| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <ctype.h> |
| #include <string.h> |
| #include <getopt.h> |
| #include <assert.h> |
| #include <libgen.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| #include "fio.h" |
| #include "parse.h" |
| #include "lib/fls.h" |
| |
| #define td_var_offset(var) ((size_t) &((struct thread_options *)0)->var) |
| |
| /* |
| * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. |
| */ |
| static char *get_opt_postfix(const char *str) |
| { |
| char *p = strstr(str, ":"); |
| |
| if (!p) |
| return NULL; |
| |
| p++; |
| strip_blank_front(&p); |
| strip_blank_end(p); |
| return strdup(p); |
| } |
| |
| static int bs_cmp(const void *p1, const void *p2) |
| { |
| const struct bssplit *bsp1 = p1; |
| const struct bssplit *bsp2 = p2; |
| |
| return bsp1->perc < bsp2->perc; |
| } |
| |
| static int str_bssplit_cb(void *data, const char *input) |
| { |
| struct thread_data *td = data; |
| char *fname, *str, *p; |
| unsigned int i, perc, perc_missing; |
| unsigned int max_bs, min_bs; |
| long long val; |
| |
| p = str = strdup(input); |
| |
| strip_blank_front(&str); |
| strip_blank_end(str); |
| |
| td->o.bssplit_nr = 4; |
| td->o.bssplit = malloc(4 * sizeof(struct bssplit)); |
| |
| i = 0; |
| max_bs = 0; |
| min_bs = -1; |
| while ((fname = strsep(&str, ":")) != NULL) { |
| char *perc_str; |
| |
| if (!strlen(fname)) |
| break; |
| |
| /* |
| * grow struct buffer, if needed |
| */ |
| if (i == td->o.bssplit_nr) { |
| td->o.bssplit_nr <<= 1; |
| td->o.bssplit = realloc(td->o.bssplit, |
| td->o.bssplit_nr |
| * sizeof(struct bssplit)); |
| } |
| |
| perc_str = strstr(fname, "/"); |
| if (perc_str) { |
| *perc_str = '\0'; |
| perc_str++; |
| perc = atoi(perc_str); |
| if (perc > 100) |
| perc = 100; |
| else if (!perc) |
| perc = -1; |
| } else |
| perc = -1; |
| |
| if (str_to_decimal(fname, &val, 1)) { |
| log_err("fio: bssplit conversion failed\n"); |
| free(td->o.bssplit); |
| return 1; |
| } |
| |
| if (val > max_bs) |
| max_bs = val; |
| if (val < min_bs) |
| min_bs = val; |
| |
| td->o.bssplit[i].bs = val; |
| td->o.bssplit[i].perc = perc; |
| i++; |
| } |
| |
| td->o.bssplit_nr = i; |
| |
| /* |
| * Now check if the percentages add up, and how much is missing |
| */ |
| perc = perc_missing = 0; |
| for (i = 0; i < td->o.bssplit_nr; i++) { |
| struct bssplit *bsp = &td->o.bssplit[i]; |
| |
| if (bsp->perc == (unsigned char) -1) |
| perc_missing++; |
| else |
| perc += bsp->perc; |
| } |
| |
| if (perc > 100) { |
| log_err("fio: bssplit percentages add to more than 100%%\n"); |
| free(td->o.bssplit); |
| return 1; |
| } |
| /* |
| * If values didn't have a percentage set, divide the remains between |
| * them. |
| */ |
| if (perc_missing) { |
| for (i = 0; i < td->o.bssplit_nr; i++) { |
| struct bssplit *bsp = &td->o.bssplit[i]; |
| |
| if (bsp->perc == (unsigned char) -1) |
| bsp->perc = (100 - perc) / perc_missing; |
| } |
| } |
| |
| td->o.min_bs[DDIR_READ] = td->o.min_bs[DDIR_WRITE] = min_bs; |
| td->o.max_bs[DDIR_READ] = td->o.max_bs[DDIR_WRITE] = max_bs; |
| |
| /* |
| * now sort based on percentages, for ease of lookup |
| */ |
| qsort(td->o.bssplit, td->o.bssplit_nr, sizeof(struct bssplit), bs_cmp); |
| |
| free(p); |
| return 0; |
| } |
| |
| static int str_rw_cb(void *data, const char *str) |
| { |
| struct thread_data *td = data; |
| char *nr = get_opt_postfix(str); |
| |
| td->o.ddir_nr = 1; |
| if (nr) { |
| td->o.ddir_nr = atoi(nr); |
| free(nr); |
| } |
| |
| return 0; |
| } |
| |
| static int str_mem_cb(void *data, const char *mem) |
| { |
| struct thread_data *td = data; |
| |
| if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) { |
| td->mmapfile = get_opt_postfix(mem); |
| if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
| log_err("fio: mmaphuge:/path/to/file\n"); |
| return 1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
| { |
| mlock_size = *val; |
| return 0; |
| } |
| |
| static int str_rwmix_read_cb(void *data, unsigned int *val) |
| { |
| struct thread_data *td = data; |
| |
| td->o.rwmix[DDIR_READ] = *val; |
| td->o.rwmix[DDIR_WRITE] = 100 - *val; |
| return 0; |
| } |
| |
| static int str_rwmix_write_cb(void *data, unsigned int *val) |
| { |
| struct thread_data *td = data; |
| |
| td->o.rwmix[DDIR_WRITE] = *val; |
| td->o.rwmix[DDIR_READ] = 100 - *val; |
| return 0; |
| } |
| |
| #ifdef FIO_HAVE_IOPRIO |
| static int str_prioclass_cb(void *data, unsigned int *val) |
| { |
| struct thread_data *td = data; |
| unsigned short mask; |
| |
| /* |
| * mask off old class bits, str_prio_cb() may have set a default class |
| */ |
| mask = (1 << IOPRIO_CLASS_SHIFT) - 1; |
| td->ioprio &= mask; |
| |
| td->ioprio |= *val << IOPRIO_CLASS_SHIFT; |
| td->ioprio_set = 1; |
| return 0; |
| } |
| |
| static int str_prio_cb(void *data, unsigned int *val) |
| { |
| struct thread_data *td = data; |
| |
| td->ioprio |= *val; |
| |
| /* |
| * If no class is set, assume BE |
| */ |
| if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0) |
| td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT; |
| |
| td->ioprio_set = 1; |
| return 0; |
| } |
| #endif |
| |
| static int str_exitall_cb(void) |
| { |
| exitall_on_terminate = 1; |
| return 0; |
| } |
| |
| #ifdef FIO_HAVE_CPU_AFFINITY |
| static int str_cpumask_cb(void *data, unsigned int *val) |
| { |
| struct thread_data *td = data; |
| unsigned int i; |
| long max_cpu; |
| int ret; |
| |
| ret = fio_cpuset_init(&td->o.cpumask); |
| if (ret < 0) { |
| log_err("fio: cpuset_init failed\n"); |
| td_verror(td, ret, "fio_cpuset_init"); |
| return 1; |
| } |
| |
| max_cpu = sysconf(_SC_NPROCESSORS_ONLN); |
| |
| for (i = 0; i < sizeof(int) * 8; i++) { |
| if ((1 << i) & *val) { |
| if (i > max_cpu) { |
| log_err("fio: CPU %d too large (max=%ld)\n", i, |
| max_cpu); |
| return 1; |
| } |
| dprint(FD_PARSE, "set cpu allowed %d\n", i); |
| fio_cpu_set(&td->o.cpumask, i); |
| } |
| } |
| |
| td->o.cpumask_set = 1; |
| return 0; |
| } |
| |
| static int str_cpus_allowed_cb(void *data, const char *input) |
| { |
| struct thread_data *td = data; |
| char *cpu, *str, *p; |
| long max_cpu; |
| int ret = 0; |
| |
| ret = fio_cpuset_init(&td->o.cpumask); |
| if (ret < 0) { |
| log_err("fio: cpuset_init failed\n"); |
| td_verror(td, ret, "fio_cpuset_init"); |
| return 1; |
| } |
| |
| p = str = strdup(input); |
| |
| strip_blank_front(&str); |
| strip_blank_end(str); |
| |
| max_cpu = sysconf(_SC_NPROCESSORS_ONLN); |
| |
| while ((cpu = strsep(&str, ",")) != NULL) { |
| char *str2, *cpu2; |
| int icpu, icpu2; |
| |
| if (!strlen(cpu)) |
| break; |
| |
| str2 = cpu; |
| icpu2 = -1; |
| while ((cpu2 = strsep(&str2, "-")) != NULL) { |
| if (!strlen(cpu2)) |
| break; |
| |
| icpu2 = atoi(cpu2); |
| } |
| |
| icpu = atoi(cpu); |
| if (icpu2 == -1) |
| icpu2 = icpu; |
| while (icpu <= icpu2) { |
| if (icpu >= FIO_MAX_CPUS) { |
| log_err("fio: your OS only supports up to" |
| " %d CPUs\n", (int) FIO_MAX_CPUS); |
| ret = 1; |
| break; |
| } |
| if (icpu > max_cpu) { |
| log_err("fio: CPU %d too large (max=%ld)\n", |
| icpu, max_cpu); |
| ret = 1; |
| break; |
| } |
| |
| dprint(FD_PARSE, "set cpu allowed %d\n", icpu); |
| fio_cpu_set(&td->o.cpumask, icpu); |
| icpu++; |
| } |
| if (ret) |
| break; |
| } |
| |
| free(p); |
| if (!ret) |
| td->o.cpumask_set = 1; |
| return ret; |
| } |
| #endif |
| |
| static int str_fst_cb(void *data, const char *str) |
| { |
| struct thread_data *td = data; |
| char *nr = get_opt_postfix(str); |
| |
| td->file_service_nr = 1; |
| if (nr) { |
| td->file_service_nr = atoi(nr); |
| free(nr); |
| } |
| |
| return 0; |
| } |
| |
| static int check_dir(struct thread_data *td, char *fname) |
| { |
| char file[PATH_MAX], *dir; |
| int elen = 0; |
| |
| if (td->o.directory) { |
| strcpy(file, td->o.directory); |
| strcat(file, "/"); |
| elen = strlen(file); |
| } |
| |
| sprintf(file + elen, "%s", fname); |
| dir = dirname(file); |
| |
| #if 0 |
| { |
| struct stat sb; |
| /* |
| * We can't do this on FIO_DISKLESSIO engines. The engine isn't loaded |
| * yet, so we can't do this check right here... |
| */ |
| if (lstat(dir, &sb) < 0) { |
| int ret = errno; |
| |
| log_err("fio: %s is not a directory\n", dir); |
| td_verror(td, ret, "lstat"); |
| return 1; |
| } |
| |
| if (!S_ISDIR(sb.st_mode)) { |
| log_err("fio: %s is not a directory\n", dir); |
| return 1; |
| } |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| static int str_filename_cb(void *data, const char *input) |
| { |
| struct thread_data *td = data; |
| char *fname, *str, *p; |
| |
| p = str = strdup(input); |
| |
| strip_blank_front(&str); |
| strip_blank_end(str); |
| |
| if (!td->files_index) |
| td->o.nr_files = 0; |
| |
| while ((fname = strsep(&str, ":")) != NULL) { |
| if (!strlen(fname)) |
| break; |
| if (check_dir(td, fname)) { |
| free(p); |
| return 1; |
| } |
| add_file(td, fname); |
| td->o.nr_files++; |
| } |
| |
| free(p); |
| return 0; |
| } |
| |
| static int str_directory_cb(void *data, const char fio_unused *str) |
| { |
| struct thread_data *td = data; |
| struct stat sb; |
| |
| if (lstat(td->o.directory, &sb) < 0) { |
| int ret = errno; |
| |
| log_err("fio: %s is not a directory\n", td->o.directory); |
| td_verror(td, ret, "lstat"); |
| return 1; |
| } |
| if (!S_ISDIR(sb.st_mode)) { |
| log_err("fio: %s is not a directory\n", td->o.directory); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static int str_opendir_cb(void *data, const char fio_unused *str) |
| { |
| struct thread_data *td = data; |
| |
| if (!td->files_index) |
| td->o.nr_files = 0; |
| |
| return add_dir_files(td, td->o.opendir); |
| } |
| |
| static int str_verify_offset_cb(void *data, unsigned int *off) |
| { |
| struct thread_data *td = data; |
| |
| if (*off && *off < sizeof(struct verify_header)) { |
| log_err("fio: verify_offset too small\n"); |
| return 1; |
| } |
| |
| td->o.verify_offset = *off; |
| return 0; |
| } |
| |
| static int str_verify_pattern_cb(void *data, unsigned int *off) |
| { |
| struct thread_data *td = data; |
| unsigned int msb; |
| |
| msb = __fls(*off); |
| if (msb <= 8) |
| td->o.verify_pattern_bytes = 1; |
| else if (msb <= 16) |
| td->o.verify_pattern_bytes = 2; |
| else if (msb <= 24) |
| td->o.verify_pattern_bytes = 3; |
| else |
| td->o.verify_pattern_bytes = 4; |
| |
| td->o.verify_pattern = *off; |
| return 0; |
| } |
| |
| static int str_lockfile_cb(void *data, const char *str) |
| { |
| struct thread_data *td = data; |
| char *nr = get_opt_postfix(str); |
| |
| td->o.lockfile_batch = 1; |
| if (nr) { |
| td->o.lockfile_batch = atoi(nr); |
| free(nr); |
| } |
| |
| return 0; |
| } |
| |
| static int str_write_bw_log_cb(void *data, const char *str) |
| { |
| struct thread_data *td = data; |
| |
| if (str) |
| td->o.bw_log_file = strdup(str); |
| |
| td->o.write_bw_log = 1; |
| return 0; |
| } |
| |
| static int str_write_lat_log_cb(void *data, const char *str) |
| { |
| struct thread_data *td = data; |
| |
| if (str) |
| td->o.lat_log_file = strdup(str); |
| |
| td->o.write_lat_log = 1; |
| return 0; |
| } |
| |
| static int str_gtod_reduce_cb(void *data, int *il) |
| { |
| struct thread_data *td = data; |
| int val = *il; |
| |
| td->o.disable_clat = !!val; |
| td->o.disable_slat = !!val; |
| td->o.disable_bw = !!val; |
| if (val) |
| td->tv_cache_mask = 63; |
| |
| return 0; |
| } |
| |
| static int str_gtod_cpu_cb(void *data, int *il) |
| { |
| struct thread_data *td = data; |
| int val = *il; |
| |
| td->o.gtod_cpu = val; |
| td->o.gtod_offload = 1; |
| return 0; |
| } |
| |
| #define __stringify_1(x) #x |
| #define __stringify(x) __stringify_1(x) |
| |
| /* |
| * Map of job/command line options |
| */ |
| static struct fio_option options[] = { |
| { |
| .name = "description", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(description), |
| .help = "Text job description", |
| }, |
| { |
| .name = "name", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(name), |
| .help = "Name of this job", |
| }, |
| { |
| .name = "directory", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(directory), |
| .cb = str_directory_cb, |
| .help = "Directory to store files in", |
| }, |
| { |
| .name = "filename", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(filename), |
| .cb = str_filename_cb, |
| .prio = 1, /* must come before "directory" */ |
| .help = "File(s) to use for the workload", |
| }, |
| { |
| .name = "lockfile", |
| .type = FIO_OPT_STR, |
| .cb = str_lockfile_cb, |
| .off1 = td_var_offset(file_lock_mode), |
| .help = "Lock file when doing IO to it", |
| .parent = "filename", |
| .def = "none", |
| .posval = { |
| { .ival = "none", |
| .oval = FILE_LOCK_NONE, |
| .help = "No file locking", |
| }, |
| { .ival = "exclusive", |
| .oval = FILE_LOCK_EXCLUSIVE, |
| .help = "Exclusive file lock", |
| }, |
| { |
| .ival = "readwrite", |
| .oval = FILE_LOCK_READWRITE, |
| .help = "Read vs write lock", |
| }, |
| }, |
| }, |
| { |
| .name = "opendir", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(opendir), |
| .cb = str_opendir_cb, |
| .help = "Recursively add files from this directory and down", |
| }, |
| { |
| .name = "rw", |
| .alias = "readwrite", |
| .type = FIO_OPT_STR, |
| .cb = str_rw_cb, |
| .off1 = td_var_offset(td_ddir), |
| .help = "IO direction", |
| .def = "read", |
| .posval = { |
| { .ival = "read", |
| .oval = TD_DDIR_READ, |
| .help = "Sequential read", |
| }, |
| { .ival = "write", |
| .oval = TD_DDIR_WRITE, |
| .help = "Sequential write", |
| }, |
| { .ival = "randread", |
| .oval = TD_DDIR_RANDREAD, |
| .help = "Random read", |
| }, |
| { .ival = "randwrite", |
| .oval = TD_DDIR_RANDWRITE, |
| .help = "Random write", |
| }, |
| { .ival = "rw", |
| .oval = TD_DDIR_RW, |
| .help = "Sequential read and write mix", |
| }, |
| { .ival = "randrw", |
| .oval = TD_DDIR_RANDRW, |
| .help = "Random read and write mix" |
| }, |
| }, |
| }, |
| { |
| .name = "ioengine", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(ioengine), |
| .help = "IO engine to use", |
| .def = "sync", |
| .posval = { |
| { .ival = "sync", |
| .help = "Use read/write", |
| }, |
| { .ival = "psync", |
| .help = "Use pread/pwrite", |
| }, |
| { .ival = "vsync", |
| .help = "Use readv/writev", |
| }, |
| #ifdef FIO_HAVE_LIBAIO |
| { .ival = "libaio", |
| .help = "Linux native asynchronous IO", |
| }, |
| #endif |
| #ifdef FIO_HAVE_POSIXAIO |
| { .ival = "posixaio", |
| .help = "POSIX asynchronous IO", |
| }, |
| #endif |
| #ifdef FIO_HAVE_SOLARISAIO |
| { .ival = "solarisaio", |
| .help = "Solaris native asynchronous IO", |
| }, |
| #endif |
| { .ival = "mmap", |
| .help = "Memory mapped IO", |
| }, |
| #ifdef FIO_HAVE_SPLICE |
| { .ival = "splice", |
| .help = "splice/vmsplice based IO", |
| }, |
| { .ival = "netsplice", |
| .help = "splice/vmsplice to/from the network", |
| }, |
| #endif |
| #ifdef FIO_HAVE_SGIO |
| { .ival = "sg", |
| .help = "SCSI generic v3 IO", |
| }, |
| #endif |
| { .ival = "null", |
| .help = "Testing engine (no data transfer)", |
| }, |
| { .ival = "net", |
| .help = "Network IO", |
| }, |
| #ifdef FIO_HAVE_SYSLET |
| { .ival = "syslet-rw", |
| .help = "syslet enabled async pread/pwrite IO", |
| }, |
| #endif |
| { .ival = "cpuio", |
| .help = "CPU cycler burner engine", |
| }, |
| #ifdef FIO_HAVE_GUASI |
| { .ival = "guasi", |
| .help = "GUASI IO engine", |
| }, |
| #endif |
| { .ival = "external", |
| .help = "Load external engine (append name)", |
| }, |
| }, |
| }, |
| { |
| .name = "iodepth", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(iodepth), |
| .help = "Amount of IO buffers to keep in flight", |
| .minval = 1, |
| .def = "1", |
| }, |
| { |
| .name = "iodepth_batch", |
| .alias = "iodepth_batch_submit", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(iodepth_batch), |
| .help = "Number of IO buffers to submit in one go", |
| .parent = "iodepth", |
| .minval = 1, |
| .def = "1", |
| }, |
| { |
| .name = "iodepth_batch_complete", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(iodepth_batch_complete), |
| .help = "Number of IO buffers to retrieve in one go", |
| .parent = "iodepth", |
| .minval = 0, |
| .def = "1", |
| }, |
| { |
| .name = "iodepth_low", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(iodepth_low), |
| .help = "Low water mark for queuing depth", |
| .parent = "iodepth", |
| }, |
| { |
| .name = "size", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(size), |
| .minval = 1, |
| .help = "Total size of device or files", |
| }, |
| { |
| .name = "fill_device", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(fill_device), |
| .help = "Write until an ENOSPC error occurs", |
| .def = "0", |
| }, |
| { |
| .name = "filesize", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(file_size_low), |
| .off2 = td_var_offset(file_size_high), |
| .minval = 1, |
| .help = "Size of individual files", |
| }, |
| { |
| .name = "offset", |
| .alias = "fileoffset", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(start_offset), |
| .help = "Start IO from this offset", |
| .def = "0", |
| }, |
| { |
| .name = "bs", |
| .alias = "blocksize", |
| .type = FIO_OPT_STR_VAL_INT, |
| .off1 = td_var_offset(bs[DDIR_READ]), |
| .off2 = td_var_offset(bs[DDIR_WRITE]), |
| .minval = 1, |
| .help = "Block size unit", |
| .def = "4k", |
| .parent = "rw", |
| }, |
| { |
| .name = "ba", |
| .alias = "blockalign", |
| .type = FIO_OPT_STR_VAL_INT, |
| .off1 = td_var_offset(ba[DDIR_READ]), |
| .off2 = td_var_offset(ba[DDIR_WRITE]), |
| .minval = 1, |
| .help = "IO block offset alignment", |
| .parent = "rw", |
| }, |
| { |
| .name = "bsrange", |
| .alias = "blocksize_range", |
| .type = FIO_OPT_RANGE, |
| .off1 = td_var_offset(min_bs[DDIR_READ]), |
| .off2 = td_var_offset(max_bs[DDIR_READ]), |
| .off3 = td_var_offset(min_bs[DDIR_WRITE]), |
| .off4 = td_var_offset(max_bs[DDIR_WRITE]), |
| .minval = 1, |
| .help = "Set block size range (in more detail than bs)", |
| .parent = "rw", |
| }, |
| { |
| .name = "bssplit", |
| .type = FIO_OPT_STR, |
| .cb = str_bssplit_cb, |
| .help = "Set a specific mix of block sizes", |
| .parent = "rw", |
| }, |
| { |
| .name = "bs_unaligned", |
| .alias = "blocksize_unaligned", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(bs_unaligned), |
| .help = "Don't sector align IO buffer sizes", |
| .parent = "rw", |
| }, |
| { |
| .name = "randrepeat", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(rand_repeatable), |
| .help = "Use repeatable random IO pattern", |
| .def = "1", |
| .parent = "rw", |
| }, |
| { |
| .name = "norandommap", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(norandommap), |
| .help = "Accept potential duplicate random blocks", |
| .parent = "rw", |
| }, |
| { |
| .name = "softrandommap", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(softrandommap), |
| .help = "Set norandommap if randommap allocation fails", |
| .parent = "norandommap", |
| .def = "0", |
| }, |
| { |
| .name = "nrfiles", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(nr_files), |
| .help = "Split job workload between this number of files", |
| .def = "1", |
| }, |
| { |
| .name = "openfiles", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(open_files), |
| .help = "Number of files to keep open at the same time", |
| }, |
| { |
| .name = "file_service_type", |
| .type = FIO_OPT_STR, |
| .cb = str_fst_cb, |
| .off1 = td_var_offset(file_service_type), |
| .help = "How to select which file to service next", |
| .def = "roundrobin", |
| .posval = { |
| { .ival = "random", |
| .oval = FIO_FSERVICE_RANDOM, |
| .help = "Choose a file at random", |
| }, |
| { .ival = "roundrobin", |
| .oval = FIO_FSERVICE_RR, |
| .help = "Round robin select files", |
| }, |
| { .ival = "sequential", |
| .oval = FIO_FSERVICE_SEQ, |
| .help = "Finish one file before moving to the next", |
| }, |
| }, |
| .parent = "nrfiles", |
| }, |
| { |
| .name = "fadvise_hint", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(fadvise_hint), |
| .help = "Use fadvise() to advise the kernel on IO pattern", |
| .def = "1", |
| }, |
| { |
| .name = "fsync", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(fsync_blocks), |
| .help = "Issue fsync for writes every given number of blocks", |
| .def = "0", |
| }, |
| { |
| .name = "direct", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(odirect), |
| .help = "Use O_DIRECT IO (negates buffered)", |
| .def = "0", |
| }, |
| { |
| .name = "buffered", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(odirect), |
| .neg = 1, |
| .help = "Use buffered IO (negates direct)", |
| .def = "1", |
| }, |
| { |
| .name = "overwrite", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(overwrite), |
| .help = "When writing, set whether to overwrite current data", |
| .def = "0", |
| }, |
| { |
| .name = "loops", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(loops), |
| .help = "Number of times to run the job", |
| .def = "1", |
| }, |
| { |
| .name = "numjobs", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(numjobs), |
| .help = "Duplicate this job this many times", |
| .def = "1", |
| }, |
| { |
| .name = "startdelay", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(start_delay), |
| .help = "Only start job when this period has passed", |
| .def = "0", |
| }, |
| { |
| .name = "runtime", |
| .alias = "timeout", |
| .type = FIO_OPT_STR_VAL_TIME, |
| .off1 = td_var_offset(timeout), |
| .help = "Stop workload when this amount of time has passed", |
| .def = "0", |
| }, |
| { |
| .name = "time_based", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(time_based), |
| .help = "Keep running until runtime/timeout is met", |
| }, |
| { |
| .name = "ramp_time", |
| .type = FIO_OPT_STR_VAL_TIME, |
| .off1 = td_var_offset(ramp_time), |
| .help = "Ramp up time before measuring performance", |
| }, |
| { |
| .name = "mem", |
| .alias = "iomem", |
| .type = FIO_OPT_STR, |
| .cb = str_mem_cb, |
| .off1 = td_var_offset(mem_type), |
| .help = "Backing type for IO buffers", |
| .def = "malloc", |
| .posval = { |
| { .ival = "malloc", |
| .oval = MEM_MALLOC, |
| .help = "Use malloc(3) for IO buffers", |
| }, |
| { .ival = "shm", |
| .oval = MEM_SHM, |
| .help = "Use shared memory segments for IO buffers", |
| }, |
| #ifdef FIO_HAVE_HUGETLB |
| { .ival = "shmhuge", |
| .oval = MEM_SHMHUGE, |
| .help = "Like shm, but use huge pages", |
| }, |
| #endif |
| { .ival = "mmap", |
| .oval = MEM_MMAP, |
| .help = "Use mmap(2) (file or anon) for IO buffers", |
| }, |
| #ifdef FIO_HAVE_HUGETLB |
| { .ival = "mmaphuge", |
| .oval = MEM_MMAPHUGE, |
| .help = "Like mmap, but use huge pages", |
| }, |
| #endif |
| }, |
| }, |
| { |
| .name = "verify", |
| .type = FIO_OPT_STR, |
| .off1 = td_var_offset(verify), |
| .help = "Verify data written", |
| .def = "0", |
| .posval = { |
| { .ival = "0", |
| .oval = VERIFY_NONE, |
| .help = "Don't do IO verification", |
| }, |
| { .ival = "md5", |
| .oval = VERIFY_MD5, |
| .help = "Use md5 checksums for verification", |
| }, |
| { .ival = "crc64", |
| .oval = VERIFY_CRC64, |
| .help = "Use crc64 checksums for verification", |
| }, |
| { .ival = "crc32", |
| .oval = VERIFY_CRC32, |
| .help = "Use crc32 checksums for verification", |
| }, |
| { .ival = "crc32c-intel", |
| .oval = VERIFY_CRC32C_INTEL, |
| .help = "Use hw crc32c checksums for verification", |
| }, |
| { .ival = "crc32c", |
| .oval = VERIFY_CRC32C, |
| .help = "Use crc32c checksums for verification", |
| }, |
| { .ival = "crc16", |
| .oval = VERIFY_CRC16, |
| .help = "Use crc16 checksums for verification", |
| }, |
| { .ival = "crc7", |
| .oval = VERIFY_CRC7, |
| .help = "Use crc7 checksums for verification", |
| }, |
| { .ival = "sha256", |
| .oval = VERIFY_SHA256, |
| .help = "Use sha256 checksums for verification", |
| }, |
| { .ival = "sha512", |
| .oval = VERIFY_SHA512, |
| .help = "Use sha512 checksums for verification", |
| }, |
| { .ival = "meta", |
| .oval = VERIFY_META, |
| .help = "Use io information", |
| }, |
| { |
| .ival = "null", |
| .oval = VERIFY_NULL, |
| .help = "Pretend to verify", |
| }, |
| }, |
| }, |
| { |
| .name = "do_verify", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(do_verify), |
| .help = "Run verification stage after write", |
| .def = "1", |
| .parent = "verify", |
| }, |
| { |
| .name = "verifysort", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(verifysort), |
| .help = "Sort written verify blocks for read back", |
| .def = "1", |
| .parent = "verify", |
| }, |
| { |
| .name = "verify_interval", |
| .type = FIO_OPT_STR_VAL_INT, |
| .off1 = td_var_offset(verify_interval), |
| .minval = 2 * sizeof(struct verify_header), |
| .help = "Store verify buffer header every N bytes", |
| .parent = "verify", |
| }, |
| { |
| .name = "verify_offset", |
| .type = FIO_OPT_STR_VAL_INT, |
| .help = "Offset verify header location by N bytes", |
| .def = "0", |
| .cb = str_verify_offset_cb, |
| .parent = "verify", |
| }, |
| { |
| .name = "verify_pattern", |
| .type = FIO_OPT_INT, |
| .cb = str_verify_pattern_cb, |
| .help = "Fill pattern for IO buffers", |
| .parent = "verify", |
| }, |
| { |
| .name = "verify_fatal", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(verify_fatal), |
| .def = "0", |
| .help = "Exit on a single verify failure, don't continue", |
| .parent = "verify", |
| }, |
| { |
| .name = "write_iolog", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(write_iolog_file), |
| .help = "Store IO pattern to file", |
| }, |
| { |
| .name = "read_iolog", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(read_iolog_file), |
| .help = "Playback IO pattern from file", |
| }, |
| { |
| .name = "exec_prerun", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(exec_prerun), |
| .help = "Execute this file prior to running job", |
| }, |
| { |
| .name = "exec_postrun", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(exec_postrun), |
| .help = "Execute this file after running job", |
| }, |
| #ifdef FIO_HAVE_IOSCHED_SWITCH |
| { |
| .name = "ioscheduler", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(ioscheduler), |
| .help = "Use this IO scheduler on the backing device", |
| }, |
| #endif |
| { |
| .name = "zonesize", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(zone_size), |
| .help = "Give size of an IO zone", |
| .def = "0", |
| }, |
| { |
| .name = "zoneskip", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(zone_skip), |
| .help = "Space between IO zones", |
| .def = "0", |
| }, |
| { |
| .name = "lockmem", |
| .type = FIO_OPT_STR_VAL, |
| .cb = str_lockmem_cb, |
| .help = "Lock down this amount of memory", |
| .def = "0", |
| }, |
| { |
| .name = "rwmixread", |
| .type = FIO_OPT_INT, |
| .cb = str_rwmix_read_cb, |
| .maxval = 100, |
| .help = "Percentage of mixed workload that is reads", |
| .def = "50", |
| }, |
| { |
| .name = "rwmixwrite", |
| .type = FIO_OPT_INT, |
| .cb = str_rwmix_write_cb, |
| .maxval = 100, |
| .help = "Percentage of mixed workload that is writes", |
| .def = "50", |
| }, |
| { |
| .name = "rwmixcycle", |
| .type = FIO_OPT_DEPRECATED, |
| }, |
| { |
| .name = "nice", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(nice), |
| .help = "Set job CPU nice value", |
| .minval = -19, |
| .maxval = 20, |
| .def = "0", |
| }, |
| #ifdef FIO_HAVE_IOPRIO |
| { |
| .name = "prio", |
| .type = FIO_OPT_INT, |
| .cb = str_prio_cb, |
| .help = "Set job IO priority value", |
| .minval = 0, |
| .maxval = 7, |
| }, |
| { |
| .name = "prioclass", |
| .type = FIO_OPT_INT, |
| .cb = str_prioclass_cb, |
| .help = "Set job IO priority class", |
| .minval = 0, |
| .maxval = 3, |
| }, |
| #endif |
| { |
| .name = "thinktime", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(thinktime), |
| .help = "Idle time between IO buffers (usec)", |
| .def = "0", |
| }, |
| { |
| .name = "thinktime_spin", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(thinktime_spin), |
| .help = "Start think time by spinning this amount (usec)", |
| .def = "0", |
| .parent = "thinktime", |
| }, |
| { |
| .name = "thinktime_blocks", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(thinktime_blocks), |
| .help = "IO buffer period between 'thinktime'", |
| .def = "1", |
| .parent = "thinktime", |
| }, |
| { |
| .name = "rate", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(rate), |
| .help = "Set bandwidth rate", |
| }, |
| { |
| .name = "ratemin", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(ratemin), |
| .help = "Job must meet this rate or it will be shutdown", |
| .parent = "rate", |
| }, |
| { |
| .name = "rate_iops", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(rate_iops), |
| .help = "Limit IO used to this number of IO operations/sec", |
| }, |
| { |
| .name = "rate_iops_min", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(rate_iops_min), |
| .help = "Job must meet this rate or it will be shutdown", |
| .parent = "rate_iops", |
| }, |
| { |
| .name = "ratecycle", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(ratecycle), |
| .help = "Window average for rate limits (msec)", |
| .def = "1000", |
| .parent = "rate", |
| }, |
| { |
| .name = "invalidate", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(invalidate_cache), |
| .help = "Invalidate buffer/page cache prior to running job", |
| .def = "1", |
| }, |
| { |
| .name = "sync", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(sync_io), |
| .help = "Use O_SYNC for buffered writes", |
| .def = "0", |
| .parent = "buffered", |
| }, |
| { |
| .name = "bwavgtime", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(bw_avg_time), |
| .help = "Time window over which to calculate bandwidth" |
| " (msec)", |
| .def = "500", |
| }, |
| { |
| .name = "create_serialize", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(create_serialize), |
| .help = "Serialize creating of job files", |
| .def = "1", |
| }, |
| { |
| .name = "create_fsync", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(create_fsync), |
| .help = "Fsync file after creation", |
| .def = "1", |
| }, |
| { |
| .name = "create_on_open", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(create_on_open), |
| .help = "Create files when they are opened for IO", |
| .def = "0", |
| }, |
| { |
| .name = "cpuload", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(cpuload), |
| .help = "Use this percentage of CPU", |
| }, |
| { |
| .name = "cpuchunks", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(cpucycle), |
| .help = "Length of the CPU burn cycles (usecs)", |
| .def = "50000", |
| .parent = "cpuload", |
| }, |
| #ifdef FIO_HAVE_CPU_AFFINITY |
| { |
| .name = "cpumask", |
| .type = FIO_OPT_INT, |
| .cb = str_cpumask_cb, |
| .help = "CPU affinity mask", |
| }, |
| { |
| .name = "cpus_allowed", |
| .type = FIO_OPT_STR, |
| .cb = str_cpus_allowed_cb, |
| .help = "Set CPUs allowed", |
| }, |
| #endif |
| { |
| .name = "end_fsync", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(end_fsync), |
| .help = "Include fsync at the end of job", |
| .def = "0", |
| }, |
| { |
| .name = "fsync_on_close", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(fsync_on_close), |
| .help = "fsync files on close", |
| .def = "0", |
| }, |
| { |
| .name = "unlink", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(unlink), |
| .help = "Unlink created files after job has completed", |
| .def = "0", |
| }, |
| { |
| .name = "exitall", |
| .type = FIO_OPT_STR_SET, |
| .cb = str_exitall_cb, |
| .help = "Terminate all jobs when one exits", |
| }, |
| { |
| .name = "stonewall", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(stonewall), |
| .help = "Insert a hard barrier between this job and previous", |
| }, |
| { |
| .name = "new_group", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(new_group), |
| .help = "Mark the start of a new group (for reporting)", |
| }, |
| { |
| .name = "thread", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(use_thread), |
| .help = "Use threads instead of forks", |
| }, |
| { |
| .name = "write_bw_log", |
| .type = FIO_OPT_STR, |
| .off1 = td_var_offset(write_bw_log), |
| .cb = str_write_bw_log_cb, |
| .help = "Write log of bandwidth during run", |
| }, |
| { |
| .name = "write_lat_log", |
| .type = FIO_OPT_STR, |
| .off1 = td_var_offset(write_lat_log), |
| .cb = str_write_lat_log_cb, |
| .help = "Write log of latency during run", |
| }, |
| { |
| .name = "hugepage-size", |
| .type = FIO_OPT_STR_VAL_INT, |
| .off1 = td_var_offset(hugepage_size), |
| .help = "When using hugepages, specify size of each page", |
| .def = __stringify(FIO_HUGE_PAGE), |
| }, |
| { |
| .name = "group_reporting", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(group_reporting), |
| .help = "Do reporting on a per-group basis", |
| }, |
| { |
| .name = "zero_buffers", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(zero_buffers), |
| .help = "Init IO buffers to all zeroes", |
| }, |
| { |
| .name = "refill_buffers", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(refill_buffers), |
| .help = "Refill IO buffers on every IO submit", |
| }, |
| #ifdef FIO_HAVE_DISK_UTIL |
| { |
| .name = "disk_util", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(do_disk_util), |
| .help = "Log disk utilization statistics", |
| .def = "1", |
| }, |
| #endif |
| { |
| .name = "gtod_reduce", |
| .type = FIO_OPT_BOOL, |
| .help = "Greatly reduce number of gettimeofday() calls", |
| .cb = str_gtod_reduce_cb, |
| .def = "0", |
| }, |
| { |
| .name = "disable_clat", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(disable_clat), |
| .help = "Disable completion latency numbers", |
| .parent = "gtod_reduce", |
| .def = "0", |
| }, |
| { |
| .name = "disable_slat", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(disable_slat), |
| .help = "Disable submissionn latency numbers", |
| .parent = "gtod_reduce", |
| .def = "0", |
| }, |
| { |
| .name = "disable_bw_measurement", |
| .type = FIO_OPT_BOOL, |
| .off1 = td_var_offset(disable_bw), |
| .help = "Disable bandwidth logging", |
| .parent = "gtod_reduce", |
| .def = "0", |
| }, |
| { |
| .name = "gtod_cpu", |
| .type = FIO_OPT_INT, |
| .cb = str_gtod_cpu_cb, |
| .help = "Setup dedicated gettimeofday() thread on this CPU", |
| }, |
| { |
| .name = NULL, |
| }, |
| }; |
| |
| void fio_options_dup_and_init(struct option *long_options) |
| { |
| struct fio_option *o; |
| unsigned int i; |
| |
| options_init(options); |
| |
| i = 0; |
| while (long_options[i].name) |
| i++; |
| |
| o = &options[0]; |
| while (o->name) { |
| long_options[i].name = (char *) o->name; |
| long_options[i].val = FIO_GETOPT_JOB; |
| if (o->type == FIO_OPT_STR_SET) |
| long_options[i].has_arg = no_argument; |
| else |
| long_options[i].has_arg = required_argument; |
| |
| i++; |
| o++; |
| assert(i < FIO_NR_OPTIONS); |
| } |
| } |
| |
| int fio_options_parse(struct thread_data *td, char **opts, int num_opts) |
| { |
| int i, ret; |
| |
| sort_options(opts, options, num_opts); |
| |
| for (ret = 0, i = 0; i < num_opts; i++) |
| ret |= parse_option(opts[i], options, td); |
| |
| return ret; |
| } |
| |
| int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val) |
| { |
| return parse_cmd_option(opt, val, options, td); |
| } |
| |
| void fio_fill_default_options(struct thread_data *td) |
| { |
| fill_default_options(td, options); |
| } |
| |
| int fio_show_option_help(const char *opt) |
| { |
| return show_cmd_help(options, opt); |
| } |
| |
| static void __options_mem(struct thread_data *td, int alloc) |
| { |
| struct thread_options *o = &td->o; |
| struct fio_option *opt; |
| char **ptr; |
| int i; |
| |
| for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) { |
| if (opt->type != FIO_OPT_STR_STORE) |
| continue; |
| |
| ptr = (void *) o + opt->off1; |
| if (*ptr) { |
| if (alloc) |
| *ptr = strdup(*ptr); |
| else { |
| free(*ptr); |
| *ptr = NULL; |
| } |
| } |
| } |
| } |
| |
| /* |
| * dupe FIO_OPT_STR_STORE options |
| */ |
| void options_mem_dupe(struct thread_data *td) |
| { |
| __options_mem(td, 1); |
| } |
| |
| void options_mem_free(struct thread_data fio_unused *td) |
| { |
| #if 0 |
| __options_mem(td, 0); |
| #endif |
| } |