selftests/powerpc/pmu: Add interface test for mmcra_ifm field for any branch type

Browse source

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

Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220610134113.62991-7-atrajeev@linux.vnet.ibm.com

...

This commit is contained in:

Kajol Jain 2022-06-10 19:10:44 +05:30 • committed by Michael Ellerman

parent c55dabc6d5

commit faa64ddc1e

2 changed files with 66 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

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

View file

65

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

View file