143 static int perf_read_counter(int perf_fd, u64 *count)  in perf_read_counter()  argument
149 	ssize_t len = read(perf_fd, count, sizeof(*count));  in perf_read_counter()
229 	int perf_fd;	/* File descriptor of perf performance counter */  in same_watch_addr_test()  local
251 	perf_fd = perf_watchpoint_open(pid, &value, sizeof(value));  in same_watch_addr_test()
252 	FAIL_IF_MSG(perf_fd < 0, "Failed to open perf performance counter");  in same_watch_addr_test()
271 	FAIL_IF_MSG(perf_read_counter(perf_fd, &perf_count), "Failed to read perf counter");  in same_watch_addr_test()
281 	FAIL_IF_MSG(perf_read_counter(perf_fd, &perf_count), "Failed to read perf counter");  in same_watch_addr_test()
299 	FAIL_IF_MSG(perf_read_counter(perf_fd, &perf_count), "Failed to read perf counter");  in same_watch_addr_test()
309 	FAIL_IF_MSG(perf_read_counter(perf_fd, &perf_count), "Failed to read perf counter");  in same_watch_addr_test()
324 	FAIL_IF_MSG(perf_read_counter(perf_fd, &perf_count), "Failed to read perf counter");  in same_watch_addr_test()
342 	FAIL_IF_MSG(perf_read_counter(perf_fd, &perf_count), "Failed to read perf counter");  in same_watch_addr_test()
357 	FAIL_IF_MSG(perf_read_counter(perf_fd, &perf_count), "Failed to read perf counter");  in same_watch_addr_test()
383 	int perf_fd;	/* File descriptor of perf performance counter */  in perf_then_ptrace_test()  local
410 	perf_fd = perf_watchpoint_open(pid, &perf_value, sizeof(perf_value));  in perf_then_ptrace_test()
411 	FAIL_IF_MSG(perf_fd < 0, "Failed to open perf performance counter");  in perf_then_ptrace_test()
428 	FAIL_IF_MSG(perf_read_counter(perf_fd, &perf_count), "Failed to read perf counter");  in perf_then_ptrace_test()