X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=76d8d816a62dff135518d77e216e9201fada335d;hp=b437f40c2be463e461abd94c2a1c4723af7ed2c2;hb=40f8298cd252157fa15d93f8eb470116a94069a0;hpb=9ebc27e1352b905fe3396ce2350a7765fe9c57b8 diff --git a/init.c b/init.c index b437f40c..76d8d816 100644 --- a/init.c +++ b/init.c @@ -1,3 +1,7 @@ +/* + * This file contains the ini and command liner parser. It will create + * and initialize the specified jobs. + */ #include #include #include @@ -12,6 +16,9 @@ #include "fio.h" +/* + * The default options + */ #define DEF_BS (4096) #define DEF_TIMEOUT (0) #define DEF_RATE_CYCLE (1000) @@ -21,7 +28,6 @@ #define DEF_SEQUENTIAL (1) #define DEF_RAND_REPEAT (1) #define DEF_OVERWRITE (1) -#define DEF_CREATE (1) #define DEF_INVALIDATE (1) #define DEF_SYNCIO (0) #define DEF_RANDSEED (0xb1899bedUL) @@ -39,10 +45,14 @@ #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) static int def_timeout = DEF_TIMEOUT; -static char fio_version_string[] = "fio 1.4"; +static char fio_version_string[] = "fio 1.5"; static char **ini_file; static int max_jobs = MAX_JOBS; @@ -51,13 +61,18 @@ struct thread_data def_thread; struct thread_data *threads = NULL; int rate_quit = 0; -int write_lat_log = 0; -int write_bw_log = 0; 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; @@ -71,7 +86,6 @@ static struct thread_data *get_new_job(int global, struct thread_data *parent) *td = *parent; td->name[0] = '\0'; - td->fd = -1; td->thread_number = thread_number; return td; } @@ -82,12 +96,18 @@ static void put_job(struct thread_data *td) thread_number--; } +/* + * 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) { char *ddir_str[] = { "read", "write", "randread", "randwrite", "rw", NULL, "randrw" }; struct stat sb; - int numjobs, ddir; + int numjobs, ddir, i; + struct fio_file *f; #ifndef FIO_HAVE_LIBAIO if (td->io_engine == FIO_LIBAIO) { @@ -108,19 +128,36 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) if (td == &def_thread) return 0; - if (td->io_engine & FIO_SYNCIO) + /* + * 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->io_ops->flags & FIO_SYNCIO) td->iodepth = 1; else { if (!td->iodepth) - td->iodepth = 1; + td->iodepth = td->nr_files; } /* - * only really works for sequential io for now + * only really works for sequential io for now, and with 1 file */ - if (td->zone_size && !td->sequential) + 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; + td->filetype = FIO_TYPE_FILE; if (!stat(jobname, &sb)) { if (S_ISBLK(sb.st_mode)) @@ -129,17 +166,49 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) td->filetype = FIO_TYPE_CHAR; } - if (td->filetype == FIO_TYPE_FILE) { + if (td->odirect) + td->io_ops->flags |= FIO_RAWIO; + + 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/%s.%d", td->directory, jobname, td->thread_number); - else - sprintf(tmp, "%s.%d", jobname, td->thread_number); - td->file_name = strdup(tmp); - } else - td->file_name = strdup(jobname); + 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; @@ -161,11 +230,11 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) if (setup_rate(td)) goto err; - if (write_lat_log) { + if (td->write_lat_log) { setup_log(&td->slat_log); setup_log(&td->clat_log); } - if (write_bw_log) + if (td->write_bw_log) setup_log(&td->bw_log); if (td->name[0] == '\0') @@ -173,10 +242,15 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); - if (!job_add_num) - fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_engine_name, td->iodepth); - else if (job_add_num == 1) - fprintf(f_out, "...\n"); + 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 + fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_ops->name, td->iodepth); + } else if (job_add_num == 1) + fprintf(f_out, "...\n"); + } /* * recurse add identical jobs, clear numjobs and stonewall options @@ -202,10 +276,15 @@ err: 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; + int fd, num_maps, blocks, i; + struct fio_file *f; fd = open("/dev/urandom", O_RDONLY); if (fd == -1) { @@ -231,11 +310,13 @@ int init_random_state(struct thread_data *td) if (td->rand_repeatable) seeds[3] = DEF_RANDSEED; - blocks = (td->io_size + td->min_bs - 1) / td->min_bs; - num_maps = blocks / BLOCKS_PER_MAP; - td->file_map = malloc(num_maps * sizeof(long)); - td->num_maps = num_maps; - memset(td->file_map, 0, num_maps * sizeof(long)); + for_each_file(td, f, i) { + blocks = (f->file_size + td->min_bs - 1) / td->min_bs; + num_maps = blocks / 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; @@ -255,7 +336,24 @@ static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) #endif } -static unsigned long get_mult(char c) +static unsigned long get_mult_time(char c) +{ + switch (c) { + case 'm': + case 'M': + return 60; + case 'h': + case 'H': + return 60 * 60; + case 'd': + case 'D': + return 24 * 60 * 60; + default: + return 1; + } +} + +static unsigned long get_mult_bytes(char c) { switch (c) { case 'k': @@ -275,7 +373,7 @@ static unsigned long get_mult(char c) /* * convert string after '=' into decimal value, noting any size suffix */ -static int str_cnv(char *p, unsigned long long *val) +static int str_to_decimal(char *p, unsigned long long *val, int kilo) { char *str; int len; @@ -291,16 +389,27 @@ static int str_cnv(char *p, unsigned long long *val) if (*val == ULONG_MAX && errno == ERANGE) return 1; - *val *= get_mult(str[len - 1]); + if (kilo) + *val *= get_mult_bytes(str[len - 1]); + else + *val *= get_mult_time(str[len - 1]); return 0; } -static int check_strcnv(char *p, char *name, unsigned long long *val) +static int check_str_bytes(char *p, char *name, unsigned long long *val) +{ + if (strncmp(p, name, strlen(name) - 1)) + return 1; + + return str_to_decimal(p, val, 1); +} + +static int check_str_time(char *p, char *name, unsigned long long *val) { if (strncmp(p, name, strlen(name) - 1)) return 1; - return str_cnv(p, val); + return str_to_decimal(p, val, 0); } static void strip_blank_front(char **p) @@ -365,12 +474,12 @@ static int check_strstore(char *p, char *name, char *dest) return 0; } -static int __check_range(char *str, unsigned long *val) +static int __check_range_bytes(char *str, unsigned long *val) { char suffix; if (sscanf(str, "%lu%c", val, &suffix) == 2) { - *val *= get_mult(suffix); + *val *= get_mult_bytes(suffix); return 0; } @@ -380,7 +489,8 @@ static int __check_range(char *str, unsigned long *val) return 1; } -static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) +static int check_range_bytes(char *p, char *name, unsigned long *s, + unsigned long *e) { char option[128]; char *str, *p1, *p2; @@ -416,7 +526,7 @@ static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) p2 = p + 1; *p = '\0'; - if (!__check_range(p1, s) && !__check_range(p2, e)) + if (!__check_range_bytes(p1, s) && !__check_range_bytes(p2, e)) return 0; return 1; @@ -534,41 +644,18 @@ static int str_mem_cb(struct thread_data *td, char *mem) static int str_ioengine_cb(struct thread_data *td, char *str) { - if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) || - !strncmp(str, "libaio", 6)) { - strcpy(td->io_engine_name, "libaio"); - td->io_engine = FIO_LIBAIO; - return 0; - } else if (!strncmp(str, "posixaio", 8)) { - strcpy(td->io_engine_name, "posixaio"); - td->io_engine = FIO_POSIXAIO; + td->io_ops = load_ioengine(td, str); + if (td->io_ops) return 0; - } else if (!strncmp(str, "sync", 4)) { - strcpy(td->io_engine_name, "sync"); - td->io_engine = FIO_SYNCIO; - return 0; - } else if (!strncmp(str, "mmap", 4)) { - strcpy(td->io_engine_name, "mmap"); - td->io_engine = FIO_MMAPIO; - return 0; - } else if (!strncmp(str, "sgio", 4)) { - strcpy(td->io_engine_name, "sgio"); - td->io_engine = FIO_SGIO; - return 0; - } else if (!strncmp(str, "splice", 6)) { - strcpy(td->io_engine_name, "splice"); - td->io_engine = FIO_SPLICEIO; - return 0; - } - log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice\n"); + log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); return 1; } /* * This is our [ini] type file parser. */ -int parse_jobs_ini(char *file) +int parse_jobs_ini(char *file, int stonewall_flag) { unsigned int prioclass, prio, cpu, global, il; unsigned long long ull; @@ -578,7 +665,7 @@ int parse_jobs_ini(char *file) fpos_t off; FILE *f; char *p; - int ret = 0, stonewall = 1; + int ret = 0, stonewall; f = fopen(file, "r"); if (!f) { @@ -590,6 +677,7 @@ int parse_jobs_ini(char *file) name = malloc(256); tmpbuf = malloc(4096); + stonewall = stonewall_flag; while ((p = fgets(string, 4096, f)) != NULL) { if (ret) break; @@ -668,6 +756,14 @@ int parse_jobs_ini(char *file) fgetpos(f, &off); continue; } + if (!check_int(p, "cpuload", &td->cpuload)) { + fgetpos(f, &off); + continue; + } + if (!check_int(p, "cpuchunks", &td->cpucycle)) { + fgetpos(f, &off); + continue; + } if (!check_int(p, "thinktime", &td->thinktime)) { fgetpos(f, &off); continue; @@ -691,7 +787,8 @@ int parse_jobs_ini(char *file) fgetpos(f, &off); continue; } - if (!check_int(p, "timeout", &td->timeout)) { + if (!check_str_time(p, "timeout", &ull)) { + td->timeout = ull; fgetpos(f, &off); continue; } @@ -763,7 +860,11 @@ int parse_jobs_ini(char *file) fgetpos(f, &off); continue; } - if (!check_range(p, "bsrange", &ul1, &ul2)) { + if (!check_int(p, "nrfiles", &td->nr_files)) { + fgetpos(f, &off); + continue; + } + if (!check_range_bytes(p, "bsrange", &ul1, &ul2)) { if (ul1 > ul2) { td->max_bs = ul1; td->min_bs = ul2; @@ -774,28 +875,28 @@ int parse_jobs_ini(char *file) fgetpos(f, &off); continue; } - if (!check_strcnv(p, "bs", &ull)) { + if (!check_str_bytes(p, "bs", &ull)) { td->bs = ull; fgetpos(f, &off); continue; } - if (!check_strcnv(p, "size", &td->file_size)) { + if (!check_str_bytes(p, "size", &td->total_file_size)) { fgetpos(f, &off); continue; } - if (!check_strcnv(p, "offset", &td->file_offset)) { + if (!check_str_bytes(p, "offset", &td->start_offset)) { fgetpos(f, &off); continue; } - if (!check_strcnv(p, "zonesize", &td->zone_size)) { + if (!check_str_bytes(p, "zonesize", &td->zone_size)) { fgetpos(f, &off); continue; } - if (!check_strcnv(p, "zoneskip", &td->zone_skip)) { + if (!check_str_bytes(p, "zoneskip", &td->zone_skip)) { fgetpos(f, &off); continue; } - if (!check_strcnv(p, "lockmem", &mlock_size)) { + if (!check_str_bytes(p, "lockmem", &mlock_size)) { fgetpos(f, &off); continue; } @@ -804,6 +905,11 @@ int parse_jobs_ini(char *file) fgetpos(f, &off); continue; } + if (!check_strstore(p, "filename", tmpbuf)) { + td->filename = strdup(tmpbuf); + fgetpos(f, &off); + continue; + } if (!check_strstore(p, "name", tmpbuf)) { snprintf(td->name, sizeof(td->name)-1, "%s%d", tmpbuf, td->thread_number); fgetpos(f, &off); @@ -825,11 +931,6 @@ int parse_jobs_ini(char *file) fgetpos(f, &off); continue; } - if (!check_strset(p, "create")) { - td->create_file = 1; - fgetpos(f, &off); - continue; - } if (!check_strset(p, "exitall")) { exitall_on_terminate = 1; fgetpos(f, &off); @@ -845,6 +946,21 @@ int parse_jobs_ini(char *file) fgetpos(f, &off); continue; } + if (!check_strset(p, "unlink")) { + td->unlink = 1; + fgetpos(f, &off); + continue; + } + if (!check_strset(p, "write_bw_log")) { + td->write_bw_log = 1; + fgetpos(f, &off); + continue; + } + if (!check_strset(p, "write_lat_log")) { + td->write_lat_log = 1; + fgetpos(f, &off); + continue; + } if (!check_strstore(p, "iolog", tmpbuf)) { if (td->write_iolog) { log_err("fio: read iolog overrides given write_iolog\n"); @@ -928,13 +1044,10 @@ static int fill_def_thread(void) def_thread.bs = DEF_BS; def_thread.min_bs = -1; def_thread.max_bs = -1; - def_thread.io_engine = DEF_IO_ENGINE; - strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME); def_thread.odirect = DEF_ODIRECT; def_thread.ratecycle = DEF_RATE_CYCLE; def_thread.sequential = DEF_SEQUENTIAL; def_thread.timeout = def_timeout; - def_thread.create_file = DEF_CREATE; def_thread.overwrite = DEF_OVERWRITE; def_thread.invalidate_cache = DEF_INVALIDATE; def_thread.sync_io = DEF_SYNCIO; @@ -951,6 +1064,10 @@ static int fill_def_thread(void) 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; #ifdef FIO_HAVE_DISK_UTIL def_thread.do_disk_util = 1; #endif @@ -958,17 +1075,14 @@ static int fill_def_thread(void) return 0; } -static void usage(char *name) +static void usage(void) { printf("%s\n", fio_version_string); - printf("\t-s IO is sequential\n"); - printf("\t-b Block size in KiB for each IO\n"); + printf("\t-o Write output to file\n"); printf("\t-t Runtime in seconds\n"); - printf("\t-R Exit all threads on failure to meet rate goal\n"); - printf("\t-o Use O_DIRECT\n"); printf("\t-l Generate per-job latency logs\n"); printf("\t-w Generate per-job bandwidth logs\n"); - printf("\t-f Job file (Required)\n"); + printf("\t-m Minimal (terse) output\n"); printf("\t-v Print version info and exit\n"); } @@ -976,25 +1090,19 @@ static int parse_cmd_line(int argc, char *argv[]) { int c, idx = 1, ini_idx = 0; - while ((c = getopt(argc, argv, "t:o:f:lwvh")) != EOF) { + while ((c = getopt(argc, argv, "t:o:lwvhm")) != EOF) { switch (c) { case 't': def_timeout = atoi(optarg); - idx++; - break; - case 'f': - ini_idx++; - ini_file = realloc(ini_file, ini_idx * sizeof(char *)); - ini_file[ini_idx - 1] = strdup(optarg); - idx++; + idx = optind; break; case 'l': write_lat_log = 1; - idx++; + idx = optind; break; case 'w': write_bw_log = 1; - idx++; + idx = optind; break; case 'o': f_out = fopen(optarg, "w+"); @@ -1003,10 +1111,14 @@ static int parse_cmd_line(int argc, char *argv[]) exit(1); } f_err = f_out; - idx++; + idx = optind; + break; + case 'm': + terse_output = 1; + idx = optind; break; case 'h': - usage(argv[0]); + usage(); exit(0); case 'v': printf("%s\n", fio_version_string); @@ -1020,7 +1132,7 @@ static int parse_cmd_line(int argc, char *argv[]) ini_file[ini_idx - 1] = strdup(argv[idx]); idx++; } - + if (!f_out) { f_out = stdout; f_err = stderr; @@ -1040,6 +1152,11 @@ static void free_shm(void) } } +/* + * 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) { /* @@ -1047,9 +1164,9 @@ static int setup_thread_area(void) * we get a failure that looks like too large a shm segment */ do { - int s = max_jobs * sizeof(struct thread_data); + size_t size = max_jobs * sizeof(struct thread_data); - shm_id = shmget(0, s, IPC_CREAT | 0600); + shm_id = shmget(0, size, IPC_CREAT | 0600); if (shm_id != -1) break; if (errno != EINVAL) { @@ -1085,14 +1202,14 @@ int parse_options(int argc, char *argv[]) job_files = parse_cmd_line(argc, argv); if (!job_files) { log_err("Need job file(s)\n"); - usage(argv[0]); + usage(); return 1; } for (i = 0; i < job_files; i++) { if (fill_def_thread()) return 1; - if (parse_jobs_ini(ini_file[i])) + if (parse_jobs_ini(ini_file[i], i)) return 1; free(ini_file[i]); }