| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright 2022, Athira Rajeev, IBM Corp. |
| */ |
| |
| #include <stdio.h> |
| #include "../event.h" |
| #include "../sampling_tests/misc.h" |
| |
| /* PM_DATA_RADIX_PROCESS_L2_PTE_FROM_L2 */ |
| #define EventCode_1 0x14242 |
| /* PM_DATA_RADIX_PROCESS_L2_PTE_FROM_L3 */ |
| #define EventCode_2 0x24242 |
| |
| /* |
| * Testcase for group constraint check for radix_scope_qual |
| * field which is used to program Monitor Mode Control |
| * egister (MMCR1) bit 18. |
| * All events in the group should match radix_scope_qual, |
| * bits otherwise event_open for the group should fail. |
| */ |
| |
| static int group_constraint_radix_scope_qual(void) |
| { |
| struct event event, leader; |
| |
| /* |
| * Check for platform support for the test. |
| * This test is aplicable on power10 only. |
| */ |
| SKIP_IF(platform_check_for_tests()); |
| SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_1)); |
| |
| /* Init the events for the group contraint check for radix_scope_qual bits */ |
| event_init(&leader, EventCode_1); |
| FAIL_IF(event_open(&leader)); |
| |
| event_init(&event, 0x200fc); |
| |
| /* Expected to fail as sibling event doesn't request same radix_scope_qual bits as leader */ |
| FAIL_IF(!event_open_with_group(&event, leader.fd)); |
| |
| event_init(&event, EventCode_2); |
| /* Expected to pass as sibling event request same radix_scope_qual bits as leader */ |
| FAIL_IF(event_open_with_group(&event, leader.fd)); |
| |
| event_close(&leader); |
| event_close(&event); |
| return 0; |
| } |
| |
| int main(void) |
| { |
| return test_harness(group_constraint_radix_scope_qual, |
| "group_constraint_radix_scope_qual"); |
| } |