Messages in this thread | | | Subject | Re: PostgreSQL pgbench performance regression in 2.6.23+ | From | Mike Galbraith <> | Date | Thu, 22 May 2008 14:09:36 +0200 |
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On Thu, 2008-05-22 at 13:44 +0200, Peter Zijlstra wrote:
> Humm,.. how to fix this.. we'd need to somehow detect the 1:n nature of > its operation - I'm sure there are other scenarios that could benefit > from this.
Maybe simple (minded): cache waker's last non-interrupt context wakee, if the wakee != cached, ignore SYNC_WAKEUP unless sync was requested at call time?
-Mike
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