Split poisson rate control into read/write/trim

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index df4fbb16da9d4ab7dec15870c3e6826d50c329dc..8171b9ab7f4e08f3c60e53339401460bcac11a9c 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -25,7 +25,7 @@
 #include "debug.h"
 #include "file.h"
 #include "io_ddir.h"
-#include "ioengine.h"
+#include "ioengines.h"
 #include "iolog.h"
 #include "helpers.h"
 #include "options.h"
@@ -39,8 +39,10 @@
 #include "server.h"
 #include "stat.h"
 #include "flow.h"
+#include "io_u.h"
 #include "io_u_queue.h"
 #include "workqueue.h"
+#include "steadystate.h"
 
 #ifdef CONFIG_SOLARISAIO
 #include <sys/asynch.h>
@@ -73,7 +75,7 @@ enum {
        TD_F_VER_NONE           = 1U << 5,
        TD_F_PROFILE_OPS        = 1U << 6,
        TD_F_COMPRESS           = 1U << 7,
-       TD_F_NOIO               = 1U << 8,
+       TD_F_RESERVED           = 1U << 8, /* not used */
        TD_F_COMPRESS_LOG       = 1U << 9,
        TD_F_VSTATE_SAVED       = 1U << 10,
        TD_F_NEED_LOCK          = 1U << 11,
@@ -98,6 +100,8 @@ enum {
        FIO_DEDUPE_OFF,
        FIO_RAND_POISSON_OFF,
        FIO_RAND_ZONE_OFF,
+       FIO_RAND_POISSON2_OFF,
+       FIO_RAND_POISSON3_OFF,
        FIO_RAND_NR_OFFS,
 };
 
@@ -109,11 +113,17 @@ enum {
        RATE_PROCESS_POISSON = 1,
 };
 
+enum {
+       F_ADV_NONE = 0,
+       F_ADV_TYPE,
+       F_ADV_RANDOM,
+       F_ADV_SEQUENTIAL,
+};
+
 /*
  * Per-thread/process specific data. Only used for the network client
  * for now.
  */
-struct sk_out;
 void sk_out_assign(struct sk_out *);
 void sk_out_drop(void);
 
@@ -197,8 +207,6 @@ struct thread_data {
        void *iolog_buf;
        FILE *iolog_f;
 
-       char *sysfs_root;
-
        unsigned long rand_seeds[FIO_RAND_NR_OFFS];
 
        struct frand_state bsrange_state;
@@ -225,6 +233,7 @@ struct thread_data {
         * to any of the available IO engines.
         */
        struct ioengine_ops *io_ops;
+       int io_ops_init;
 
        /*
         * IO engine private data and dlhandle.
@@ -269,13 +278,13 @@ struct thread_data {
         * Rate state
         */
        uint64_t rate_bps[DDIR_RWDIR_CNT];
-       unsigned long rate_next_io_time[DDIR_RWDIR_CNT];
+       uint64_t rate_next_io_time[DDIR_RWDIR_CNT];
        unsigned long rate_bytes[DDIR_RWDIR_CNT];
        unsigned long rate_blocks[DDIR_RWDIR_CNT];
-       unsigned long rate_io_issue_bytes[DDIR_RWDIR_CNT];
+       unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT];
        struct timeval lastrate[DDIR_RWDIR_CNT];
-       int64_t last_usec;
-       struct frand_state poisson_state;
+       int64_t last_usec[DDIR_RWDIR_CNT];
+       struct frand_state poisson_state[DDIR_RWDIR_CNT];
 
        /*
         * Enforced rate submission/completion workqueue
@@ -395,6 +404,8 @@ struct thread_data {
 
        void *pinned_mem;
 
+       struct steadystate_data ss;
+
        char verror[FIO_VERROR_SIZE];
 };
 
@@ -476,13 +487,13 @@ static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
        assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
 }
 
-#define REAL_MAX_JOBS          2048
+#define REAL_MAX_JOBS          4096
 
 static inline int should_fsync(struct thread_data *td)
 {
        if (td->last_was_sync)
                return 0;
-       if (td_write(td) || td_rw(td) || td->o.override_sync)
+       if (td_write(td) || td->o.override_sync)
                return 1;
 
        return 0;
@@ -508,7 +519,6 @@ extern int fio_show_option_help(const char *);
 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
 extern void fio_options_dup_and_init(struct option *);
 extern void fio_options_mem_dupe(struct thread_data *);
-extern void options_mem_dupe(void *data, struct fio_option *options);
 extern void td_fill_rand_seeds(struct thread_data *);
 extern void td_fill_verify_state_seed(struct thread_data *);
 extern void add_job_opts(const char **, int);
@@ -525,6 +535,13 @@ extern uintptr_t page_size;
 extern int initialize_fio(char *envp[]);
 extern void deinitialize_fio(void);
 
+#define N2S_NONE       0
+#define N2S_BITPERSEC  1       /* match unit_base for bit rates */
+#define N2S_PERSEC     2
+#define N2S_BIT                3
+#define N2S_BYTE       4
+#define N2S_BYTEPERSEC         8       /* match unit_base for byte rates */
+
 #define FIO_GETOPT_JOB         0x89000000
 #define FIO_GETOPT_IOENGINE    0x98000000
 #define FIO_NR_OPTIONS         (FIO_MAX_OPTS + 128)
@@ -588,7 +605,7 @@ extern const char *runstate_to_name(int runstate);
  * Allow 60 seconds for a job to quit on its own, otherwise reap with
  * a vengeance.
  */
-#define FIO_REAP_TIMEOUT       60
+#define FIO_REAP_TIMEOUT       300
 
 #define TERMINATE_ALL          (-1U)
 extern void fio_terminate_threads(unsigned int);
@@ -603,6 +620,11 @@ extern int __must_check allocate_io_mem(struct thread_data *);
 extern void free_io_mem(struct thread_data *);
 extern void free_threads_shm(void);
 
+#ifdef FIO_INTERNAL
+#define PTR_ALIGN(ptr, mask)   \
+       (char *) (((uintptr_t) (ptr) + (mask)) & ~(mask))
+#endif
+
 /*
  * Reset stats after ramp time completes
  */
@@ -627,6 +649,9 @@ extern void lat_target_check(struct thread_data *);
 extern void lat_target_init(struct thread_data *);
 extern void lat_target_reset(struct thread_data *);
 
+/*
+ * Iterates all threads/processes within all the defined jobs
+ */
 #define for_each_td(td, i)     \
        for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
 #define for_each_file(td, f, i)        \