[PATCH] syslet engine: use pread instead lseek+read
[fio.git] / engines / cpu.c
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1#include "../fio.h"
2#include "../os.h"
2866c82d 3
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4static int fio_cpuio_setup(struct thread_data fio_unused *td)
5{
6 return 0;
7}
8
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9static int fio_cpuio_init(struct thread_data *td)
10{
11 if (!td->cpuload) {
12 td_vmsg(td, EINVAL, "cpu thread needs rate");
13 return 1;
14 } else if (td->cpuload > 100)
15 td->cpuload = 100;
16
53cdc686 17 td->nr_files = 0;
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18
19 return 0;
20}
21
5f350952 22static struct ioengine_ops ioengine = {
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23 .name = "cpuio",
24 .version = FIO_IOOPS_VERSION,
25 .init = fio_cpuio_init,
ea2877a4 26 .setup = fio_cpuio_setup,
4d9345ae 27 .flags = FIO_CPUIO | FIO_NULLIO,
2866c82d 28};
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29
30static void fio_init fio_cpuio_register(void)
31{
32 register_ioengine(&ioengine);
33}
34
35static void fio_exit fio_cpuio_unregister(void)
36{
37 unregister_ioengine(&ioengine);
38}