| /* |
| * 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 <sys/ipc.h> |
| #include <sys/shm.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| #include "fio.h" |
| #include "parse.h" |
| #include "smalloc.h" |
| #include "filehash.h" |
| #include "verify.h" |
| #include "profile.h" |
| #include "server.h" |
| |
| #include "lib/getopt.h" |
| |
| #include "fio_version.h" |
| |
| #if FIO_PATCH > 0 |
| const char fio_version_string[] = __fio_stringify(FIO_MAJOR) "." \ |
| __fio_stringify(FIO_MINOR) "." \ |
| __fio_stringify(FIO_PATCH); |
| #else |
| const char fio_version_string[] = __fio_stringify(FIO_MAJOR) "." \ |
| __fio_stringify(FIO_MINOR); |
| #endif |
| |
| #define FIO_RANDSEED (0xb1899bedUL) |
| |
| static char **ini_file; |
| static int max_jobs = FIO_MAX_JOBS; |
| static int dump_cmdline; |
| static int def_timeout; |
| |
| static struct thread_data def_thread; |
| struct thread_data *threads = NULL; |
| |
| int exitall_on_terminate = 0; |
| int terse_output = 0; |
| int eta_print; |
| unsigned long long mlock_size = 0; |
| FILE *f_out = NULL; |
| FILE *f_err = NULL; |
| char **job_sections = NULL; |
| int nr_job_sections = 0; |
| char *exec_profile = NULL; |
| int warnings_fatal = 0; |
| int terse_version = 2; |
| int is_backend = 0; |
| int nr_clients = 0; |
| int log_syslog = 0; |
| |
| int write_bw_log = 0; |
| int read_only = 0; |
| |
| static int write_lat_log; |
| |
| static int prev_group_jobs; |
| |
| unsigned long fio_debug = 0; |
| unsigned int fio_debug_jobno = -1; |
| unsigned int *fio_debug_jobp = NULL; |
| |
| static char cmd_optstr[256]; |
| static int did_arg; |
| |
| const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN] = { |
| { .u.f = 1.0 }, |
| { .u.f = 5.0 }, |
| { .u.f = 10.0 }, |
| { .u.f = 20.0 }, |
| { .u.f = 30.0 }, |
| { .u.f = 40.0 }, |
| { .u.f = 50.0 }, |
| { .u.f = 60.0 }, |
| { .u.f = 70.0 }, |
| { .u.f = 80.0 }, |
| { .u.f = 90.0 }, |
| { .u.f = 95.0 }, |
| { .u.f = 99.0 }, |
| { .u.f = 99.5 }, |
| { .u.f = 99.9 }, |
| }; |
| |
| #define FIO_CLIENT_FLAG (1 << 16) |
| |
| /* |
| * Command line options. These will contain the above, plus a few |
| * extra that only pertain to fio itself and not jobs. |
| */ |
| static struct option l_opts[FIO_NR_OPTIONS] = { |
| { |
| .name = (char *) "output", |
| .has_arg = required_argument, |
| .val = 'o' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "timeout", |
| .has_arg = required_argument, |
| .val = 't' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "latency-log", |
| .has_arg = required_argument, |
| .val = 'l' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "bandwidth-log", |
| .has_arg = required_argument, |
| .val = 'b' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "minimal", |
| .has_arg = optional_argument, |
| .val = 'm' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "version", |
| .has_arg = no_argument, |
| .val = 'v' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "help", |
| .has_arg = no_argument, |
| .val = 'h' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "cmdhelp", |
| .has_arg = optional_argument, |
| .val = 'c' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "showcmd", |
| .has_arg = no_argument, |
| .val = 's' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "readonly", |
| .has_arg = no_argument, |
| .val = 'r' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "eta", |
| .has_arg = required_argument, |
| .val = 'e' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "debug", |
| .has_arg = required_argument, |
| .val = 'd' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "section", |
| .has_arg = required_argument, |
| .val = 'x' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "alloc-size", |
| .has_arg = required_argument, |
| .val = 'a' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "profile", |
| .has_arg = required_argument, |
| .val = 'p' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "warnings-fatal", |
| .has_arg = no_argument, |
| .val = 'w' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "max-jobs", |
| .has_arg = required_argument, |
| .val = 'j' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "terse-version", |
| .has_arg = required_argument, |
| .val = 'V' | FIO_CLIENT_FLAG, |
| }, |
| { |
| .name = (char *) "server", |
| .has_arg = optional_argument, |
| .val = 'S', |
| }, |
| { .name = (char *) "daemonize", |
| .has_arg = required_argument, |
| .val = 'D', |
| }, |
| { |
| .name = (char *) "client", |
| .has_arg = required_argument, |
| .val = 'C', |
| }, |
| { |
| .name = NULL, |
| }, |
| }; |
| |
| static void free_shm(void) |
| { |
| struct shmid_ds sbuf; |
| |
| if (threads) { |
| void *tp = threads; |
| |
| threads = NULL; |
| file_hash_exit(); |
| fio_debug_jobp = NULL; |
| shmdt(tp); |
| shmctl(shm_id, IPC_RMID, &sbuf); |
| } |
| |
| scleanup(); |
| } |
| |
| /* |
| * 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. We use the end of the region for keeping track of |
| * open files across jobs, for file sharing. |
| */ |
| static int setup_thread_area(void) |
| { |
| void *hash; |
| |
| if (threads) |
| return 0; |
| |
| /* |
| * 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); |
| |
| size += file_hash_size; |
| size += sizeof(unsigned int); |
| |
| 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; |
| } |
| |
| memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
| hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
| fio_debug_jobp = (void *) hash + file_hash_size; |
| *fio_debug_jobp = -1; |
| file_hash_init(hash); |
| return 0; |
| } |
| |
| /* |
| * 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 (setup_thread_area()) { |
| log_err("error: failed to setup shm segment\n"); |
| return NULL; |
| } |
| if (thread_number >= max_jobs) { |
| log_err("error: maximum number of jobs (%d) reached.\n", |
| max_jobs); |
| return NULL; |
| } |
| |
| td = &threads[thread_number++]; |
| *td = *parent; |
| |
| td->o.uid = td->o.gid = -1U; |
| |
| dup_files(td, parent); |
| options_mem_dupe(td); |
| |
| profile_add_hooks(td); |
| |
| td->thread_number = thread_number; |
| return td; |
| } |
| |
| static void put_job(struct thread_data *td) |
| { |
| if (td == &def_thread) |
| return; |
| |
| profile_td_exit(td); |
| |
| if (td->error) |
| log_info("fio: %s\n", td->verror); |
| |
| fio_options_free(td); |
| |
| memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| thread_number--; |
| } |
| |
| static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
| { |
| unsigned int bs = td->o.min_bs[ddir]; |
| unsigned long long bytes_per_sec; |
| |
| assert(ddir_rw(ddir)); |
| |
| if (td->o.rate[ddir]) |
| bytes_per_sec = td->o.rate[ddir]; |
| else |
| bytes_per_sec = td->o.rate_iops[ddir] * bs; |
| |
| if (!bytes_per_sec) { |
| log_err("rate lower than supported\n"); |
| return -1; |
| } |
| |
| td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
| td->rate_pending_usleep[ddir] = 0; |
| return 0; |
| } |
| |
| static int setup_rate(struct thread_data *td) |
| { |
| int ret = 0; |
| |
| if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) |
| ret = __setup_rate(td, DDIR_READ); |
| if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) |
| ret |= __setup_rate(td, DDIR_WRITE); |
| |
| return ret; |
| } |
| |
| static int fixed_block_size(struct thread_options *o) |
| { |
| return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && |
| o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && |
| o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; |
| } |
| |
| /* |
| * Lazy way of fixing up options that depend on each other. We could also |
| * define option callback handlers, but this is easier. |
| */ |
| static int fixup_options(struct thread_data *td) |
| { |
| struct thread_options *o = &td->o; |
| int ret = 0; |
| |
| #ifndef FIO_HAVE_PSHARED_MUTEX |
| if (!o->use_thread) { |
| log_info("fio: this platform does not support process shared" |
| " mutexes, forcing use of threads. Use the 'thread'" |
| " option to get rid of this warning.\n"); |
| o->use_thread = 1; |
| ret = warnings_fatal; |
| } |
| #endif |
| |
| if (o->write_iolog_file && o->read_iolog_file) { |
| log_err("fio: read iolog overrides write_iolog\n"); |
| free(o->write_iolog_file); |
| o->write_iolog_file = NULL; |
| ret = warnings_fatal; |
| } |
| |
| /* |
| * only really works for sequential io for now, and with 1 file |
| */ |
| if (o->zone_size && td_random(td) && o->open_files == 1) |
| o->zone_size = 0; |
| |
| /* |
| * Reads can do overwrites, we always need to pre-create the file |
| */ |
| if (td_read(td) || td_rw(td)) |
| o->overwrite = 1; |
| |
| if (!o->min_bs[DDIR_READ]) |
| o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
| if (!o->max_bs[DDIR_READ]) |
| o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; |
| if (!o->min_bs[DDIR_WRITE]) |
| o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
| if (!o->max_bs[DDIR_WRITE]) |
| o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
| |
| o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
| |
| /* |
| * For random IO, allow blockalign offset other than min_bs. |
| */ |
| if (!o->ba[DDIR_READ] || !td_random(td)) |
| o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; |
| if (!o->ba[DDIR_WRITE] || !td_random(td)) |
| o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; |
| |
| if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || |
| o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && |
| !o->norandommap) { |
| log_err("fio: Any use of blockalign= turns off randommap\n"); |
| o->norandommap = 1; |
| ret = warnings_fatal; |
| } |
| |
| if (!o->file_size_high) |
| o->file_size_high = o->file_size_low; |
| |
| if (o->norandommap && o->verify != VERIFY_NONE |
| && !fixed_block_size(o)) { |
| log_err("fio: norandommap given for variable block sizes, " |
| "verify disabled\n"); |
| o->verify = VERIFY_NONE; |
| ret = warnings_fatal; |
| } |
| if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
| log_err("fio: bs_unaligned may not work with raw io\n"); |
| |
| /* |
| * thinktime_spin must be less than thinktime |
| */ |
| if (o->thinktime_spin > o->thinktime) |
| o->thinktime_spin = o->thinktime; |
| |
| /* |
| * The low water mark cannot be bigger than the iodepth |
| */ |
| if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
| /* |
| * syslet work around - if the workload is sequential, |
| * we want to let the queue drain all the way down to |
| * avoid seeking between async threads |
| */ |
| if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) |
| o->iodepth_low = 1; |
| else |
| o->iodepth_low = o->iodepth; |
| } |
| |
| /* |
| * If batch number isn't set, default to the same as iodepth |
| */ |
| if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
| o->iodepth_batch = o->iodepth; |
| |
| if (o->nr_files > td->files_index) |
| o->nr_files = td->files_index; |
| |
| if (o->open_files > o->nr_files || !o->open_files) |
| o->open_files = o->nr_files; |
| |
| if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
| ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + |
| o->rate_iops_min[1]))) { |
| log_err("fio: rate and rate_iops are mutually exclusive\n"); |
| ret = 1; |
| } |
| if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
| (o->rate_iops[0] < o->rate_iops_min[0]) || |
| (o->rate_iops[1] < o->rate_iops_min[1])) { |
| log_err("fio: minimum rate exceeds rate\n"); |
| ret = 1; |
| } |
| |
| if (!o->timeout && o->time_based) { |
| log_err("fio: time_based requires a runtime/timeout setting\n"); |
| o->time_based = 0; |
| ret = warnings_fatal; |
| } |
| |
| if (o->fill_device && !o->size) |
| o->size = -1ULL; |
| |
| if (o->verify != VERIFY_NONE) { |
| if (td_write(td) && o->do_verify && o->numjobs > 1) { |
| log_info("Multiple writers may overwrite blocks that " |
| "belong to other jobs. This can cause " |
| "verification failures.\n"); |
| ret = warnings_fatal; |
| } |
| |
| o->refill_buffers = 1; |
| if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
| !o->verify_interval) |
| o->verify_interval = o->min_bs[DDIR_WRITE]; |
| } |
| |
| if (o->pre_read) { |
| o->invalidate_cache = 0; |
| if (td->io_ops->flags & FIO_PIPEIO) { |
| log_info("fio: cannot pre-read files with an IO engine" |
| " that isn't seekable. Pre-read disabled.\n"); |
| ret = warnings_fatal; |
| } |
| } |
| |
| #ifndef FIO_HAVE_FDATASYNC |
| if (o->fdatasync_blocks) { |
| log_info("fio: this platform does not support fdatasync()" |
| " falling back to using fsync(). Use the 'fsync'" |
| " option instead of 'fdatasync' to get rid of" |
| " this warning\n"); |
| o->fsync_blocks = o->fdatasync_blocks; |
| o->fdatasync_blocks = 0; |
| ret = warnings_fatal; |
| } |
| #endif |
| |
| return ret; |
| } |
| |
| /* |
| * This function leaks the buffer |
| */ |
| static char *to_kmg(unsigned int val) |
| { |
| char *buf = malloc(32); |
| char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
| char *p = post; |
| |
| do { |
| if (val & 1023) |
| break; |
| |
| val >>= 10; |
| p++; |
| } while (*p); |
| |
| snprintf(buf, 31, "%u%c", val, *p); |
| return buf; |
| } |
| |
| /* External engines are specified by "external:name.o") */ |
| static const char *get_engine_name(const char *str) |
| { |
| char *p = strstr(str, ":"); |
| |
| if (!p) |
| return str; |
| |
| p++; |
| strip_blank_front(&p); |
| strip_blank_end(p); |
| return p; |
| } |
| |
| static int exists_and_not_file(const char *filename) |
| { |
| struct stat sb; |
| |
| if (lstat(filename, &sb) == -1) |
| return 0; |
| |
| /* \\.\ is the device namespace in Windows, where every file |
| * is a device node */ |
| if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) |
| return 0; |
| |
| return 1; |
| } |
| |
| static void td_fill_rand_seeds_os(struct thread_data *td) |
| { |
| os_random_seed(td->rand_seeds[0], &td->bsrange_state); |
| os_random_seed(td->rand_seeds[1], &td->verify_state); |
| os_random_seed(td->rand_seeds[2], &td->rwmix_state); |
| |
| if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
| os_random_seed(td->rand_seeds[3], &td->next_file_state); |
| |
| os_random_seed(td->rand_seeds[5], &td->file_size_state); |
| os_random_seed(td->rand_seeds[6], &td->trim_state); |
| |
| if (!td_random(td)) |
| return; |
| |
| if (td->o.rand_repeatable) |
| td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; |
| |
| os_random_seed(td->rand_seeds[4], &td->random_state); |
| } |
| |
| static void td_fill_rand_seeds_internal(struct thread_data *td) |
| { |
| init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); |
| init_rand_seed(&td->__verify_state, td->rand_seeds[1]); |
| init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); |
| |
| if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
| init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); |
| |
| init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); |
| init_rand_seed(&td->__trim_state, td->rand_seeds[6]); |
| |
| if (!td_random(td)) |
| return; |
| |
| if (td->o.rand_repeatable) |
| td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; |
| |
| init_rand_seed(&td->__random_state, td->rand_seeds[4]); |
| } |
| |
| void td_fill_rand_seeds(struct thread_data *td) |
| { |
| if (td->o.use_os_rand) |
| td_fill_rand_seeds_os(td); |
| else |
| td_fill_rand_seeds_internal(td); |
| |
| init_rand_seed(&td->buf_state, td->rand_seeds[7]); |
| } |
| |
| /* |
| * Initialize the various random states we need (random io, block size ranges, |
| * read/write mix, etc). |
| */ |
| static int init_random_state(struct thread_data *td) |
| { |
| int fd; |
| |
| fd = open("/dev/urandom", O_RDONLY); |
| if (fd == -1) { |
| td_verror(td, errno, "open"); |
| return 1; |
| } |
| |
| if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
| (int) sizeof(td->rand_seeds)) { |
| td_verror(td, EIO, "read"); |
| close(fd); |
| return 1; |
| } |
| |
| close(fd); |
| td_fill_rand_seeds(td); |
| return 0; |
| } |
| |
| /* |
| * 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[] = { NULL, "read", "write", "rw", NULL, |
| "randread", "randwrite", "randrw" }; |
| unsigned int i; |
| const char *engine; |
| char fname[PATH_MAX]; |
| int numjobs, file_alloced; |
| |
| /* |
| * the def_thread is just for options, it's not a real job |
| */ |
| if (td == &def_thread) |
| return 0; |
| |
| /* |
| * if we are just dumping the output command line, don't add the job |
| */ |
| if (dump_cmdline) { |
| put_job(td); |
| return 0; |
| } |
| |
| if (profile_td_init(td)) |
| goto err; |
| |
| engine = get_engine_name(td->o.ioengine); |
| td->io_ops = load_ioengine(td, engine); |
| if (!td->io_ops) { |
| log_err("fio: failed to load engine %s\n", engine); |
| goto err; |
| } |
| |
| if (td->o.use_thread) |
| nr_thread++; |
| else |
| nr_process++; |
| |
| if (td->o.odirect) |
| td->io_ops->flags |= FIO_RAWIO; |
| |
| file_alloced = 0; |
| if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
| file_alloced = 1; |
| |
| if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
| add_file(td, jobname); |
| else { |
| for (i = 0; i < td->o.nr_files; i++) { |
| sprintf(fname, "%s.%d.%d", jobname, |
| td->thread_number, i); |
| add_file(td, fname); |
| } |
| } |
| } |
| |
| if (fixup_options(td)) |
| goto err; |
| |
| if (td->io_ops->flags & FIO_DISKLESSIO) { |
| struct fio_file *f; |
| |
| for_each_file(td, f, i) |
| f->real_file_size = -1ULL; |
| } |
| |
| td->mutex = fio_mutex_init(0); |
| |
| td->ts.clat_percentiles = td->o.clat_percentiles; |
| if (td->o.overwrite_plist) |
| memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); |
| else |
| memcpy(td->ts.percentile_list, def_percentile_list, sizeof(def_percentile_list)); |
| |
| td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
| td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; |
| td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; |
| td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
| td->ddir_seq_nr = td->o.ddir_seq_nr; |
| |
| if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
| prev_group_jobs = 0; |
| groupid++; |
| } |
| |
| td->groupid = groupid; |
| prev_group_jobs++; |
| |
| if (init_random_state(td)) |
| goto err; |
| |
| if (setup_rate(td)) |
| goto err; |
| |
| if (td->o.write_lat_log) { |
| setup_log(&td->lat_log); |
| setup_log(&td->slat_log); |
| setup_log(&td->clat_log); |
| } |
| if (td->o.write_bw_log) |
| setup_log(&td->bw_log); |
| if (td->o.write_iops_log) |
| setup_log(&td->iops_log); |
| |
| if (!td->o.name) |
| td->o.name = strdup(jobname); |
| |
| if (!terse_output) { |
| if (!job_add_num) { |
| if (!strcmp(td->io_ops->name, "cpuio")) { |
| log_info("%s: ioengine=cpu, cpuload=%u," |
| " cpucycle=%u\n", td->o.name, |
| td->o.cpuload, |
| td->o.cpucycle); |
| } else { |
| char *c1, *c2, *c3, *c4; |
| |
| c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
| c2 = to_kmg(td->o.max_bs[DDIR_READ]); |
| c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); |
| c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); |
| |
| log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
| " ioengine=%s, iodepth=%u\n", |
| td->o.name, td->groupid, |
| ddir_str[td->o.td_ddir], |
| c1, c2, c3, c4, |
| td->io_ops->name, |
| td->o.iodepth); |
| |
| free(c1); |
| free(c2); |
| free(c3); |
| free(c4); |
| } |
| } else if (job_add_num == 1) |
| log_info("...\n"); |
| } |
| |
| /* |
| * recurse add identical jobs, clear numjobs and stonewall options |
| * as they don't apply to sub-jobs |
| */ |
| numjobs = td->o.numjobs; |
| while (--numjobs) { |
| struct thread_data *td_new = get_new_job(0, td); |
| |
| if (!td_new) |
| goto err; |
| |
| td_new->o.numjobs = 1; |
| td_new->o.stonewall = 0; |
| td_new->o.new_group = 0; |
| |
| if (file_alloced) { |
| td_new->o.filename = NULL; |
| td_new->files_index = 0; |
| td_new->files_size = 0; |
| td_new->files = NULL; |
| } |
| |
| job_add_num = numjobs - 1; |
| |
| if (add_job(td_new, jobname, job_add_num)) |
| goto err; |
| } |
| |
| return 0; |
| err: |
| put_job(td); |
| return -1; |
| } |
| |
| /* |
| * Parse as if 'o' was a command line |
| */ |
| void add_job_opts(const char **o) |
| { |
| struct thread_data *td, *td_parent; |
| int i, in_global = 1; |
| char jobname[32]; |
| |
| i = 0; |
| td_parent = td = NULL; |
| while (o[i]) { |
| if (!strncmp(o[i], "name", 4)) { |
| in_global = 0; |
| if (td) |
| add_job(td, jobname, 0); |
| td = NULL; |
| sprintf(jobname, "%s", o[i] + 5); |
| } |
| if (in_global && !td_parent) |
| td_parent = get_new_job(1, &def_thread); |
| else if (!in_global && !td) { |
| if (!td_parent) |
| td_parent = &def_thread; |
| td = get_new_job(0, td_parent); |
| } |
| if (in_global) |
| fio_options_parse(td_parent, (char **) &o[i], 1); |
| else |
| fio_options_parse(td, (char **) &o[i], 1); |
| i++; |
| } |
| |
| if (td) |
| add_job(td, jobname, 0); |
| } |
| |
| static int skip_this_section(const char *name) |
| { |
| int i; |
| |
| if (!nr_job_sections) |
| return 0; |
| if (!strncmp(name, "global", 6)) |
| return 0; |
| |
| for (i = 0; i < nr_job_sections; i++) |
| if (!strcmp(job_sections[i], name)) |
| return 0; |
| |
| return 1; |
| } |
| |
| static int is_empty_or_comment(char *line) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < strlen(line); i++) { |
| if (line[i] == ';') |
| return 1; |
| if (line[i] == '#') |
| return 1; |
| if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| /* |
| * This is our [ini] type file parser. |
| */ |
| int parse_jobs_ini(char *file, int is_buf, int stonewall_flag) |
| { |
| unsigned int global; |
| struct thread_data *td; |
| char *string, *name; |
| FILE *f; |
| char *p; |
| int ret = 0, stonewall; |
| int first_sect = 1; |
| int skip_fgets = 0; |
| int inside_skip = 0; |
| char **opts; |
| int i, alloc_opts, num_opts; |
| |
| if (is_buf) |
| f = NULL; |
| else { |
| if (!strcmp(file, "-")) |
| f = stdin; |
| else |
| f = fopen(file, "r"); |
| |
| if (!f) { |
| perror("fopen job file"); |
| return 1; |
| } |
| } |
| |
| string = malloc(4096); |
| |
| /* |
| * it's really 256 + small bit, 280 should suffice |
| */ |
| name = malloc(280); |
| memset(name, 0, 280); |
| |
| alloc_opts = 8; |
| opts = malloc(sizeof(char *) * alloc_opts); |
| num_opts = 0; |
| |
| stonewall = stonewall_flag; |
| do { |
| /* |
| * if skip_fgets is set, we already have loaded a line we |
| * haven't handled. |
| */ |
| if (!skip_fgets) { |
| if (is_buf) |
| p = strsep(&file, "\n"); |
| else |
| p = fgets(string, 4095, f); |
| if (!p) |
| break; |
| } |
| |
| skip_fgets = 0; |
| strip_blank_front(&p); |
| strip_blank_end(p); |
| |
| if (is_empty_or_comment(p)) |
| continue; |
| if (sscanf(p, "[%255[^\n]]", name) != 1) { |
| if (inside_skip) |
| continue; |
| log_err("fio: option <%s> outside of [] job section\n", |
| p); |
| break; |
| } |
| |
| name[strlen(name) - 1] = '\0'; |
| |
| if (skip_this_section(name)) { |
| inside_skip = 1; |
| continue; |
| } else |
| inside_skip = 0; |
| |
| global = !strncmp(name, "global", 6); |
| |
| if (dump_cmdline) { |
| if (first_sect) |
| log_info("fio "); |
| if (!global) |
| log_info("--name=%s ", name); |
| first_sect = 0; |
| } |
| |
| td = get_new_job(global, &def_thread); |
| if (!td) { |
| ret = 1; |
| break; |
| } |
| |
| /* |
| * Seperate multiple job files by a stonewall |
| */ |
| if (!global && stonewall) { |
| td->o.stonewall = stonewall; |
| stonewall = 0; |
| } |
| |
| num_opts = 0; |
| memset(opts, 0, alloc_opts * sizeof(char *)); |
| |
| while (1) { |
| if (is_buf) |
| p = strsep(&file, "\n"); |
| else |
| p = fgets(string, 4096, f); |
| if (!p) |
| break; |
| |
| if (is_empty_or_comment(p)) |
| continue; |
| |
| strip_blank_front(&p); |
| |
| /* |
| * new section, break out and make sure we don't |
| * fgets() a new line at the top. |
| */ |
| if (p[0] == '[') { |
| skip_fgets = 1; |
| break; |
| } |
| |
| strip_blank_end(p); |
| |
| if (num_opts == alloc_opts) { |
| alloc_opts <<= 1; |
| opts = realloc(opts, |
| alloc_opts * sizeof(char *)); |
| } |
| |
| opts[num_opts] = strdup(p); |
| num_opts++; |
| } |
| |
| ret = fio_options_parse(td, opts, num_opts); |
| if (!ret) { |
| if (dump_cmdline) |
| for (i = 0; i < num_opts; i++) |
| log_info("--%s ", opts[i]); |
| |
| ret = add_job(td, name, 0); |
| } else { |
| log_err("fio: job %s dropped\n", name); |
| put_job(td); |
| } |
| |
| for (i = 0; i < num_opts; i++) |
| free(opts[i]); |
| num_opts = 0; |
| } while (!ret); |
| |
| if (dump_cmdline) |
| log_info("\n"); |
| |
| i = 0; |
| while (i < nr_job_sections) { |
| free(job_sections[i]); |
| i++; |
| } |
| |
| for (i = 0; i < num_opts; i++) |
| free(opts[i]); |
| |
| free(string); |
| free(name); |
| free(opts); |
| if (!is_buf && f != stdin) |
| fclose(f); |
| return ret; |
| } |
| |
| static int fill_def_thread(void) |
| { |
| memset(&def_thread, 0, sizeof(def_thread)); |
| |
| fio_getaffinity(getpid(), &def_thread.o.cpumask); |
| def_thread.o.timeout = def_timeout; |
| |
| /* |
| * fill default options |
| */ |
| fio_fill_default_options(&def_thread); |
| return 0; |
| } |
| |
| static void usage(const char *name) |
| { |
| printf("fio %s\n", fio_version_string); |
| printf("%s [options] [job options] <job file(s)>\n", name); |
| printf("\t--debug=options\tEnable debug logging\n"); |
| 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"); |
| printf("\t--terse-version=x Terse version output format\n"); |
| printf("\t--help\t\tPrint this page\n"); |
| printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
| " them\n"); |
| printf("\t--showcmd\tTurn a job file into command line options\n"); |
| printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
| printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); |
| printf("\t--readonly\tTurn on safety read-only checks, preventing" |
| " writes\n"); |
| printf("\t--section=name\tOnly run specified section in job file\n"); |
| printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
| " (def 1024)\n"); |
| printf("\t--warnings-fatal Fio parser warnings are fatal\n"); |
| printf("\t--max-jobs\tMaximum number of threads/processes to support\n"); |
| printf("\t--server=args\tStart a backend fio server\n"); |
| printf("\t--daemonize=pidfile Background fio server, write pid to file\n"); |
| printf("\t--client=hostname Talk to remote backend fio server at hostname\n"); |
| printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
| printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); |
| } |
| |
| #ifdef FIO_INC_DEBUG |
| struct debug_level debug_levels[] = { |
| { .name = "process", .shift = FD_PROCESS, }, |
| { .name = "file", .shift = FD_FILE, }, |
| { .name = "io", .shift = FD_IO, }, |
| { .name = "mem", .shift = FD_MEM, }, |
| { .name = "blktrace", .shift = FD_BLKTRACE }, |
| { .name = "verify", .shift = FD_VERIFY }, |
| { .name = "random", .shift = FD_RANDOM }, |
| { .name = "parse", .shift = FD_PARSE }, |
| { .name = "diskutil", .shift = FD_DISKUTIL }, |
| { .name = "job", .shift = FD_JOB }, |
| { .name = "mutex", .shift = FD_MUTEX }, |
| { .name = "profile", .shift = FD_PROFILE }, |
| { .name = "time", .shift = FD_TIME }, |
| { .name = "net", .shift = FD_NET }, |
| { .name = NULL, }, |
| }; |
| |
| static int set_debug(const char *string) |
| { |
| struct debug_level *dl; |
| char *p = (char *) string; |
| char *opt; |
| int i; |
| |
| if (!strcmp(string, "?") || !strcmp(string, "help")) { |
| log_info("fio: dumping debug options:"); |
| for (i = 0; debug_levels[i].name; i++) { |
| dl = &debug_levels[i]; |
| log_info("%s,", dl->name); |
| } |
| log_info("all\n"); |
| return 1; |
| } |
| |
| while ((opt = strsep(&p, ",")) != NULL) { |
| int found = 0; |
| |
| if (!strncmp(opt, "all", 3)) { |
| log_info("fio: set all debug options\n"); |
| fio_debug = ~0UL; |
| continue; |
| } |
| |
| for (i = 0; debug_levels[i].name; i++) { |
| dl = &debug_levels[i]; |
| found = !strncmp(opt, dl->name, strlen(dl->name)); |
| if (!found) |
| continue; |
| |
| if (dl->shift == FD_JOB) { |
| opt = strchr(opt, ':'); |
| if (!opt) { |
| log_err("fio: missing job number\n"); |
| break; |
| } |
| opt++; |
| fio_debug_jobno = atoi(opt); |
| log_info("fio: set debug jobno %d\n", |
| fio_debug_jobno); |
| } else { |
| log_info("fio: set debug option %s\n", opt); |
| fio_debug |= (1UL << dl->shift); |
| } |
| break; |
| } |
| |
| if (!found) |
| log_err("fio: debug mask %s not found\n", opt); |
| } |
| return 0; |
| } |
| #else |
| static int set_debug(const char *string) |
| { |
| log_err("fio: debug tracing not included in build\n"); |
| return 1; |
| } |
| #endif |
| |
| static void fio_options_fill_optstring(void) |
| { |
| char *ostr = cmd_optstr; |
| int i, c; |
| |
| c = i = 0; |
| while (l_opts[i].name) { |
| ostr[c++] = l_opts[i].val; |
| if (l_opts[i].has_arg == required_argument) |
| ostr[c++] = ':'; |
| else if (l_opts[i].has_arg == optional_argument) { |
| ostr[c++] = ':'; |
| ostr[c++] = ':'; |
| } |
| i++; |
| } |
| ostr[c] = '\0'; |
| } |
| |
| static int client_flag_set(char c) |
| { |
| int i; |
| |
| i = 0; |
| while (l_opts[i].name) { |
| int val = l_opts[i].val; |
| |
| if (c == (val & 0xff)) |
| return (val & FIO_CLIENT_FLAG); |
| |
| i++; |
| } |
| |
| return 0; |
| } |
| |
| void parse_cmd_client(void *client, char *opt) |
| { |
| fio_client_add_cmd_option(client, opt); |
| } |
| |
| int parse_cmd_line(int argc, char *argv[]) |
| { |
| struct thread_data *td = NULL; |
| int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
| char *ostr = cmd_optstr; |
| void *pid_file = NULL; |
| void *cur_client = NULL; |
| int backend = 0; |
| |
| /* |
| * Reset optind handling, since we may call this multiple times |
| * for the backend. |
| */ |
| optind = 1; |
| |
| while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
| did_arg = 1; |
| |
| if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { |
| parse_cmd_client(cur_client, argv[optind - 1]); |
| c &= ~FIO_CLIENT_FLAG; |
| } |
| |
| switch (c) { |
| case 'a': |
| smalloc_pool_size = atoi(optarg); |
| break; |
| case 't': |
| def_timeout = atoi(optarg); |
| break; |
| case 'l': |
| write_lat_log = 1; |
| break; |
| case 'b': |
| 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': |
| if (!cur_client) { |
| usage(argv[0]); |
| do_exit++; |
| } |
| break; |
| case 'c': |
| if (!cur_client) { |
| fio_show_option_help(optarg); |
| do_exit++; |
| } |
| break; |
| case 's': |
| dump_cmdline = 1; |
| break; |
| case 'r': |
| read_only = 1; |
| break; |
| case 'v': |
| if (!cur_client) { |
| log_info("fio %s\n", fio_version_string); |
| do_exit++; |
| } |
| break; |
| case 'V': |
| terse_version = atoi(optarg); |
| if (terse_version != 3) { |
| log_err("fio: bad terse version format\n"); |
| exit_val = 1; |
| do_exit++; |
| } |
| break; |
| case 'e': |
| if (!strcmp("always", optarg)) |
| eta_print = FIO_ETA_ALWAYS; |
| else if (!strcmp("never", optarg)) |
| eta_print = FIO_ETA_NEVER; |
| break; |
| case 'd': |
| if (set_debug(optarg)) |
| do_exit++; |
| break; |
| case 'x': { |
| size_t new_size; |
| |
| if (!strcmp(optarg, "global")) { |
| log_err("fio: can't use global as only " |
| "section\n"); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| new_size = (nr_job_sections + 1) * sizeof(char *); |
| job_sections = realloc(job_sections, new_size); |
| job_sections[nr_job_sections] = strdup(optarg); |
| nr_job_sections++; |
| break; |
| } |
| case 'p': |
| exec_profile = strdup(optarg); |
| break; |
| case FIO_GETOPT_JOB: { |
| const char *opt = l_opts[lidx].name; |
| char *val = optarg; |
| |
| if (!strncmp(opt, "name", 4) && td) { |
| ret = add_job(td, td->o.name ?: "fio", 0); |
| if (ret) |
| return 0; |
| td = NULL; |
| } |
| if (!td) { |
| int is_section = !strncmp(opt, "name", 4); |
| int global = 0; |
| |
| if (!is_section || !strncmp(val, "global", 6)) |
| global = 1; |
| |
| if (is_section && skip_this_section(val)) |
| continue; |
| |
| td = get_new_job(global, &def_thread); |
| if (!td) |
| return 0; |
| } |
| |
| ret = fio_cmd_option_parse(td, opt, val); |
| break; |
| } |
| case 'w': |
| warnings_fatal = 1; |
| break; |
| case 'j': |
| max_jobs = atoi(optarg); |
| if (!max_jobs || max_jobs > REAL_MAX_JOBS) { |
| log_err("fio: invalid max jobs: %d\n", max_jobs); |
| do_exit++; |
| exit_val = 1; |
| } |
| break; |
| case 'S': |
| if (nr_clients) { |
| log_err("fio: can't be both client and server\n"); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| if (optarg) |
| fio_server_set_arg(optarg); |
| is_backend = 1; |
| backend = 1; |
| break; |
| case 'D': |
| pid_file = strdup(optarg); |
| break; |
| case 'C': |
| if (is_backend) { |
| log_err("fio: can't be both client and server\n"); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| if (fio_client_add(optarg, &cur_client)) { |
| log_err("fio: failed adding client %s\n", optarg); |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| break; |
| default: |
| do_exit++; |
| exit_val = 1; |
| break; |
| } |
| if (do_exit) |
| break; |
| } |
| |
| if (do_exit) { |
| if (exit_val && !(is_backend || nr_clients)) |
| exit(exit_val); |
| } |
| |
| if (nr_clients && fio_clients_connect()) { |
| do_exit++; |
| exit_val = 1; |
| return -1; |
| } |
| |
| if (is_backend && backend) |
| return fio_start_server(pid_file); |
| |
| if (td) { |
| if (!ret) |
| ret = add_job(td, td->o.name ?: "fio", 0); |
| } |
| |
| while (!ret && 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; |
| } |
| |
| int parse_options(int argc, char *argv[]) |
| { |
| int job_files, i; |
| |
| f_out = stdout; |
| f_err = stderr; |
| |
| fio_options_fill_optstring(); |
| fio_options_dup_and_init(l_opts); |
| |
| atexit(free_shm); |
| |
| if (fill_def_thread()) |
| return 1; |
| |
| job_files = parse_cmd_line(argc, argv); |
| |
| if (job_files > 0) { |
| for (i = 0; i < job_files; i++) { |
| if (fill_def_thread()) |
| return 1; |
| if (nr_clients) { |
| if (fio_clients_send_ini(ini_file[i])) |
| return 1; |
| free(ini_file[i]); |
| } else if (!is_backend) { |
| if (parse_jobs_ini(ini_file[i], 0, i)) |
| return 1; |
| free(ini_file[i]); |
| } |
| } |
| } |
| |
| free(ini_file); |
| fio_options_free(&def_thread); |
| |
| if (!thread_number) { |
| if (dump_cmdline) |
| return 0; |
| if (exec_profile) |
| return 0; |
| if (is_backend || nr_clients) |
| return 0; |
| if (did_arg) |
| return 0; |
| |
| log_err("No jobs(s) defined\n\n"); |
| |
| if (!did_arg) { |
| usage(argv[0]); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| if (def_thread.o.gtod_offload) { |
| fio_gtod_init(); |
| fio_gtod_offload = 1; |
| fio_gtod_cpu = def_thread.o.gtod_cpu; |
| } |
| |
| if (!terse_output) |
| log_info("fio %s\n", fio_version_string); |
| |
| return 0; |
| } |