[PATCH] Basic support for a cpu cycle eater job

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index a87fcef472a951a45e174acd5e811628ad789319..ee47599b31bfeee8a333dc77f8149d2cd2ce0086 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -131,6 +131,7 @@ enum fio_iotype {
        FIO_POSIXAIO    = 1 << 3,
        FIO_SGIO        = 1 << 4,
        FIO_SPLICEIO    = 1 << 5 | FIO_SYNCIO,
        FIO_POSIXAIO    = 1 << 3,
        FIO_SGIO        = 1 << 4,
        FIO_SPLICEIO    = 1 << 5 | FIO_SYNCIO,

+       FIO_CPUIO       = 1 << 6,

 };
 
 /*
 };
 
 /*


@@ -261,6 +262,12 @@ struct thread_data {
        unsigned long *file_map;
        unsigned int num_maps;
 
        unsigned long *file_map;
        unsigned int num_maps;
 

+       /*
+        * CPU "io" cycle burner
+        */
+       unsigned int cpuload;
+       unsigned int cpucycle;
+

        /*
         * bandwidth and latency stats
         */
        /*
         * bandwidth and latency stats
         */


@@ -307,13 +314,17 @@ struct thread_data {
        struct list_head io_log_list;
 };
 
        struct list_head io_log_list;
 };
 

-#define td_verror(td, err)                                             \
+#define __td_verror(td, err, msg)                                      \

        do {                                                            \
                int e = (err);                                          \
                (td)->error = e;                                        \
        do {                                                            \
                int e = (err);                                          \
                (td)->error = e;                                        \

-               snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, strerror(e));  \
+               snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg));        \

        } while (0)
 
        } while (0)
 

+
+#define td_verror(td, err)     __td_verror((td), (err), strerror((err)))
+#define td_vmsg(td, err, msg)  __td_verror((td), (err), (msg))
+

 extern struct io_u *__get_io_u(struct thread_data *);
 extern void put_io_u(struct thread_data *, struct io_u *);
 
 extern struct io_u *__get_io_u(struct thread_data *);
 extern void put_io_u(struct thread_data *, struct io_u *);
 


@@ -409,6 +420,7 @@ extern unsigned long utime_since(struct timeval *, 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(struct timeval *, struct timeval *);
 extern unsigned long mtime_since_now(struct timeval *);
 extern unsigned long time_since_now(struct timeval *);

+extern void __usec_sleep(unsigned int);

 extern void usec_sleep(struct thread_data *, unsigned long);
 extern void rate_throttle(struct thread_data *, unsigned long, unsigned int);
 
 extern void usec_sleep(struct thread_data *, unsigned long);
 extern void rate_throttle(struct thread_data *, unsigned long, unsigned int);