Messages in this thread | | | Date | Mon, 01 Feb 2010 11:39:26 -0800 | From | Corey Ashford <> | Subject | Re: [RFC] perf_events: support for uncore a.k.a. nest units |
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On 1/30/2010 12:42 AM, Peter Zijlstra wrote: > On Fri, 2010-01-29 at 15:05 -0800, Corey Ashford wrote: >> So you'd read the id from the sysfs topology tree, and then pass that id to the >> interface? That's an interesting approach that eliminates the need to pass a >> string pmu path to the kernel. > > No, the attr.pmu_id would reflect the location in the tree (pci > location, or spu number), the pmu id reported would identify the kind of > pmu driver used for that particular device. > > I realized this confusion after sending but didn't clarify, we should > come up with a good alternative name for either (or both) uses. >
Ok, just so I'm clear here, is attr.pmu_id a (char *) or some sort of encoded bit field?
- Corey
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