On Tue, 9 Feb 2021 15:22:34 +0530, Kajol Jain wrote:
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.
[...]
Applied to powerpc/next.
[1/1] powerpc/perf: Adds support for programming of Thresholding in P10
https://git.kernel.org/powerpc/c/82d2c16b350f72aa21ac2a6860c542aa4b43a51e
cheers