git: kernel - Add usched_dfly algorith, set as default for now (6)

Matthew Dillon dillon at crater.dragonflybsd.org
Wed Sep 19 05:13:44 PDT 2012


commit 4550c3e09a7ad95923d423a3c38cdd5a505d9b57
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Wed Sep 19 05:10:21 2012 -0700

    kernel - Add usched_dfly algorith, set as default for now (6)
    
    * Fix an edge case where the pairing could cause flapping.
    
    * Fix an edge case where user processes were interrupting each other
      when they were in the same queue, which could cause a synchronous
      process like a postgres server to lose cpu while holding internal
      locks during a short operation.

Summary of changes:
 sys/kern/usched_dfly.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4550c3e09a7ad95923d423a3c38cdd5a505d9b57


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