Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 1 | #include "../fio.h" |
| 2 | #include "../os.h" |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 3 | |
Jens Axboe | ea2877a | 2006-10-10 08:30:24 +0200 | [diff] [blame] | 4 | static int fio_cpuio_setup(struct thread_data fio_unused *td) |
| 5 | { |
| 6 | return 0; |
| 7 | } |
| 8 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 9 | static int fio_cpuio_init(struct thread_data *td) |
| 10 | { |
| 11 | if (!td->cpuload) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 12 | td_vmsg(td, EINVAL, "cpu thread needs rate", "cpu_load"); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 13 | return 1; |
| 14 | } else if (td->cpuload > 100) |
| 15 | td->cpuload = 100; |
| 16 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 17 | td->nr_files = 0; |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 18 | |
| 19 | return 0; |
| 20 | } |
| 21 | |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 22 | static struct ioengine_ops ioengine = { |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 23 | .name = "cpuio", |
| 24 | .version = FIO_IOOPS_VERSION, |
| 25 | .init = fio_cpuio_init, |
Jens Axboe | ea2877a | 2006-10-10 08:30:24 +0200 | [diff] [blame] | 26 | .setup = fio_cpuio_setup, |
Jens Axboe | 4d9345a | 2007-02-07 13:14:57 +0100 | [diff] [blame] | 27 | .flags = FIO_CPUIO | FIO_NULLIO, |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 28 | }; |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 29 | |
| 30 | static void fio_init fio_cpuio_register(void) |
| 31 | { |
| 32 | register_ioengine(&ioengine); |
| 33 | } |
| 34 | |
| 35 | static void fio_exit fio_cpuio_unregister(void) |
| 36 | { |
| 37 | unregister_ioengine(&ioengine); |
| 38 | } |