Add support for non-uniformly random file service type

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index adf879f3461218e4300a38974e90cbd994741280..8b6a27220db7e3e1ea9323a6f5dd872ef3d946af 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -32,7 +32,7 @@
 #include "profile.h"
 #include "fio_time.h"
 #include "gettime.h"
-#include "lib/getopt.h"
+#include "oslib/getopt.h"
 #include "lib/rand.h"
 #include "lib/rbtree.h"
 #include "client.h"
@@ -95,12 +95,30 @@ enum {
        FIO_RAND_SEQ_RAND_TRIM_OFF,
        FIO_RAND_START_DELAY,
        FIO_DEDUPE_OFF,
+       FIO_RAND_POISSON_OFF,
+       FIO_RAND_ZONE_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,
+};
+
+/*
+ * 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);
+
+struct zone_split_index {
+       uint8_t size_perc;
+       uint8_t size_perc_prev;
 };
 
 /*
@@ -108,6 +126,7 @@ enum {
  */
 struct thread_data {
        struct thread_options o;
+       struct flist_head opt_list;
        unsigned long flags;
        void *eo;
        char verror[FIO_VERROR_SIZE];
@@ -125,7 +144,7 @@ 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;
 
@@ -135,13 +154,6 @@ struct thread_data {
        uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
        struct timeval iops_sample_time;
 
-       /*
-        * Tracks the last iodepth number of completed writes, if data
-        * verification is enabled
-        */
-       uint64_t *last_write_comp;
-       unsigned int last_write_idx;
-
        volatile int update_rusage;
        struct fio_mutex *rusage_sem;
        struct rusage ru_start;
@@ -158,6 +170,15 @@ struct thread_data {
                unsigned int next_file;
                struct frand_state next_file_state;
        };
+       union {
+               struct zipf_state next_file_zipf;
+               struct gauss_state next_file_gauss;
+       };
+       union {
+               double zipf_theta;
+               double pareto_h;
+               double gauss_dev;
+       };
        int error;
        int sig;
        int done;
@@ -187,6 +208,9 @@ struct thread_data {
        struct frand_state buf_state;
        struct frand_state buf_state_prev;
        struct frand_state dedupe_state;
+       struct frand_state zone_state;
+
+       struct zone_split_index **zone_state_index;
 
        unsigned int verify_batch;
        unsigned int trim_batch;
@@ -243,6 +267,8 @@ 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
@@ -428,8 +454,6 @@ extern int nr_clients;
 extern int log_syslog;
 extern int status_interval;
 extern const char fio_version_string[];
-extern int helper_do_stat;
-extern pthread_cond_t helper_cond;
 extern char *trigger_file;
 extern char *trigger_cmd;
 extern char *trigger_remote_cmd;
@@ -462,10 +486,10 @@ extern int __must_check fio_init_options(void);
 extern int __must_check parse_options(int, char **);
 extern int parse_jobs_ini(char *, int, int, int);
 extern int parse_cmd_line(int, char **, int);
-extern int fio_backend(void);
+extern int fio_backend(struct sk_out *);
 extern void reset_fio_state(void);
-extern void clear_io_state(struct thread_data *);
-extern int fio_options_parse(struct thread_data *, char **, int, int);
+extern void clear_io_state(struct thread_data *, int);
+extern int fio_options_parse(struct thread_data *, char **, int);
 extern void fio_keywords_init(void);
 extern void fio_keywords_exit(void);
 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
@@ -484,6 +508,7 @@ extern int parse_dryrun(void);
 extern int fio_running_or_pending_io_threads(void);
 extern int fio_set_fd_nonblocking(int, const char *);
 extern void sig_show_status(int sig);
+extern struct thread_data *get_global_options(void);
 
 extern uintptr_t page_mask;
 extern uintptr_t page_size;
@@ -526,6 +551,7 @@ enum {
 extern void td_set_runstate(struct thread_data *, int);
 extern int td_bump_runstate(struct thread_data *, int);
 extern void td_restore_runstate(struct thread_data *, int);
+extern const char *runstate_to_name(int runstate);
 
 /*
  * Allow 60 seconds for a job to quit on its own, otherwise reap with
@@ -533,8 +559,8 @@ 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 +585,10 @@ 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
  */
@@ -674,9 +704,16 @@ extern const char *fio_get_os_string(int);
 #endif
 
 enum {
-       FIO_OUTPUT_TERSE        = 0,
-       FIO_OUTPUT_JSON,
-       FIO_OUTPUT_NORMAL,
+       __FIO_OUTPUT_TERSE      = 0,
+       __FIO_OUTPUT_JSON       = 1,
+       __FIO_OUTPUT_NORMAL     = 2,
+        __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 {
@@ -684,6 +721,7 @@ enum {
        FIO_RAND_DIST_ZIPF,
        FIO_RAND_DIST_PARETO,
        FIO_RAND_DIST_GAUSS,
+       FIO_RAND_DIST_ZONED,
 };
 
 #define FIO_DEF_ZIPF           1.1