| /* |
| * This file contains job initialization and setup functions. |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <ctype.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <getopt.h> |
| #include <assert.h> |
| #include <sys/ipc.h> |
| #include <sys/shm.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| #include "fio.h" |
| #include "parse.h" |
| |
| /* |
| * The default options |
| */ |
| #define DEF_BS (4096) |
| #define DEF_TIMEOUT (0) |
| #define DEF_RATE_CYCLE (1000) |
| #define DEF_ODIRECT (1) |
| #define DEF_IO_ENGINE (FIO_SYNCIO) |
| #define DEF_IO_ENGINE_NAME "sync" |
| #define DEF_SEQUENTIAL (1) |
| #define DEF_RAND_REPEAT (1) |
| #define DEF_OVERWRITE (1) |
| #define DEF_INVALIDATE (1) |
| #define DEF_SYNCIO (0) |
| #define DEF_RANDSEED (0xb1899bedUL) |
| #define DEF_BWAVGTIME (500) |
| #define DEF_CREATE_SER (1) |
| #define DEF_CREATE_FSYNC (1) |
| #define DEF_LOOPS (1) |
| #define DEF_VERIFY (0) |
| #define DEF_STONEWALL (0) |
| #define DEF_NUMJOBS (1) |
| #define DEF_USE_THREAD (0) |
| #define DEF_FILE_SIZE (1024 * 1024 * 1024UL) |
| #define DEF_ZONE_SIZE (0) |
| #define DEF_ZONE_SKIP (0) |
| #define DEF_RWMIX_CYCLE (500) |
| #define DEF_RWMIX_READ (50) |
| #define DEF_NICE (0) |
| #define DEF_NR_FILES (1) |
| #define DEF_UNLINK (0) |
| #define DEF_WRITE_BW_LOG (0) |
| #define DEF_WRITE_LAT_LOG (0) |
| #define DEF_NO_RAND_MAP (0) |
| |
| #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
| |
| static int str_rw_cb(void *, const char *); |
| static int str_ioengine_cb(void *, const char *); |
| static int str_mem_cb(void *, const char *); |
| static int str_verify_cb(void *, const char *); |
| static int str_lockmem_cb(void *, unsigned long *); |
| #ifdef FIO_HAVE_IOPRIO |
| static int str_prio_cb(void *, unsigned int *); |
| static int str_prioclass_cb(void *, unsigned int *); |
| #endif |
| static int str_exitall_cb(void); |
| static int str_cpumask_cb(void *, unsigned int *); |
| |
| /* |
| * Map of job/command line options |
| */ |
| static struct fio_option options[] = { |
| { |
| .name = "name", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(name), |
| }, |
| { |
| .name = "directory", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(directory), |
| }, |
| { |
| .name = "filename", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(filename), |
| }, |
| { |
| .name = "rw", |
| .type = FIO_OPT_STR, |
| .cb = str_rw_cb, |
| }, |
| { |
| .name = "ioengine", |
| .type = FIO_OPT_STR, |
| .cb = str_ioengine_cb, |
| }, |
| { |
| .name = "mem", |
| .type = FIO_OPT_STR, |
| .cb = str_mem_cb, |
| }, |
| { |
| .name = "verify", |
| .type = FIO_OPT_STR, |
| .cb = str_verify_cb, |
| }, |
| { |
| .name = "write_iolog", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(write_iolog_file), |
| }, |
| { |
| .name = "read_iolog", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(read_iolog_file), |
| }, |
| { |
| .name = "exec_prerun", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(exec_prerun), |
| }, |
| { |
| .name = "exec_postrun", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(exec_postrun), |
| }, |
| #ifdef FIO_HAVE_IOSCHED_SWITCH |
| { |
| .name = "ioscheduler", |
| .type = FIO_OPT_STR_STORE, |
| .off1 = td_var_offset(ioscheduler), |
| }, |
| #endif |
| { |
| .name = "size", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(total_file_size), |
| }, |
| { |
| .name = "bs", |
| .type = FIO_OPT_STR_VAL_INT, |
| .off1 = td_var_offset(bs[DDIR_READ]), |
| .off2 = td_var_offset(bs[DDIR_WRITE]), |
| }, |
| { |
| .name = "offset", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(start_offset), |
| }, |
| { |
| .name = "zonesize", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(zone_size), |
| }, |
| { |
| .name = "zoneskip", |
| .type = FIO_OPT_STR_VAL, |
| .off1 = td_var_offset(zone_skip), |
| }, |
| { |
| .name = "lockmem", |
| .type = FIO_OPT_STR_VAL, |
| .cb = str_lockmem_cb, |
| }, |
| { |
| .name = "bsrange", |
| .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]), |
| }, |
| { |
| .name = "nrfiles", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(nr_files), |
| }, |
| { |
| .name = "iodepth", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(iodepth), |
| }, |
| { |
| .name = "fsync", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(fsync_blocks), |
| }, |
| { |
| .name = "rwmixcycle", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(rwmixcycle), |
| }, |
| { |
| .name = "rwmixread", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(rwmixread), |
| .max_val= 100, |
| }, |
| { |
| .name = "rwmixwrite", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(rwmixwrite), |
| .max_val= 100, |
| }, |
| { |
| .name = "nice", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(nice), |
| }, |
| #ifdef FIO_HAVE_IOPRIO |
| { |
| .name = "prio", |
| .type = FIO_OPT_INT, |
| .cb = str_prio_cb, |
| }, |
| { |
| .name = "prioclass", |
| .type = FIO_OPT_INT, |
| .cb = str_prioclass_cb, |
| }, |
| #endif |
| { |
| .name = "thinktime", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(thinktime) |
| }, |
| { |
| .name = "rate", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(rate) |
| }, |
| { |
| .name = "ratemin", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(ratemin) |
| }, |
| { |
| .name = "ratecycle", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(ratecycle) |
| }, |
| { |
| .name = "startdelay", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(start_delay) |
| }, |
| { |
| .name = "timeout", |
| .type = FIO_OPT_STR_VAL_TIME, |
| .off1 = td_var_offset(timeout) |
| }, |
| { |
| .name = "invalidate", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(invalidate_cache) |
| }, |
| { |
| .name = "sync", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(sync_io) |
| }, |
| { |
| .name = "bwavgtime", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(bw_avg_time) |
| }, |
| { |
| .name = "create_serialize", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(create_serialize) |
| }, |
| { |
| .name = "create_fsync", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(create_fsync) |
| }, |
| { |
| .name = "loops", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(loops) |
| }, |
| { |
| .name = "numjobs", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(numjobs) |
| }, |
| { |
| .name = "cpuload", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(cpuload) |
| }, |
| { |
| .name = "cpuchunks", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(cpucycle) |
| }, |
| { |
| .name = "direct", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(odirect) |
| }, |
| { |
| .name = "overwrite", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(overwrite) |
| }, |
| #ifdef FIO_HAVE_CPU_AFFINITY |
| { |
| .name = "cpumask", |
| .type = FIO_OPT_INT, |
| .cb = str_cpumask_cb, |
| }, |
| #endif |
| { |
| .name = "end_fsync", |
| .type = FIO_OPT_INT, |
| .off1 = td_var_offset(end_fsync) |
| }, |
| { |
| .name = "unlink", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(unlink), |
| }, |
| { |
| .name = "exitall", |
| .type = FIO_OPT_STR_SET, |
| .cb = str_exitall_cb, |
| }, |
| { |
| .name = "stonewall", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(stonewall), |
| }, |
| { |
| .name = "thread", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(thread), |
| }, |
| { |
| .name = "write_bw_log", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(write_bw_log), |
| }, |
| { |
| .name = "write_lat_log", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(write_lat_log), |
| }, |
| { |
| .name = "norandommap", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(norandommap), |
| }, |
| { |
| .name = "bs_unaligned", |
| .type = FIO_OPT_STR_SET, |
| .off1 = td_var_offset(bs_unaligned), |
| }, |
| { |
| .name = NULL, |
| }, |
| }; |
| |
| #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
| #define FIO_CMD_OPTS (16) |
| #define FIO_GETOPT_JOB (0x89988998) |
| |
| /* |
| * Command line options. These will contain the above, plus a few |
| * extra that only pertain to fio itself and not jobs. |
| */ |
| static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { |
| { |
| .name = "output", |
| .has_arg = required_argument, |
| .val = 'o', |
| }, |
| { |
| .name = "timeout", |
| .has_arg = required_argument, |
| .val = 't', |
| }, |
| { |
| .name = "latency-log", |
| .has_arg = required_argument, |
| .val = 'l', |
| }, |
| { |
| .name = "bandwidth-log", |
| .has_arg = required_argument, |
| .val = 'b', |
| }, |
| { |
| .name = "minimal", |
| .has_arg = optional_argument, |
| .val = 'm', |
| }, |
| { |
| .name = "version", |
| .has_arg = no_argument, |
| .val = 'v', |
| }, |
| { |
| .name = NULL, |
| }, |
| }; |
| |
| static int def_timeout = DEF_TIMEOUT; |
| |
| static char fio_version_string[] = "fio 1.9"; |
| |
| static char **ini_file; |
| static int max_jobs = MAX_JOBS; |
| |
| struct thread_data def_thread; |
| struct thread_data *threads = NULL; |
| |
| int exitall_on_terminate = 0; |
| int terse_output = 0; |
| unsigned long long mlock_size = 0; |
| FILE *f_out = NULL; |
| FILE *f_err = NULL; |
| |
| static int write_lat_log = DEF_WRITE_LAT_LOG; |
| static int write_bw_log = DEF_WRITE_BW_LOG; |
| |
| /* |
| * Return a free job structure. |
| */ |
| static struct thread_data *get_new_job(int global, struct thread_data *parent) |
| { |
| struct thread_data *td; |
| |
| if (global) |
| return &def_thread; |
| if (thread_number >= max_jobs) |
| return NULL; |
| |
| td = &threads[thread_number++]; |
| *td = *parent; |
| |
| td->thread_number = thread_number; |
| return td; |
| } |
| |
| static void put_job(struct thread_data *td) |
| { |
| if (td == &def_thread) |
| return; |
| |
| memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| thread_number--; |
| } |
| |
| /* |
| * Lazy way of fixing up options that depend on each other. We could also |
| * define option callback handlers, but this is easier. |
| */ |
| static void fixup_options(struct thread_data *td) |
| { |
| if (!td->rwmixread && td->rwmixwrite) |
| td->rwmixread = 100 - td->rwmixwrite; |
| |
| if (td->write_iolog_file && td->read_iolog_file) { |
| log_err("fio: read iolog overrides write_iolog\n"); |
| free(td->write_iolog_file); |
| td->write_iolog_file = NULL; |
| } |
| |
| if (td->io_ops->flags & FIO_SYNCIO) |
| td->iodepth = 1; |
| else { |
| if (!td->iodepth) |
| td->iodepth = td->nr_files; |
| } |
| |
| /* |
| * only really works for sequential io for now, and with 1 file |
| */ |
| if (td->zone_size && !td->sequential && td->nr_files == 1) |
| td->zone_size = 0; |
| |
| /* |
| * Reads can do overwrites, we always need to pre-create the file |
| */ |
| if (td_read(td) || td_rw(td)) |
| td->overwrite = 1; |
| |
| if (!td->min_bs[DDIR_READ]) |
| td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; |
| if (!td->max_bs[DDIR_READ]) |
| td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; |
| if (!td->min_bs[DDIR_WRITE]) |
| td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
| if (!td->max_bs[DDIR_WRITE]) |
| td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
| |
| td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); |
| |
| if (td_read(td) && !td_rw(td)) |
| td->verify = 0; |
| |
| if (td->norandommap && td->verify != VERIFY_NONE) { |
| log_err("fio: norandommap given, verify disabled\n"); |
| td->verify = VERIFY_NONE; |
| } |
| if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
| log_err("fio: bs_unaligned may not work with raw io\n"); |
| } |
| |
| /* |
| * This function leaks the buffer |
| */ |
| static char *to_kmg(unsigned int val) |
| { |
| char *buf = malloc(32); |
| char post[] = { 0, 'K', 'M', 'G', 'P', 0 }; |
| char *p = post; |
| |
| do { |
| if (val & 1023) |
| break; |
| |
| val >>= 10; |
| p++; |
| } while (*p); |
| |
| snprintf(buf, 31, "%u%c", val, *p); |
| return buf; |
| } |
| |
| /* |
| * Adds a job to the list of things todo. Sanitizes the various options |
| * to make sure we don't have conflicts, and initializes various |
| * members of td. |
| */ |
| static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
| { |
| const char *ddir_str[] = { "read", "write", "randread", "randwrite", |
| "rw", NULL, "randrw" }; |
| struct stat sb; |
| int numjobs, ddir, i; |
| struct fio_file *f; |
| |
| /* |
| * the def_thread is just for options, it's not a real job |
| */ |
| if (td == &def_thread) |
| return 0; |
| |
| /* |
| * Set default io engine, if none set |
| */ |
| if (!td->io_ops) { |
| td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); |
| if (!td->io_ops) { |
| log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); |
| return 1; |
| } |
| } |
| |
| if (td->odirect) |
| td->io_ops->flags |= FIO_RAWIO; |
| |
| fixup_options(td); |
| |
| td->filetype = FIO_TYPE_FILE; |
| if (!stat(jobname, &sb)) { |
| if (S_ISBLK(sb.st_mode)) |
| td->filetype = FIO_TYPE_BD; |
| else if (S_ISCHR(sb.st_mode)) |
| td->filetype = FIO_TYPE_CHAR; |
| } |
| |
| if (td->filename) |
| td->nr_uniq_files = 1; |
| else |
| td->nr_uniq_files = td->nr_files; |
| |
| if (td->filetype == FIO_TYPE_FILE || td->filename) { |
| char tmp[PATH_MAX]; |
| int len = 0; |
| int i; |
| |
| if (td->directory && td->directory[0] != '\0') |
| sprintf(tmp, "%s/", td->directory); |
| |
| td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
| |
| for_each_file(td, f, i) { |
| memset(f, 0, sizeof(*f)); |
| f->fd = -1; |
| |
| if (td->filename) |
| sprintf(tmp + len, "%s", td->filename); |
| else |
| sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); |
| f->file_name = strdup(tmp); |
| } |
| } else { |
| td->nr_files = 1; |
| td->files = malloc(sizeof(struct fio_file)); |
| f = &td->files[0]; |
| |
| memset(f, 0, sizeof(*f)); |
| f->fd = -1; |
| f->file_name = strdup(jobname); |
| } |
| |
| for_each_file(td, f, i) { |
| f->file_size = td->total_file_size / td->nr_files; |
| f->file_offset = td->start_offset; |
| } |
| |
| fio_sem_init(&td->mutex, 0); |
| |
| td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; |
| td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; |
| td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; |
| |
| if (td->stonewall && td->thread_number > 1) |
| groupid++; |
| |
| td->groupid = groupid; |
| |
| if (setup_rate(td)) |
| goto err; |
| |
| if (td->write_lat_log) { |
| setup_log(&td->slat_log); |
| setup_log(&td->clat_log); |
| } |
| if (td->write_bw_log) |
| setup_log(&td->bw_log); |
| |
| if (!td->name) |
| td->name = strdup(jobname); |
| |
| ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
| |
| if (!terse_output) { |
| if (!job_add_num) { |
| if (td->io_ops->flags & FIO_CPUIO) |
| fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
| else { |
| char *c1, *c2, *c3, *c4; |
| |
| c1 = to_kmg(td->min_bs[DDIR_READ]); |
| c2 = to_kmg(td->max_bs[DDIR_READ]); |
| c3 = to_kmg(td->min_bs[DDIR_WRITE]); |
| c4 = to_kmg(td->max_bs[DDIR_WRITE]); |
| |
| fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%s-%s/%s-%s, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, c1, c2, c3, c4, td->rate, td->io_ops->name, td->iodepth); |
| |
| free(c1); |
| free(c2); |
| free(c3); |
| free(c4); |
| } |
| } else if (job_add_num == 1) |
| fprintf(f_out, "...\n"); |
| } |
| |
| /* |
| * recurse add identical jobs, clear numjobs and stonewall options |
| * as they don't apply to sub-jobs |
| */ |
| numjobs = td->numjobs; |
| while (--numjobs) { |
| struct thread_data *td_new = get_new_job(0, td); |
| |
| if (!td_new) |
| goto err; |
| |
| td_new->numjobs = 1; |
| td_new->stonewall = 0; |
| job_add_num = numjobs - 1; |
| |
| if (add_job(td_new, jobname, job_add_num)) |
| goto err; |
| } |
| return 0; |
| err: |
| put_job(td); |
| return -1; |
| } |
| |
| /* |
| * Initialize the various random states we need (random io, block size ranges, |
| * read/write mix, etc). |
| */ |
| int init_random_state(struct thread_data *td) |
| { |
| unsigned long seeds[4]; |
| int fd, num_maps, blocks, i; |
| struct fio_file *f; |
| |
| if (td->io_ops->flags & FIO_CPUIO) |
| return 0; |
| |
| fd = open("/dev/urandom", O_RDONLY); |
| if (fd == -1) { |
| td_verror(td, errno); |
| return 1; |
| } |
| |
| if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
| td_verror(td, EIO); |
| close(fd); |
| return 1; |
| } |
| |
| close(fd); |
| |
| os_random_seed(seeds[0], &td->bsrange_state); |
| os_random_seed(seeds[1], &td->verify_state); |
| os_random_seed(seeds[2], &td->rwmix_state); |
| |
| if (td->sequential) |
| return 0; |
| |
| if (td->rand_repeatable) |
| seeds[3] = DEF_RANDSEED; |
| |
| if (!td->norandommap) { |
| for_each_file(td, f, i) { |
| blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
| num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
| f->file_map = malloc(num_maps * sizeof(long)); |
| f->num_maps = num_maps; |
| memset(f->file_map, 0, num_maps * sizeof(long)); |
| } |
| } |
| |
| os_random_seed(seeds[3], &td->random_state); |
| return 0; |
| } |
| |
| static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) |
| { |
| #ifdef FIO_HAVE_CPU_AFFINITY |
| unsigned int i; |
| |
| CPU_ZERO(&cpumask); |
| |
| for (i = 0; i < sizeof(int) * 8; i++) { |
| if ((1 << i) & cpu) |
| CPU_SET(i, &cpumask); |
| } |
| #endif |
| } |
| |
| static int is_empty_or_comment(char *line) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < strlen(line); i++) { |
| if (line[i] == ';') |
| return 1; |
| if (!isspace(line[i]) && !iscntrl(line[i])) |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| static int str_rw_cb(void *data, const char *mem) |
| { |
| struct thread_data *td = data; |
| |
| if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
| td->ddir = DDIR_READ; |
| td->sequential = 1; |
| return 0; |
| } else if (!strncmp(mem, "randread", 8)) { |
| td->ddir = DDIR_READ; |
| td->sequential = 0; |
| return 0; |
| } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { |
| td->ddir = DDIR_WRITE; |
| td->sequential = 1; |
| return 0; |
| } else if (!strncmp(mem, "randwrite", 9)) { |
| td->ddir = DDIR_WRITE; |
| td->sequential = 0; |
| return 0; |
| } else if (!strncmp(mem, "rw", 2)) { |
| td->ddir = 0; |
| td->iomix = 1; |
| td->sequential = 1; |
| return 0; |
| } else if (!strncmp(mem, "randrw", 6)) { |
| td->ddir = 0; |
| td->iomix = 1; |
| td->sequential = 0; |
| return 0; |
| } |
| |
| log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
| return 1; |
| } |
| |
| static int str_verify_cb(void *data, const char *mem) |
| { |
| struct thread_data *td = data; |
| |
| if (!strncmp(mem, "0", 1)) { |
| td->verify = VERIFY_NONE; |
| return 0; |
| } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { |
| td->verify = VERIFY_MD5; |
| return 0; |
| } else if (!strncmp(mem, "crc32", 5)) { |
| td->verify = VERIFY_CRC32; |
| return 0; |
| } |
| |
| log_err("fio: verify types: md5, crc32\n"); |
| return 1; |
| } |
| |
| static int str_mem_cb(void *data, const char *mem) |
| { |
| struct thread_data *td = data; |
| |
| if (!strncmp(mem, "malloc", 6)) { |
| td->mem_type = MEM_MALLOC; |
| return 0; |
| } else if (!strncmp(mem, "shm", 3)) { |
| td->mem_type = MEM_SHM; |
| return 0; |
| } else if (!strncmp(mem, "mmap", 4)) { |
| td->mem_type = MEM_MMAP; |
| return 0; |
| } |
| |
| log_err("fio: mem type: malloc, shm, mmap\n"); |
| return 1; |
| } |
| |
| static int str_ioengine_cb(void *data, const char *str) |
| { |
| struct thread_data *td = data; |
| |
| td->io_ops = load_ioengine(td, str); |
| if (td->io_ops) |
| return 0; |
| |
| log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); |
| log_err("fio: or specify path to dynamic ioengine module\n"); |
| return 1; |
| } |
| |
| static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
| { |
| mlock_size = *val; |
| return 0; |
| } |
| |
| #ifdef FIO_HAVE_IOPRIO |
| static int str_prioclass_cb(void *data, unsigned int *val) |
| { |
| struct thread_data *td = data; |
| |
| td->ioprio |= *val << IOPRIO_CLASS_SHIFT; |
| return 0; |
| } |
| |
| static int str_prio_cb(void *data, unsigned int *val) |
| { |
| struct thread_data *td = data; |
| |
| td->ioprio |= *val; |
| return 0; |
| } |
| #endif |
| |
| static int str_exitall_cb(void) |
| { |
| exitall_on_terminate = 1; |
| return 0; |
| } |
| |
| static int str_cpumask_cb(void *data, unsigned int *val) |
| { |
| struct thread_data *td = data; |
| |
| fill_cpu_mask(td->cpumask, *val); |
| return 0; |
| } |
| |
| /* |
| * This is our [ini] type file parser. |
| */ |
| int parse_jobs_ini(char *file, int stonewall_flag) |
| { |
| unsigned int global; |
| struct thread_data *td; |
| char *string, *name; |
| fpos_t off; |
| FILE *f; |
| char *p; |
| int ret = 0, stonewall; |
| |
| f = fopen(file, "r"); |
| if (!f) { |
| perror("fopen job file"); |
| return 1; |
| } |
| |
| string = malloc(4096); |
| name = malloc(256); |
| memset(name, 0, 256); |
| |
| stonewall = stonewall_flag; |
| do { |
| p = fgets(string, 4095, f); |
| if (!p) |
| break; |
| if (is_empty_or_comment(p)) |
| continue; |
| if (sscanf(p, "[%255s]", name) != 1) |
| continue; |
| |
| global = !strncmp(name, "global", 6); |
| |
| name[strlen(name) - 1] = '\0'; |
| |
| td = get_new_job(global, &def_thread); |
| if (!td) { |
| ret = 1; |
| break; |
| } |
| |
| /* |
| * Seperate multiple job files by a stonewall |
| */ |
| if (!global && stonewall) { |
| td->stonewall = stonewall; |
| stonewall = 0; |
| } |
| |
| fgetpos(f, &off); |
| while ((p = fgets(string, 4096, f)) != NULL) { |
| if (is_empty_or_comment(p)) |
| continue; |
| |
| strip_blank_front(&p); |
| |
| if (p[0] == '[') |
| break; |
| |
| strip_blank_end(p); |
| |
| fgetpos(f, &off); |
| |
| /* |
| * Don't break here, continue parsing options so we |
| * dump all the bad ones. Makes trial/error fixups |
| * easier on the user. |
| */ |
| ret |= parse_option(p, options, td); |
| } |
| |
| if (!ret) { |
| fsetpos(f, &off); |
| ret = add_job(td, name, 0); |
| } else { |
| log_err("fio: job %s dropped\n", name); |
| put_job(td); |
| } |
| } while (!ret); |
| |
| free(string); |
| free(name); |
| fclose(f); |
| return ret; |
| } |
| |
| static int fill_def_thread(void) |
| { |
| memset(&def_thread, 0, sizeof(def_thread)); |
| |
| if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { |
| perror("sched_getaffinity"); |
| return 1; |
| } |
| |
| /* |
| * fill globals |
| */ |
| def_thread.ddir = DDIR_READ; |
| def_thread.iomix = 0; |
| def_thread.bs[DDIR_READ] = DEF_BS; |
| def_thread.bs[DDIR_WRITE] = DEF_BS; |
| def_thread.min_bs[DDIR_READ] = def_thread.min_bs[DDIR_WRITE] = 0; |
| def_thread.max_bs[DDIR_READ] = def_thread.max_bs[DDIR_WRITE] = 0; |
| def_thread.odirect = DEF_ODIRECT; |
| def_thread.ratecycle = DEF_RATE_CYCLE; |
| def_thread.sequential = DEF_SEQUENTIAL; |
| def_thread.timeout = def_timeout; |
| def_thread.overwrite = DEF_OVERWRITE; |
| def_thread.invalidate_cache = DEF_INVALIDATE; |
| def_thread.sync_io = DEF_SYNCIO; |
| def_thread.mem_type = MEM_MALLOC; |
| def_thread.bw_avg_time = DEF_BWAVGTIME; |
| def_thread.create_serialize = DEF_CREATE_SER; |
| def_thread.create_fsync = DEF_CREATE_FSYNC; |
| def_thread.loops = DEF_LOOPS; |
| def_thread.verify = DEF_VERIFY; |
| def_thread.stonewall = DEF_STONEWALL; |
| def_thread.numjobs = DEF_NUMJOBS; |
| def_thread.use_thread = DEF_USE_THREAD; |
| def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
| def_thread.rwmixread = DEF_RWMIX_READ; |
| def_thread.nice = DEF_NICE; |
| def_thread.rand_repeatable = DEF_RAND_REPEAT; |
| def_thread.nr_files = DEF_NR_FILES; |
| def_thread.unlink = DEF_UNLINK; |
| def_thread.write_bw_log = write_bw_log; |
| def_thread.write_lat_log = write_lat_log; |
| def_thread.norandommap = DEF_NO_RAND_MAP; |
| #ifdef FIO_HAVE_DISK_UTIL |
| def_thread.do_disk_util = 1; |
| #endif |
| |
| return 0; |
| } |
| |
| static void usage(void) |
| { |
| printf("%s\n", fio_version_string); |
| printf("\t--output\tWrite output to file\n"); |
| printf("\t--timeout\tRuntime in seconds\n"); |
| printf("\t--latency-log\tGenerate per-job latency logs\n"); |
| printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); |
| printf("\t--minimal\tMinimal (terse) output\n"); |
| printf("\t--version\tPrint version info and exit\n"); |
| } |
| |
| static int parse_cmd_line(int argc, char *argv[]) |
| { |
| struct thread_data *td = NULL; |
| int c, ini_idx = 0, lidx, ret; |
| |
| while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
| switch (c) { |
| case 't': |
| def_timeout = atoi(optarg); |
| break; |
| case 'l': |
| write_lat_log = 1; |
| break; |
| case 'w': |
| write_bw_log = 1; |
| break; |
| case 'o': |
| f_out = fopen(optarg, "w+"); |
| if (!f_out) { |
| perror("fopen output"); |
| exit(1); |
| } |
| f_err = f_out; |
| break; |
| case 'm': |
| terse_output = 1; |
| break; |
| case 'h': |
| usage(); |
| exit(0); |
| case 'v': |
| printf("%s\n", fio_version_string); |
| exit(0); |
| case FIO_GETOPT_JOB: { |
| const char *opt = long_options[lidx].name; |
| char *val = optarg; |
| |
| if (!strncmp(opt, "name", 4) && td) { |
| ret = add_job(td, td->name ?: "fio", 0); |
| if (ret) { |
| put_job(td); |
| return 0; |
| } |
| td = NULL; |
| } |
| if (!td) { |
| int global = !strncmp(val, "global", 6); |
| |
| td = get_new_job(global, &def_thread); |
| if (!td) |
| return 0; |
| } |
| |
| ret = parse_cmd_option(opt, val, options, td); |
| if (ret) { |
| log_err("fio: job dropped\n"); |
| put_job(td); |
| td = NULL; |
| } |
| break; |
| } |
| default: |
| printf("optarg <<%s>>\n", argv[optind]); |
| break; |
| } |
| } |
| |
| if (td) { |
| ret = add_job(td, td->name ?: "fio", 0); |
| if (ret) |
| put_job(td); |
| } |
| |
| while (optind < argc) { |
| ini_idx++; |
| ini_file = realloc(ini_file, ini_idx * sizeof(char *)); |
| ini_file[ini_idx - 1] = strdup(argv[optind]); |
| optind++; |
| } |
| |
| return ini_idx; |
| } |
| |
| static void free_shm(void) |
| { |
| struct shmid_ds sbuf; |
| |
| if (threads) { |
| shmdt((void *) threads); |
| threads = NULL; |
| shmctl(shm_id, IPC_RMID, &sbuf); |
| } |
| } |
| |
| /* |
| * The thread area is shared between the main process and the job |
| * threads/processes. So setup a shared memory segment that will hold |
| * all the job info. |
| */ |
| static int setup_thread_area(void) |
| { |
| /* |
| * 1024 is too much on some machines, scale max_jobs if |
| * we get a failure that looks like too large a shm segment |
| */ |
| do { |
| size_t size = max_jobs * sizeof(struct thread_data); |
| |
| shm_id = shmget(0, size, IPC_CREAT | 0600); |
| if (shm_id != -1) |
| break; |
| if (errno != EINVAL) { |
| perror("shmget"); |
| break; |
| } |
| |
| max_jobs >>= 1; |
| } while (max_jobs); |
| |
| if (shm_id == -1) |
| return 1; |
| |
| threads = shmat(shm_id, NULL, 0); |
| if (threads == (void *) -1) { |
| perror("shmat"); |
| return 1; |
| } |
| |
| atexit(free_shm); |
| return 0; |
| } |
| |
| /* |
| * Copy the fio options into the long options map, so we mirror |
| * job and cmd line options. |
| */ |
| static void dupe_job_options(void) |
| { |
| struct fio_option *o; |
| unsigned int i; |
| |
| i = 0; |
| while (long_options[i].name) |
| i++; |
| |
| o = &options[0]; |
| while (o->name) { |
| long_options[i].name = 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_JOB_OPTS + FIO_CMD_OPTS); |
| } |
| } |
| |
| int parse_options(int argc, char *argv[]) |
| { |
| int job_files, i; |
| |
| f_out = stdout; |
| f_err = stderr; |
| |
| dupe_job_options(); |
| |
| if (setup_thread_area()) |
| return 1; |
| if (fill_def_thread()) |
| return 1; |
| |
| job_files = parse_cmd_line(argc, argv); |
| |
| for (i = 0; i < job_files; i++) { |
| if (fill_def_thread()) |
| return 1; |
| if (parse_jobs_ini(ini_file[i], i)) |
| return 1; |
| free(ini_file[i]); |
| } |
| |
| free(ini_file); |
| |
| if (!thread_number) { |
| log_err("No jobs defined(s)\n"); |
| return 1; |
| } |
| |
| return 0; |
| } |