[PATCH 0/2] perf, pt: Improve data loss

Hi guys, v1: fixed whitespace damage in 1/2 and applied Adrian's comment to 2/2. There is a problem between the PT driver and the AUX allocator that results in smaller buffers consisting of 2 high-order regions, which also means only 2 possibilities of where PMI gets generated and where tracing s

[PATCH 0/2] perf, pt: Improve data loss

Hi guys, There is a problem between the PT driver and the AUX allocator that results in smaller buffers consisting of 2 high-order regions, which also means only 2 possibilities of where PMI gets generated and where tracing stops. This is not good enough for double buffering: when we get a PMI mi