[PATCH] Basic support for a cpu cycle eater job

[fio.git] / ioengines.c

diff --git a/ioengines.c b/ioengines.c
index a78088ddb8753e32d5ad9c97cfbdd92ad64b8e55..01492bcf5645434bac6dee82f3c89a1dcf6d9b06 100644 (file)
--- a/ioengines.c
+++ b/ioengines.c
@@ -918,3 +918,17 @@ int fio_spliceio_init(struct thread_data *td)
 }
 
 #endif /* FIO_HAVE_SPLICE */
+
+int fio_cpuio_init(struct thread_data *td)
+{
+       if (!td->cpuload) {
+               td_vmsg(td, EINVAL, "cpu thread needs rate");
+               return 1;
+       } else if (td->cpuload > 100)
+               td->cpuload = 100;
+
+       td->read_iolog = td->write_iolog = 0;
+       td->fd = -1;
+
+       return 0;
+}