Messages in this thread |  | | | Date | Wed, 14 Nov 2007 21:14:34 -0800 (PST) | | From | dean gaudet <> | | Subject | Re: [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.
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