selftests/powerpc/pmu: Add interface test for mmcra_ifm field of indirect call type

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The testcase uses "instructions" event to check if the
Instruction filtering mode(IFM) bits are programmed correctly
for indirect branch type. Testcase checks if IFM bits are
programmed correctly to Monitor Mode Control Register A (MMCRA)
via perf interface for ISA v3.1 platform.

Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220610134113.62991-6-atrajeev@linux.vnet.ibm.com

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Kajol Jain 2022-06-10 19:10:43 +05:30 • committed by Michael Ellerman

parent 61d8990031

commit c55dabc6d5

3 changed files with 100 additions and 2 deletions

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28

tools/testing/selftests/powerpc/pmu/branch_loops.S

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5

tools/testing/selftests/powerpc/pmu/sampling_tests/Makefile

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69

tools/testing/selftests/powerpc/pmu/sampling_tests/mmcra_bhrb_ind_call_test.c

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