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selftests/powerpc/pmu: Add selftest for mmcr1 pmcxsel/unit/cache fields

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The testcase uses event code "0x21c040" to verify the settings for
different fields in Monitor Mode Control Register 1 (MMCR1). The fields
include PMCxSEL, PMCXCOMB PMCxUNIT, cache. Checks if these fields are
translated correctly via perf interface to MMCR1

Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220610134113.62991-14-atrajeev@linux.vnet.ibm.com
This commit is contained in:
Athira Rajeev
2022-06-10 19:10:51 +05:30
committed by Michael Ellerman
parent f6380e05aa
commit 0321f2d0ae
2 changed files with 78 additions and 1 deletions
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2
tools/testing/selftests/powerpc/pmu/sampling_tests/Makefile
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@@ -7,7 +7,7 @@ TEST_GEN_PROGS := mmcr0_exceptionbits_test mmcr0_cc56run_test mmcr0_pmccext_test
mmcr3_src_test mmcra_thresh_marked_sample_test mmcra_thresh_cmp_test \
mmcra_bhrb_ind_call_test mmcra_bhrb_any_test mmcra_bhrb_cond_test \
mmcra_bhrb_disable_test bhrb_no_crash_wo_pmu_test intr_regs_no_crash_wo_pmu_test \
bhrb_filter_map_test
bhrb_filter_map_test mmcr1_sel_unit_cache_test
top_srcdir = ../../../../../..
include ../../../lib.mk