1 // SPDX-License-Identifier: GPL-2.0
11 #include "../perf-sys.h"
13 /* hw: cycles,instructions sw: context-switch, uncore: [arch dependent] */
14 static int types[] = {0, 1, -1};
42 	 * initialized with disabled set to 1 and any child events are  in event_open()
43 	 * initialized with disabled set to 0. Despite disabled being 0,  in event_open()
47 	attr.disabled = group_fd == -1 ? 1 : 0;  in event_open()
49 	return sys_perf_event_open(&attr, -1, 0, group_fd, 0);  in event_open()
59 			if (!strcmp(uncore_pmus[i].name, pmu->name)) {  in setup_uncore_event()
60 				pr_debug("Using %s for uncore pmu event\n", pmu->name);  in setup_uncore_event()
61 				types[2] = pmu->type;  in setup_uncore_event()
71 				fd = event_open(types[2], configs[2], -1);  in setup_uncore_event()
73 					return -1;  in setup_uncore_event()
79 	return -1;  in setup_uncore_event()
82 static int run_test(int i, int j, int k)  in run_test()  argument
84 	int erroneous = ((((1 << i) | (1 << j) | (1 << k)) & 5) == 5);  in run_test()
87 	group_fd = event_open(types[i], configs[i], -1);  in run_test()
88 	if (group_fd == -1)  in run_test()
89 		return -1;  in run_test()
91 	sibling_fd1 = event_open(types[j], configs[j], group_fd);  in run_test()
92 	if (sibling_fd1 == -1) {  in run_test()
94 		return erroneous ? 0 : -1;  in run_test()
105 	if (!i && !j && !k)  in run_test()
106 		sibling_fd2 = event_open(types[k], configs_hw[k], group_fd);  in run_test()
108 		sibling_fd2 = event_open(types[k], configs[k], group_fd);  in run_test()
109 	if (sibling_fd2 == -1) {  in run_test()
112 		return erroneous ? 0 : -1;  in run_test()
118 	return erroneous ? -1 : 0;  in run_test()
123 	int i, j, k;  in test__event_groups()  local
128 	if (ret || types[2] == -1)  in test__event_groups()
133 		for (j = 0; j < 3; j++) {  in test__event_groups()
134 			for (k = 0; k < 3; k++) {  in test__event_groups()
135 				r = run_test(i, j, k);  in test__event_groups()
143 				if (!i && !j && !k)  in test__event_groups()
145 						 types[i], configs[i], types[j], configs[j],  in test__event_groups()
146 						 types[k], configs_hw[k], r ? "Fail" : "Pass");  in test__event_groups()
149 						 types[i], configs[i], types[j], configs[j],  in test__event_groups()
150 						 types[k], configs[k], r ? "Fail" : "Pass");  in test__event_groups()