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DateWed, 14 Nov 2007 21:14:34 -0800 (PST)
Fromdean gaudet <>
SubjectRe: [perfmon] Re: [perfmon2] perfmon2 merge news
On Thu, 15 Nov 2007, Paul Mackerras wrote:

> dean gaudet writes:
>
> > actually multiplexing is the main feature i am in need of. there are an
> > insufficient number of counters (even on k8 with 4 counters) to do
> > complete stall accounting or to get a general overview of L1d/L1i/L2 cache
> > hit rates, average miss latency, time spent in various stalls, and the
> > memory system utilization (or HT bus utilization). this runs out to
> > something like 30 events which are interesting... and re-running a
> > benchmark over and over just to get around the lack of multiplexing is a
> > royal pain in the ass.
>
> So by "multiplexing" do you mean the ability to have multiple event
> sets associated with a context and have the kernel switch between them
> automatically?

yep.

-dean
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