git.baikalelectronics.ru Git - kernel.git/commit

author	Athira Rajeev <atrajeev@linux.vnet.ibm.com>
	Thu, 27 Jan 2022 07:20:03 +0000 (12:50 +0530)
committer	Michael Ellerman <mpe@ellerman.id.au>
	Tue, 1 Mar 2022 12:39:27 +0000 (23:39 +1100)
commit	0307f74f3ece22f8ad2d45d2aa2a75acfc732d8f
tree	7e247fb96238e642cf0712787eec4c7b5d67fc61	tree \| snapshot
parent	e8ee851692b352b0eb77c73af227c2f9462ec641	commit \| diff

selftests/powerpc/pmu/: Add interface test for mmcr0_pmccext bit

The testcase uses cycles event to check the PMCCEXT bit setting in
Monitor Mode Control Register 0 (MMCR0). Check if perf interface sets
this control bit in MMCR0 on ISA v3.1 platform.

Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
[mpe: Add error checking, drop GET_MMCR_FIELD, add to .gitignore]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220127072012.662451-12-kjain@linux.ibm.com

tools/testing/selftests/powerpc/pmu/sampling_tests/.gitignore		diff \| blob \| history
tools/testing/selftests/powerpc/pmu/sampling_tests/Makefile		diff \| blob \| history
tools/testing/selftests/powerpc/pmu/sampling_tests/mmcr0_pmccext_test.c	[new file with mode: 0644]	blob