[PATCH 1/3] powerpc/perf: Adds support for programming of Thresholding in P10

[Michael Ellerman]

Michael Ellerman <mpe at ellerman.id.au> writes:
> From: Kajol Jain <kjain at linux.ibm.com>
>
> Thresholding, a performance monitoring unit feature, can be
> used to identify marked instructions which take more than
> expected cycles between start event and end event.
> Threshold compare (thresh_cmp) bits are programmed in MMCRA
> register. In Power9, thresh_cmp bits were part of the
> event code. But in case of P10, thresh_cmp are not part of
> event code due to inclusion of MMCR3 bits.

Accidental resend, ignore.

cheers