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selftests/powerpc/pmu: Add interface test for mmcra register fields

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The testcase uses event code 0x35340401e0 to verify the settings for
different fields in Monitor Mode Control Register A (MMCRA). The fields
include thresh_start, thresh_stop thresh_select, sdar mode, sample and
marked bit. Checks if these fields are translated correctly via perf
interface to MMCRA.

Signed-off-by: Kajol Jain <kjain@linux.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/20220127072012.662451-21-kjain@linux.ibm.com
This commit is contained in:
Kajol Jain
2022-01-27 12:50:12 +05:30
committed by Michael Ellerman
parent 02f02feb6b
commit 29cf373c57
3 changed files with 82 additions and 1 deletions
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1
tools/testing/selftests/powerpc/pmu/sampling_tests/.gitignore vendored
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@@ -8,3 +8,4 @@ mmcr1_comb_test
mmcr2_l2l3_test
mmcr2_fcs_fch_test
mmcr3_src_test
mmcra_thresh_marked_sample_test