104 	struct perf_event_attr attr = {0};  in test_perf_branches_hw()  local
109 	attr.size = sizeof(attr);  in test_perf_branches_hw()
110 	attr.type = PERF_TYPE_HARDWARE;  in test_perf_branches_hw()
111 	attr.config = PERF_COUNT_HW_CPU_CYCLES;  in test_perf_branches_hw()
112 	attr.freq = 1;  in test_perf_branches_hw()
113 	attr.sample_freq = 4000;  in test_perf_branches_hw()
114 	attr.sample_type = PERF_SAMPLE_BRANCH_STACK;  in test_perf_branches_hw()
115 	attr.branch_sample_type = PERF_SAMPLE_BRANCH_USER | PERF_SAMPLE_BRANCH_ANY;  in test_perf_branches_hw()
116 	pfd = syscall(__NR_perf_event_open, &attr, -1, 0, -1, PERF_FLAG_FD_CLOEXEC);  in test_perf_branches_hw()
145 	struct perf_event_attr attr = {0};  in test_perf_branches_no_hw()  local
150 	attr.size = sizeof(attr);  in test_perf_branches_no_hw()
151 	attr.type = PERF_TYPE_SOFTWARE;  in test_perf_branches_no_hw()
152 	attr.config = PERF_COUNT_SW_CPU_CLOCK;  in test_perf_branches_no_hw()
153 	attr.freq = 1;  in test_perf_branches_no_hw()
154 	attr.sample_freq = 4000;  in test_perf_branches_no_hw()
155 	pfd = syscall(__NR_perf_event_open, &attr, -1, 0, -1, PERF_FLAG_FD_CLOEXEC);  in test_perf_branches_no_hw()