[PATCH V2] powerpc/perf: Exclude kernel samples while counting events in user space.

[Michael Ellerman]

On Wed, 25 Nov 2020 02:26:55 -0500, Athira Rajeev wrote:
> Perf event attritube supports exclude_kernel flag
> to avoid sampling/profiling in supervisor state (kernel).
> Based on this event attr flag, Monitor Mode Control Register
> bit is set to freeze on supervisor state. But sometime (due
> to hardware limitation), Sampled Instruction Address
> Register (SIAR) locks on to kernel address even when
> freeze on supervisor is set. Patch here adds a check to
> drop those samples.

Applied to powerpc/next.

[1/1] powerpc/perf: Exclude kernel samples while counting events in user space.
      https://git.kernel.org/powerpc/c/aa8e21c053d72b6639ea5a7f1d3a1d0209534c94

cheers