#endif
static int str_exitall_cb(void);
static int str_cpumask_cb(void *, unsigned int *);
+static int str_file_service_cb(void *, const char *);
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
.help = "Amount of IO buffers to keep in flight",
.def = "1",
},
+ {
+ .name = "iodepth_low",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(iodepth_low),
+ .help = "Low water mark for queuing depth",
+ },
{
.name = "size",
.type = FIO_OPT_STR_VAL,
.help = "Split job workload between this number of files",
.def = "1",
},
+ {
+ .name = "file_service_type",
+ .type = FIO_OPT_STR,
+ .cb = str_file_service_cb,
+ .help = "How to select which file to service next",
+ .def = "roundrobin",
+ .posval = { "random", "roundrobin" },
+ },
{
.name = "fsync",
.type = FIO_OPT_INT,
.help = "Idle time between IO buffers (usec)",
.def = "0",
},
+ {
+ .name = "thinktime_spin",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(thinktime_spin),
+ .help = "Start thinktime by spinning this amount (usec)",
+ .def = "0",
+ },
{
.name = "thinktime_blocks",
.type = FIO_OPT_INT,
/*
* only really works for sequential io for now, and with 1 file
*/
- if (td->zone_size && !td->sequential && td->nr_files == 1)
+ if (td->zone_size && td_random(td) && td->nr_files == 1)
td->zone_size = 0;
/*
*/
if (td->filetype == FIO_TYPE_CHAR && td->odirect)
td->odirect = 0;
+
+ /*
+ * thinktime_spin must be less than thinktime
+ */
+ if (td->thinktime_spin > td->thinktime)
+ td->thinktime_spin = td->thinktime;
+
+ /*
+ * The low water mark cannot be bigger than the iodepth
+ */
+ if (td->iodepth_low > td->iodepth || !td->iodepth_low)
+ td->iodepth_low = td->iodepth;
}
/*
*/
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" };
+ const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
+ "randread", "randwrite", "randrw" };
struct stat sb;
- int numjobs, ddir, i;
+ int numjobs, i;
struct fio_file *f;
/*
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);
+ td_verror(td, errno, "lstat");
return 1;
}
if (!S_ISDIR(sb.st_mode)) {
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;
+ 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)
groupid++;
goto err;
if (td->write_lat_log) {
- setup_log(&td->slat_log);
- setup_log(&td->clat_log);
+ setup_log(&td->ts.slat_log);
+ setup_log(&td->ts.clat_log);
}
if (td->write_bw_log)
- setup_log(&td->bw_log);
+ setup_log(&td->ts.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)
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[ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth);
+ 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);
free(c1);
free(c2);
*/
int init_random_state(struct thread_data *td)
{
- unsigned long seeds[4];
+ unsigned long seeds[5];
int fd, num_maps, blocks, i;
struct fio_file *f;
fd = open("/dev/urandom", O_RDONLY);
if (fd == -1) {
- td_verror(td, errno);
+ td_verror(td, errno, "open");
return 1;
}
if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
- td_verror(td, EIO);
+ td_verror(td, EIO, "read");
close(fd);
return 1;
}
os_random_seed(seeds[1], &td->verify_state);
os_random_seed(seeds[2], &td->rwmix_state);
- if (td->sequential)
+ 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[3] = FIO_RANDSEED;
+ seeds[4] = FIO_RANDSEED * td->thread_number;
if (!td->norandommap) {
for_each_file(td, f, i) {
}
}
- os_random_seed(seeds[3], &td->random_state);
+ os_random_seed(seeds[4], &td->random_state);
return 0;
}
for (i = 0; i < strlen(line); i++) {
if (line[i] == ';')
return 1;
+ if (line[i] == '#')
+ return 1;
if (!isspace(line[i]) && !iscntrl(line[i]))
return 0;
}
struct thread_data *td = data;
if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) {
- td->ddir = DDIR_READ;
- td->sequential = 1;
+ td->td_ddir = TD_DDIR_READ;
return 0;
} else if (!strncmp(mem, "randread", 8)) {
- td->ddir = DDIR_READ;
- td->sequential = 0;
+ td->td_ddir = TD_DDIR_READ | TD_DDIR_RAND;
return 0;
} else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) {
- td->ddir = DDIR_WRITE;
- td->sequential = 1;
+ td->td_ddir = TD_DDIR_WRITE;
return 0;
} else if (!strncmp(mem, "randwrite", 9)) {
- td->ddir = DDIR_WRITE;
- td->sequential = 0;
+ td->td_ddir = TD_DDIR_WRITE | TD_DDIR_RAND;
return 0;
} else if (!strncmp(mem, "rw", 2)) {
- td->ddir = DDIR_READ;
- td->iomix = 1;
- td->sequential = 1;
+ td->td_ddir = TD_DDIR_RW;
return 0;
} else if (!strncmp(mem, "randrw", 6)) {
- td->ddir = DDIR_READ;
- td->iomix = 1;
- td->sequential = 0;
+ td->td_ddir = TD_DDIR_RW | TD_DDIR_RAND;
return 0;
}
if (td->io_ops)
return 0;
- log_err("fio: ioengine= libaio, posixaio, sync, mmap, sgio, splice, cpu, null\n");
+ log_err("fio: ioengine= libaio, posixaio, sync, syslet-rw, mmap, sgio, splice, cpu, null\n");
log_err("fio: or specify path to dynamic ioengine module\n");
return 1;
}
return 0;
}
+static int str_file_service_cb(void *data, const char *str)
+{
+ struct thread_data *td = data;
+
+ if (!strncmp(str, "random", 6)) {
+ td->file_service_type = FIO_FSERVICE_RANDOM;
+ return 0;
+ } else if (!strncmp(str, "roundrobin", 10)) {
+ td->file_service_type = FIO_FSERVICE_RR;
+ return 0;
+ }
+
+ log_err("fio: file_service= random, roundrobin\n");
+ return 1;
+}
+
/*
* This is our [ini] type file parser.
*/
projects / fio.git / blobdiff