes

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4511 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2012-09-11 15:58:29 +00:00
parent f7fd6bbce0
commit d8b5dd28b4

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@@ -321,6 +321,9 @@ For more information, see also:
Performance Notes - Target Side
-------------------------------
* Building the SCST core and the ib_srpt target driver in release mode
improves performance compared to debug mode.
* When using high-latency storage devices (hard disks), the default value
choosen by SCST for DEVICE.threads_num should be fine. When using
low-latency storage devices though (SSDs), DEVICE.threads_num should be set
@@ -360,7 +363,9 @@ Performance Notes - Both Sides
* Disabling CONFIG_SCHED_DEBUG and CONFIG_SCHEDSTATS in the kernel config
helps.
* Use the SLAB memory allocator instead of SLUB.
* Disable CONFIG_IRQSOFF_TRACER such that CONFIG_TRACE_IRQFLAGS is disabled.
* Using the SLAB memory allocator instead of SLUB may help.
Frequently Asked Questions