| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Simon Riggs" <simon(at)2ndquadrant(dot)com>, "Timothy D(dot) Witham" <wookie(at)osdl(dot)org>, testperf-general(at)pgfoundry(dot)org |
| Subject: | Re: [Testperf-general] Re: First set of OSDL Shared Memscalability results, some wierdness ... |
| Date: | 2004-10-15 20:38:17 |
| Message-ID: | 200410151338.17277.josh@agliodbs.com |
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| Lists: | pgsql-hackers pgsql-performance |
Tom,
> I suspect the reason recalc_sigpending_tsk is so high is that the
> original coding of PG_TRY involved saving and restoring the signal mask,
> which led to a whole lot of sigsetmask-type kernel calls. Is this test
> with beta3, or something older?
Beta3, *without* Gavin or Neil's Futex patch.
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco
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