Add LFSR generator

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index 139b9383f9fbd3ebaf1598b77ecbce244926465a..0100e3d8680a07af00894495c73e99322bcd6b60 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -177,6 +177,12 @@ struct thread_options {
        unsigned int bs_unaligned;
        unsigned int fsync_on_close;
 
+       unsigned int random_distribution;
+       double zipf_theta;
+       double pareto_h;
+
+       unsigned int random_generator;
+
        unsigned int hugepage_size;
        unsigned int rw_min_bs;
        unsigned int thinktime;
@@ -554,6 +560,7 @@ enum {
 
 extern int exitall_on_terminate;
 extern unsigned int thread_number;
+extern unsigned int stat_number;
 extern unsigned int nr_process, nr_thread;
 extern int shm_id;
 extern int groupid;
@@ -583,14 +590,9 @@ static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
        assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
 }
 
-#define BLOCKS_PER_MAP         (8 * sizeof(unsigned long))
-#define TO_MAP_BLOCK(f, b)     (b)
-#define RAND_MAP_IDX(f, b)     (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
-#define RAND_MAP_BIT(f, b)     (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
-
 #define REAL_MAX_JOBS          2048
 
-static inline enum error_type td_error_type(enum fio_ddir ddir, int err)
+static inline enum error_type_bit td_error_type(enum fio_ddir ddir, int err)
 {
        if (err == EILSEQ)
                return ERROR_TYPE_VERIFY_BIT;
@@ -681,6 +683,7 @@ enum {
        TD_NOT_CREATED = 0,
        TD_CREATED,
        TD_INITIALIZED,
+       TD_SETTING_UP,
        TD_RAMP,
        TD_RUNNING,
        TD_PRE_READING,
@@ -815,4 +818,15 @@ enum {
        FIO_OUTPUT_NORMAL,
 };
 
+enum {
+       FIO_RAND_DIST_RANDOM    = 0,
+       FIO_RAND_DIST_ZIPF,
+       FIO_RAND_DIST_PARETO,
+};
+
+enum {
+       FIO_RAND_GEN_TAUSWORTHE = 0,
+       FIO_RAND_GEN_LFSR,
+};
+
 #endif