Add support for specific clock sources
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/time.h b/time.h
new file mode 100644
index 0000000..61ad5d8
--- /dev/null
+++ b/time.h
@@ -0,0 +1,32 @@
+#ifndef FIO_TIME_H
+#define FIO_TIME_H
+
+/*
+ * Clock sources
+ */
+enum fio_cs {
+ CS_GTOD = 1,
+ CS_CGETTIME,
+ CS_CPUCLOCK,
+};
+
+extern unsigned long long utime_since(struct timeval *, struct timeval *);
+extern unsigned long long utime_since_now(struct timeval *);
+extern unsigned long mtime_since(struct timeval *, struct timeval *);
+extern unsigned long mtime_since_now(struct timeval *);
+extern unsigned long time_since_now(struct timeval *);
+extern unsigned long mtime_since_genesis(void);
+extern void usec_spin(unsigned int);
+extern void usec_sleep(struct thread_data *, unsigned long);
+extern void fill_start_time(struct timeval *);
+extern void fio_gettime(struct timeval *, void *);
+extern void fio_gtod_init(void);
+extern void fio_clock_init(void);
+extern void fio_gtod_update(void);
+extern void set_genesis_time(void);
+extern int ramp_time_over(struct thread_data *);
+extern int in_ramp_time(struct thread_data *);
+extern unsigned long long genesis_cycles;
+extern void fio_time_init(void);
+
+#endif