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From: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
To: mpe@ellerman.id.au
Cc: kjain@linux.ibm.com, maddy@linux.vnet.ibm.com,
	linuxppc-dev@lists.ozlabs.org, disgoel@linux.vnet.ibm.com,
	rnsastry@linux.ibm.com
Subject: [PATCH V2 28/35] selftest/powerpc/pmu: Add selftest for PERF_TYPE_HARDWARE events valid check
Date: Fri, 20 May 2022 14:47:44 +0530	[thread overview]
Message-ID: <20220520091751.17000-29-atrajeev@linux.vnet.ibm.com> (raw)
In-Reply-To: <20220520091751.17000-1-atrajeev@linux.vnet.ibm.com>

Testcase to ensure that using invalid event in generic
event for PERF_TYPE_HARDWARE will fail. Invalid generic
events in power10 are:
- PERF_COUNT_HW_BUS_CYCLES
- PERF_COUNT_HW_STALLED_CYCLES_FRONTEND
- PERF_COUNT_HW_STALLED_CYCLES_BACKEND
- PERF_COUNT_HW_REF_CPU_CYCLES

Invalid generic events in power9 are:
- PERF_COUNT_HW_BUS_CYCLES
- PERF_COUNT_HW_REF_CPU_CYCLES

Testcase does event open for valid and invalid generic
events to ensure event open works for all valid events
and fails for invalid events.

Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
---
 .../powerpc/pmu/event_code_tests/Makefile     |   2 +-
 .../generic_events_valid_test.c               | 130 ++++++++++++++++++
 2 files changed, 131 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/powerpc/pmu/event_code_tests/generic_events_valid_test.c

diff --git a/tools/testing/selftests/powerpc/pmu/event_code_tests/Makefile b/tools/testing/selftests/powerpc/pmu/event_code_tests/Makefile
index 50bcc036dddf..0d56f1ef530f 100644
--- a/tools/testing/selftests/powerpc/pmu/event_code_tests/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/event_code_tests/Makefile
@@ -4,7 +4,7 @@ CFLAGS += -m64
 TEST_GEN_PROGS := group_constraint_pmc56_test group_pmc56_exclude_constraints_test group_constraint_pmc_count_test \
 	group_constraint_repeat_test group_constraint_radix_scope_qual_test reserved_bits_mmcra_sample_elig_mode_test \
 	group_constraint_mmcra_sample_test invalid_event_code_test reserved_bits_mmcra_thresh_ctl_test \
-	blacklisted_events_test event_alternatives_tests_p9 event_alternatives_tests_p10
+	blacklisted_events_test event_alternatives_tests_p9 event_alternatives_tests_p10 generic_events_valid_test
 
 top_srcdir = ../../../../../..
 include ../../../lib.mk
diff --git a/tools/testing/selftests/powerpc/pmu/event_code_tests/generic_events_valid_test.c b/tools/testing/selftests/powerpc/pmu/event_code_tests/generic_events_valid_test.c
new file mode 100644
index 000000000000..0d237c15d3f2
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/event_code_tests/generic_events_valid_test.c
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2022, Athira Rajeev, IBM Corp.
+ */
+
+#include <stdio.h>
+#include <sys/prctl.h>
+#include <limits.h>
+#include "../event.h"
+#include "../sampling_tests/misc.h"
+
+/*
+ * Testcase to ensure that using invalid event in generic
+ * event for PERF_TYPE_HARDWARE should fail
+ */
+
+static int generic_events_valid_test(void)
+{
+	struct event event;
+
+	/* Check for platform support for the test */
+	SKIP_IF(platform_check_for_tests());
+
+	/* generic events is different in compat_mode */
+	SKIP_IF(check_for_generic_compat_pmu());
+
+	/*
+	 * Invalid generic events in power10:
+	 * - PERF_COUNT_HW_BUS_CYCLES
+	 * - PERF_COUNT_HW_STALLED_CYCLES_FRONTEND
+	 * - PERF_COUNT_HW_STALLED_CYCLES_BACKEND
+	 * - PERF_COUNT_HW_REF_CPU_CYCLES
+	 */
+	if (PVR_VER(mfspr(SPRN_PVR)) == POWER10) {
+		event_init_opts(&event, PERF_COUNT_HW_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_INSTRUCTIONS,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_CACHE_REFERENCES,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_CACHE_MISSES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BRANCH_MISSES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BUS_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+
+		event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+
+		event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+
+		event_init_opts(&event, PERF_COUNT_HW_REF_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+	} else if (PVR_VER(mfspr(SPRN_PVR)) == POWER9) {
+		/*
+		 * Invalid generic events in power9:
+		 * - PERF_COUNT_HW_BUS_CYCLES
+		 * - PERF_COUNT_HW_REF_CPU_CYCLES
+		 */
+		event_init_opts(&event, PERF_COUNT_HW_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_INSTRUCTIONS, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_CACHE_REFERENCES,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_CACHE_MISSES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BRANCH_MISSES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BUS_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+
+		event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_REF_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+	}
+
+	return 0;
+}
+
+int main(void)
+{
+	return test_harness(generic_events_valid_test, "generic_events_valid_test");
+}
-- 
2.35.1


  parent reply	other threads:[~2022-05-20  9:37 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-20  9:17 [PATCH V2 00/35] Add group constraints and event code test as part of selftest Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 01/35] selftest/powerpc/pmu: Add mask/shift bits for extracting threshold compare field Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 02/35] testing/selftests/powerpc: Add support to fetch "platform" and "base platform" from auxv to detect platform Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 03/35] selftest/powerpc/pmu: Add interface test for mmcra_thresh_cmp fields Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 04/35] selftest/powerpc/pmu: Add support for branch sampling in get_intr_regs function Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 05/35] selftest/powerpc/pmu: Add interface test for mmcra_ifm field of indirect call type Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 06/35] selftest/powerpc/pmu: Add interface test for mmcra_ifm field for any branch type Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 07/35] selftest/powerpc/pmu: Add interface test for mmcra_ifm field for conditional " Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 08/35] selftest/powerpc/pmu: Add interface test for bhrb disable field Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 09/35] selftest/powerpc/pmu: Refactor the platform check and add macros to find array size/PVR Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 10/35] selftest/powerpc/pmu: Add selftest to check branch stack enablement will not crash on any platforms Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 11/35] selftest/powerpc/pmu: Add selftest to check PERF_SAMPLE_REGS_INTR option " Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 12/35] selftest/powerpc/pmu: Add selftest for checking valid and invalid bhrb filter maps Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 13/35] selftest/powerpc/pmu: Add selftest for mmcr1 pmcxsel/unit/cache fields Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 14/35] selftest/powerpc/pmu: Add interface test for bhrb disable field for non-branch samples Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 15/35] selftest/powerpc/pmu: Add support for perf event code tests Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 16/35] selftest/powerpc/pmu: Add selftest for group constraint check for PMC5 and PMC6 Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 17/35] selftest/powerpc/pmu: Add selftest to check PMC5/6 is excluded from some constraint checks Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 18/35] selftest/powerpc/pmu: Add selftest to check constraint for number of counters in use Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 19/35] selftest/powerpc/pmu: Add selftest for group constraint check when using same PMC Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 20/35] selftest/powerpc/pmu: Add selftest for group constraint check for radix_scope_qual field Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 21/35] selftest/powerpc/pmu: Add selftest for group constraint for MMCRA Sampling Mode field Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 22/35] selftest/powerpc/pmu: Add selftest for group constraint check MMCRA sample bits Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 23/35] selftest/powerpc/pmu: Add selftest for checking invalid bits in event code Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 24/35] selftest/powerpc/pmu: Add selftest for reserved bit check for MMCRA thresh_ctl field Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 25/35] selftest/powerpc/pmu: Add selftest for blacklist events check in power9 Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 26/35] selftest/powerpc/pmu: Add selftest for event alternatives for power9 Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 27/35] selftest/powerpc/pmu: Add selftest for event alternatives for power10 Athira Rajeev
2022-05-20  9:17 ` Athira Rajeev [this message]
2022-05-20  9:17 ` [PATCH V2 29/35] selftest/powerpc/pmu: Add selftest for group constraint check for MMCR0 l2l3_sel bits Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 30/35] selftest/powerpc/pmu: Add selftest for group constraint check for MMCR1 cache bits Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 31/35] selftest/powerpc/pmu: Add selftest for group constraint check for MMCRA thresh_cmp field Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 32/35] selftest/powerpc/pmu: Add selftest for group constraint for unit and pmc field in p9 Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 33/35] selftest/powerpc/pmu: Add selftest for group constraint check for MMCRA thresh_ctl field Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 34/35] selftest/powerpc/pmu: Add selftest for group constraint check for MMCRA thresh_sel field Athira Rajeev
2022-05-20  9:17 ` [PATCH V2 35/35] selftest/powerpc/pmu: Add test for hardware cache events Athira Rajeev

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