cycles_fd 35 tools/perf/bench/mem-functions.c static int cycles_fd; cycles_fd 73 tools/perf/bench/mem-functions.c cycles_fd = sys_perf_event_open(&cycle_attr, getpid(), -1, -1, perf_event_open_cloexec_flag()); cycles_fd 75 tools/perf/bench/mem-functions.c if (cycles_fd < 0 && errno == ENOSYS) { cycles_fd 80 tools/perf/bench/mem-functions.c return cycles_fd; cycles_fd 88 tools/perf/bench/mem-functions.c ret = read(cycles_fd, &clk, sizeof(u64));