I had come to that conclusion. There is no data that I can find in the monitor records that can be used for this type of profiling.
Regards, Richard Schuh > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark > Sent: Friday, October 03, 2008 1:32 AM > To: [email protected] > Subject: Re: Tracking Hot Spots > > On Thursday, 10/02/2008 at 09:36 EDT, LOREN CHARNLEY > <[EMAIL PROTECTED]> wrote: > > Your best bet would be to investigate the Velocity Software Suite, > > they > are the > > only ones to have the performance monitor for VM. > > Loren, your statement that Velocity the only vendor of > performance monitoring software is incorrect. Both IBM and > Velocity offer solutions. > > But a VM performance monitor is not an "execution profiler". > To really know where a machine is spending its time, you have > to look at an instruction trace. Depending on the workload, > you MAY be able to get some idea by sampling the PSW as Rob suggests. > > Alan Altmark > z/VM Development > IBM Endicott >
