On Mon, Mar 09, 2020 at 10:45:47PM +0000, Chris Wilson wrote:
Quoting Umesh Nerlige Ramappa (2020-03-09 21:10:57)
On running several back to back perf capture sessions involving closing
and opening the perf stream, invalid OA reports are seen in the
beginning of the OA buffer in some sessions. Fix this by invalidating OA
TLB when the perf stream is closed or disabled on gen12.
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@xxxxxxxxx>
Testcase?
Issue occurs if all perf tests are run on TGL, but I guess a single
subtest should do it too. Here it is -
https://patchwork.freedesktop.org/patch/356973/
Thanks,
Umesh
-Chris
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