Re: Why are we waiting? - Mailing list pgsql-hackers

From Jignesh K. Shah
Subject Re: Why are we waiting?
Date
Msg-id 47AB4688.1020204@sun.com
Whole thread Raw
In response to Re: Why are we waiting?  (Simon Riggs <simon@2ndquadrant.com>)
List pgsql-hackers
I dont think my earlier message got through..

We use separate lookup tables for 825 and 83 based on the respective 
lwlock.h for that version.


-Jignesh


Simon Riggs wrote:
> On Thu, 2008-02-07 at 16:29 +0100, Staale Smedseng wrote:
>   
>> On Wed, 2008-02-06 at 19:55, Tom Lane wrote:
>>     
>>> I am wondering if the waits are being
>>> attributed to the right locks --- I remember such an error in a previous
>>> set of dtrace results, and some of the other details such as claiming
>>> shared lock delays but no exclusive lock delays for FirstLockMgrLock
>>> seem less than credible as well.
>>>       
>> Good catch. We've checked the DTrace scripts against the respective
>> versions of lwlock.h, and the FirstLockMgrLock is off (this is actually
>> the results for FirstBufMappingLock). 
>>     
>
> I just realised you are using a lookup to get the text for the name of
> the lock. You used the same lookup table for both releases?
>
>   


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