On 2014.03.28 10:21:50 -0700, bradley.d.volkin@xxxxxxxxx wrote: > From: Brad Volkin <bradley.d.volkin@xxxxxxxxx> > > There is some thought that the data from the performance counters enabled > via OACONTROL should only be available to the process that enabled counting. > To limit snooping, require that any batch buffer which sets OACONTROL to a > non-zero value also sets it back to 0 before the end of the batch. > I think this might be too strict although there's good point in this. But it makes almost impossible to insert mi report count command to probe GPU statistics from kind of third-party tool or lib. Could we have a i915.enable_cmd_parser config that can disable this? -- Open Source Technology Center, Intel ltd. $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
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