[PATCH] Don't create files for engines that don't need them

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index f0b4e6a1d72630c64f4768fe99da6b64527ef730..e42d67bb137d721b92936e1249176c5ceabfee15 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -25,11 +25,12 @@ enum fio_ddir {
 };
 
 struct io_stat {
-       unsigned long val;
-       unsigned long val_sq;
        unsigned long max_val;
        unsigned long min_val;
        unsigned long samples;
+
+       double mean;
+       double S;
 };
 
 struct io_sample {
@@ -74,6 +75,9 @@ struct io_u {
        unsigned int buflen;
        unsigned long long offset;
 
+       void *xfer_buf;
+       unsigned int xfer_buflen;
+
        unsigned int resid;
        unsigned int error;
 
@@ -123,7 +127,9 @@ struct group_run_stats {
 enum fio_memtype {
        MEM_MALLOC = 0, /* ordinary malloc */
        MEM_SHM,        /* use shared memory segments */
+       MEM_SHMHUGE,    /* use shared memory segments with huge pages */
        MEM_MMAP,       /* use anonynomous mmap */
+       MEM_MMAPHUGE,   /* memory mapped huge file */
 };
 
 /*
@@ -140,6 +146,8 @@ enum fio_ioengine_flags {
        FIO_CPUIO       = 1 << 1,
        FIO_MMAPIO      = 1 << 2,
        FIO_RAWIO       = 1 << 3,
+       FIO_NETIO       = 1 << 4,
+       FIO_NULLIO      = 1 << 5,
 };
 
 struct fio_file {
@@ -164,10 +172,16 @@ struct fio_file {
        unsigned int unlink;
 };
 
+/*
+ * How many depth levels to log
+ */
+#define FIO_IO_U_MAP_NR        8
+
 /*
  * This describes a single thread/process executing a fio job.
  */
 struct thread_data {
+       char *description;
        char *name;
        char *directory;
        char *filename;
@@ -212,8 +226,10 @@ struct thread_data {
        unsigned int bs[2];
        unsigned int min_bs[2];
        unsigned int max_bs[2];
+       unsigned int hugepage_size;
        unsigned int rw_min_bs;
        unsigned int thinktime;
+       unsigned int thinktime_blocks;
        unsigned int fsync_blocks;
        unsigned int start_delay;
        unsigned long timeout;
@@ -223,6 +239,8 @@ struct thread_data {
        unsigned long long zone_size;
        unsigned long long zone_skip;
        enum fio_memtype mem_type;
+       char *mmapfile;
+       int mmapfd;
        unsigned int stonewall;
        unsigned int numjobs;
        unsigned int iodepth;
@@ -257,6 +275,8 @@ struct thread_data {
         * Current IO depth and list of free and busy io_u's.
         */
        unsigned int cur_depth;
+       unsigned int io_u_map[FIO_IO_U_MAP_NR];
+       unsigned long total_io_u;
        struct list_head io_u_freelist;
        struct list_head io_u_busylist;
 
@@ -450,7 +470,11 @@ extern void update_io_ticks(void);
 extern void disk_util_timer_arm(void);
 extern void setup_log(struct io_log **);
 extern void finish_log(struct thread_data *, struct io_log *, const char *);
+extern void __finish_log(struct io_log *, const char *);
 extern int setup_rate(struct thread_data *);
+extern struct io_log *agg_io_log[2];
+extern int write_bw_log;
+extern void add_agg_sample(unsigned long, enum fio_ddir);
 
 /*
  * Time functions