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Feature #6672

closed

arc_reclaim_thread() should use gethrtime() instead of ddi_get_lbolt()

Added by George Wilson about 5 years ago. Updated about 5 years ago.

Status:
Closed
Priority:
Normal
Assignee:
George Wilson
Category:
zfs - Zettabyte File System
Start date:
2016-02-24
Due date:
% Done:

100%

Estimated time:
Difficulty:
Bite-size
Tags:
needs-triage
Gerrit CR:

Description

Instead of using ddi_get_lbolt(), ZFS should use gethrtime() for timekeeping to provides better time resolution. This bug focuses on one specific consumer of ddi_get_lbolt(), the arc_reclaim_thread. This bite-size bug won't change any functionality, but will provide a facility for future enhancements.

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 #1

Updated by Electric Monk about 5 years ago

  • Status changed from New to Closed
  • % Done changed from 0 to 100

git commit a8f6344fa0921599e1f4511e41b5f9a25c38c0f9

commit  a8f6344fa0921599e1f4511e41b5f9a25c38c0f9
Author: Eli Rosenthal <eli.rosenthal@delphix.com>
Date:   2016-03-03T00:00:54.000Z

    6672 arc_reclaim_thread() should use gethrtime() instead of ddi_get_lbolt()
    6673 want a macro to convert seconds to nanoseconds and vice-versa
    Reviewed by: Matthew Ahrens <mahrens@delphix.com>
    Reviewed by: Prakash Surya <prakash.surya@delphix.com>
    Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
    Reviewed by: Robert Mustacchi <rm@joyent.com>
    Approved by: Dan McDonald <danmcd@omniti.com>

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