iolog: Added option read_iolog_chunked. Used to avoid reading large iologs at once.
[fio.git] / options.c
index 7431ed8cf188e360760fb0e8ac21bbaee6ec399e..393669ab20aa9f250a482ada4113fc50259de11f 100644 (file)
--- a/options.c
+++ b/options.c
@@ -4,16 +4,12 @@
 #include <ctype.h>
 #include <string.h>
 #include <assert.h>
-#include <libgen.h>
-#include <fcntl.h>
-#include <sys/types.h>
 #include <sys/stat.h>
 #include <netinet/in.h>
 
 #include "fio.h"
 #include "verify.h"
 #include "parse.h"
-#include "lib/fls.h"
 #include "lib/pattern.h"
 #include "options.h"
 #include "optgroup.h"
@@ -56,14 +52,15 @@ static int bs_cmp(const void *p1, const void *p2)
 
 struct split {
        unsigned int nr;
-       unsigned int val1[100];
-       unsigned int val2[100];
+       unsigned int val1[ZONESPLIT_MAX];
+       unsigned long long val2[ZONESPLIT_MAX];
 };
 
 static int split_parse_ddir(struct thread_options *o, struct split *split,
-                           enum fio_ddir ddir, char *str)
+                           char *str, bool absolute, unsigned int max_splits)
 {
-       unsigned int i, perc;
+       unsigned long long perc;
+       unsigned int i;
        long long val;
        char *fname;
 
@@ -80,31 +77,46 @@ static int split_parse_ddir(struct thread_options *o, struct split *split,
                if (perc_str) {
                        *perc_str = '\0';
                        perc_str++;
-                       perc = atoi(perc_str);
-                       if (perc > 100)
-                               perc = 100;
-                       else if (!perc)
+                       if (absolute) {
+                               if (str_to_decimal(perc_str, &val, 1, o, 0, 0)) {
+                                       log_err("fio: split conversion failed\n");
+                                       return 1;
+                               }
+                               perc = val;
+                       } else {
+                               perc = atoi(perc_str);
+                               if (perc > 100)
+                                       perc = 100;
+                               else if (!perc)
+                                       perc = -1U;
+                       }
+               } else {
+                       if (absolute)
+                               perc = 0;
+                       else
                                perc = -1U;
-               } else
-                       perc = -1U;
+               }
 
                if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
-                       log_err("fio: bssplit conversion failed\n");
+                       log_err("fio: split conversion failed\n");
                        return 1;
                }
 
                split->val1[i] = val;
                split->val2[i] = perc;
                i++;
-               if (i == 100)
+               if (i == max_splits) {
+                       log_err("fio: hit max of %d split entries\n", i);
                        break;
+               }
        }
 
        split->nr = i;
        return 0;
 }
 
-static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
+static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str,
+                       bool data)
 {
        unsigned int i, perc, perc_missing;
        unsigned int max_bs, min_bs;
@@ -112,7 +124,7 @@ static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
 
        memset(&split, 0, sizeof(split));
 
-       if (split_parse_ddir(o, &split, ddir, str))
+       if (split_parse_ddir(o, &split, str, data, BSSPLIT_MAX))
                return 1;
        if (!split.nr)
                return 0;
@@ -176,9 +188,10 @@ static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
        return 0;
 }
 
-typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
+typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *, bool);
 
-static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
+static int str_split_parse(struct thread_data *td, char *str,
+                          split_parse_fn *fn, bool data)
 {
        char *odir, *ddir;
        int ret = 0;
@@ -187,37 +200,37 @@ static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn
        if (odir) {
                ddir = strchr(odir + 1, ',');
                if (ddir) {
-                       ret = fn(&td->o, DDIR_TRIM, ddir + 1);
+                       ret = fn(&td->o, DDIR_TRIM, ddir + 1, data);
                        if (!ret)
                                *ddir = '\0';
                } else {
                        char *op;
 
                        op = strdup(odir + 1);
-                       ret = fn(&td->o, DDIR_TRIM, op);
+                       ret = fn(&td->o, DDIR_TRIM, op, data);
 
                        free(op);
                }
                if (!ret)
-                       ret = fn(&td->o, DDIR_WRITE, odir + 1);
+                       ret = fn(&td->o, DDIR_WRITE, odir + 1, data);
                if (!ret) {
                        *odir = '\0';
-                       ret = fn(&td->o, DDIR_READ, str);
+                       ret = fn(&td->o, DDIR_READ, str, data);
                }
        } else {
                char *op;
 
                op = strdup(str);
-               ret = fn(&td->o, DDIR_WRITE, op);
+               ret = fn(&td->o, DDIR_WRITE, op, data);
                free(op);
 
                if (!ret) {
                        op = strdup(str);
-                       ret = fn(&td->o, DDIR_TRIM, op);
+                       ret = fn(&td->o, DDIR_TRIM, op, data);
                        free(op);
                }
                if (!ret)
-                       ret = fn(&td->o, DDIR_READ, str);
+                       ret = fn(&td->o, DDIR_READ, str, data);
        }
 
        return ret;
@@ -234,7 +247,7 @@ static int str_bssplit_cb(void *data, const char *input)
        strip_blank_front(&str);
        strip_blank_end(str);
 
-       ret = str_split_parse(td, str, bssplit_ddir);
+       ret = str_split_parse(td, str, bssplit_ddir, false);
 
        if (parse_dryrun()) {
                int i;
@@ -328,6 +341,43 @@ static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
 
 }
 
+static int str_replay_skip_cb(void *data, const char *input)
+{
+       struct thread_data *td = cb_data_to_td(data);
+       char *str, *p, *n;
+       int ret = 0;
+
+       if (parse_dryrun())
+               return 0;
+
+       p = str = strdup(input);
+
+       strip_blank_front(&str);
+       strip_blank_end(str);
+
+       while (p) {
+               n = strchr(p, ',');
+               if (n)
+                       *n++ = '\0';
+               if (!strcmp(p, "read"))
+                       td->o.replay_skip |= 1u << DDIR_READ;
+               else if (!strcmp(p, "write"))
+                       td->o.replay_skip |= 1u << DDIR_WRITE;
+               else if (!strcmp(p, "trim"))
+                       td->o.replay_skip |= 1u << DDIR_TRIM;
+               else if (!strcmp(p, "sync"))
+                       td->o.replay_skip |= 1u << DDIR_SYNC;
+               else {
+                       log_err("Unknown skip type: %s\n", p);
+                       ret = 1;
+                       break;
+               }
+               p = n;
+       }
+       free(str);
+       return ret;
+}
+
 static int str_ignore_error_cb(void *data, const char *input)
 {
        struct thread_data *td = cb_data_to_td(data);
@@ -823,23 +873,15 @@ static int str_sfr_cb(void *data, const char *str)
 }
 #endif
 
-static int zone_cmp(const void *p1, const void *p2)
-{
-       const struct zone_split *zsp1 = p1;
-       const struct zone_split *zsp2 = p2;
-
-       return (int) zsp2->access_perc - (int) zsp1->access_perc;
-}
-
 static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
-                          char *str)
+                          char *str, bool absolute)
 {
        unsigned int i, perc, perc_missing, sperc, sperc_missing;
        struct split split;
 
        memset(&split, 0, sizeof(split));
 
-       if (split_parse_ddir(o, &split, ddir, str))
+       if (split_parse_ddir(o, &split, str, absolute, ZONESPLIT_MAX))
                return 1;
        if (!split.nr)
                return 0;
@@ -848,7 +890,10 @@ static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
        o->zone_split_nr[ddir] = split.nr;
        for (i = 0; i < split.nr; i++) {
                o->zone_split[ddir][i].access_perc = split.val1[i];
-               o->zone_split[ddir][i].size_perc = split.val2[i];
+               if (absolute)
+                       o->zone_split[ddir][i].size = split.val2[i];
+               else
+                       o->zone_split[ddir][i].size_perc = split.val2[i];
        }
 
        /*
@@ -864,11 +909,12 @@ static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
                else
                        perc += zsp->access_perc;
 
-               if (zsp->size_perc == (uint8_t) -1U)
-                       sperc_missing++;
-               else
-                       sperc += zsp->size_perc;
-
+               if (!absolute) {
+                       if (zsp->size_perc == (uint8_t) -1U)
+                               sperc_missing++;
+                       else
+                               sperc += zsp->size_perc;
+               }
        }
 
        if (perc > 100 || sperc > 100) {
@@ -910,20 +956,17 @@ static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
                }
        }
 
-       /*
-        * now sort based on percentages, for ease of lookup
-        */
-       qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
        return 0;
 }
 
 static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
 {
        unsigned int i, j, sprev, aprev;
+       uint64_t sprev_sz;
 
        td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
 
-       sprev = aprev = 0;
+       sprev_sz = sprev = aprev = 0;
        for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
                struct zone_split *zsp = &td->o.zone_split[ddir][i];
 
@@ -932,10 +975,14 @@ static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
 
                        zsi->size_perc = sprev + zsp->size_perc;
                        zsi->size_perc_prev = sprev;
+
+                       zsi->size = sprev_sz + zsp->size;
+                       zsi->size_prev = sprev_sz;
                }
 
                aprev += zsp->access_perc;
                sprev += zsp->size_perc;
+               sprev_sz += zsp->size;
        }
 }
 
@@ -954,8 +1001,10 @@ static void td_zone_gen_index(struct thread_data *td)
                __td_zone_gen_index(td, i);
 }
 
-static int parse_zoned_distribution(struct thread_data *td, const char *input)
+static int parse_zoned_distribution(struct thread_data *td, const char *input,
+                                   bool absolute)
 {
+       const char *pre = absolute ? "zoned_abs:" : "zoned:";
        char *str, *p;
        int i, ret = 0;
 
@@ -965,14 +1014,14 @@ static int parse_zoned_distribution(struct thread_data *td, const char *input)
        strip_blank_end(str);
 
        /* We expect it to start like that, bail if not */
-       if (strncmp(str, "zoned:", 6)) {
+       if (strncmp(str, pre, strlen(pre))) {
                log_err("fio: mismatch in zoned input <%s>\n", str);
                free(p);
                return 1;
        }
-       str += strlen("zoned:");
+       str += strlen(pre);
 
-       ret = str_split_parse(td, str, zone_split_ddir);
+       ret = str_split_parse(td, str, zone_split_ddir, absolute);
 
        free(p);
 
@@ -984,14 +1033,19 @@ static int parse_zoned_distribution(struct thread_data *td, const char *input)
                for (j = 0; j < td->o.zone_split_nr[i]; j++) {
                        struct zone_split *zsp = &td->o.zone_split[i][j];
 
-                       dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
-                                                               zsp->size_perc);
+                       if (absolute) {
+                               dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
+                                               zsp->access_perc,
+                                               (unsigned long long) zsp->size);
+                       } else {
+                               dprint(FD_PARSE, "\t%d: %u/%u\n", j,
+                                               zsp->access_perc,
+                                               zsp->size_perc);
+                       }
                }
        }
 
        if (parse_dryrun()) {
-               int i;
-
                for (i = 0; i < DDIR_RWDIR_CNT; i++) {
                        free(td->o.zone_split[i]);
                        td->o.zone_split[i] = NULL;
@@ -1024,7 +1078,9 @@ static int str_random_distribution_cb(void *data, const char *str)
        else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
                val = 0.0;
        else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
-               return parse_zoned_distribution(td, str);
+               return parse_zoned_distribution(td, str, false);
+       else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
+               return parse_zoned_distribution(td, str, true);
        else
                return 0;
 
@@ -1104,9 +1160,9 @@ static int str_steadystate_cb(void *data, const char *str)
                if (parse_dryrun())
                        return 0;
 
-               td->o.ss_state |= __FIO_SS_PCT;
+               td->o.ss_state |= FIO_SS_PCT;
                td->o.ss_limit.u.f = val;
-       } else if (td->o.ss_state & __FIO_SS_IOPS) {
+       } else if (td->o.ss_state & FIO_SS_IOPS) {
                if (!str_to_float(nr, &val, 0)) {
                        log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
                        free(nr);
@@ -1410,6 +1466,8 @@ static int str_size_cb(void *data, unsigned long long *__val)
        if (parse_is_percent(v)) {
                td->o.size = 0;
                td->o.size_percent = -1ULL - v;
+               dprint(FD_PARSE, "SET size_percent %d\n",
+                                       td->o.size_percent);
        } else
                td->o.size = v;
 
@@ -1460,20 +1518,53 @@ static int str_write_hist_log_cb(void *data, const char *str)
        return 0;
 }
 
-static int rw_verify(struct fio_option *o, void *data)
+/*
+ * str is supposed to be a substring of the strdup'd original string,
+ * and is valid only if it's a regular file path.
+ * This function keeps the pointer to the path as needed later.
+ *
+ * "external:/path/to/so\0" <- original pointer updated with strdup'd
+ * "external\0"             <- above pointer after parsed, i.e. ->ioengine
+ *          "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
+ */
+static int str_ioengine_external_cb(void *data, const char *str)
 {
        struct thread_data *td = cb_data_to_td(data);
+       struct stat sb;
+       char *p;
+
+       if (!str) {
+               log_err("fio: null external ioengine path\n");
+               return 1;
+       }
 
-       if (read_only && td_write(td)) {
-               log_err("fio: job <%s> has write bit set, but fio is in"
-                       " read-only mode\n", td->o.name);
+       p = (char *)str; /* str is mutable */
+       strip_blank_front(&p);
+       strip_blank_end(p);
+
+       if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
+               log_err("fio: invalid external ioengine path \"%s\"\n", p);
                return 1;
        }
 
+       td->o.ioengine_so_path = p;
        return 0;
 }
 
-static int gtod_cpu_verify(struct fio_option *o, void *data)
+static int rw_verify(const struct fio_option *o, void *data)
+{
+       struct thread_data *td = cb_data_to_td(data);
+
+       if (read_only && (td_write(td) || td_trim(td))) {
+               log_err("fio: job <%s> has write or trim bit set, but"
+                       " fio is in read-only mode\n", td->o.name);
+               return 1;
+       }
+
+       return 0;
+}
+
+static int gtod_cpu_verify(const struct fio_option *o, void *data)
 {
 #ifndef FIO_HAVE_CPU_AFFINITY
        struct thread_data *td = cb_data_to_td(data);
@@ -1759,11 +1850,6 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .help = "GUASI IO engine",
                          },
 #endif
-#ifdef FIO_HAVE_BINJECT
-                         { .ival = "binject",
-                           .help = "binject direct inject block engine",
-                         },
-#endif
 #ifdef CONFIG_RDMA
                          { .ival = "rdma",
                            .help = "RDMA IO engine",
@@ -1799,7 +1885,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 #endif
 #ifdef CONFIG_PMEMBLK
                          { .ival = "pmemblk",
-                           .help = "NVML libpmemblk based IO engine",
+                           .help = "PMDK libpmemblk based IO engine",
                          },
 
 #endif
@@ -1808,9 +1894,19 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .help = "DAX Device based IO engine",
                          },
 #endif
+                         {
+                           .ival = "filecreate",
+                           .help = "File creation engine",
+                         },
                          { .ival = "external",
                            .help = "Load external engine (append name)",
+                           .cb = str_ioengine_external_cb,
+                         },
+#ifdef CONFIG_LIBPMEM
+                         { .ival = "libpmem",
+                           .help = "PMDK libpmem based IO engine",
                          },
+#endif
                },
        },
        {
@@ -1879,6 +1975,17 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_IO_BASIC,
        },
+       {
+               .name   = "serialize_overlap",
+               .lname  = "Serialize overlap",
+               .off1   = offsetof(struct thread_options, serialize_overlap),
+               .type   = FIO_OPT_BOOL,
+               .help   = "Wait for in-flight IOs that collide to complete",
+               .parent = "iodepth",
+               .def    = "0",
+               .category = FIO_OPT_C_IO,
+               .group  = FIO_OPT_G_IO_BASIC,
+       },
        {
                .name   = "io_submit_mode",
                .lname  = "IO submit mode",
@@ -1967,6 +2074,17 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_INVALID,
        },
+       {
+               .name   = "offset_align",
+               .lname  = "IO offset alignment",
+               .type   = FIO_OPT_INT,
+               .off1   = offsetof(struct thread_options, start_offset_align),
+               .help   = "Start IO from this offset alignment",
+               .def    = "0",
+               .interval = 512,
+               .category = FIO_OPT_C_IO,
+               .group  = FIO_OPT_G_INVALID,
+       },
        {
                .name   = "offset_increment",
                .lname  = "IO offset increment",
@@ -2186,7 +2304,10 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .oval = FIO_RAND_DIST_ZONED,
                            .help = "Zoned random distribution",
                          },
-
+                         { .ival = "zoned_abs",
+                           .oval = FIO_RAND_DIST_ZONED_ABS,
+                           .help = "Zoned absolute random distribution",
+                         },
                },
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_RANDOM,
@@ -2267,9 +2388,13 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .oval = FIO_FSERVICE_PARETO,
                            .help = "Pareto randomized",
                          },
+                         { .ival = "normal",
+                           .oval = FIO_FSERVICE_GAUSS,
+                           .help = "Normal (Gaussian) randomized",
+                         },
                          { .ival = "gauss",
                            .oval = FIO_FSERVICE_GAUSS,
-                           .help = "Normal (Gaussian) distribution",
+                           .help = "Alias for normal",
                          },
                          { .ival = "roundrobin",
                            .oval = FIO_FSERVICE_RR,
@@ -2283,14 +2408,14 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .parent = "nrfiles",
                .hide   = 1,
        },
-#ifdef CONFIG_POSIX_FALLOCATE
+#ifdef FIO_HAVE_ANY_FALLOCATE
        {
                .name   = "fallocate",
                .lname  = "Fallocate",
                .type   = FIO_OPT_STR,
                .off1   = offsetof(struct thread_options, fallocate_mode),
                .help   = "Whether pre-allocation is performed when laying out files",
-               .def    = "posix",
+               .def    = "native",
                .category = FIO_OPT_C_FILE,
                .group  = FIO_OPT_G_INVALID,
                .posval = {
@@ -2298,10 +2423,16 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .oval = FIO_FALLOCATE_NONE,
                            .help = "Do not pre-allocate space",
                          },
+                         { .ival = "native",
+                           .oval = FIO_FALLOCATE_NATIVE,
+                           .help = "Use native pre-allocation if possible",
+                         },
+#ifdef CONFIG_POSIX_FALLOCATE
                          { .ival = "posix",
                            .oval = FIO_FALLOCATE_POSIX,
                            .help = "Use posix_fallocate()",
                          },
+#endif
 #ifdef CONFIG_LINUX_FALLOCATE
                          { .ival = "keep",
                            .oval = FIO_FALLOCATE_KEEP_SIZE,
@@ -2313,20 +2444,22 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .oval = FIO_FALLOCATE_NONE,
                            .help = "Alias for 'none'",
                          },
+#ifdef CONFIG_POSIX_FALLOCATE
                          { .ival = "1",
                            .oval = FIO_FALLOCATE_POSIX,
                            .help = "Alias for 'posix'",
                          },
+#endif
                },
        },
-#else  /* CONFIG_POSIX_FALLOCATE */
+#else  /* FIO_HAVE_ANY_FALLOCATE */
        {
                .name   = "fallocate",
                .lname  = "Fallocate",
                .type   = FIO_OPT_UNSUPPORTED,
                .help   = "Your platform does not support fallocate",
        },
-#endif /* CONFIG_POSIX_FALLOCATE */
+#endif /* FIO_HAVE_ANY_FALLOCATE */
        {
                .name   = "fadvise_hint",
                .lname  = "Fadvise hint",
@@ -2335,7 +2468,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .posval = {
                          { .ival = "0",
                            .oval = F_ADV_NONE,
-                           .help = "Don't issue fadvise",
+                           .help = "Don't issue fadvise/madvise",
                          },
                          { .ival = "1",
                            .oval = F_ADV_TYPE,
@@ -2747,25 +2880,14 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
        {
                .name   = "verifysort",
                .lname  = "Verify sort",
-               .type   = FIO_OPT_BOOL,
-               .off1   = offsetof(struct thread_options, verifysort),
-               .help   = "Sort written verify blocks for read back",
-               .def    = "1",
-               .parent = "verify",
-               .hide   = 1,
+               .type   = FIO_OPT_SOFT_DEPRECATED,
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_VERIFY,
        },
        {
                .name   = "verifysort_nr",
                .lname  = "Verify Sort Nr",
-               .type   = FIO_OPT_INT,
-               .off1   = offsetof(struct thread_options, verifysort_nr),
-               .help   = "Pre-load and sort verify blocks for a read workload",
-               .minval = 0,
-               .maxval = 131072,
-               .def    = "1024",
-               .parent = "verify",
+               .type   = FIO_OPT_SOFT_DEPRECATED,
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_VERIFY,
        },
@@ -3012,6 +3134,17 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_IOLOG,
        },
+       {
+               .name   = "read_iolog_chunked",
+               .lname  = "Read I/O log in parts",
+               .type   = FIO_OPT_BOOL,
+               .off1   = offsetof(struct thread_options, read_iolog_chunked),
+               .def    = "0",
+               .parent = "read_iolog",
+               .help   = "Parse IO pattern in chunks",
+               .category = FIO_OPT_C_IO,
+               .group  = FIO_OPT_G_IOLOG,
+       },
        {
                .name   = "replay_no_stall",
                .lname  = "Don't stall on replay",
@@ -3057,6 +3190,30 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .group  = FIO_OPT_G_IOLOG,
                .pow2   = 1,
        },
+       {
+               .name   = "replay_time_scale",
+               .lname  = "Replay Time Scale",
+               .type   = FIO_OPT_INT,
+               .off1   = offsetof(struct thread_options, replay_time_scale),
+               .def    = "100",
+               .minval = 1,
+               .parent = "read_iolog",
+               .hide   = 1,
+               .help   = "Scale time for replay events",
+               .category = FIO_OPT_C_IO,
+               .group  = FIO_OPT_G_IOLOG,
+       },
+       {
+               .name   = "replay_skip",
+               .lname  = "Replay Skip",
+               .type   = FIO_OPT_STR,
+               .cb     = str_replay_skip_cb,
+               .off1   = offsetof(struct thread_options, replay_skip),
+               .parent = "read_iolog",
+               .help   = "Skip certain IO types (read,write,trim,flush)",
+               .category = FIO_OPT_C_IO,
+               .group  = FIO_OPT_G_IOLOG,
+       },
        {
                .name   = "exec_prerun",
                .lname  = "Pre-execute runnable",
@@ -3178,8 +3335,8 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .type   = FIO_OPT_INT,
                .off1   = offsetof(struct thread_options, nice),
                .help   = "Set job CPU nice value",
-               .minval = -19,
-               .maxval = 20,
+               .minval = -20,
+               .maxval = 19,
                .def    = "0",
                .interval = 1,
                .category = FIO_OPT_C_GENERAL,
@@ -3351,10 +3508,20 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_RATE,
        },
+       {
+               .name   = "rate_ignore_thinktime",
+               .lname  = "Rate ignore thinktime",
+               .type   = FIO_OPT_BOOL,
+               .off1   = offsetof(struct thread_options, rate_ign_think),
+               .help   = "Rated IO ignores thinktime settings",
+               .parent = "rate",
+               .category = FIO_OPT_C_IO,
+               .group  = FIO_OPT_G_RATE,
+       },
        {
                .name   = "max_latency",
-               .lname  = "Max Latency",
-               .type   = FIO_OPT_INT,
+               .lname  = "Max Latency (usec)",
+               .type   = FIO_OPT_STR_VAL_TIME,
                .off1   = offsetof(struct thread_options, max_latency),
                .help   = "Maximum tolerated IO latency (usec)",
                .is_time = 1,
@@ -3993,6 +4160,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .parent = "buffer_compress_percentage",
                .hide   = 1,
                .help   = "Size of compressible region in buffer",
+               .def    = "512",
                .interval = 256,
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_IO_BUF,
@@ -4017,6 +4185,18 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .off1   = offsetof(struct thread_options, clat_percentiles),
                .help   = "Enable the reporting of completion latency percentiles",
                .def    = "1",
+               .inverse = "lat_percentiles",
+               .category = FIO_OPT_C_STAT,
+               .group  = FIO_OPT_G_INVALID,
+       },
+       {
+               .name   = "lat_percentiles",
+               .lname  = "IO latency percentiles",
+               .type   = FIO_OPT_BOOL,
+               .off1   = offsetof(struct thread_options, lat_percentiles),
+               .help   = "Enable the reporting of IO latency percentiles",
+               .def    = "0",
+               .inverse = "clat_percentiles",
                .category = FIO_OPT_C_STAT,
                .group  = FIO_OPT_G_INVALID,
        },
@@ -4035,6 +4215,19 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .category = FIO_OPT_C_STAT,
                .group  = FIO_OPT_G_INVALID,
        },
+       {
+               .name   = "significant_figures",
+               .lname  = "Significant figures",
+               .type   = FIO_OPT_INT,
+               .off1   = offsetof(struct thread_options, sig_figs),
+               .maxval = 10,
+               .minval = 1,
+               .help   = "Significant figures for output-format set to normal",
+               .def    = "4",
+               .interval = 1,
+               .category = FIO_OPT_C_STAT,
+               .group  = FIO_OPT_G_INVALID,
+       },
 
 #ifdef FIO_HAVE_DISK_UTIL
        {
@@ -4288,15 +4481,15 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .prio   = 1,
                .posval = {
                          { .ival = "0",
-                           .oval = 0,
+                           .oval = N2S_NONE,
                            .help = "Auto-detect",
                          },
                          { .ival = "8",
-                           .oval = 8,
+                           .oval = N2S_BYTEPERSEC,
                            .help = "Normal (byte based)",
                          },
                          { .ival = "1",
-                           .oval = 1,
+                           .oval = N2S_BITPERSEC,
                            .help = "Bit based",
                          },
                },
@@ -4364,17 +4557,6 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_IO_FLOW,
        },
-       {
-               .name   = "skip_bad",
-               .lname  = "Skip operations against bad blocks",
-               .type   = FIO_OPT_BOOL,
-               .off1   = offsetof(struct thread_options, skip_bad),
-               .help   = "Skip operations against known bad blocks.",
-               .hide   = 1,
-               .def    = "0",
-               .category = FIO_OPT_C_IO,
-               .group  = FIO_OPT_G_MTD,
-       },
        {
                .name   = "steadystate",
                .lname  = "Steady state threshold",
@@ -4619,7 +4801,7 @@ static char *bc_calc(char *str)
  * substitution always occurs, even if VARNAME is empty or the corresponding
  * environment variable undefined.
  */
-static char *option_dup_subs(const char *opt)
+char *fio_option_dup_subs(const char *opt)
 {
        char out[OPT_LEN_MAX+1];
        char in[OPT_LEN_MAX+1];
@@ -4724,7 +4906,7 @@ static char **dup_and_sub_options(char **opts, int num_opts)
        int i;
        char **opts_copy = malloc(num_opts * sizeof(*opts));
        for (i = 0; i < num_opts; i++) {
-               opts_copy[i] = option_dup_subs(opts[i]);
+               opts_copy[i] = fio_option_dup_subs(opts[i]);
                if (!opts_copy[i])
                        continue;
                opts_copy[i] = fio_keyword_replace(opts_copy[i]);
@@ -4775,7 +4957,7 @@ int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
        opts_copy = dup_and_sub_options(opts, num_opts);
 
        for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
-               struct fio_option *o;
+               const struct fio_option *o;
                int newret = parse_option(opts_copy[i], opts[i], fio_options,
                                                &o, &td->o, &td->opt_list);
 
@@ -4801,7 +4983,7 @@ int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
                        opts = opts_copy;
                }
                for (i = 0; i < num_opts; i++) {
-                       struct fio_option *o = NULL;
+                       const struct fio_option *o = NULL;
                        int newret = 1;
 
                        if (!opts_copy[i])
@@ -4832,9 +5014,9 @@ int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
 
        ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
        if (!ret) {
-               struct fio_option *o;
+               const struct fio_option *o;
 
-               o = find_option(fio_options, opt);
+               o = find_option_c(fio_options, opt);
                if (o)
                        fio_option_mark_set(&td->o, o);
        }
@@ -4899,7 +5081,7 @@ unsigned int fio_get_kb_base(void *data)
        return kb_base;
 }
 
-int add_option(struct fio_option *o)
+int add_option(const struct fio_option *o)
 {
        struct fio_option *__o;
        int opt_index = 0;
@@ -4988,8 +5170,7 @@ struct fio_option *fio_option_find(const char *name)
        return find_option(fio_options, name);
 }
 
-static struct fio_option *find_next_opt(struct thread_options *o,
-                                       struct fio_option *from,
+static struct fio_option *find_next_opt(struct fio_option *from,
                                        unsigned int off1)
 {
        struct fio_option *opt;
@@ -5026,7 +5207,7 @@ bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
        struct fio_option *opt, *next;
 
        next = NULL;
-       while ((opt = find_next_opt(o, next, off1)) != NULL) {
+       while ((opt = find_next_opt(next, off1)) != NULL) {
                if (opt_is_set(o, opt))
                        return true;
 
@@ -5036,7 +5217,7 @@ bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
        return false;
 }
 
-void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
+void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
 {
        unsigned int opt_off, index, offset;