Add possibility to make sequential IO "holed"
[fio.git] / options.c
index bdf358204197b7ad1ed40bf6c2a749c2403c229c..6a87e98fda6134f52167667225e69bd5757b296d 100644 (file)
--- a/options.c
+++ b/options.c
@@ -203,11 +203,26 @@ static int str_rw_cb(void *data, const char *str)
        char *nr = get_opt_postfix(str);
 
        td->o.ddir_seq_nr = 1;
-       if (nr) {
+       td->o.ddir_seq_add = 0;
+
+       if (!nr)
+               return 0;
+
+       if (td_random(td))
                td->o.ddir_seq_nr = atoi(nr);
-               free(nr);
+       else {
+               long long val;
+
+               if (str_to_decimal(nr, &val, 1, td)) {
+                       log_err("fio: rw postfix parsing failed\n");
+                       free(nr);
+                       return 1;
+               }
+
+               td->o.ddir_seq_add = val;
        }
 
+       free(nr);
        return 0;
 }
 
@@ -329,7 +344,7 @@ static int str_cpumask_cb(void *data, unsigned long long *val)
                return 1;
        }
 
-       max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
+       max_cpu = cpus_online();
 
        for (i = 0; i < sizeof(int) * 8; i++) {
                if ((1 << i) & *val) {
@@ -366,7 +381,7 @@ static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
        strip_blank_front(&str);
        strip_blank_end(str);
 
-       max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
+       max_cpu = cpus_online();
 
        while ((cpu = strsep(&str, ",")) != NULL) {
                char *str2, *cpu2;
@@ -482,6 +497,7 @@ static int str_sfr_cb(void *data, const char *str)
 
 static int check_dir(struct thread_data *td, char *fname)
 {
+#if 0
        char file[PATH_MAX], *dir;
        int elen = 0;
 
@@ -494,7 +510,6 @@ static int check_dir(struct thread_data *td, char *fname)
        sprintf(file + elen, "%s", fname);
        dir = dirname(file);
 
-#if 0
        {
        struct stat sb;
        /*
@@ -675,6 +690,11 @@ static int str_verify_pattern_cb(void *data, const char *input)
                }
        }
        td->o.verify_pattern_bytes = i;
+       /*
+        * VERIFY_META could already be set
+        */
+       if (td->o.verify == VERIFY_NONE)
+               td->o.verify = VERIFY_PATTERN;
        return 0;
 }
 
@@ -739,6 +759,20 @@ static int str_gtod_cpu_cb(void *data, long long *il)
        return 0;
 }
 
+static int str_size_cb(void *data, unsigned long long *__val)
+{
+       struct thread_data *td = data;
+       unsigned long long v = *__val;
+
+       if (parse_is_percent(v)) {
+               td->o.size = 0;
+               td->o.size_percent = -1ULL - v;
+       } else
+               td->o.size = v;
+
+       return 0;
+}
+
 static int rw_verify(struct fio_option *o, void *data)
 {
        struct thread_data *td = data;
@@ -913,7 +947,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .type   = FIO_OPT_STR_STORE,
                .off1   = td_var_offset(ioengine),
                .help   = "IO engine to use",
-               .def    = "sync",
+               .def    = FIO_PREFERRED_ENGINE,
                .posval = {
                          { .ival = "sync",
                            .help = "Use read/write",
@@ -922,7 +956,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                            .help = "Use pread/pwrite",
                          },
                          { .ival = "vsync",
-                            .help = "Use readv/writev",
+                           .help = "Use readv/writev",
                          },
 #ifdef FIO_HAVE_LIBAIO
                          { .ival = "libaio",
@@ -938,9 +972,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          { .ival = "solarisaio",
                            .help = "Solaris native asynchronous IO",
                          },
+#endif
+#ifdef FIO_HAVE_WINDOWSAIO
+                         { .ival = "windowsaio",
+                           .help = "Windows native asynchronous IO"
+                         },
 #endif
                          { .ival = "mmap",
-                           .help = "Memory mapped IO",
+                           .help = "Memory mapped IO"
                          },
 #ifdef FIO_HAVE_SPLICE
                          { .ival = "splice",
@@ -967,7 +1006,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          },
 #endif
                          { .ival = "cpuio",
-                           .help = "CPU cycler burner engine",
+                           .help = "CPU cycle burner engine",
                          },
 #ifdef FIO_HAVE_GUASI
                          { .ival = "guasi",
@@ -978,6 +1017,11 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                          { .ival = "binject",
                            .help = "binject direct inject block engine",
                          },
+#endif
+#ifdef FIO_HAVE_RDMA
+                         { .ival = "rdma",
+                           .help = "RDMA IO engine",
+                         },
 #endif
                          { .ival = "external",
                            .help = "Load external engine (append name)",
@@ -988,7 +1032,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "iodepth",
                .type   = FIO_OPT_INT,
                .off1   = td_var_offset(iodepth),
-               .help   = "Amount of IO buffers to keep in flight",
+               .help   = "Number of IO buffers to keep in flight",
                .minval = 1,
                .def    = "1",
        },
@@ -1021,12 +1065,12 @@ static struct fio_option options[FIO_MAX_OPTS] = {
        {
                .name   = "size",
                .type   = FIO_OPT_STR_VAL,
-               .off1   = td_var_offset(size),
-               .minval = 1,
+               .cb     = str_size_cb,
                .help   = "Total size of device or files",
        },
        {
                .name   = "fill_device",
+               .alias  = "fill_fs",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(fill_device),
                .help   = "Write until an ENOSPC error occurs",
@@ -1104,6 +1148,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .def    = "1",
                .parent = "rw",
        },
+       {
+               .name   = "use_os_rand",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(use_os_rand),
+               .help   = "Set to use OS random generator",
+               .def    = "0",
+               .parent = "rw",
+       },
        {
                .name   = "norandommap",
                .type   = FIO_OPT_STR_SET,
@@ -1121,6 +1173,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
        },
        {
                .name   = "nrfiles",
+               .alias  = "nr_files",
                .type   = FIO_OPT_INT,
                .off1   = td_var_offset(nr_files),
                .help   = "Split job workload between this number of files",
@@ -1158,12 +1211,37 @@ static struct fio_option options[FIO_MAX_OPTS] = {
 #ifdef FIO_HAVE_FALLOCATE
        {
                .name   = "fallocate",
-               .type   = FIO_OPT_BOOL,
-               .off1   = td_var_offset(fallocate),
-               .help   = "Use fallocate() when laying out files",
-               .def    = "1",
-       },
+               .type   = FIO_OPT_STR,
+               .off1   = td_var_offset(fallocate_mode),
+               .help   = "Whether pre-allocation is performed when laying out files",
+               .def    = "posix",
+               .posval = {
+                         { .ival = "none",
+                           .oval = FIO_FALLOCATE_NONE,
+                           .help = "Do not pre-allocate space",
+                         },
+                         { .ival = "posix",
+                           .oval = FIO_FALLOCATE_POSIX,
+                           .help = "Use posix_fallocate()",
+                         },
+#ifdef FIO_HAVE_LINUX_FALLOCATE
+                         { .ival = "keep",
+                           .oval = FIO_FALLOCATE_KEEP_SIZE,
+                           .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
+                         },
 #endif
+                         /* Compatibility with former boolean values */
+                         { .ival = "0",
+                           .oval = FIO_FALLOCATE_NONE,
+                           .help = "Alias for 'none'",
+                         },
+                         { .ival = "1",
+                           .oval = FIO_FALLOCATE_POSIX,
+                           .help = "Alias for 'posix'",
+                         },
+               },
+       },
+#endif /* FIO_HAVE_FALLOCATE */
        {
                .name   = "fadvise_hint",
                .type   = FIO_OPT_BOOL,
@@ -1185,6 +1263,13 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Issue fdatasync for writes every given number of blocks",
                .def    = "0",
        },
+       {
+               .name   = "write_barrier",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(barrier_blocks),
+               .help   = "Make every Nth write a barrier write",
+               .def    = "0",
+       },
 #ifdef FIO_HAVE_SYNC_FILE_RANGE
        {
                .name   = "sync_file_range",
@@ -1453,6 +1538,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Exit on a single verify failure, don't continue",
                .parent = "verify",
        },
+       {
+               .name   = "verify_dump",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(verify_dump),
+               .def    = "1",
+               .help   = "Dump contents of good and bad blocks on failure",
+               .parent = "verify",
+       },
        {
                .name   = "verify_async",
                .type   = FIO_OPT_INT,
@@ -1682,7 +1775,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .type   = FIO_OPT_INT,
                .off1   = td_var_offset(rate_iops_min[0]),
                .off2   = td_var_offset(rate_iops_min[1]),
-               .help   = "Job must meet this rate or it will be shutdown",
+               .help   = "Job must meet this rate or it will be shut down",
                .parent = "rate_iops",
        },
        {
@@ -1727,7 +1820,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "create_fsync",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(create_fsync),
-               .help   = "Fsync file after creation",
+               .help   = "fsync file after creation",
                .def    = "1",
        },
        {
@@ -1741,7 +1834,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "pre_read",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(pre_read),
-               .help   = "Preread files before starting official testing",
+               .help   = "Pre-read files before starting official testing",
                .def    = "0",
        },
        {
@@ -1801,6 +1894,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
        },
        {
                .name   = "stonewall",
+               .alias  = "wait_for_previous",
                .type   = FIO_OPT_STR_SET,
                .off1   = td_var_offset(stonewall),
                .help   = "Insert a hard barrier between this job and previous",
@@ -1856,6 +1950,24 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .off1   = td_var_offset(refill_buffers),
                .help   = "Refill IO buffers on every IO submit",
        },
+       {
+               .name   = "clat_percentiles",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(clat_percentiles),
+               .help   = "Enable the reporting of completion latency percentiles",
+               .def    = "0",
+       },
+       {
+               .name   = "percentile_list",
+               .type   = FIO_OPT_FLOAT_LIST,
+               .off1   = td_var_offset(percentile_list),
+               .off2   = td_var_offset(overwrite_plist),
+               .help   = "Specify a custom list of percentiles to report",
+               .maxlen = FIO_IO_U_LIST_MAX_LEN,
+               .minfp  = 0.0,
+               .maxfp  = 100.0,
+       },
+
 #ifdef FIO_HAVE_DISK_UTIL
        {
                .name   = "disk_util",
@@ -1892,7 +2004,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "disable_slat",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(disable_slat),
-               .help   = "Disable submissionn latency numbers",
+               .help   = "Disable submission latency numbers",
                .parent = "gtod_reduce",
                .def    = "0",
        },
@@ -1908,14 +2020,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .name   = "gtod_cpu",
                .type   = FIO_OPT_INT,
                .cb     = str_gtod_cpu_cb,
-               .help   = "Setup dedicated gettimeofday() thread on this CPU",
+               .help   = "Set up dedicated gettimeofday() thread on this CPU",
                .verify = gtod_cpu_verify,
        },
        {
                .name   = "continue_on_error",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(continue_on_error),
-               .help   = "Continue on non-fatal errors during I/O",
+               .help   = "Continue on non-fatal errors during IO",
                .def    = "0",
        },
        {
@@ -2031,11 +2143,11 @@ void fio_keywords_init(void)
        sprintf(buf, "%lu", page_size);
        fio_keywords[0].replace = strdup(buf);
 
-       mb_memory = os_phys_mem() / page_size;
+       mb_memory = os_phys_mem() / (1024 * 1024);
        sprintf(buf, "%llu", mb_memory);
        fio_keywords[1].replace = strdup(buf);
 
-       l = sysconf(_SC_NPROCESSORS_ONLN);
+       l = cpus_online();
        sprintf(buf, "%lu", l);
        fio_keywords[2].replace = strdup(buf);
 }