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 0x100fc 17 #define EventCode_2 0x200fa 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_p10(void) 26 { 27 struct event *e, events[5]; 28 int i; 29 int pvr = PVR_VER(mfspr(SPRN_PVR)); 30 31 /* Check for platform support for the test */ 32 SKIP_IF(platform_check_for_tests()); 33 34 /* 35 * PVR check is used here since PMU specific data like 36 * alternative events is handled by respective PMU driver 37 * code and using PVR will work correctly for all cases 38 * including generic compat mode. 39 */ 40 SKIP_IF((pvr != POWER10) && (pvr != POWER11)); 41 42 SKIP_IF(check_for_generic_compat_pmu()); 43 44 /* 45 * Test for event alternative for 0x0001e 46 * and 0x00002. 47 */ 48 e = &events[0]; 49 event_init(e, 0x0001e); 50 51 e = &events[1]; 52 event_init(e, EventCode_1); 53 54 e = &events[2]; 55 event_init(e, EventCode_2); 56 57 e = &events[3]; 58 event_init(e, EventCode_3); 59 60 e = &events[4]; 61 event_init(e, EventCode_4); 62 63 FAIL_IF(event_open(&events[0])); 64 65 /* 66 * Expected to pass since 0x0001e has alternative event 67 * 0x600f4 in PMC6. So it can go in with other events 68 * in PMC1 to PMC4. 69 */ 70 for (i = 1; i < 5; i++) 71 FAIL_IF(event_open_with_group(&events[i], events[0].fd)); 72 73 for (i = 0; i < 5; i++) 74 event_close(&events[i]); 75 76 e = &events[0]; 77 event_init(e, 0x00002); 78 79 e = &events[1]; 80 event_init(e, EventCode_1); 81 82 e = &events[2]; 83 event_init(e, EventCode_2); 84 85 e = &events[3]; 86 event_init(e, EventCode_3); 87 88 e = &events[4]; 89 event_init(e, EventCode_4); 90 91 FAIL_IF(event_open(&events[0])); 92 93 /* 94 * Expected to pass since 0x00020 has alternative event 95 * 0x500fa in PMC5. So it can go in with other events 96 * in PMC1 to PMC4. 97 */ 98 for (i = 1; i < 5; i++) 99 FAIL_IF(event_open_with_group(&events[i], events[0].fd)); 100 101 for (i = 0; i < 5; i++) 102 event_close(&events[i]); 103 104 return 0; 105 } 106 107 int main(void) 108 { 109 return test_harness(event_alternatives_tests_p10, "event_alternatives_tests_p10"); 110 } 111