| // 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"); |
| } |