Move thread options into a seperate structure

[fio.git] / engines / cpu.c

diff --git a/engines/cpu.c b/engines/cpu.c
index 7a084e0acb96247dddb2af6a10b62fee2ce7a769..c908cab8af55aff7f86a58c35483af973450800d 100644 (file)
--- a/engines/cpu.c
+++ b/engines/cpu.c
@@ -1,19 +1,26 @@
+/*
+ * CPU engine
+ *
+ * Doesn't transfer any data, merely burns CPU cycles according to
+ * the settings.
+ *
+ */
 #include "../fio.h"
 #include "../os.h"
 
 static int fio_cpuio_queue(struct thread_data *td, struct io_u fio_unused *io_u)
 {
-       __usec_sleep(td->cpucycle);
+       __usec_sleep(td->o.cpucycle);
        return FIO_Q_COMPLETED;
 }
 
 static int fio_cpuio_setup(struct thread_data fio_unused *td)
 {
        struct fio_file *f;
-       int i;
+       unsigned int i;
 
-       td->total_file_size = -1;
-       td->io_size = td->total_file_size;
+       td->o.size = -1;
+       td->io_size = td->o.size;
        td->total_io_size = td->io_size;
 
        for_each_file(td, f, i) {
@@ -26,22 +33,24 @@ static int fio_cpuio_setup(struct thread_data fio_unused *td)
 
 static int fio_cpuio_init(struct thread_data *td)
 {
-       if (!td->cpuload) {
+       struct thread_options *o = &td->o;
+
+       if (!o->cpuload) {
                td_vmsg(td, EINVAL, "cpu thread needs rate (cpuload=)","cpuio");
                return 1;
        }
 
-       if (td->cpuload > 100)
-               td->cpuload = 100;
+       if (o->cpuload > 100)
+               o->cpuload = 100;
 
        /*
         * set thinktime_sleep and thinktime_spin appropriately
         */
-       td->thinktime_blocks = 1;
-       td->thinktime_spin = 0;
-       td->thinktime = (td->cpucycle * (100 - td->cpuload)) / td->cpuload;
+       o->thinktime_blocks = 1;
+       o->thinktime_spin = 0;
+       o->thinktime = (o->cpucycle * (100 - o->cpuload)) / o->cpuload;
 
-       td->nr_files = td->open_files = 1;
+       o->nr_files = o->open_files = 1;
        return 0;
 }