SVNews r332540

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2018-04-16 03:52:54 - r332540 by mav (Alexander Motin)

Complete list of files affected by revision r332540:

(Note: At the moment, these links point to ViewVC on svn.freebsd.org. They are probably slow. Do not overuse.)

   Contents     MODIFY   /stable/11  
  History   Contents   Diff   MODIFY   /stable/11/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h  
  History   Contents   Diff   MODIFY   /stable/11/sys/cddl/contrib/opensolaris/uts/common/Makefile.files  
  History   Contents     ADD   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/THIRDPARTYLICENSE.cityhash  
  History   Contents     ADD   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/THIRDPARTYLICENSE.cityhash.descrip  
  History   Contents     ADD   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/aggsum.c  
  History   Contents   Diff   MODIFY   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c  
  History   Contents     ADD   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/cityhash.c  
  History   Contents   Diff   MODIFY   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c  
  History   Contents     ADD   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/aggsum.h  
  History   Contents     ADD   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/cityhash.h  
  History   Contents   Diff   MODIFY   /stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_context.h  
  History   Contents   Diff   MODIFY   /stable/11/sys/conf/files  

Commit message:

MFC r331404: MFV r331400:
8484 Implement aggregate sum and use for arc counters

In pursuit of improving performance on multi-core systems, we should
implements fanned out counters and use them to improve the performance of
some of the arc statistics. These stats are updated extremely frequently,
and can consume a significant amount of CPU time.

Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Dan McDonald <danmcd@joyent.com>
Author: Paul Dagnelie <pcd@delphix.com>

 


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