svn commit: r286763 - in head/sys: cddl/contrib/opensolaris/uts/common cddl/contrib/opensolaris/uts/common/fs/zfs cddl/contrib/opensolaris/uts/common/fs/zfs/sys conf
Andriy Gapon
avg at FreeBSD.org
Fri Aug 14 09:45:06 UTC 2015
On 14/08/2015 12:42, Alexander Motin wrote:
> On 14.08.2015 12:39, Andriy Gapon wrote:
>> On 14/08/2015 12:31, Alexander Motin wrote:
>>> Author: mav
>>> Date: Fri Aug 14 09:31:07 2015
>>> New Revision: 286763
>>> URL: https://svnweb.freebsd.org/changeset/base/286763
>>>
>>> Log:
>>> MFV r277431: 5497 lock contention on arcs_mtx
>>>
>>> Reviewed by: George Wilson <george.wilson at delphix.com>
>>> Reviewed by: Matthew Ahrens <mahrens at delphix.com>
>>> Reviewed by: Richard Elling <richard.elling at richardelling.com>
>>> Approved by: Dan McDonald <danmcd at omniti.com>
>>> Author: Prakash Surya <prakash.surya at delphix.com>
>>>
>>> illumos/illumos-gate at 244781f10dcd82684fd8163c016540667842f203
>>>
>>> This patch attempts to reduce lock contention on the current arc_state_t
>>> mutexes. These mutexes are used liberally to protect the number of LRU
>>> lists within the ARC (e.g. ARC_mru, ARC_mfu, etc). The granularity at
>>> which these locks are acquired has been shown to greatly affect the
>>> performance of highly concurrent, cached workloads.
>>>
>>> Added:
>>> head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/multilist.c (contents, props changed)
>>> head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/multilist.h (contents, props changed)
>>> Modified:
>>> head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files
>>> head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
>>> head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c
>>> head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/arc.h
>>> head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio_inject.c
>>> head/sys/conf/files
>>> Directory Properties:
>>> head/sys/cddl/contrib/opensolaris/ (props changed)
>>>
>>> Modified: head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files
>>> ==============================================================================
>>> --- head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files Fri Aug 14 09:25:54 2015 (r286762)
>>> +++ head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files Fri Aug 14 09:31:07 2015 (r286763)
>>> @@ -68,6 +68,7 @@ ZFS_COMMON_OBJS += \
>>> lz4.o \
>>> lzjb.o \
>>> metaslab.o \
>>> + multilist.o \
>>> range_tree.o \
>>> refcount.o \
>>> rrwlock.o \
>>
>> Thank you!
>> The new file also has to be added to sys/conf/files for those who
>> compile ZFS into a kernel.
>
> And it was added just below. Have I missed something?
>
Oops, sorry for the noise.
--
Andriy Gapon
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