#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 = "IO engine to use",
.def = "sync",
.posval = { "sync", "libaio", "posixaio", "mmap", "splice",
- "sg", "null", "net", },
+ "sg", "null", "net", "syslet-rw" },
},
{
.name = "iodepth",
.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,
*/
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 char *to_kmg(unsigned int val)
{
char *buf = malloc(32);
- char post[] = { 0, 'K', 'M', 'G', 'P', 0 };
+ char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
char *p = post;
do {
td->io_ops->flags |= FIO_RAWIO;
td->filetype = FIO_TYPE_FILE;
- if (!stat(jobname, &sb)) {
+ 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))
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);
*/
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[0], &td->bsrange_state);
os_random_seed(seeds[1], &td->verify_state);
os_random_seed(seeds[2], &td->rwmix_state);
+ os_random_seed(seeds[3], &td->next_file_state);
if (td->sequential)
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) {
- blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs;
+ 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;
}
}
- 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;
}
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.
*/