workqueue/rate-submit: update comments

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index 2dc445ee16e9a961c52e2db9b40d55fd2e48c805..6f85266c2f695432cb405a6bc260f974a2ced2ea 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -95,12 +95,16 @@ enum {
        FIO_RAND_SEQ_RAND_TRIM_OFF,
        FIO_RAND_START_DELAY,
        FIO_DEDUPE_OFF,
+       FIO_RAND_POISSON_OFF,
        FIO_RAND_NR_OFFS,
 };
 
 enum {
        IO_MODE_INLINE = 0,
-       IO_MODE_OFFLOAD,
+       IO_MODE_OFFLOAD = 1,
+
+       RATE_PROCESS_LINEAR = 0,
+       RATE_PROCESS_POISSON = 1,
 };
 
 /*
@@ -125,7 +129,7 @@ struct thread_data {
        struct io_log *bw_log;
        struct io_log *iops_log;
 
-       struct tp_data *tp_data;
+       struct workqueue log_compress_wq;
 
        struct thread_data *parent;
 
@@ -243,6 +247,8 @@ struct thread_data {
        unsigned long rate_blocks[DDIR_RWDIR_CNT];
        unsigned long rate_io_issue_bytes[DDIR_RWDIR_CNT];
        struct timeval lastrate[DDIR_RWDIR_CNT];
+       int64_t last_usec;
+       struct frand_state poisson_state;
 
        /*
         * Enforced rate submission/completion workqueue
@@ -464,7 +470,7 @@ extern int parse_jobs_ini(char *, int, int, int);
 extern int parse_cmd_line(int, char **, int);
 extern int fio_backend(void);
 extern void reset_fio_state(void);
-extern void clear_io_state(struct thread_data *);
+extern void clear_io_state(struct thread_data *, int);
 extern int fio_options_parse(struct thread_data *, char **, int, int);
 extern void fio_keywords_init(void);
 extern void fio_keywords_exit(void);
@@ -533,8 +539,8 @@ extern void td_restore_runstate(struct thread_data *, int);
  */
 #define FIO_REAP_TIMEOUT       60
 
-#define TERMINATE_ALL          (-1)
-extern void fio_terminate_threads(int);
+#define TERMINATE_ALL          (-1U)
+extern void fio_terminate_threads(unsigned int);
 extern void fio_mark_td_terminate(struct thread_data *);
 
 /*
@@ -559,6 +565,10 @@ extern int is_blktrace(const char *, int *);
 extern int load_blktrace(struct thread_data *, const char *, int);
 #endif
 
+extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
+                  enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
+                  struct timeval *comp_time);
+
 /*
  * Latency target helpers
  */
@@ -677,11 +687,13 @@ enum {
        __FIO_OUTPUT_TERSE      = 0,
        __FIO_OUTPUT_JSON       = 1,
        __FIO_OUTPUT_NORMAL     = 2,
-       FIO_OUTPUT_NR           = 3,
+        __FIO_OUTPUT_JSON_PLUS  = 3,
+       FIO_OUTPUT_NR           = 4,
 
        FIO_OUTPUT_TERSE        = 1U << __FIO_OUTPUT_TERSE,
        FIO_OUTPUT_JSON         = 1U << __FIO_OUTPUT_JSON,
        FIO_OUTPUT_NORMAL       = 1U << __FIO_OUTPUT_NORMAL,
+       FIO_OUTPUT_JSON_PLUS    = 1U << __FIO_OUTPUT_JSON_PLUS,
 };
 
 enum {