Add poisson rate selection to FD_RATE output

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index 8daf9755f34c3bc2b6e9a11c82d5495608e9200e..7b198b216411b81043e761e4fa444c09dfb5f012 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -95,6 +95,7 @@ enum {
        FIO_RAND_SEQ_RAND_TRIM_OFF,
        FIO_RAND_START_DELAY,
        FIO_DEDUPE_OFF,
+       FIO_RAND_POISSON_OFF,
        FIO_RAND_NR_OFFS,
 };
 
@@ -243,6 +244,8 @@ 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
@@ -677,11 +680,13 @@ 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 {