You can run a PEX trace for several hours and take the whole machine nicely!!


-------------- Original message --------------
From: Jon Paris <Jon.Paris@xxxxxxxxxxxxxx>

On 25-Mar-08, at 11:47 AM, midrange-l-request@xxxxxxxxxxxx wrote:

If a process is not taking much CPU while not impacting paging, the
issue is unlikely memory; what memory pool it runs in will not matter.

I didn't say it wasn't using CPU - it is the fact that it is slow
_while_ there is still a bunch of free CPU available that interested me.

The specific app that I'm working with happens to be PHP. There is
zero I/O (apart from any associated with PHP functions) and no page
faults being registered - so I'm just having a hard time
understanding why the CPU is not being used.

We did boost the memory on the box which resulted in the speed of the
app increasing and the CPU usage dropping - I'm just trying to
understand what I can do next. Want to make it do something with all
this spare CPU that's lying around while I'm waiting!! ...

Jon Paris

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