diff options
| author | Paul Dagnelie <[email protected]> | 2017-05-25 11:32:40 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2018-06-06 09:35:59 -0700 |
| commit | 37fb3e431845b934df9771d7bcca5fbef79f4c1e (patch) | |
| tree | 352e34819910486a9a5ff9cb8870f4256c90afff /module/zfs/THIRDPARTYLICENSE.cityhash | |
| parent | f0ed6c744872ec6dc4838947ffc597f4d141864a (diff) | |
OpenZFS 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.
Authored by: Paul Dagnelie <[email protected]>
Reviewed by: Pavel Zakharov <[email protected]>
Reviewed by: Matthew Ahrens <[email protected]>
Approved by: Dan McDonald <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Ported-by: Paul Dagnelie <[email protected]>
OpenZFS-issue: https://www.illumos.org/issues/8484
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/7028a8b92b7
Issue #3752
Closes #7462
Diffstat (limited to 'module/zfs/THIRDPARTYLICENSE.cityhash')
| -rw-r--r-- | module/zfs/THIRDPARTYLICENSE.cityhash | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/module/zfs/THIRDPARTYLICENSE.cityhash b/module/zfs/THIRDPARTYLICENSE.cityhash new file mode 100644 index 000000000..e558b2a50 --- /dev/null +++ b/module/zfs/THIRDPARTYLICENSE.cityhash @@ -0,0 +1,19 @@ +Copyright (c) 2011 Google, Inc. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. |