Searched refs:cycles_fd (Results 1 – 1 of 1) sorted by relevance
30 static int cycles_fd; variable68 cycles_fd = sys_perf_event_open(&cycle_attr, getpid(), -1, -1, perf_event_open_cloexec_flag()); in init_cycles()70 if (cycles_fd < 0 && errno == ENOSYS) in init_cycles()73 BUG_ON(cycles_fd < 0); in init_cycles()81 ret = read(cycles_fd, &clk, sizeof(u64)); in get_cycles()