Subject: Re: [linux-audio-dev] shared memory synchronization
From: est_AT_hyperreal.org
Date: pe loka 01 1999 - 12:22:32 EDT
Juhana Sadeharju discourseth:
> >From: est_AT_hyperreal.org
> >
> >Some of the recent discussions, especially the anomalous behavior
> >observed by Juhana, have got me thinking about three issues involving
> >the use of shared memory between threads and among processors.
>
> I have recently suspected that the corresponding page just was swapped
> out.
Wouldn't the access cause a page fault (and swap-in) if that were the case?
> I don't exactly recall when I upgraded memory from 16 to 32 Mbytes
> but when I had 16 Mbytes, the system swapped easily. Perhaps locking
> of allocated pages would help...? I could test this with XWave2.
A small test program that illustrates the behavior would be ideal.
Eric
This archive was generated by hypermail 2b28 : pe maalis 10 2000 - 07:27:12 EST