#define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var)
-static int str_ioengine_cb(void *, const char *);
static int str_mem_cb(void *, const char *);
static int str_lockmem_cb(void *, unsigned long *);
#ifdef FIO_HAVE_IOPRIO
#endif
static int str_exitall_cb(void);
static int str_cpumask_cb(void *, unsigned int *);
+static int str_fst_cb(void *, const char *);
+static int str_filename_cb(void *, const char *);
+static int str_directory_cb(void *, const char *);
+static int str_opendir_cb(void *, const char *);
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
.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),
- .help = "Force the use of a specific file",
+ .cb = str_filename_cb,
+ .help = "File(s) to use for the workload",
+ },
+ {
+ .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",
.help = "IO direction",
.def = "read",
.posval = {
- { .ival = "read", .oval = TD_DDIR_READ },
- { .ival = "write", .oval = TD_DDIR_WRITE },
- { .ival = "randread", .oval = TD_DDIR_RANDREAD },
- { .ival = "randwrite", .oval = TD_DDIR_RANDWRITE },
- { .ival = "rw", .oval = TD_DDIR_RW },
- { .ival = "randrw", .oval = TD_DDIR_RANDRW },
+ { .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,
- .cb = str_ioengine_cb,
+ .type = FIO_OPT_STR_STORE,
+ .off1 = td_var_offset(ioengine),
.help = "IO engine to use",
.def = "sync",
.posval = {
- { .ival = "sync", },
+ { .ival = "sync",
+ .help = "Use read/write",
+ },
#ifdef FIO_HAVE_LIBAIO
- { .ival = "libaio", },
+ { .ival = "libaio",
+ .help = "Linux native asynchronous IO",
+ },
#endif
#ifdef FIO_HAVE_POSIXAIO
- { .ival = "posixaio", },
+ { .ival = "posixaio",
+ .help = "POSIX asynchronous IO",
+ },
#endif
- { .ival = "mmap", },
+ { .ival = "mmap",
+ .help = "Memory mapped IO",
+ },
#ifdef FIO_HAVE_SPLICE
- { .ival = "splice", },
+ { .ival = "splice",
+ .help = "splice/vmsplice based IO",
+ },
#endif
#ifdef FIO_HAVE_SGIO
- { .ival = "sg", },
+ { .ival = "sg",
+ .help = "SCSI generic v3 IO",
+ },
#endif
- { .ival = "null", }, { .ival = "net", },
+ { .ival = "null",
+ .help = "Testing engine (no data transfer)",
+ },
+ { .ival = "net",
+ .help = "Network IO",
+ },
#ifdef FIO_HAVE_SYSLET
- { .ival = "syslet-rw", },
+ { .ival = "syslet-rw",
+ .help = "syslet enabled async pread/pwrite IO",
+ },
#endif
- { .ival = "external", },
+ { .ival = "cpuio",
+ .help = "CPU cycler burner engine",
+ },
+ { .ival = "external",
+ .help = "Load external engine (append name)",
},
+ },
},
{
.name = "iodepth",
.name = "size",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(total_file_size),
- .help = "Size of device or file",
+ .help = "Total size of device or files",
+ },
+ {
+ .name = "filesize",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(file_size_low),
+ .off2 = td_var_offset(file_size_high),
+ .help = "Size of individual files",
},
{
.name = "bs",
.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 },
- { .ival = "roundrobin", .oval = FIO_FSERVICE_RR },
+ { .ival = "random",
+ .oval = FIO_FSERVICE_RANDOM,
+ .help = "Choose a file at random",
},
+ { .ival = "roundrobin",
+ .oval = FIO_FSERVICE_RR,
+ .help = "Round robin select files",
+ },
+ },
},
{
.name = "fsync",
.help = "Backing type for IO buffers",
.def = "malloc",
.posval = {
- { .ival = "malloc", .oval = MEM_MALLOC },
- { .ival = "shm", .oval = MEM_SHM },
+ { .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 },
+ { .ival = "shmhuge",
+ .oval = MEM_SHMHUGE,
+ .help = "Like shm, but use huge pages",
+ },
#endif
- { .ival = "mmap", .oval = MEM_MMAP },
+ { .ival = "mmap",
+ .oval = MEM_MMAP,
+ .help = "Use mmap(2) (file or anon) for IO buffers",
+ },
#ifdef FIO_HAVE_HUGETLB
- { .ival = "mmaphuge", .oval = MEM_MMAPHUGE },
-#endif
+ { .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 sum function",
+ .help = "Verify data written",
.def = "0",
.posval = {
- { .ival = "0", .oval = VERIFY_NONE },
- { .ival = "crc32", .oval = VERIFY_CRC32 },
- { .ival = "md5", .oval = VERIFY_MD5 },
+ { .ival = "0",
+ .oval = VERIFY_NONE,
+ .help = "Don't do IO verification",
+ },
+ { .ival = "crc32",
+ .oval = VERIFY_CRC32,
+ .help = "Use crc32 checksums for verification",
},
+ { .ival = "md5",
+ .oval = VERIFY_MD5,
+ .help = "Use md5 checksums for verification",
+ },
+ },
},
{
.name = "write_iolog",
.name = "cpuchunks",
.type = FIO_OPT_INT,
.off1 = td_var_offset(cpucycle),
- .help = "Length of the CPU burn cycles",
+ .help = "Length of the CPU burn cycles (usecs)",
+ .def = "50000",
},
#ifdef FIO_HAVE_CPU_AFFINITY
{
.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,
.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 = NULL,
},
static int def_timeout = 0;
-static char fio_version_string[] = "fio 1.12";
+static char fio_version_string[] = "fio 1.14a";
static char **ini_file;
static int max_jobs = MAX_JOBS;
static int write_lat_log = 0;
int write_bw_log = 0;
+static int prev_group_jobs;
+
FILE *get_f_out()
{
return f_out;
return;
if (td->error)
- fprintf(f_out, "fio: %s\n", td->verror);
+ log_info("fio: %s\n", td->verror);
memset(&threads[td->thread_number - 1], 0, sizeof(*td));
thread_number--;
td->iodepth = 1;
else {
if (!td->iodepth)
- td->iodepth = td->nr_files;
+ td->iodepth = td->open_files;
}
/*
* only really works for sequential io for now, and with 1 file
*/
- if (td->zone_size && td_random(td) && td->nr_files == 1)
+ if (td->zone_size && td_random(td) && td->open_files == 1)
td->zone_size = 0;
/*
td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]);
+ if (!td->file_size_high)
+ td->file_size_high = td->file_size_low;
+
if (td_read(td) && !td_rw(td))
td->verify = 0;
if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO))
log_err("fio: bs_unaligned may not work with raw io\n");
- /*
- * O_DIRECT and char doesn't mix, clear that flag if necessary.
- */
- if (td->filetype == FIO_TYPE_CHAR && td->odirect)
- td->odirect = 0;
-
/*
* thinktime_spin must be less than thinktime
*/
*/
if (td->iodepth_batch > td->iodepth || !td->iodepth_batch)
td->iodepth_batch = td->iodepth;
+
+ if (td->nr_files > td->files_index)
+ td->nr_files = td->files_index;
+
+ if (td->open_files > td->nr_files || !td->open_files)
+ td->open_files = td->nr_files;
}
/*
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;
+
+ if (S_ISREG(sb.st_mode))
+ return 0;
+
+ return 1;
+}
+
+/*
+ * 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)
+{
+ unsigned long seeds[6];
+ int fd, num_maps, blocks;
+ struct fio_file *f;
+ unsigned int i;
+
+ fd = open("/dev/urandom", O_RDONLY);
+ if (fd == -1) {
+ td_verror(td, errno, "open");
+ return 1;
+ }
+
+ if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
+ td_verror(td, EIO, "read");
+ 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->file_service_type == FIO_FSERVICE_RANDOM)
+ os_random_seed(seeds[3], &td->next_file_state);
+
+ os_random_seed(seeds[5], &td->file_size_state);
+
+ if (!td_random(td))
+ return 0;
+
+ if (td->rand_repeatable)
+ seeds[4] = FIO_RANDSEED * td->thread_number;
+
+ if (!td->norandommap) {
+ for_each_file(td, f, i) {
+ blocks = (f->real_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));
+ if (!f->file_map) {
+ log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n");
+ return 1;
+ }
+ f->num_maps = num_maps;
+ memset(f->file_map, 0, num_maps * sizeof(long));
+ }
+ }
+
+ os_random_seed(seeds[4], &td->random_state);
+ 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
{
const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
"randread", "randwrite", "randrw" };
- struct stat sb;
- int numjobs, i;
+ unsigned int i;
struct fio_file *f;
+ 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;
- assert(td->io_ops);
-
- if (td->odirect)
- td->io_ops->flags |= FIO_RAWIO;
-
- td->filetype = FIO_TYPE_FILE;
- if (td->filename && !lstat(td->filename, &sb)) {
- if (S_ISBLK(sb.st_mode))
- td->filetype = FIO_TYPE_BD;
- else if (S_ISCHR(sb.st_mode))
- td->filetype = FIO_TYPE_CHAR;
+ engine = get_engine_name(td->ioengine);
+ td->io_ops = load_ioengine(td, engine);
+ if (!td->io_ops) {
+ log_err("fio: failed to load engine %s\n", engine);
+ return 1;
}
- fixup_options(td);
-
- if (td->filename)
- td->nr_uniq_files = 1;
+ if (td->use_thread)
+ nr_thread++;
else
- td->nr_uniq_files = td->nr_files;
-
- if (td->filetype == FIO_TYPE_FILE || td->filename) {
- char tmp[PATH_MAX];
- int len = 0;
+ nr_process++;
- if (td->directory && td->directory[0] != '\0') {
- if (lstat(td->directory, &sb) < 0) {
- log_err("fio: %s is not a directory\n", td->directory);
- td_verror(td, errno, "lstat");
- return 1;
- }
- if (!S_ISDIR(sb.st_mode)) {
- log_err("fio: %s is not a directory\n", td->directory);
- return 1;
- }
- len = sprintf(tmp, "%s/", td->directory);
- }
+ if (td->odirect)
+ td->io_ops->flags |= FIO_RAWIO;
- td->files = malloc(sizeof(struct fio_file) * td->nr_files);
+ file_alloced = 0;
+ if (!td->filename && !td->files_index) {
+ file_alloced = 1;
- 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);
+ if (td->nr_files == 1 && exists_and_not_file(jobname))
+ add_file(td, jobname);
+ else {
+ for (i = 0; i < td->nr_files; i++) {
+ sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
+ add_file(td, fname);
+ }
}
- } 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);
}
+ fixup_options(td);
+
for_each_file(td, f, i) {
- f->file_size = td->total_file_size / td->nr_files;
- f->file_offset = td->start_offset;
+ if (td->directory && f->filetype == FIO_TYPE_FILE) {
+ sprintf(fname, "%s/%s", td->directory, f->file_name);
+ f->file_name = strdup(fname);
+ }
}
- fio_sem_init(&td->mutex, 0);
+ td->mutex = fio_sem_init(0);
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.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
- if (td->stonewall && td->thread_number > 1)
+ if ((td->stonewall || td->numjobs > 1) && 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 (!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);
+ if (!strcmp(td->io_ops->name, "cpuio"))
+ log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle);
else {
char *c1, *c2, *c3, *c4;
c3 = to_kmg(td->min_bs[DDIR_WRITE]);
c4 = to_kmg(td->max_bs[DDIR_WRITE]);
- fprintf(f_out, "%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[td->td_ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth);
+ log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[td->td_ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth);
free(c1);
free(c2);
free(c4);
}
} else if (job_add_num == 1)
- fprintf(f_out, "...\n");
+ log_info("...\n");
}
/*
td_new->numjobs = 1;
td_new->stonewall = 0;
+
+ if (file_alloced) {
+ td_new->filename = NULL;
+ td_new->files_index = 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;
-}
-/*
- * 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[5];
- 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, "open");
- return 1;
- }
-
- if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
- td_verror(td, EIO, "read");
- 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->file_service_type == FIO_FSERVICE_RANDOM)
- os_random_seed(seeds[3], &td->next_file_state);
-
- if (!td_random(td))
- return 0;
-
- if (td->rand_repeatable)
- seeds[4] = FIO_RANDSEED * td->thread_number;
-
- if (!td->norandommap) {
- for_each_file(td, f, i) {
- blocks = (f->real_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));
- }
+ if (td->numjobs > 1) {
+ groupid++;
+ prev_group_jobs = 0;
}
- os_random_seed(seeds[4], &td->random_state);
return 0;
+err:
+ put_job(td);
+ return -1;
}
static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu)
/*
* Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
*/
-static char *get_mmap_file(const char *str)
+static char *get_opt_postfix(const char *str)
{
char *p = strstr(str, ":");
struct thread_data *td = data;
if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) {
- td->mmapfile = get_mmap_file(mem);
+ td->mmapfile = get_opt_postfix(mem);
if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) {
log_err("fio: mmaphuge:/path/to/file\n");
return 1;
return 0;
}
-/* 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 str_ioengine_cb(void *data, const char *str)
-{
- struct thread_data *td = data;
- const char *name = get_engine_name(str);
-
- td->io_ops = load_ioengine(td, name);
- if (td->io_ops)
- return 0;
-
- return 1;
-}
-
static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
{
mlock_size = *val;
return 0;
}
+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);
+
+ 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->nr_files = 0;
+
+ while ((fname = strsep(&str, ":")) != NULL) {
+ if (!strlen(fname))
+ break;
+ add_file(td, fname);
+ td->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->directory, &sb) < 0) {
+ log_err("fio: %s is not a directory\n", td->directory);
+ td_verror(td, errno, "lstat");
+ return 1;
+ }
+ if (!S_ISDIR(sb.st_mode)) {
+ log_err("fio: %s is not a directory\n", td->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->nr_files = 0;
+
+ return add_dir_files(td, td->opendir);
+}
+
/*
* This is our [ini] type file parser.
*/
projects / fio.git / blobdiff