| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright 2022, Athira Rajeev, IBM Corp. |
| */ |
| |
| #include <stdio.h> |
| #include "../event.h" |
| #include "../sampling_tests/misc.h" |
| |
| #define PM_RUN_CYC_ALT 0x200f4 |
| #define PM_INST_DISP 0x200f2 |
| #define PM_BR_2PATH 0x20036 |
| #define PM_LD_MISS_L1 0x3e054 |
| #define PM_RUN_INST_CMPL_ALT 0x400fa |
| |
| #define EventCode_1 0x100fc |
| #define EventCode_2 0x200fa |
| #define EventCode_3 0x300fc |
| #define EventCode_4 0x400fc |
| |
| /* |
| * Check for event alternatives. |
| */ |
| |
| static int event_alternatives_tests_p10(void) |
| { |
| struct event *e, events[5]; |
| int i; |
| |
| /* Check for platform support for the test */ |
| SKIP_IF(platform_check_for_tests()); |
| |
| /* |
| * PVR check is used here since PMU specific data like |
| * alternative events is handled by respective PMU driver |
| * code and using PVR will work correctly for all cases |
| * including generic compat mode. |
| */ |
| SKIP_IF(PVR_VER(mfspr(SPRN_PVR)) != POWER10); |
| |
| SKIP_IF(check_for_generic_compat_pmu()); |
| |
| /* |
| * Test for event alternative for 0x0001e |
| * and 0x00002. |
| */ |
| e = &events[0]; |
| event_init(e, 0x0001e); |
| |
| e = &events[1]; |
| event_init(e, EventCode_1); |
| |
| e = &events[2]; |
| event_init(e, EventCode_2); |
| |
| e = &events[3]; |
| event_init(e, EventCode_3); |
| |
| e = &events[4]; |
| event_init(e, EventCode_4); |
| |
| FAIL_IF(event_open(&events[0])); |
| |
| /* |
| * Expected to pass since 0x0001e has alternative event |
| * 0x600f4 in PMC6. So it can go in with other events |
| * in PMC1 to PMC4. |
| */ |
| for (i = 1; i < 5; i++) |
| FAIL_IF(event_open_with_group(&events[i], events[0].fd)); |
| |
| for (i = 0; i < 5; i++) |
| event_close(&events[i]); |
| |
| e = &events[0]; |
| event_init(e, 0x00002); |
| |
| e = &events[1]; |
| event_init(e, EventCode_1); |
| |
| e = &events[2]; |
| event_init(e, EventCode_2); |
| |
| e = &events[3]; |
| event_init(e, EventCode_3); |
| |
| e = &events[4]; |
| event_init(e, EventCode_4); |
| |
| FAIL_IF(event_open(&events[0])); |
| |
| /* |
| * Expected to pass since 0x00020 has alternative event |
| * 0x500fa in PMC5. So it can go in with other events |
| * in PMC1 to PMC4. |
| */ |
| for (i = 1; i < 5; i++) |
| FAIL_IF(event_open_with_group(&events[i], events[0].fd)); |
| |
| for (i = 0; i < 5; i++) |
| event_close(&events[i]); |
| |
| return 0; |
| } |
| |
| int main(void) |
| { |
| return test_harness(event_alternatives_tests_p10, "event_alternatives_tests_p10"); |
| } |