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 static int str_mem_cb(void *data, const char *mem)
231 struct thread_data *td = data;
233 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
234 td->mmapfile = get_opt_postfix(mem);
235 if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
236 log_err("fio: mmaphuge:/path/to/file\n");
244 static int str_verify_cb(void *data, const char *mem)
246 struct thread_data *td = data;
248 if (td->o.verify != VERIFY_CRC32C_INTEL)
251 if (!crc32c_intel_works()) {
252 log_info("fio: System does not support hw accelerated crc32c. Falling back to sw crc32c.\n");
253 td->o.verify = VERIFY_CRC32C;
259 static int fio_clock_source_cb(void *data, const char *str)
261 struct thread_data *td = data;
263 fio_clock_source = td->o.clocksource;
268 static int str_lockmem_cb(void fio_unused *data, unsigned long long *val)
274 static int str_rwmix_read_cb(void *data, unsigned long long *val)
276 struct thread_data *td = data;
278 td->o.rwmix[DDIR_READ] = *val;
279 td->o.rwmix[DDIR_WRITE] = 100 - *val;
283 static int str_rwmix_write_cb(void *data, unsigned long long *val)
285 struct thread_data *td = data;
287 td->o.rwmix[DDIR_WRITE] = *val;
288 td->o.rwmix[DDIR_READ] = 100 - *val;
292 #ifdef FIO_HAVE_IOPRIO
293 static int str_prioclass_cb(void *data, unsigned long long *val)
295 struct thread_data *td = data;
299 * mask off old class bits, str_prio_cb() may have set a default class
301 mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
304 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
309 static int str_prio_cb(void *data, unsigned long long *val)
311 struct thread_data *td = data;
316 * If no class is set, assume BE
318 if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
319 td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
326 static int str_exitall_cb(void)
328 exitall_on_terminate = 1;
332 #ifdef FIO_HAVE_CPU_AFFINITY
333 static int str_cpumask_cb(void *data, unsigned long long *val)
335 struct thread_data *td = data;
340 ret = fio_cpuset_init(&td->o.cpumask);
342 log_err("fio: cpuset_init failed\n");
343 td_verror(td, ret, "fio_cpuset_init");
347 max_cpu = cpus_online();
349 for (i = 0; i < sizeof(int) * 8; i++) {
350 if ((1 << i) & *val) {
352 log_err("fio: CPU %d too large (max=%ld)\n", i,
356 dprint(FD_PARSE, "set cpu allowed %d\n", i);
357 fio_cpu_set(&td->o.cpumask, i);
361 td->o.cpumask_set = 1;
365 static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
372 ret = fio_cpuset_init(mask);
374 log_err("fio: cpuset_init failed\n");
375 td_verror(td, ret, "fio_cpuset_init");
379 p = str = strdup(input);
381 strip_blank_front(&str);
382 strip_blank_end(str);
384 max_cpu = cpus_online();
386 while ((cpu = strsep(&str, ",")) != NULL) {
395 while ((cpu2 = strsep(&str2, "-")) != NULL) {
405 while (icpu <= icpu2) {
406 if (icpu >= FIO_MAX_CPUS) {
407 log_err("fio: your OS only supports up to"
408 " %d CPUs\n", (int) FIO_MAX_CPUS);
412 if (icpu > max_cpu) {
413 log_err("fio: CPU %d too large (max=%ld)\n",
419 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
420 fio_cpu_set(mask, icpu);
429 td->o.cpumask_set = 1;
433 static int str_cpus_allowed_cb(void *data, const char *input)
435 struct thread_data *td = data;
438 ret = set_cpus_allowed(td, &td->o.cpumask, input);
440 td->o.cpumask_set = 1;
445 static int str_verify_cpus_allowed_cb(void *data, const char *input)
447 struct thread_data *td = data;
450 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
452 td->o.verify_cpumask_set = 1;
459 static int str_verify_trim_cb(void *data, unsigned long long *val)
461 struct thread_data *td = data;
463 td->o.trim_percentage = *val;
468 static int str_fst_cb(void *data, const char *str)
470 struct thread_data *td = data;
471 char *nr = get_opt_postfix(str);
473 td->file_service_nr = 1;
475 td->file_service_nr = atoi(nr);
482 #ifdef FIO_HAVE_SYNC_FILE_RANGE
483 static int str_sfr_cb(void *data, const char *str)
485 struct thread_data *td = data;
486 char *nr = get_opt_postfix(str);
488 td->sync_file_range_nr = 1;
490 td->sync_file_range_nr = atoi(nr);
498 static int check_dir(struct thread_data *td, char *fname)
501 char file[PATH_MAX], *dir;
504 if (td->o.directory) {
505 strcpy(file, td->o.directory);
510 sprintf(file + elen, "%s", fname);
516 * We can't do this on FIO_DISKLESSIO engines. The engine isn't loaded
517 * yet, so we can't do this check right here...
519 if (lstat(dir, &sb) < 0) {
522 log_err("fio: %s is not a directory\n", dir);
523 td_verror(td, ret, "lstat");
527 if (!S_ISDIR(sb.st_mode)) {
528 log_err("fio: %s is not a directory\n", dir);
538 * Return next file in the string. Files are separated with ':'. If the ':'
539 * is escaped with a '\', then that ':' is part of the filename and does not
540 * indicate a new file.
542 static char *get_next_file_name(char **ptr)
547 if (!str || !strlen(str))
553 * No colon, we are done
555 p = strchr(str, ':');
562 * We got a colon, but it's the first character. Skip and
570 if (*(p - 1) != '\\') {
576 memmove(p - 1, p, strlen(p) + 1);
583 static int str_filename_cb(void *data, const char *input)
585 struct thread_data *td = data;
586 char *fname, *str, *p;
588 p = str = strdup(input);
590 strip_blank_front(&str);
591 strip_blank_end(str);
593 if (!td->files_index)
596 while ((fname = get_next_file_name(&str)) != NULL) {
599 if (check_dir(td, fname)) {
611 static int str_directory_cb(void *data, const char fio_unused *str)
613 struct thread_data *td = data;
616 if (lstat(td->o.directory, &sb) < 0) {
619 log_err("fio: %s is not a directory\n", td->o.directory);
620 td_verror(td, ret, "lstat");
623 if (!S_ISDIR(sb.st_mode)) {
624 log_err("fio: %s is not a directory\n", td->o.directory);
631 static int str_opendir_cb(void *data, const char fio_unused *str)
633 struct thread_data *td = data;
635 if (!td->files_index)
638 return add_dir_files(td, td->o.opendir);
641 static int str_verify_offset_cb(void *data, unsigned long long *off)
643 struct thread_data *td = data;
645 if (*off && *off < sizeof(struct verify_header)) {
646 log_err("fio: verify_offset too small\n");
650 td->o.verify_offset = *off;
654 static int str_verify_pattern_cb(void *data, const char *input)
656 struct thread_data *td = data;
658 int i = 0, j = 0, len, k, base = 10;
661 loc1 = strstr(input, "0x");
662 loc2 = strstr(input, "0X");
665 off = strtol(input, NULL, base);
666 if (off != LONG_MAX || errno != ERANGE) {
668 td->o.verify_pattern[i] = off & 0xff;
677 j = loc1 - input + 2;
679 j = loc2 - input + 2;
682 if (len - j < MAX_PATTERN_SIZE * 2) {
684 off = converthexchartoint(input[k--]);
686 off += (converthexchartoint(input[k--])
688 td->o.verify_pattern[i++] = (char) off;
692 td->o.verify_pattern_bytes = i;
694 * VERIFY_META could already be set
696 if (td->o.verify == VERIFY_NONE)
697 td->o.verify = VERIFY_PATTERN;
701 static int str_lockfile_cb(void *data, const char *str)
703 struct thread_data *td = data;
704 char *nr = get_opt_postfix(str);
706 td->o.lockfile_batch = 1;
708 td->o.lockfile_batch = atoi(nr);
715 static int str_write_bw_log_cb(void *data, const char *str)
717 struct thread_data *td = data;
720 td->o.bw_log_file = strdup(str);
722 td->o.write_bw_log = 1;
726 static int str_write_lat_log_cb(void *data, const char *str)
728 struct thread_data *td = data;
731 td->o.lat_log_file = strdup(str);
733 td->o.write_lat_log = 1;
737 static int str_gtod_reduce_cb(void *data, int *il)
739 struct thread_data *td = data;
742 td->o.disable_lat = !!val;
743 td->o.disable_clat = !!val;
744 td->o.disable_slat = !!val;
745 td->o.disable_bw = !!val;
747 td->tv_cache_mask = 63;
752 static int str_gtod_cpu_cb(void *data, long long *il)
754 struct thread_data *td = data;
757 td->o.gtod_cpu = val;
758 td->o.gtod_offload = 1;
762 static int str_size_cb(void *data, unsigned long long *__val)
764 struct thread_data *td = data;
765 unsigned long long v = *__val;
767 if (parse_is_percent(v)) {
769 td->o.size_percent = -1ULL - v;
776 static int rw_verify(struct fio_option *o, void *data)
778 struct thread_data *td = data;
780 if (read_only && td_write(td)) {
781 log_err("fio: job <%s> has write bit set, but fio is in"
782 " read-only mode\n", td->o.name);
789 static int gtod_cpu_verify(struct fio_option *o, void *data)
791 #ifndef FIO_HAVE_CPU_AFFINITY
792 struct thread_data *td = data;
794 if (td->o.gtod_cpu) {
795 log_err("fio: platform must support CPU affinity for"
796 "gettimeofday() offloading\n");
804 static int kb_base_verify(struct fio_option *o, void *data)
806 struct thread_data *td = data;
808 if (td->o.kb_base != 1024 && td->o.kb_base != 1000) {
809 log_err("fio: kb_base set to nonsensical value: %u\n",
817 #define __stringify_1(x) #x
818 #define __stringify(x) __stringify_1(x)
821 * Map of job/command line options
823 static struct fio_option options[FIO_MAX_OPTS] = {
825 .name = "description",
826 .type = FIO_OPT_STR_STORE,
827 .off1 = td_var_offset(description),
828 .help = "Text job description",
832 .type = FIO_OPT_STR_STORE,
833 .off1 = td_var_offset(name),
834 .help = "Name of this job",
838 .type = FIO_OPT_STR_STORE,
839 .off1 = td_var_offset(directory),
840 .cb = str_directory_cb,
841 .help = "Directory to store files in",
845 .type = FIO_OPT_STR_STORE,
846 .off1 = td_var_offset(filename),
847 .cb = str_filename_cb,
848 .prio = -1, /* must come after "directory" */
849 .help = "File(s) to use for the workload",
854 .off1 = td_var_offset(kb_base),
855 .verify = kb_base_verify,
858 .help = "How many bytes per KB for reporting (1000 or 1024)",
863 .cb = str_lockfile_cb,
864 .off1 = td_var_offset(file_lock_mode),
865 .help = "Lock file when doing IO to it",
866 .parent = "filename",
870 .oval = FILE_LOCK_NONE,
871 .help = "No file locking",
873 { .ival = "exclusive",
874 .oval = FILE_LOCK_EXCLUSIVE,
875 .help = "Exclusive file lock",
879 .oval = FILE_LOCK_READWRITE,
880 .help = "Read vs write lock",
886 .type = FIO_OPT_STR_STORE,
887 .off1 = td_var_offset(opendir),
888 .cb = str_opendir_cb,
889 .help = "Recursively add files from this directory and down",
893 .alias = "readwrite",
896 .off1 = td_var_offset(td_ddir),
897 .help = "IO direction",
902 .oval = TD_DDIR_READ,
903 .help = "Sequential read",
906 .oval = TD_DDIR_WRITE,
907 .help = "Sequential write",
909 { .ival = "randread",
910 .oval = TD_DDIR_RANDREAD,
911 .help = "Random read",
913 { .ival = "randwrite",
914 .oval = TD_DDIR_RANDWRITE,
915 .help = "Random write",
919 .help = "Sequential read and write mix",
922 .oval = TD_DDIR_RANDRW,
923 .help = "Random read and write mix"
928 .name = "rw_sequencer",
930 .off1 = td_var_offset(rw_seq),
931 .help = "IO offset generator modifier",
934 { .ival = "sequential",
936 .help = "Generate sequential offsets",
938 { .ival = "identical",
939 .oval = RW_SEQ_IDENT,
940 .help = "Generate identical offsets",
947 .type = FIO_OPT_STR_STORE,
948 .off1 = td_var_offset(ioengine),
949 .help = "IO engine to use",
950 .def = FIO_PREFERRED_ENGINE,
953 .help = "Use read/write",
956 .help = "Use pread/pwrite",
959 .help = "Use readv/writev",
961 #ifdef FIO_HAVE_LIBAIO
963 .help = "Linux native asynchronous IO",
966 #ifdef FIO_HAVE_POSIXAIO
967 { .ival = "posixaio",
968 .help = "POSIX asynchronous IO",
971 #ifdef FIO_HAVE_SOLARISAIO
972 { .ival = "solarisaio",
973 .help = "Solaris native asynchronous IO",
976 #ifdef FIO_HAVE_WINDOWSAIO
977 { .ival = "windowsaio",
978 .help = "Windows native asynchronous IO"
982 .help = "Memory mapped IO"
984 #ifdef FIO_HAVE_SPLICE
986 .help = "splice/vmsplice based IO",
988 { .ival = "netsplice",
989 .help = "splice/vmsplice to/from the network",
994 .help = "SCSI generic v3 IO",
998 .help = "Testing engine (no data transfer)",
1001 .help = "Network IO",
1003 #ifdef FIO_HAVE_SYSLET
1004 { .ival = "syslet-rw",
1005 .help = "syslet enabled async pread/pwrite IO",
1009 .help = "CPU cycle burner engine",
1011 #ifdef FIO_HAVE_GUASI
1013 .help = "GUASI IO engine",
1016 #ifdef FIO_HAVE_BINJECT
1017 { .ival = "binject",
1018 .help = "binject direct inject block engine",
1021 #ifdef FIO_HAVE_RDMA
1023 .help = "RDMA IO engine",
1026 { .ival = "external",
1027 .help = "Load external engine (append name)",
1033 .type = FIO_OPT_INT,
1034 .off1 = td_var_offset(iodepth),
1035 .help = "Number of IO buffers to keep in flight",
1040 .name = "iodepth_batch",
1041 .alias = "iodepth_batch_submit",
1042 .type = FIO_OPT_INT,
1043 .off1 = td_var_offset(iodepth_batch),
1044 .help = "Number of IO buffers to submit in one go",
1045 .parent = "iodepth",
1050 .name = "iodepth_batch_complete",
1051 .type = FIO_OPT_INT,
1052 .off1 = td_var_offset(iodepth_batch_complete),
1053 .help = "Number of IO buffers to retrieve in one go",
1054 .parent = "iodepth",
1059 .name = "iodepth_low",
1060 .type = FIO_OPT_INT,
1061 .off1 = td_var_offset(iodepth_low),
1062 .help = "Low water mark for queuing depth",
1063 .parent = "iodepth",
1067 .type = FIO_OPT_STR_VAL,
1069 .help = "Total size of device or files",
1072 .name = "fill_device",
1074 .type = FIO_OPT_BOOL,
1075 .off1 = td_var_offset(fill_device),
1076 .help = "Write until an ENOSPC error occurs",
1081 .type = FIO_OPT_STR_VAL,
1082 .off1 = td_var_offset(file_size_low),
1083 .off2 = td_var_offset(file_size_high),
1085 .help = "Size of individual files",
1089 .alias = "fileoffset",
1090 .type = FIO_OPT_STR_VAL,
1091 .off1 = td_var_offset(start_offset),
1092 .help = "Start IO from this offset",
1097 .alias = "blocksize",
1098 .type = FIO_OPT_INT,
1099 .off1 = td_var_offset(bs[DDIR_READ]),
1100 .off2 = td_var_offset(bs[DDIR_WRITE]),
1102 .help = "Block size unit",
1108 .alias = "blockalign",
1109 .type = FIO_OPT_INT,
1110 .off1 = td_var_offset(ba[DDIR_READ]),
1111 .off2 = td_var_offset(ba[DDIR_WRITE]),
1113 .help = "IO block offset alignment",
1118 .alias = "blocksize_range",
1119 .type = FIO_OPT_RANGE,
1120 .off1 = td_var_offset(min_bs[DDIR_READ]),
1121 .off2 = td_var_offset(max_bs[DDIR_READ]),
1122 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1123 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1125 .help = "Set block size range (in more detail than bs)",
1130 .type = FIO_OPT_STR,
1131 .cb = str_bssplit_cb,
1132 .help = "Set a specific mix of block sizes",
1136 .name = "bs_unaligned",
1137 .alias = "blocksize_unaligned",
1138 .type = FIO_OPT_STR_SET,
1139 .off1 = td_var_offset(bs_unaligned),
1140 .help = "Don't sector align IO buffer sizes",
1144 .name = "randrepeat",
1145 .type = FIO_OPT_BOOL,
1146 .off1 = td_var_offset(rand_repeatable),
1147 .help = "Use repeatable random IO pattern",
1152 .name = "use_os_rand",
1153 .type = FIO_OPT_BOOL,
1154 .off1 = td_var_offset(use_os_rand),
1155 .help = "Set to use OS random generator",
1160 .name = "norandommap",
1161 .type = FIO_OPT_STR_SET,
1162 .off1 = td_var_offset(norandommap),
1163 .help = "Accept potential duplicate random blocks",
1167 .name = "softrandommap",
1168 .type = FIO_OPT_BOOL,
1169 .off1 = td_var_offset(softrandommap),
1170 .help = "Set norandommap if randommap allocation fails",
1171 .parent = "norandommap",
1176 .alias = "nr_files",
1177 .type = FIO_OPT_INT,
1178 .off1 = td_var_offset(nr_files),
1179 .help = "Split job workload between this number of files",
1183 .name = "openfiles",
1184 .type = FIO_OPT_INT,
1185 .off1 = td_var_offset(open_files),
1186 .help = "Number of files to keep open at the same time",
1189 .name = "file_service_type",
1190 .type = FIO_OPT_STR,
1192 .off1 = td_var_offset(file_service_type),
1193 .help = "How to select which file to service next",
1194 .def = "roundrobin",
1197 .oval = FIO_FSERVICE_RANDOM,
1198 .help = "Choose a file at random",
1200 { .ival = "roundrobin",
1201 .oval = FIO_FSERVICE_RR,
1202 .help = "Round robin select files",
1204 { .ival = "sequential",
1205 .oval = FIO_FSERVICE_SEQ,
1206 .help = "Finish one file before moving to the next",
1209 .parent = "nrfiles",
1211 #ifdef FIO_HAVE_FALLOCATE
1213 .name = "fallocate",
1214 .type = FIO_OPT_STR,
1215 .off1 = td_var_offset(fallocate_mode),
1216 .help = "Whether pre-allocation is performed when laying out files",
1220 .oval = FIO_FALLOCATE_NONE,
1221 .help = "Do not pre-allocate space",
1224 .oval = FIO_FALLOCATE_POSIX,
1225 .help = "Use posix_fallocate()",
1227 #ifdef FIO_HAVE_LINUX_FALLOCATE
1229 .oval = FIO_FALLOCATE_KEEP_SIZE,
1230 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1233 /* Compatibility with former boolean values */
1235 .oval = FIO_FALLOCATE_NONE,
1236 .help = "Alias for 'none'",
1239 .oval = FIO_FALLOCATE_POSIX,
1240 .help = "Alias for 'posix'",
1244 #endif /* FIO_HAVE_FALLOCATE */
1246 .name = "fadvise_hint",
1247 .type = FIO_OPT_BOOL,
1248 .off1 = td_var_offset(fadvise_hint),
1249 .help = "Use fadvise() to advise the kernel on IO pattern",
1254 .type = FIO_OPT_INT,
1255 .off1 = td_var_offset(fsync_blocks),
1256 .help = "Issue fsync for writes every given number of blocks",
1260 .name = "fdatasync",
1261 .type = FIO_OPT_INT,
1262 .off1 = td_var_offset(fdatasync_blocks),
1263 .help = "Issue fdatasync for writes every given number of blocks",
1267 .name = "write_barrier",
1268 .type = FIO_OPT_INT,
1269 .off1 = td_var_offset(barrier_blocks),
1270 .help = "Make every Nth write a barrier write",
1273 #ifdef FIO_HAVE_SYNC_FILE_RANGE
1275 .name = "sync_file_range",
1277 { .ival = "wait_before",
1278 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1279 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
1283 .oval = SYNC_FILE_RANGE_WRITE,
1284 .help = "SYNC_FILE_RANGE_WRITE",
1288 .ival = "wait_after",
1289 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1290 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
1294 .type = FIO_OPT_STR_MULTI,
1296 .off1 = td_var_offset(sync_file_range),
1297 .help = "Use sync_file_range()",
1302 .type = FIO_OPT_BOOL,
1303 .off1 = td_var_offset(odirect),
1304 .help = "Use O_DIRECT IO (negates buffered)",
1309 .type = FIO_OPT_BOOL,
1310 .off1 = td_var_offset(odirect),
1312 .help = "Use buffered IO (negates direct)",
1316 .name = "overwrite",
1317 .type = FIO_OPT_BOOL,
1318 .off1 = td_var_offset(overwrite),
1319 .help = "When writing, set whether to overwrite current data",
1324 .type = FIO_OPT_INT,
1325 .off1 = td_var_offset(loops),
1326 .help = "Number of times to run the job",
1331 .type = FIO_OPT_INT,
1332 .off1 = td_var_offset(numjobs),
1333 .help = "Duplicate this job this many times",
1337 .name = "startdelay",
1338 .type = FIO_OPT_STR_VAL_TIME,
1339 .off1 = td_var_offset(start_delay),
1340 .help = "Only start job when this period has passed",
1346 .type = FIO_OPT_STR_VAL_TIME,
1347 .off1 = td_var_offset(timeout),
1348 .help = "Stop workload when this amount of time has passed",
1352 .name = "time_based",
1353 .type = FIO_OPT_STR_SET,
1354 .off1 = td_var_offset(time_based),
1355 .help = "Keep running until runtime/timeout is met",
1358 .name = "ramp_time",
1359 .type = FIO_OPT_STR_VAL_TIME,
1360 .off1 = td_var_offset(ramp_time),
1361 .help = "Ramp up time before measuring performance",
1364 .name = "clocksource",
1365 .type = FIO_OPT_STR,
1366 .cb = fio_clock_source_cb,
1367 .off1 = td_var_offset(clocksource),
1368 .help = "What type of timing source to use",
1370 { .ival = "gettimeofday",
1372 .help = "Use gettimeofday(2) for timing",
1374 { .ival = "clock_gettime",
1375 .oval = CS_CGETTIME,
1376 .help = "Use clock_gettime(2) for timing",
1378 #ifdef ARCH_HAVE_CPU_CLOCK
1380 .oval = CS_CPUCLOCK,
1381 .help = "Use CPU private clock",
1389 .type = FIO_OPT_STR,
1391 .off1 = td_var_offset(mem_type),
1392 .help = "Backing type for IO buffers",
1397 .help = "Use malloc(3) for IO buffers",
1401 .help = "Use shared memory segments for IO buffers",
1403 #ifdef FIO_HAVE_HUGETLB
1404 { .ival = "shmhuge",
1405 .oval = MEM_SHMHUGE,
1406 .help = "Like shm, but use huge pages",
1411 .help = "Use mmap(2) (file or anon) for IO buffers",
1413 #ifdef FIO_HAVE_HUGETLB
1414 { .ival = "mmaphuge",
1415 .oval = MEM_MMAPHUGE,
1416 .help = "Like mmap, but use huge pages",
1422 .name = "iomem_align",
1423 .alias = "mem_align",
1424 .type = FIO_OPT_INT,
1425 .off1 = td_var_offset(mem_align),
1427 .help = "IO memory buffer offset alignment",
1433 .type = FIO_OPT_STR,
1434 .off1 = td_var_offset(verify),
1435 .help = "Verify data written",
1436 .cb = str_verify_cb,
1440 .oval = VERIFY_NONE,
1441 .help = "Don't do IO verification",
1445 .help = "Use md5 checksums for verification",
1448 .oval = VERIFY_CRC64,
1449 .help = "Use crc64 checksums for verification",
1452 .oval = VERIFY_CRC32,
1453 .help = "Use crc32 checksums for verification",
1455 { .ival = "crc32c-intel",
1456 .oval = VERIFY_CRC32C_INTEL,
1457 .help = "Use hw crc32c checksums for verification",
1460 .oval = VERIFY_CRC32C,
1461 .help = "Use crc32c checksums for verification",
1464 .oval = VERIFY_CRC16,
1465 .help = "Use crc16 checksums for verification",
1468 .oval = VERIFY_CRC7,
1469 .help = "Use crc7 checksums for verification",
1472 .oval = VERIFY_SHA1,
1473 .help = "Use sha1 checksums for verification",
1476 .oval = VERIFY_SHA256,
1477 .help = "Use sha256 checksums for verification",
1480 .oval = VERIFY_SHA512,
1481 .help = "Use sha512 checksums for verification",
1484 .oval = VERIFY_META,
1485 .help = "Use io information",
1489 .oval = VERIFY_NULL,
1490 .help = "Pretend to verify",
1495 .name = "do_verify",
1496 .type = FIO_OPT_BOOL,
1497 .off1 = td_var_offset(do_verify),
1498 .help = "Run verification stage after write",
1503 .name = "verifysort",
1504 .type = FIO_OPT_BOOL,
1505 .off1 = td_var_offset(verifysort),
1506 .help = "Sort written verify blocks for read back",
1511 .name = "verify_interval",
1512 .type = FIO_OPT_INT,
1513 .off1 = td_var_offset(verify_interval),
1514 .minval = 2 * sizeof(struct verify_header),
1515 .help = "Store verify buffer header every N bytes",
1519 .name = "verify_offset",
1520 .type = FIO_OPT_INT,
1521 .help = "Offset verify header location by N bytes",
1523 .cb = str_verify_offset_cb,
1527 .name = "verify_pattern",
1528 .type = FIO_OPT_STR,
1529 .cb = str_verify_pattern_cb,
1530 .help = "Fill pattern for IO buffers",
1534 .name = "verify_fatal",
1535 .type = FIO_OPT_BOOL,
1536 .off1 = td_var_offset(verify_fatal),
1538 .help = "Exit on a single verify failure, don't continue",
1542 .name = "verify_dump",
1543 .type = FIO_OPT_BOOL,
1544 .off1 = td_var_offset(verify_dump),
1546 .help = "Dump contents of good and bad blocks on failure",
1550 .name = "verify_async",
1551 .type = FIO_OPT_INT,
1552 .off1 = td_var_offset(verify_async),
1554 .help = "Number of async verifier threads to use",
1558 .name = "verify_backlog",
1559 .type = FIO_OPT_STR_VAL,
1560 .off1 = td_var_offset(verify_backlog),
1561 .help = "Verify after this number of blocks are written",
1565 .name = "verify_backlog_batch",
1566 .type = FIO_OPT_INT,
1567 .off1 = td_var_offset(verify_batch),
1568 .help = "Verify this number of IO blocks",
1571 #ifdef FIO_HAVE_CPU_AFFINITY
1573 .name = "verify_async_cpus",
1574 .type = FIO_OPT_STR,
1575 .cb = str_verify_cpus_allowed_cb,
1576 .help = "Set CPUs allowed for async verify threads",
1577 .parent = "verify_async",
1580 #ifdef FIO_HAVE_TRIM
1582 .name = "trim_percentage",
1583 .type = FIO_OPT_INT,
1584 .cb = str_verify_trim_cb,
1586 .help = "Number of verify blocks to discard/trim",
1591 .name = "trim_verify_zero",
1592 .type = FIO_OPT_INT,
1593 .help = "Verify that trim/discarded blocks are returned as zeroes",
1594 .off1 = td_var_offset(trim_zero),
1595 .parent = "trim_percentage",
1599 .name = "trim_backlog",
1600 .type = FIO_OPT_STR_VAL,
1601 .off1 = td_var_offset(trim_backlog),
1602 .help = "Trim after this number of blocks are written",
1603 .parent = "trim_percentage",
1606 .name = "trim_backlog_batch",
1607 .type = FIO_OPT_INT,
1608 .off1 = td_var_offset(trim_batch),
1609 .help = "Trim this number of IO blocks",
1610 .parent = "trim_percentage",
1614 .name = "write_iolog",
1615 .type = FIO_OPT_STR_STORE,
1616 .off1 = td_var_offset(write_iolog_file),
1617 .help = "Store IO pattern to file",
1620 .name = "read_iolog",
1621 .type = FIO_OPT_STR_STORE,
1622 .off1 = td_var_offset(read_iolog_file),
1623 .help = "Playback IO pattern from file",
1626 .name = "replay_no_stall",
1627 .type = FIO_OPT_INT,
1628 .off1 = td_var_offset(no_stall),
1630 .parent = "read_iolog",
1631 .help = "Playback IO pattern file as fast as possible without stalls",
1634 .name = "replay_redirect",
1635 .type = FIO_OPT_STR_STORE,
1636 .off1 = td_var_offset(replay_redirect),
1637 .parent = "read_iolog",
1638 .help = "Replay all I/O onto this device, regardless of trace device",
1641 .name = "exec_prerun",
1642 .type = FIO_OPT_STR_STORE,
1643 .off1 = td_var_offset(exec_prerun),
1644 .help = "Execute this file prior to running job",
1647 .name = "exec_postrun",
1648 .type = FIO_OPT_STR_STORE,
1649 .off1 = td_var_offset(exec_postrun),
1650 .help = "Execute this file after running job",
1652 #ifdef FIO_HAVE_IOSCHED_SWITCH
1654 .name = "ioscheduler",
1655 .type = FIO_OPT_STR_STORE,
1656 .off1 = td_var_offset(ioscheduler),
1657 .help = "Use this IO scheduler on the backing device",
1662 .type = FIO_OPT_STR_VAL,
1663 .off1 = td_var_offset(zone_size),
1664 .help = "Give size of an IO zone",
1669 .type = FIO_OPT_STR_VAL,
1670 .off1 = td_var_offset(zone_skip),
1671 .help = "Space between IO zones",
1676 .type = FIO_OPT_STR_VAL,
1677 .cb = str_lockmem_cb,
1678 .help = "Lock down this amount of memory",
1682 .name = "rwmixread",
1683 .type = FIO_OPT_INT,
1684 .cb = str_rwmix_read_cb,
1686 .help = "Percentage of mixed workload that is reads",
1690 .name = "rwmixwrite",
1691 .type = FIO_OPT_INT,
1692 .cb = str_rwmix_write_cb,
1694 .help = "Percentage of mixed workload that is writes",
1698 .name = "rwmixcycle",
1699 .type = FIO_OPT_DEPRECATED,
1703 .type = FIO_OPT_INT,
1704 .off1 = td_var_offset(nice),
1705 .help = "Set job CPU nice value",
1710 #ifdef FIO_HAVE_IOPRIO
1713 .type = FIO_OPT_INT,
1715 .help = "Set job IO priority value",
1720 .name = "prioclass",
1721 .type = FIO_OPT_INT,
1722 .cb = str_prioclass_cb,
1723 .help = "Set job IO priority class",
1729 .name = "thinktime",
1730 .type = FIO_OPT_INT,
1731 .off1 = td_var_offset(thinktime),
1732 .help = "Idle time between IO buffers (usec)",
1736 .name = "thinktime_spin",
1737 .type = FIO_OPT_INT,
1738 .off1 = td_var_offset(thinktime_spin),
1739 .help = "Start think time by spinning this amount (usec)",
1741 .parent = "thinktime",
1744 .name = "thinktime_blocks",
1745 .type = FIO_OPT_INT,
1746 .off1 = td_var_offset(thinktime_blocks),
1747 .help = "IO buffer period between 'thinktime'",
1749 .parent = "thinktime",
1753 .type = FIO_OPT_INT,
1754 .off1 = td_var_offset(rate[0]),
1755 .off2 = td_var_offset(rate[1]),
1756 .help = "Set bandwidth rate",
1760 .type = FIO_OPT_INT,
1761 .off1 = td_var_offset(ratemin[0]),
1762 .off2 = td_var_offset(ratemin[1]),
1763 .help = "Job must meet this rate or it will be shutdown",
1767 .name = "rate_iops",
1768 .type = FIO_OPT_INT,
1769 .off1 = td_var_offset(rate_iops[0]),
1770 .off2 = td_var_offset(rate_iops[1]),
1771 .help = "Limit IO used to this number of IO operations/sec",
1774 .name = "rate_iops_min",
1775 .type = FIO_OPT_INT,
1776 .off1 = td_var_offset(rate_iops_min[0]),
1777 .off2 = td_var_offset(rate_iops_min[1]),
1778 .help = "Job must meet this rate or it will be shut down",
1779 .parent = "rate_iops",
1782 .name = "ratecycle",
1783 .type = FIO_OPT_INT,
1784 .off1 = td_var_offset(ratecycle),
1785 .help = "Window average for rate limits (msec)",
1790 .name = "invalidate",
1791 .type = FIO_OPT_BOOL,
1792 .off1 = td_var_offset(invalidate_cache),
1793 .help = "Invalidate buffer/page cache prior to running job",
1798 .type = FIO_OPT_BOOL,
1799 .off1 = td_var_offset(sync_io),
1800 .help = "Use O_SYNC for buffered writes",
1802 .parent = "buffered",
1805 .name = "bwavgtime",
1806 .type = FIO_OPT_INT,
1807 .off1 = td_var_offset(bw_avg_time),
1808 .help = "Time window over which to calculate bandwidth"
1813 .name = "create_serialize",
1814 .type = FIO_OPT_BOOL,
1815 .off1 = td_var_offset(create_serialize),
1816 .help = "Serialize creating of job files",
1820 .name = "create_fsync",
1821 .type = FIO_OPT_BOOL,
1822 .off1 = td_var_offset(create_fsync),
1823 .help = "fsync file after creation",
1827 .name = "create_on_open",
1828 .type = FIO_OPT_BOOL,
1829 .off1 = td_var_offset(create_on_open),
1830 .help = "Create files when they are opened for IO",
1835 .type = FIO_OPT_BOOL,
1836 .off1 = td_var_offset(pre_read),
1837 .help = "Pre-read files before starting official testing",
1842 .type = FIO_OPT_INT,
1843 .off1 = td_var_offset(cpuload),
1844 .help = "Use this percentage of CPU",
1847 .name = "cpuchunks",
1848 .type = FIO_OPT_INT,
1849 .off1 = td_var_offset(cpucycle),
1850 .help = "Length of the CPU burn cycles (usecs)",
1852 .parent = "cpuload",
1854 #ifdef FIO_HAVE_CPU_AFFINITY
1857 .type = FIO_OPT_INT,
1858 .cb = str_cpumask_cb,
1859 .help = "CPU affinity mask",
1862 .name = "cpus_allowed",
1863 .type = FIO_OPT_STR,
1864 .cb = str_cpus_allowed_cb,
1865 .help = "Set CPUs allowed",
1869 .name = "end_fsync",
1870 .type = FIO_OPT_BOOL,
1871 .off1 = td_var_offset(end_fsync),
1872 .help = "Include fsync at the end of job",
1876 .name = "fsync_on_close",
1877 .type = FIO_OPT_BOOL,
1878 .off1 = td_var_offset(fsync_on_close),
1879 .help = "fsync files on close",
1884 .type = FIO_OPT_BOOL,
1885 .off1 = td_var_offset(unlink),
1886 .help = "Unlink created files after job has completed",
1891 .type = FIO_OPT_STR_SET,
1892 .cb = str_exitall_cb,
1893 .help = "Terminate all jobs when one exits",
1896 .name = "stonewall",
1897 .alias = "wait_for_previous",
1898 .type = FIO_OPT_STR_SET,
1899 .off1 = td_var_offset(stonewall),
1900 .help = "Insert a hard barrier between this job and previous",
1903 .name = "new_group",
1904 .type = FIO_OPT_STR_SET,
1905 .off1 = td_var_offset(new_group),
1906 .help = "Mark the start of a new group (for reporting)",
1910 .type = FIO_OPT_STR_SET,
1911 .off1 = td_var_offset(use_thread),
1912 .help = "Use threads instead of forks",
1915 .name = "write_bw_log",
1916 .type = FIO_OPT_STR,
1917 .off1 = td_var_offset(write_bw_log),
1918 .cb = str_write_bw_log_cb,
1919 .help = "Write log of bandwidth during run",
1922 .name = "write_lat_log",
1923 .type = FIO_OPT_STR,
1924 .off1 = td_var_offset(write_lat_log),
1925 .cb = str_write_lat_log_cb,
1926 .help = "Write log of latency during run",
1929 .name = "hugepage-size",
1930 .type = FIO_OPT_INT,
1931 .off1 = td_var_offset(hugepage_size),
1932 .help = "When using hugepages, specify size of each page",
1933 .def = __stringify(FIO_HUGE_PAGE),
1936 .name = "group_reporting",
1937 .type = FIO_OPT_STR_SET,
1938 .off1 = td_var_offset(group_reporting),
1939 .help = "Do reporting on a per-group basis",
1942 .name = "zero_buffers",
1943 .type = FIO_OPT_STR_SET,
1944 .off1 = td_var_offset(zero_buffers),
1945 .help = "Init IO buffers to all zeroes",
1948 .name = "refill_buffers",
1949 .type = FIO_OPT_STR_SET,
1950 .off1 = td_var_offset(refill_buffers),
1951 .help = "Refill IO buffers on every IO submit",
1954 .name = "clat_percentiles",
1955 .type = FIO_OPT_BOOL,
1956 .off1 = td_var_offset(clat_percentiles),
1957 .help = "Enable the reporting of completion latency percentiles",
1961 .name = "percentile_list",
1962 .type = FIO_OPT_FLOAT_LIST,
1963 .off1 = td_var_offset(percentile_list),
1964 .off2 = td_var_offset(overwrite_plist),
1965 .help = "Specify a custom list of percentiles to report",
1966 .maxlen = FIO_IO_U_LIST_MAX_LEN,
1971 #ifdef FIO_HAVE_DISK_UTIL
1973 .name = "disk_util",
1974 .type = FIO_OPT_BOOL,
1975 .off1 = td_var_offset(do_disk_util),
1976 .help = "Log disk utilization statistics",
1981 .name = "gtod_reduce",
1982 .type = FIO_OPT_BOOL,
1983 .help = "Greatly reduce number of gettimeofday() calls",
1984 .cb = str_gtod_reduce_cb,
1988 .name = "disable_lat",
1989 .type = FIO_OPT_BOOL,
1990 .off1 = td_var_offset(disable_lat),
1991 .help = "Disable latency numbers",
1992 .parent = "gtod_reduce",
1996 .name = "disable_clat",
1997 .type = FIO_OPT_BOOL,
1998 .off1 = td_var_offset(disable_clat),
1999 .help = "Disable completion latency numbers",
2000 .parent = "gtod_reduce",
2004 .name = "disable_slat",
2005 .type = FIO_OPT_BOOL,
2006 .off1 = td_var_offset(disable_slat),
2007 .help = "Disable submission latency numbers",
2008 .parent = "gtod_reduce",
2012 .name = "disable_bw_measurement",
2013 .type = FIO_OPT_BOOL,
2014 .off1 = td_var_offset(disable_bw),
2015 .help = "Disable bandwidth logging",
2016 .parent = "gtod_reduce",
2021 .type = FIO_OPT_INT,
2022 .cb = str_gtod_cpu_cb,
2023 .help = "Set up dedicated gettimeofday() thread on this CPU",
2024 .verify = gtod_cpu_verify,
2027 .name = "continue_on_error",
2028 .type = FIO_OPT_BOOL,
2029 .off1 = td_var_offset(continue_on_error),
2030 .help = "Continue on non-fatal errors during IO",
2035 .type = FIO_OPT_STR_STORE,
2036 .off1 = td_var_offset(profile),
2037 .help = "Select a specific builtin performance test",
2041 .type = FIO_OPT_STR_STORE,
2042 .off1 = td_var_offset(cgroup),
2043 .help = "Add job to cgroup of this name",
2046 .name = "cgroup_weight",
2047 .type = FIO_OPT_INT,
2048 .off1 = td_var_offset(cgroup_weight),
2049 .help = "Use given weight for cgroup",
2054 .name = "cgroup_nodelete",
2055 .type = FIO_OPT_BOOL,
2056 .off1 = td_var_offset(cgroup_nodelete),
2057 .help = "Do not delete cgroups after job completion",
2062 .type = FIO_OPT_INT,
2063 .off1 = td_var_offset(uid),
2064 .help = "Run job with this user ID",
2068 .type = FIO_OPT_INT,
2069 .off1 = td_var_offset(gid),
2070 .help = "Run job with this group ID",
2077 static void add_to_lopt(struct option *lopt, struct fio_option *o,
2080 lopt->name = (char *) name;
2081 lopt->val = FIO_GETOPT_JOB;
2082 if (o->type == FIO_OPT_STR_SET)
2083 lopt->has_arg = no_argument;
2085 lopt->has_arg = required_argument;
2088 void fio_options_dup_and_init(struct option *long_options)
2090 struct fio_option *o;
2093 options_init(options);
2096 while (long_options[i].name)
2101 add_to_lopt(&long_options[i], o, o->name);
2104 add_to_lopt(&long_options[i], o, o->alias);
2109 assert(i < FIO_NR_OPTIONS);
2113 struct fio_keyword {
2119 static struct fio_keyword fio_keywords[] = {
2121 .word = "$pagesize",
2122 .desc = "Page size in the system",
2125 .word = "$mb_memory",
2126 .desc = "Megabytes of memory online",
2130 .desc = "Number of CPUs online in the system",
2137 void fio_keywords_init(void)
2139 unsigned long long mb_memory;
2143 sprintf(buf, "%lu", page_size);
2144 fio_keywords[0].replace = strdup(buf);
2146 mb_memory = os_phys_mem() / (1024 * 1024);
2147 sprintf(buf, "%llu", mb_memory);
2148 fio_keywords[1].replace = strdup(buf);
2151 sprintf(buf, "%lu", l);
2152 fio_keywords[2].replace = strdup(buf);
2157 static char *bc_calc(char *str)
2159 char *buf, *tmp, opt[80];
2164 * No math, just return string
2166 if (!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
2171 * Split option from value, we only need to calculate the value
2173 tmp = strchr(str, '=');
2178 memset(opt, 0, sizeof(opt));
2179 strncpy(opt, str, tmp - str);
2183 sprintf(buf, "which %s > /dev/null", BC_APP);
2185 log_err("fio: bc is needed for performing math\n");
2190 sprintf(buf, "echo %s | %s", tmp, BC_APP);
2191 f = popen(buf, "r");
2197 ret = fread(buf, 1, 128, f);
2203 buf[ret - 1] = '\0';
2212 * Look for reserved variable names and replace them with real values
2214 static char *fio_keyword_replace(char *opt)
2219 for (i = 0; fio_keywords[i].word != NULL; i++) {
2220 struct fio_keyword *kw = &fio_keywords[i];
2222 while ((s = strstr(opt, kw->word)) != NULL) {
2223 char *new = malloc(strlen(opt) + 1);
2229 * Copy part of the string before the keyword and
2230 * sprintf() the replacement after it.
2232 memcpy(new, opt, olen);
2233 len = sprintf(new + olen, "%s", kw->replace);
2236 * If there's more in the original string, copy that
2239 opt += strlen(kw->word) + olen;
2241 memcpy(new + olen + len, opt, opt - o_org - 1);
2244 * replace opt and free the old opt
2250 * Check for potential math and invoke bc, if possible
2259 int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
2263 sort_options(opts, options, num_opts);
2265 for (ret = 0, i = 0; i < num_opts; i++) {
2266 opts[i] = fio_keyword_replace(opts[i]);
2267 ret |= parse_option(opts[i], options, td);
2273 int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
2275 return parse_cmd_option(opt, val, options, td);
2278 void fio_fill_default_options(struct thread_data *td)
2280 fill_default_options(td, options);
2283 int fio_show_option_help(const char *opt)
2285 return show_cmd_help(options, opt);
2288 static void __options_mem(struct thread_data *td, int alloc)
2290 struct thread_options *o = &td->o;
2291 struct fio_option *opt;
2295 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
2296 if (opt->type != FIO_OPT_STR_STORE)
2299 ptr = (void *) o + opt->off1;
2302 *ptr = strdup(*ptr);
2312 * dupe FIO_OPT_STR_STORE options
2314 void options_mem_dupe(struct thread_data *td)
2316 __options_mem(td, 1);
2319 void options_mem_free(struct thread_data fio_unused *td)
2322 __options_mem(td, 0);
2326 unsigned int fio_get_kb_base(void *data)
2328 struct thread_data *td = data;
2329 unsigned int kb_base = 0;
2332 kb_base = td->o.kb_base;
2339 int add_option(struct fio_option *o)
2341 struct fio_option *__o;
2350 memcpy(&options[opt_index], o, sizeof(*o));
2354 void invalidate_profile_options(const char *prof_name)
2356 struct fio_option *o;
2360 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
2361 o->type = FIO_OPT_INVALID;
2362 o->prof_name = NULL;
2368 void add_opt_posval(const char *optname, const char *ival, const char *help)
2370 struct fio_option *o;
2373 o = find_option(options, optname);
2377 for (i = 0; i < PARSE_MAX_VP; i++) {
2378 if (o->posval[i].ival)
2381 o->posval[i].ival = ival;
2382 o->posval[i].help = help;
2387 void del_opt_posval(const char *optname, const char *ival)
2389 struct fio_option *o;
2392 o = find_option(options, optname);
2396 for (i = 0; i < PARSE_MAX_VP; i++) {
2397 if (!o->posval[i].ival)
2399 if (strcmp(o->posval[i].ival, ival))
2402 o->posval[i].ival = NULL;
2403 o->posval[i].help = NULL;