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Yes, https://lore.kernel.org/r/CAHk-=wgRm26_oT-JR+TRzDsfhD1TRxfWDM=j6kJerv+m=NU-yQ@mail.gmail.com This patch solves per-thread profiling issue. However, -e cycles:p is still root only because IBS hw does not support user/kernel filtering. Thanks, Ravi