1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright 2022, Athira Rajeev, IBM Corp. 4 */ 5 6 #include <stdio.h> 7 #include "../event.h" 8 #include "../sampling_tests/misc.h" 9 10 #define PM_RUN_CYC_ALT 0x200f4 11 #define PM_INST_DISP 0x200f2 12 #define PM_BR_2PATH 0x20036 13 #define PM_LD_MISS_L1 0x3e054 14 #define PM_RUN_INST_CMPL_ALT 0x400fa 15 16 #define EventCode_1 0x200fa 17 #define EventCode_2 0x200fc 18 #define EventCode_3 0x300fc 19 #define EventCode_4 0x400fc 20 21 /* 22 * Check for event alternatives. 23 */ 24 25 static int event_alternatives_tests_p9(void) 26 { 27 struct event event, leader; 28 29 /* Check for platform support for the test */ 30 SKIP_IF(platform_check_for_tests()); 31 32 /* 33 * PVR check is used here since PMU specific data like 34 * alternative events is handled by respective PMU driver 35 * code and using PVR will work correctly for all cases 36 * including generic compat mode. 37 */ 38 SKIP_IF(PVR_VER(mfspr(SPRN_PVR)) != POWER9); 39 40 /* Skip for generic compat PMU */ 41 SKIP_IF(check_for_generic_compat_pmu()); 42 43 /* Init the event for PM_RUN_CYC_ALT */ 44 event_init(&leader, PM_RUN_CYC_ALT); 45 FAIL_IF(event_open(&leader)); 46 47 event_init(&event, EventCode_1); 48 49 /* 50 * Expected to pass since PM_RUN_CYC_ALT in PMC2 has alternative event 51 * 0x600f4. So it can go in with EventCode_1 which is using PMC2 52 */ 53 FAIL_IF(event_open_with_group(&event, leader.fd)); 54 55 event_close(&leader); 56 event_close(&event); 57 58 event_init(&leader, PM_INST_DISP); 59 FAIL_IF(event_open(&leader)); 60 61 event_init(&event, EventCode_2); 62 /* 63 * Expected to pass since PM_INST_DISP in PMC2 has alternative event 64 * 0x300f2 in PMC3. So it can go in with EventCode_2 which is using PMC2 65 */ 66 FAIL_IF(event_open_with_group(&event, leader.fd)); 67 68 event_close(&leader); 69 event_close(&event); 70 71 event_init(&leader, PM_BR_2PATH); 72 FAIL_IF(event_open(&leader)); 73 74 event_init(&event, EventCode_2); 75 /* 76 * Expected to pass since PM_BR_2PATH in PMC2 has alternative event 77 * 0x40036 in PMC4. So it can go in with EventCode_2 which is using PMC2 78 */ 79 FAIL_IF(event_open_with_group(&event, leader.fd)); 80 81 event_close(&leader); 82 event_close(&event); 83 84 event_init(&leader, PM_LD_MISS_L1); 85 FAIL_IF(event_open(&leader)); 86 87 event_init(&event, EventCode_3); 88 /* 89 * Expected to pass since PM_LD_MISS_L1 in PMC3 has alternative event 90 * 0x400f0 in PMC4. So it can go in with EventCode_3 which is using PMC3 91 */ 92 FAIL_IF(event_open_with_group(&event, leader.fd)); 93 94 event_close(&leader); 95 event_close(&event); 96 97 event_init(&leader, PM_RUN_INST_CMPL_ALT); 98 FAIL_IF(event_open(&leader)); 99 100 event_init(&event, EventCode_4); 101 /* 102 * Expected to pass since PM_RUN_INST_CMPL_ALT in PMC4 has alternative event 103 * 0x500fa in PMC5. So it can go in with EventCode_4 which is using PMC4 104 */ 105 FAIL_IF(event_open_with_group(&event, leader.fd)); 106 107 event_close(&leader); 108 event_close(&event); 109 110 return 0; 111 } 112 113 int main(void) 114 { 115 return test_harness(event_alternatives_tests_p9, "event_alternatives_tests_p9"); 116 } 117