18 #include "crc/crc32c.h"
21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
23 static char *get_opt_postfix(const char *str)
25 char *p = strstr(str, ":");
31 strip_blank_front(&p);
36 static int converthexchartoint(char a)
56 static int bs_cmp(const void *p1, const void *p2)
58 const struct bssplit *bsp1 = p1;
59 const struct bssplit *bsp2 = p2;
61 return bsp1->perc < bsp2->perc;
64 static int bssplit_ddir(struct thread_data *td, int ddir, char *str)
66 struct bssplit *bssplit;
67 unsigned int i, perc, perc_missing;
68 unsigned int max_bs, min_bs;
72 td->o.bssplit_nr[ddir] = 4;
73 bssplit = malloc(4 * sizeof(struct bssplit));
78 while ((fname = strsep(&str, ":")) != NULL) {
85 * grow struct buffer, if needed
87 if (i == td->o.bssplit_nr[ddir]) {
88 td->o.bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, td->o.bssplit_nr[ddir]
90 * sizeof(struct bssplit));
93 perc_str = strstr(fname, "/");
97 perc = atoi(perc_str);
105 if (str_to_decimal(fname, &val, 1, td)) {
106 log_err("fio: bssplit conversion failed\n");
117 bssplit[i].perc = perc;
121 td->o.bssplit_nr[ddir] = i;
124 * Now check if the percentages add up, and how much is missing
126 perc = perc_missing = 0;
127 for (i = 0; i < td->o.bssplit_nr[ddir]; i++) {
128 struct bssplit *bsp = &bssplit[i];
130 if (bsp->perc == (unsigned char) -1)
137 log_err("fio: bssplit percentages add to more than 100%%\n");
142 * If values didn't have a percentage set, divide the remains between
146 for (i = 0; i < td->o.bssplit_nr[ddir]; i++) {
147 struct bssplit *bsp = &bssplit[i];
149 if (bsp->perc == (unsigned char) -1)
150 bsp->perc = (100 - perc) / perc_missing;
154 td->o.min_bs[ddir] = min_bs;
155 td->o.max_bs[ddir] = max_bs;
158 * now sort based on percentages, for ease of lookup
160 qsort(bssplit, td->o.bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
161 td->o.bssplit[ddir] = bssplit;
166 static int str_bssplit_cb(void *data, const char *input)
168 struct thread_data *td = data;
169 char *str, *p, *odir;
172 p = str = strdup(input);
174 strip_blank_front(&str);
175 strip_blank_end(str);
177 odir = strchr(str, ',');
179 ret = bssplit_ddir(td, DDIR_WRITE, odir + 1);
182 ret = bssplit_ddir(td, DDIR_READ, str);
189 ret = bssplit_ddir(td, DDIR_READ, str);
191 ret = bssplit_ddir(td, DDIR_WRITE, op);
200 static int str_rw_cb(void *data, const char *str)
202 struct thread_data *td = data;
203 char *nr = get_opt_postfix(str);
205 td->o.ddir_seq_nr = 1;
206 td->o.ddir_seq_add = 0;
212 td->o.ddir_seq_nr = atoi(nr);
216 if (str_to_decimal(nr, &val, 1, td)) {
217 log_err("fio: rw postfix parsing failed\n");
222 td->o.ddir_seq_add = val;
229 #ifdef FIO_HAVE_LIBAIO
230 static int str_libaio_cb(void *data, const char *str)
232 struct thread_data *td = data;
234 if (!strcmp(str, "userspace_reap")) {
235 td->o.userspace_libaio_reap = 1;
239 log_err("fio: bad libaio sub-option: %s\n", str);
244 static int str_mem_cb(void *data, const char *mem)
246 struct thread_data *td = data;
248 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
249 td->mmapfile = get_opt_postfix(mem);
250 if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
251 log_err("fio: mmaphuge:/path/to/file\n");
259 static int str_verify_cb(void *data, const char *mem)
261 struct thread_data *td = data;
263 if (td->o.verify != VERIFY_CRC32C_INTEL)
266 if (!crc32c_intel_works()) {
267 log_info("fio: System does not support hw accelerated crc32c. Falling back to sw crc32c.\n");
268 td->o.verify = VERIFY_CRC32C;
274 static int fio_clock_source_cb(void *data, const char *str)
276 struct thread_data *td = data;
278 fio_clock_source = td->o.clocksource;
283 static int str_lockmem_cb(void fio_unused *data, unsigned long long *val)
289 static int str_rwmix_read_cb(void *data, unsigned long long *val)
291 struct thread_data *td = data;
293 td->o.rwmix[DDIR_READ] = *val;
294 td->o.rwmix[DDIR_WRITE] = 100 - *val;
298 static int str_rwmix_write_cb(void *data, unsigned long long *val)
300 struct thread_data *td = data;
302 td->o.rwmix[DDIR_WRITE] = *val;
303 td->o.rwmix[DDIR_READ] = 100 - *val;
307 #ifdef FIO_HAVE_IOPRIO
308 static int str_prioclass_cb(void *data, unsigned long long *val)
310 struct thread_data *td = data;
314 * mask off old class bits, str_prio_cb() may have set a default class
316 mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
319 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
324 static int str_prio_cb(void *data, unsigned long long *val)
326 struct thread_data *td = data;
331 * If no class is set, assume BE
333 if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
334 td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
341 static int str_exitall_cb(void)
343 exitall_on_terminate = 1;
347 #ifdef FIO_HAVE_CPU_AFFINITY
348 static int str_cpumask_cb(void *data, unsigned long long *val)
350 struct thread_data *td = data;
355 ret = fio_cpuset_init(&td->o.cpumask);
357 log_err("fio: cpuset_init failed\n");
358 td_verror(td, ret, "fio_cpuset_init");
362 max_cpu = cpus_online();
364 for (i = 0; i < sizeof(int) * 8; i++) {
365 if ((1 << i) & *val) {
367 log_err("fio: CPU %d too large (max=%ld)\n", i,
371 dprint(FD_PARSE, "set cpu allowed %d\n", i);
372 fio_cpu_set(&td->o.cpumask, i);
376 td->o.cpumask_set = 1;
380 static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
387 ret = fio_cpuset_init(mask);
389 log_err("fio: cpuset_init failed\n");
390 td_verror(td, ret, "fio_cpuset_init");
394 p = str = strdup(input);
396 strip_blank_front(&str);
397 strip_blank_end(str);
399 max_cpu = cpus_online();
401 while ((cpu = strsep(&str, ",")) != NULL) {
410 while ((cpu2 = strsep(&str2, "-")) != NULL) {
420 while (icpu <= icpu2) {
421 if (icpu >= FIO_MAX_CPUS) {
422 log_err("fio: your OS only supports up to"
423 " %d CPUs\n", (int) FIO_MAX_CPUS);
427 if (icpu > max_cpu) {
428 log_err("fio: CPU %d too large (max=%ld)\n",
434 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
435 fio_cpu_set(mask, icpu);
444 td->o.cpumask_set = 1;
448 static int str_cpus_allowed_cb(void *data, const char *input)
450 struct thread_data *td = data;
453 ret = set_cpus_allowed(td, &td->o.cpumask, input);
455 td->o.cpumask_set = 1;
460 static int str_verify_cpus_allowed_cb(void *data, const char *input)
462 struct thread_data *td = data;
465 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
467 td->o.verify_cpumask_set = 1;
474 static int str_verify_trim_cb(void *data, unsigned long long *val)
476 struct thread_data *td = data;
478 td->o.trim_percentage = *val;
483 static int str_fst_cb(void *data, const char *str)
485 struct thread_data *td = data;
486 char *nr = get_opt_postfix(str);
488 td->file_service_nr = 1;
490 td->file_service_nr = atoi(nr);
497 #ifdef FIO_HAVE_SYNC_FILE_RANGE
498 static int str_sfr_cb(void *data, const char *str)
500 struct thread_data *td = data;
501 char *nr = get_opt_postfix(str);
503 td->sync_file_range_nr = 1;
505 td->sync_file_range_nr = atoi(nr);
513 static int check_dir(struct thread_data *td, char *fname)
516 char file[PATH_MAX], *dir;
519 if (td->o.directory) {
520 strcpy(file, td->o.directory);
525 sprintf(file + elen, "%s", fname);
531 * We can't do this on FIO_DISKLESSIO engines. The engine isn't loaded
532 * yet, so we can't do this check right here...
534 if (lstat(dir, &sb) < 0) {
537 log_err("fio: %s is not a directory\n", dir);
538 td_verror(td, ret, "lstat");
542 if (!S_ISDIR(sb.st_mode)) {
543 log_err("fio: %s is not a directory\n", dir);
553 * Return next file in the string. Files are separated with ':'. If the ':'
554 * is escaped with a '\', then that ':' is part of the filename and does not
555 * indicate a new file.
557 static char *get_next_file_name(char **ptr)
562 if (!str || !strlen(str))
568 * No colon, we are done
570 p = strchr(str, ':');
577 * We got a colon, but it's the first character. Skip and
585 if (*(p - 1) != '\\') {
591 memmove(p - 1, p, strlen(p) + 1);
598 static int str_filename_cb(void *data, const char *input)
600 struct thread_data *td = data;
601 char *fname, *str, *p;
603 p = str = strdup(input);
605 strip_blank_front(&str);
606 strip_blank_end(str);
608 if (!td->files_index)
611 while ((fname = get_next_file_name(&str)) != NULL) {
614 if (check_dir(td, fname)) {
626 static int str_directory_cb(void *data, const char fio_unused *str)
628 struct thread_data *td = data;
631 if (lstat(td->o.directory, &sb) < 0) {
634 log_err("fio: %s is not a directory\n", td->o.directory);
635 td_verror(td, ret, "lstat");
638 if (!S_ISDIR(sb.st_mode)) {
639 log_err("fio: %s is not a directory\n", td->o.directory);
646 static int str_opendir_cb(void *data, const char fio_unused *str)
648 struct thread_data *td = data;
650 if (!td->files_index)
653 return add_dir_files(td, td->o.opendir);
656 static int str_verify_offset_cb(void *data, unsigned long long *off)
658 struct thread_data *td = data;
660 if (*off && *off < sizeof(struct verify_header)) {
661 log_err("fio: verify_offset too small\n");
665 td->o.verify_offset = *off;
669 static int str_verify_pattern_cb(void *data, const char *input)
671 struct thread_data *td = data;
673 int i = 0, j = 0, len, k, base = 10;
676 loc1 = strstr(input, "0x");
677 loc2 = strstr(input, "0X");
680 off = strtol(input, NULL, base);
681 if (off != LONG_MAX || errno != ERANGE) {
683 td->o.verify_pattern[i] = off & 0xff;
692 j = loc1 - input + 2;
694 j = loc2 - input + 2;
697 if (len - j < MAX_PATTERN_SIZE * 2) {
699 off = converthexchartoint(input[k--]);
701 off += (converthexchartoint(input[k--])
703 td->o.verify_pattern[i++] = (char) off;
707 td->o.verify_pattern_bytes = i;
709 * VERIFY_META could already be set
711 if (td->o.verify == VERIFY_NONE)
712 td->o.verify = VERIFY_PATTERN;
716 static int str_lockfile_cb(void *data, const char *str)
718 struct thread_data *td = data;
719 char *nr = get_opt_postfix(str);
721 td->o.lockfile_batch = 1;
723 td->o.lockfile_batch = atoi(nr);
730 static int str_write_bw_log_cb(void *data, const char *str)
732 struct thread_data *td = data;
735 td->o.bw_log_file = strdup(str);
737 td->o.write_bw_log = 1;
741 static int str_write_lat_log_cb(void *data, const char *str)
743 struct thread_data *td = data;
746 td->o.lat_log_file = strdup(str);
748 td->o.write_lat_log = 1;
752 static int str_gtod_reduce_cb(void *data, int *il)
754 struct thread_data *td = data;
757 td->o.disable_lat = !!val;
758 td->o.disable_clat = !!val;
759 td->o.disable_slat = !!val;
760 td->o.disable_bw = !!val;
762 td->tv_cache_mask = 63;
767 static int str_gtod_cpu_cb(void *data, long long *il)
769 struct thread_data *td = data;
772 td->o.gtod_cpu = val;
773 td->o.gtod_offload = 1;
777 static int str_size_cb(void *data, unsigned long long *__val)
779 struct thread_data *td = data;
780 unsigned long long v = *__val;
782 if (parse_is_percent(v)) {
784 td->o.size_percent = -1ULL - v;
791 static int rw_verify(struct fio_option *o, void *data)
793 struct thread_data *td = data;
795 if (read_only && td_write(td)) {
796 log_err("fio: job <%s> has write bit set, but fio is in"
797 " read-only mode\n", td->o.name);
804 static int gtod_cpu_verify(struct fio_option *o, void *data)
806 #ifndef FIO_HAVE_CPU_AFFINITY
807 struct thread_data *td = data;
809 if (td->o.gtod_cpu) {
810 log_err("fio: platform must support CPU affinity for"
811 "gettimeofday() offloading\n");
819 static int kb_base_verify(struct fio_option *o, void *data)
821 struct thread_data *td = data;
823 if (td->o.kb_base != 1024 && td->o.kb_base != 1000) {
824 log_err("fio: kb_base set to nonsensical value: %u\n",
833 * Map of job/command line options
835 static struct fio_option options[FIO_MAX_OPTS] = {
837 .name = "description",
838 .type = FIO_OPT_STR_STORE,
839 .off1 = td_var_offset(description),
840 .help = "Text job description",
844 .type = FIO_OPT_STR_STORE,
845 .off1 = td_var_offset(name),
846 .help = "Name of this job",
850 .type = FIO_OPT_STR_STORE,
851 .off1 = td_var_offset(directory),
852 .cb = str_directory_cb,
853 .help = "Directory to store files in",
857 .type = FIO_OPT_STR_STORE,
858 .off1 = td_var_offset(filename),
859 .cb = str_filename_cb,
860 .prio = -1, /* must come after "directory" */
861 .help = "File(s) to use for the workload",
866 .off1 = td_var_offset(kb_base),
867 .verify = kb_base_verify,
870 .help = "How many bytes per KB for reporting (1000 or 1024)",
875 .cb = str_lockfile_cb,
876 .off1 = td_var_offset(file_lock_mode),
877 .help = "Lock file when doing IO to it",
878 .parent = "filename",
882 .oval = FILE_LOCK_NONE,
883 .help = "No file locking",
885 { .ival = "exclusive",
886 .oval = FILE_LOCK_EXCLUSIVE,
887 .help = "Exclusive file lock",
891 .oval = FILE_LOCK_READWRITE,
892 .help = "Read vs write lock",
898 .type = FIO_OPT_STR_STORE,
899 .off1 = td_var_offset(opendir),
900 .cb = str_opendir_cb,
901 .help = "Recursively add files from this directory and down",
905 .alias = "readwrite",
908 .off1 = td_var_offset(td_ddir),
909 .help = "IO direction",
914 .oval = TD_DDIR_READ,
915 .help = "Sequential read",
918 .oval = TD_DDIR_WRITE,
919 .help = "Sequential write",
921 { .ival = "randread",
922 .oval = TD_DDIR_RANDREAD,
923 .help = "Random read",
925 { .ival = "randwrite",
926 .oval = TD_DDIR_RANDWRITE,
927 .help = "Random write",
931 .help = "Sequential read and write mix",
934 .oval = TD_DDIR_RANDRW,
935 .help = "Random read and write mix"
940 .name = "rw_sequencer",
942 .off1 = td_var_offset(rw_seq),
943 .help = "IO offset generator modifier",
946 { .ival = "sequential",
948 .help = "Generate sequential offsets",
950 { .ival = "identical",
951 .oval = RW_SEQ_IDENT,
952 .help = "Generate identical offsets",
959 .type = FIO_OPT_STR_STORE,
960 .off1 = td_var_offset(ioengine),
961 .help = "IO engine to use",
962 .def = FIO_PREFERRED_ENGINE,
965 .help = "Use read/write",
968 .help = "Use pread/pwrite",
971 .help = "Use readv/writev",
973 #ifdef FIO_HAVE_LIBAIO
975 .help = "Linux native asynchronous IO",
979 #ifdef FIO_HAVE_POSIXAIO
980 { .ival = "posixaio",
981 .help = "POSIX asynchronous IO",
984 #ifdef FIO_HAVE_SOLARISAIO
985 { .ival = "solarisaio",
986 .help = "Solaris native asynchronous IO",
989 #ifdef FIO_HAVE_WINDOWSAIO
990 { .ival = "windowsaio",
991 .help = "Windows native asynchronous IO"
995 .help = "Memory mapped IO"
997 #ifdef FIO_HAVE_SPLICE
999 .help = "splice/vmsplice based IO",
1001 { .ival = "netsplice",
1002 .help = "splice/vmsplice to/from the network",
1005 #ifdef FIO_HAVE_SGIO
1007 .help = "SCSI generic v3 IO",
1011 .help = "Testing engine (no data transfer)",
1014 .help = "Network IO",
1016 #ifdef FIO_HAVE_SYSLET
1017 { .ival = "syslet-rw",
1018 .help = "syslet enabled async pread/pwrite IO",
1022 .help = "CPU cycle burner engine",
1024 #ifdef FIO_HAVE_GUASI
1026 .help = "GUASI IO engine",
1029 #ifdef FIO_HAVE_BINJECT
1030 { .ival = "binject",
1031 .help = "binject direct inject block engine",
1034 #ifdef FIO_HAVE_RDMA
1036 .help = "RDMA IO engine",
1039 { .ival = "external",
1040 .help = "Load external engine (append name)",
1046 .type = FIO_OPT_INT,
1047 .off1 = td_var_offset(iodepth),
1048 .help = "Number of IO buffers to keep in flight",
1053 .name = "iodepth_batch",
1054 .alias = "iodepth_batch_submit",
1055 .type = FIO_OPT_INT,
1056 .off1 = td_var_offset(iodepth_batch),
1057 .help = "Number of IO buffers to submit in one go",
1058 .parent = "iodepth",
1063 .name = "iodepth_batch_complete",
1064 .type = FIO_OPT_INT,
1065 .off1 = td_var_offset(iodepth_batch_complete),
1066 .help = "Number of IO buffers to retrieve in one go",
1067 .parent = "iodepth",
1072 .name = "iodepth_low",
1073 .type = FIO_OPT_INT,
1074 .off1 = td_var_offset(iodepth_low),
1075 .help = "Low water mark for queuing depth",
1076 .parent = "iodepth",
1080 .type = FIO_OPT_STR_VAL,
1082 .help = "Total size of device or files",
1085 .name = "fill_device",
1087 .type = FIO_OPT_BOOL,
1088 .off1 = td_var_offset(fill_device),
1089 .help = "Write until an ENOSPC error occurs",
1094 .type = FIO_OPT_STR_VAL,
1095 .off1 = td_var_offset(file_size_low),
1096 .off2 = td_var_offset(file_size_high),
1098 .help = "Size of individual files",
1102 .alias = "fileoffset",
1103 .type = FIO_OPT_STR_VAL,
1104 .off1 = td_var_offset(start_offset),
1105 .help = "Start IO from this offset",
1110 .alias = "blocksize",
1111 .type = FIO_OPT_INT,
1112 .off1 = td_var_offset(bs[DDIR_READ]),
1113 .off2 = td_var_offset(bs[DDIR_WRITE]),
1115 .help = "Block size unit",
1121 .alias = "blockalign",
1122 .type = FIO_OPT_INT,
1123 .off1 = td_var_offset(ba[DDIR_READ]),
1124 .off2 = td_var_offset(ba[DDIR_WRITE]),
1126 .help = "IO block offset alignment",
1131 .alias = "blocksize_range",
1132 .type = FIO_OPT_RANGE,
1133 .off1 = td_var_offset(min_bs[DDIR_READ]),
1134 .off2 = td_var_offset(max_bs[DDIR_READ]),
1135 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1136 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1138 .help = "Set block size range (in more detail than bs)",
1143 .type = FIO_OPT_STR,
1144 .cb = str_bssplit_cb,
1145 .help = "Set a specific mix of block sizes",
1149 .name = "bs_unaligned",
1150 .alias = "blocksize_unaligned",
1151 .type = FIO_OPT_STR_SET,
1152 .off1 = td_var_offset(bs_unaligned),
1153 .help = "Don't sector align IO buffer sizes",
1157 .name = "randrepeat",
1158 .type = FIO_OPT_BOOL,
1159 .off1 = td_var_offset(rand_repeatable),
1160 .help = "Use repeatable random IO pattern",
1165 .name = "use_os_rand",
1166 .type = FIO_OPT_BOOL,
1167 .off1 = td_var_offset(use_os_rand),
1168 .help = "Set to use OS random generator",
1173 .name = "norandommap",
1174 .type = FIO_OPT_STR_SET,
1175 .off1 = td_var_offset(norandommap),
1176 .help = "Accept potential duplicate random blocks",
1180 .name = "softrandommap",
1181 .type = FIO_OPT_BOOL,
1182 .off1 = td_var_offset(softrandommap),
1183 .help = "Set norandommap if randommap allocation fails",
1184 .parent = "norandommap",
1189 .alias = "nr_files",
1190 .type = FIO_OPT_INT,
1191 .off1 = td_var_offset(nr_files),
1192 .help = "Split job workload between this number of files",
1196 .name = "openfiles",
1197 .type = FIO_OPT_INT,
1198 .off1 = td_var_offset(open_files),
1199 .help = "Number of files to keep open at the same time",
1202 .name = "file_service_type",
1203 .type = FIO_OPT_STR,
1205 .off1 = td_var_offset(file_service_type),
1206 .help = "How to select which file to service next",
1207 .def = "roundrobin",
1210 .oval = FIO_FSERVICE_RANDOM,
1211 .help = "Choose a file at random",
1213 { .ival = "roundrobin",
1214 .oval = FIO_FSERVICE_RR,
1215 .help = "Round robin select files",
1217 { .ival = "sequential",
1218 .oval = FIO_FSERVICE_SEQ,
1219 .help = "Finish one file before moving to the next",
1222 .parent = "nrfiles",
1224 #ifdef FIO_HAVE_FALLOCATE
1226 .name = "fallocate",
1227 .type = FIO_OPT_STR,
1228 .off1 = td_var_offset(fallocate_mode),
1229 .help = "Whether pre-allocation is performed when laying out files",
1233 .oval = FIO_FALLOCATE_NONE,
1234 .help = "Do not pre-allocate space",
1237 .oval = FIO_FALLOCATE_POSIX,
1238 .help = "Use posix_fallocate()",
1240 #ifdef FIO_HAVE_LINUX_FALLOCATE
1242 .oval = FIO_FALLOCATE_KEEP_SIZE,
1243 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1246 /* Compatibility with former boolean values */
1248 .oval = FIO_FALLOCATE_NONE,
1249 .help = "Alias for 'none'",
1252 .oval = FIO_FALLOCATE_POSIX,
1253 .help = "Alias for 'posix'",
1257 #endif /* FIO_HAVE_FALLOCATE */
1259 .name = "fadvise_hint",
1260 .type = FIO_OPT_BOOL,
1261 .off1 = td_var_offset(fadvise_hint),
1262 .help = "Use fadvise() to advise the kernel on IO pattern",
1267 .type = FIO_OPT_INT,
1268 .off1 = td_var_offset(fsync_blocks),
1269 .help = "Issue fsync for writes every given number of blocks",
1273 .name = "fdatasync",
1274 .type = FIO_OPT_INT,
1275 .off1 = td_var_offset(fdatasync_blocks),
1276 .help = "Issue fdatasync for writes every given number of blocks",
1280 .name = "write_barrier",
1281 .type = FIO_OPT_INT,
1282 .off1 = td_var_offset(barrier_blocks),
1283 .help = "Make every Nth write a barrier write",
1286 #ifdef FIO_HAVE_SYNC_FILE_RANGE
1288 .name = "sync_file_range",
1290 { .ival = "wait_before",
1291 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1292 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
1296 .oval = SYNC_FILE_RANGE_WRITE,
1297 .help = "SYNC_FILE_RANGE_WRITE",
1301 .ival = "wait_after",
1302 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1303 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
1307 .type = FIO_OPT_STR_MULTI,
1309 .off1 = td_var_offset(sync_file_range),
1310 .help = "Use sync_file_range()",
1315 .type = FIO_OPT_BOOL,
1316 .off1 = td_var_offset(odirect),
1317 .help = "Use O_DIRECT IO (negates buffered)",
1322 .type = FIO_OPT_BOOL,
1323 .off1 = td_var_offset(odirect),
1325 .help = "Use buffered IO (negates direct)",
1329 .name = "overwrite",
1330 .type = FIO_OPT_BOOL,
1331 .off1 = td_var_offset(overwrite),
1332 .help = "When writing, set whether to overwrite current data",
1337 .type = FIO_OPT_INT,
1338 .off1 = td_var_offset(loops),
1339 .help = "Number of times to run the job",
1344 .type = FIO_OPT_INT,
1345 .off1 = td_var_offset(numjobs),
1346 .help = "Duplicate this job this many times",
1350 .name = "startdelay",
1351 .type = FIO_OPT_STR_VAL_TIME,
1352 .off1 = td_var_offset(start_delay),
1353 .help = "Only start job when this period has passed",
1359 .type = FIO_OPT_STR_VAL_TIME,
1360 .off1 = td_var_offset(timeout),
1361 .help = "Stop workload when this amount of time has passed",
1365 .name = "time_based",
1366 .type = FIO_OPT_STR_SET,
1367 .off1 = td_var_offset(time_based),
1368 .help = "Keep running until runtime/timeout is met",
1371 .name = "ramp_time",
1372 .type = FIO_OPT_STR_VAL_TIME,
1373 .off1 = td_var_offset(ramp_time),
1374 .help = "Ramp up time before measuring performance",
1377 .name = "clocksource",
1378 .type = FIO_OPT_STR,
1379 .cb = fio_clock_source_cb,
1380 .off1 = td_var_offset(clocksource),
1381 .help = "What type of timing source to use",
1383 { .ival = "gettimeofday",
1385 .help = "Use gettimeofday(2) for timing",
1387 { .ival = "clock_gettime",
1388 .oval = CS_CGETTIME,
1389 .help = "Use clock_gettime(2) for timing",
1391 #ifdef ARCH_HAVE_CPU_CLOCK
1393 .oval = CS_CPUCLOCK,
1394 .help = "Use CPU private clock",
1402 .type = FIO_OPT_STR,
1404 .off1 = td_var_offset(mem_type),
1405 .help = "Backing type for IO buffers",
1410 .help = "Use malloc(3) for IO buffers",
1414 .help = "Use shared memory segments for IO buffers",
1416 #ifdef FIO_HAVE_HUGETLB
1417 { .ival = "shmhuge",
1418 .oval = MEM_SHMHUGE,
1419 .help = "Like shm, but use huge pages",
1424 .help = "Use mmap(2) (file or anon) for IO buffers",
1426 #ifdef FIO_HAVE_HUGETLB
1427 { .ival = "mmaphuge",
1428 .oval = MEM_MMAPHUGE,
1429 .help = "Like mmap, but use huge pages",
1435 .name = "iomem_align",
1436 .alias = "mem_align",
1437 .type = FIO_OPT_INT,
1438 .off1 = td_var_offset(mem_align),
1440 .help = "IO memory buffer offset alignment",
1446 .type = FIO_OPT_STR,
1447 .off1 = td_var_offset(verify),
1448 .help = "Verify data written",
1449 .cb = str_verify_cb,
1453 .oval = VERIFY_NONE,
1454 .help = "Don't do IO verification",
1458 .help = "Use md5 checksums for verification",
1461 .oval = VERIFY_CRC64,
1462 .help = "Use crc64 checksums for verification",
1465 .oval = VERIFY_CRC32,
1466 .help = "Use crc32 checksums for verification",
1468 { .ival = "crc32c-intel",
1469 .oval = VERIFY_CRC32C_INTEL,
1470 .help = "Use hw crc32c checksums for verification",
1473 .oval = VERIFY_CRC32C,
1474 .help = "Use crc32c checksums for verification",
1477 .oval = VERIFY_CRC16,
1478 .help = "Use crc16 checksums for verification",
1481 .oval = VERIFY_CRC7,
1482 .help = "Use crc7 checksums for verification",
1485 .oval = VERIFY_SHA1,
1486 .help = "Use sha1 checksums for verification",
1489 .oval = VERIFY_SHA256,
1490 .help = "Use sha256 checksums for verification",
1493 .oval = VERIFY_SHA512,
1494 .help = "Use sha512 checksums for verification",
1497 .oval = VERIFY_META,
1498 .help = "Use io information",
1502 .oval = VERIFY_NULL,
1503 .help = "Pretend to verify",
1508 .name = "do_verify",
1509 .type = FIO_OPT_BOOL,
1510 .off1 = td_var_offset(do_verify),
1511 .help = "Run verification stage after write",
1516 .name = "verifysort",
1517 .type = FIO_OPT_BOOL,
1518 .off1 = td_var_offset(verifysort),
1519 .help = "Sort written verify blocks for read back",
1524 .name = "verify_interval",
1525 .type = FIO_OPT_INT,
1526 .off1 = td_var_offset(verify_interval),
1527 .minval = 2 * sizeof(struct verify_header),
1528 .help = "Store verify buffer header every N bytes",
1532 .name = "verify_offset",
1533 .type = FIO_OPT_INT,
1534 .help = "Offset verify header location by N bytes",
1536 .cb = str_verify_offset_cb,
1540 .name = "verify_pattern",
1541 .type = FIO_OPT_STR,
1542 .cb = str_verify_pattern_cb,
1543 .help = "Fill pattern for IO buffers",
1547 .name = "verify_fatal",
1548 .type = FIO_OPT_BOOL,
1549 .off1 = td_var_offset(verify_fatal),
1551 .help = "Exit on a single verify failure, don't continue",
1555 .name = "verify_dump",
1556 .type = FIO_OPT_BOOL,
1557 .off1 = td_var_offset(verify_dump),
1559 .help = "Dump contents of good and bad blocks on failure",
1563 .name = "verify_async",
1564 .type = FIO_OPT_INT,
1565 .off1 = td_var_offset(verify_async),
1567 .help = "Number of async verifier threads to use",
1571 .name = "verify_backlog",
1572 .type = FIO_OPT_STR_VAL,
1573 .off1 = td_var_offset(verify_backlog),
1574 .help = "Verify after this number of blocks are written",
1578 .name = "verify_backlog_batch",
1579 .type = FIO_OPT_INT,
1580 .off1 = td_var_offset(verify_batch),
1581 .help = "Verify this number of IO blocks",
1584 #ifdef FIO_HAVE_CPU_AFFINITY
1586 .name = "verify_async_cpus",
1587 .type = FIO_OPT_STR,
1588 .cb = str_verify_cpus_allowed_cb,
1589 .help = "Set CPUs allowed for async verify threads",
1590 .parent = "verify_async",
1593 #ifdef FIO_HAVE_TRIM
1595 .name = "trim_percentage",
1596 .type = FIO_OPT_INT,
1597 .cb = str_verify_trim_cb,
1599 .help = "Number of verify blocks to discard/trim",
1604 .name = "trim_verify_zero",
1605 .type = FIO_OPT_INT,
1606 .help = "Verify that trim/discarded blocks are returned as zeroes",
1607 .off1 = td_var_offset(trim_zero),
1608 .parent = "trim_percentage",
1612 .name = "trim_backlog",
1613 .type = FIO_OPT_STR_VAL,
1614 .off1 = td_var_offset(trim_backlog),
1615 .help = "Trim after this number of blocks are written",
1616 .parent = "trim_percentage",
1619 .name = "trim_backlog_batch",
1620 .type = FIO_OPT_INT,
1621 .off1 = td_var_offset(trim_batch),
1622 .help = "Trim this number of IO blocks",
1623 .parent = "trim_percentage",
1627 .name = "write_iolog",
1628 .type = FIO_OPT_STR_STORE,
1629 .off1 = td_var_offset(write_iolog_file),
1630 .help = "Store IO pattern to file",
1633 .name = "read_iolog",
1634 .type = FIO_OPT_STR_STORE,
1635 .off1 = td_var_offset(read_iolog_file),
1636 .help = "Playback IO pattern from file",
1639 .name = "replay_no_stall",
1640 .type = FIO_OPT_INT,
1641 .off1 = td_var_offset(no_stall),
1643 .parent = "read_iolog",
1644 .help = "Playback IO pattern file as fast as possible without stalls",
1647 .name = "replay_redirect",
1648 .type = FIO_OPT_STR_STORE,
1649 .off1 = td_var_offset(replay_redirect),
1650 .parent = "read_iolog",
1651 .help = "Replay all I/O onto this device, regardless of trace device",
1654 .name = "exec_prerun",
1655 .type = FIO_OPT_STR_STORE,
1656 .off1 = td_var_offset(exec_prerun),
1657 .help = "Execute this file prior to running job",
1660 .name = "exec_postrun",
1661 .type = FIO_OPT_STR_STORE,
1662 .off1 = td_var_offset(exec_postrun),
1663 .help = "Execute this file after running job",
1665 #ifdef FIO_HAVE_IOSCHED_SWITCH
1667 .name = "ioscheduler",
1668 .type = FIO_OPT_STR_STORE,
1669 .off1 = td_var_offset(ioscheduler),
1670 .help = "Use this IO scheduler on the backing device",
1675 .type = FIO_OPT_STR_VAL,
1676 .off1 = td_var_offset(zone_size),
1677 .help = "Give size of an IO zone",
1682 .type = FIO_OPT_STR_VAL,
1683 .off1 = td_var_offset(zone_skip),
1684 .help = "Space between IO zones",
1689 .type = FIO_OPT_STR_VAL,
1690 .cb = str_lockmem_cb,
1691 .help = "Lock down this amount of memory",
1695 .name = "rwmixread",
1696 .type = FIO_OPT_INT,
1697 .cb = str_rwmix_read_cb,
1699 .help = "Percentage of mixed workload that is reads",
1703 .name = "rwmixwrite",
1704 .type = FIO_OPT_INT,
1705 .cb = str_rwmix_write_cb,
1707 .help = "Percentage of mixed workload that is writes",
1711 .name = "rwmixcycle",
1712 .type = FIO_OPT_DEPRECATED,
1716 .type = FIO_OPT_INT,
1717 .off1 = td_var_offset(nice),
1718 .help = "Set job CPU nice value",
1723 #ifdef FIO_HAVE_IOPRIO
1726 .type = FIO_OPT_INT,
1728 .help = "Set job IO priority value",
1733 .name = "prioclass",
1734 .type = FIO_OPT_INT,
1735 .cb = str_prioclass_cb,
1736 .help = "Set job IO priority class",
1742 .name = "thinktime",
1743 .type = FIO_OPT_INT,
1744 .off1 = td_var_offset(thinktime),
1745 .help = "Idle time between IO buffers (usec)",
1749 .name = "thinktime_spin",
1750 .type = FIO_OPT_INT,
1751 .off1 = td_var_offset(thinktime_spin),
1752 .help = "Start think time by spinning this amount (usec)",
1754 .parent = "thinktime",
1757 .name = "thinktime_blocks",
1758 .type = FIO_OPT_INT,
1759 .off1 = td_var_offset(thinktime_blocks),
1760 .help = "IO buffer period between 'thinktime'",
1762 .parent = "thinktime",
1766 .type = FIO_OPT_INT,
1767 .off1 = td_var_offset(rate[0]),
1768 .off2 = td_var_offset(rate[1]),
1769 .help = "Set bandwidth rate",
1773 .type = FIO_OPT_INT,
1774 .off1 = td_var_offset(ratemin[0]),
1775 .off2 = td_var_offset(ratemin[1]),
1776 .help = "Job must meet this rate or it will be shutdown",
1780 .name = "rate_iops",
1781 .type = FIO_OPT_INT,
1782 .off1 = td_var_offset(rate_iops[0]),
1783 .off2 = td_var_offset(rate_iops[1]),
1784 .help = "Limit IO used to this number of IO operations/sec",
1787 .name = "rate_iops_min",
1788 .type = FIO_OPT_INT,
1789 .off1 = td_var_offset(rate_iops_min[0]),
1790 .off2 = td_var_offset(rate_iops_min[1]),
1791 .help = "Job must meet this rate or it will be shut down",
1792 .parent = "rate_iops",
1795 .name = "ratecycle",
1796 .type = FIO_OPT_INT,
1797 .off1 = td_var_offset(ratecycle),
1798 .help = "Window average for rate limits (msec)",
1803 .name = "invalidate",
1804 .type = FIO_OPT_BOOL,
1805 .off1 = td_var_offset(invalidate_cache),
1806 .help = "Invalidate buffer/page cache prior to running job",
1811 .type = FIO_OPT_BOOL,
1812 .off1 = td_var_offset(sync_io),
1813 .help = "Use O_SYNC for buffered writes",
1815 .parent = "buffered",
1818 .name = "bwavgtime",
1819 .type = FIO_OPT_INT,
1820 .off1 = td_var_offset(bw_avg_time),
1821 .help = "Time window over which to calculate bandwidth"
1826 .name = "create_serialize",
1827 .type = FIO_OPT_BOOL,
1828 .off1 = td_var_offset(create_serialize),
1829 .help = "Serialize creating of job files",
1833 .name = "create_fsync",
1834 .type = FIO_OPT_BOOL,
1835 .off1 = td_var_offset(create_fsync),
1836 .help = "fsync file after creation",
1840 .name = "create_on_open",
1841 .type = FIO_OPT_BOOL,
1842 .off1 = td_var_offset(create_on_open),
1843 .help = "Create files when they are opened for IO",
1848 .type = FIO_OPT_BOOL,
1849 .off1 = td_var_offset(pre_read),
1850 .help = "Pre-read files before starting official testing",
1855 .type = FIO_OPT_INT,
1856 .off1 = td_var_offset(cpuload),
1857 .help = "Use this percentage of CPU",
1860 .name = "cpuchunks",
1861 .type = FIO_OPT_INT,
1862 .off1 = td_var_offset(cpucycle),
1863 .help = "Length of the CPU burn cycles (usecs)",
1865 .parent = "cpuload",
1867 #ifdef FIO_HAVE_CPU_AFFINITY
1870 .type = FIO_OPT_INT,
1871 .cb = str_cpumask_cb,
1872 .help = "CPU affinity mask",
1875 .name = "cpus_allowed",
1876 .type = FIO_OPT_STR,
1877 .cb = str_cpus_allowed_cb,
1878 .help = "Set CPUs allowed",
1882 .name = "end_fsync",
1883 .type = FIO_OPT_BOOL,
1884 .off1 = td_var_offset(end_fsync),
1885 .help = "Include fsync at the end of job",
1889 .name = "fsync_on_close",
1890 .type = FIO_OPT_BOOL,
1891 .off1 = td_var_offset(fsync_on_close),
1892 .help = "fsync files on close",
1897 .type = FIO_OPT_BOOL,
1898 .off1 = td_var_offset(unlink),
1899 .help = "Unlink created files after job has completed",
1904 .type = FIO_OPT_STR_SET,
1905 .cb = str_exitall_cb,
1906 .help = "Terminate all jobs when one exits",
1909 .name = "stonewall",
1910 .alias = "wait_for_previous",
1911 .type = FIO_OPT_STR_SET,
1912 .off1 = td_var_offset(stonewall),
1913 .help = "Insert a hard barrier between this job and previous",
1916 .name = "new_group",
1917 .type = FIO_OPT_STR_SET,
1918 .off1 = td_var_offset(new_group),
1919 .help = "Mark the start of a new group (for reporting)",
1923 .type = FIO_OPT_STR_SET,
1924 .off1 = td_var_offset(use_thread),
1925 .help = "Use threads instead of forks",
1928 .name = "write_bw_log",
1929 .type = FIO_OPT_STR,
1930 .off1 = td_var_offset(write_bw_log),
1931 .cb = str_write_bw_log_cb,
1932 .help = "Write log of bandwidth during run",
1935 .name = "write_lat_log",
1936 .type = FIO_OPT_STR,
1937 .off1 = td_var_offset(write_lat_log),
1938 .cb = str_write_lat_log_cb,
1939 .help = "Write log of latency during run",
1942 .name = "hugepage-size",
1943 .type = FIO_OPT_INT,
1944 .off1 = td_var_offset(hugepage_size),
1945 .help = "When using hugepages, specify size of each page",
1946 .def = __fio_stringify(FIO_HUGE_PAGE),
1949 .name = "group_reporting",
1950 .type = FIO_OPT_STR_SET,
1951 .off1 = td_var_offset(group_reporting),
1952 .help = "Do reporting on a per-group basis",
1955 .name = "zero_buffers",
1956 .type = FIO_OPT_STR_SET,
1957 .off1 = td_var_offset(zero_buffers),
1958 .help = "Init IO buffers to all zeroes",
1961 .name = "refill_buffers",
1962 .type = FIO_OPT_STR_SET,
1963 .off1 = td_var_offset(refill_buffers),
1964 .help = "Refill IO buffers on every IO submit",
1967 .name = "scramble_buffers",
1968 .type = FIO_OPT_BOOL,
1969 .off1 = td_var_offset(scramble_buffers),
1970 .help = "Slightly scramble buffers on every IO submit",
1974 .name = "clat_percentiles",
1975 .type = FIO_OPT_BOOL,
1976 .off1 = td_var_offset(clat_percentiles),
1977 .help = "Enable the reporting of completion latency percentiles",
1981 .name = "percentile_list",
1982 .type = FIO_OPT_FLOAT_LIST,
1983 .off1 = td_var_offset(percentile_list),
1984 .off2 = td_var_offset(overwrite_plist),
1985 .help = "Specify a custom list of percentiles to report",
1986 .maxlen = FIO_IO_U_LIST_MAX_LEN,
1991 #ifdef FIO_HAVE_DISK_UTIL
1993 .name = "disk_util",
1994 .type = FIO_OPT_BOOL,
1995 .off1 = td_var_offset(do_disk_util),
1996 .help = "Log disk utilization statistics",
2001 .name = "gtod_reduce",
2002 .type = FIO_OPT_BOOL,
2003 .help = "Greatly reduce number of gettimeofday() calls",
2004 .cb = str_gtod_reduce_cb,
2008 .name = "disable_lat",
2009 .type = FIO_OPT_BOOL,
2010 .off1 = td_var_offset(disable_lat),
2011 .help = "Disable latency numbers",
2012 .parent = "gtod_reduce",
2016 .name = "disable_clat",
2017 .type = FIO_OPT_BOOL,
2018 .off1 = td_var_offset(disable_clat),
2019 .help = "Disable completion latency numbers",
2020 .parent = "gtod_reduce",
2024 .name = "disable_slat",
2025 .type = FIO_OPT_BOOL,
2026 .off1 = td_var_offset(disable_slat),
2027 .help = "Disable submission latency numbers",
2028 .parent = "gtod_reduce",
2032 .name = "disable_bw_measurement",
2033 .type = FIO_OPT_BOOL,
2034 .off1 = td_var_offset(disable_bw),
2035 .help = "Disable bandwidth logging",
2036 .parent = "gtod_reduce",
2041 .type = FIO_OPT_INT,
2042 .cb = str_gtod_cpu_cb,
2043 .help = "Set up dedicated gettimeofday() thread on this CPU",
2044 .verify = gtod_cpu_verify,
2047 .name = "continue_on_error",
2048 .type = FIO_OPT_BOOL,
2049 .off1 = td_var_offset(continue_on_error),
2050 .help = "Continue on non-fatal errors during IO",
2055 .type = FIO_OPT_STR_STORE,
2056 .off1 = td_var_offset(profile),
2057 .help = "Select a specific builtin performance test",
2061 .type = FIO_OPT_STR_STORE,
2062 .off1 = td_var_offset(cgroup),
2063 .help = "Add job to cgroup of this name",
2066 .name = "cgroup_weight",
2067 .type = FIO_OPT_INT,
2068 .off1 = td_var_offset(cgroup_weight),
2069 .help = "Use given weight for cgroup",
2074 .name = "cgroup_nodelete",
2075 .type = FIO_OPT_BOOL,
2076 .off1 = td_var_offset(cgroup_nodelete),
2077 .help = "Do not delete cgroups after job completion",
2082 .type = FIO_OPT_INT,
2083 .off1 = td_var_offset(uid),
2084 .help = "Run job with this user ID",
2088 .type = FIO_OPT_INT,
2089 .off1 = td_var_offset(gid),
2090 .help = "Run job with this group ID",
2097 static void add_to_lopt(struct option *lopt, struct fio_option *o,
2100 lopt->name = (char *) name;
2101 lopt->val = FIO_GETOPT_JOB;
2102 if (o->type == FIO_OPT_STR_SET)
2103 lopt->has_arg = no_argument;
2105 lopt->has_arg = required_argument;
2108 void fio_options_dup_and_init(struct option *long_options)
2110 struct fio_option *o;
2113 options_init(options);
2116 while (long_options[i].name)
2121 add_to_lopt(&long_options[i], o, o->name);
2124 add_to_lopt(&long_options[i], o, o->alias);
2129 assert(i < FIO_NR_OPTIONS);
2133 struct fio_keyword {
2139 static struct fio_keyword fio_keywords[] = {
2141 .word = "$pagesize",
2142 .desc = "Page size in the system",
2145 .word = "$mb_memory",
2146 .desc = "Megabytes of memory online",
2150 .desc = "Number of CPUs online in the system",
2157 void fio_keywords_init(void)
2159 unsigned long long mb_memory;
2163 sprintf(buf, "%lu", page_size);
2164 fio_keywords[0].replace = strdup(buf);
2166 mb_memory = os_phys_mem() / (1024 * 1024);
2167 sprintf(buf, "%llu", mb_memory);
2168 fio_keywords[1].replace = strdup(buf);
2171 sprintf(buf, "%lu", l);
2172 fio_keywords[2].replace = strdup(buf);
2177 static char *bc_calc(char *str)
2179 char *buf, *tmp, opt[80];
2184 * No math, just return string
2186 if (!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
2191 * Split option from value, we only need to calculate the value
2193 tmp = strchr(str, '=');
2198 memset(opt, 0, sizeof(opt));
2199 strncpy(opt, str, tmp - str);
2203 sprintf(buf, "which %s > /dev/null", BC_APP);
2205 log_err("fio: bc is needed for performing math\n");
2210 sprintf(buf, "echo %s | %s", tmp, BC_APP);
2211 f = popen(buf, "r");
2217 ret = fread(buf, 1, 128, f);
2223 buf[ret - 1] = '\0';
2232 * Look for reserved variable names and replace them with real values
2234 static char *fio_keyword_replace(char *opt)
2239 for (i = 0; fio_keywords[i].word != NULL; i++) {
2240 struct fio_keyword *kw = &fio_keywords[i];
2242 while ((s = strstr(opt, kw->word)) != NULL) {
2243 char *new = malloc(strlen(opt) + 1);
2249 * Copy part of the string before the keyword and
2250 * sprintf() the replacement after it.
2252 memcpy(new, opt, olen);
2253 len = sprintf(new + olen, "%s", kw->replace);
2256 * If there's more in the original string, copy that
2259 opt += strlen(kw->word) + olen;
2261 memcpy(new + olen + len, opt, opt - o_org - 1);
2264 * replace opt and free the old opt
2270 * Check for potential math and invoke bc, if possible
2279 int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
2283 sort_options(opts, options, num_opts);
2285 for (ret = 0, i = 0; i < num_opts; i++) {
2286 opts[i] = fio_keyword_replace(opts[i]);
2287 ret |= parse_option(opts[i], options, td);
2293 int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
2295 return parse_cmd_option(opt, val, options, td);
2298 void fio_fill_default_options(struct thread_data *td)
2300 fill_default_options(td, options);
2303 int fio_show_option_help(const char *opt)
2305 return show_cmd_help(options, opt);
2308 static void __options_mem(struct thread_data *td, int alloc)
2310 struct thread_options *o = &td->o;
2311 struct fio_option *opt;
2315 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
2316 if (opt->type != FIO_OPT_STR_STORE)
2319 ptr = (void *) o + opt->off1;
2322 *ptr = strdup(*ptr);
2332 * dupe FIO_OPT_STR_STORE options
2334 void options_mem_dupe(struct thread_data *td)
2336 __options_mem(td, 1);
2339 void options_mem_free(struct thread_data fio_unused *td)
2342 __options_mem(td, 0);
2346 unsigned int fio_get_kb_base(void *data)
2348 struct thread_data *td = data;
2349 unsigned int kb_base = 0;
2352 kb_base = td->o.kb_base;
2359 int add_option(struct fio_option *o)
2361 struct fio_option *__o;
2370 memcpy(&options[opt_index], o, sizeof(*o));
2374 void invalidate_profile_options(const char *prof_name)
2376 struct fio_option *o;
2380 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
2381 o->type = FIO_OPT_INVALID;
2382 o->prof_name = NULL;
2388 void add_opt_posval(const char *optname, const char *ival, const char *help)
2390 struct fio_option *o;
2393 o = find_option(options, optname);
2397 for (i = 0; i < PARSE_MAX_VP; i++) {
2398 if (o->posval[i].ival)
2401 o->posval[i].ival = ival;
2402 o->posval[i].help = help;
2407 void del_opt_posval(const char *optname, const char *ival)
2409 struct fio_option *o;
2412 o = find_option(options, optname);
2416 for (i = 0; i < PARSE_MAX_VP; i++) {
2417 if (!o->posval[i].ival)
2419 if (strcmp(o->posval[i].ival, ival))
2422 o->posval[i].ival = NULL;
2423 o->posval[i].help = NULL;