return add_dir_files(td, td->o.opendir);
}
-static int str_verify_pattern_cb(void *data, const char *input)
+static int pattern_cb(char *pattern, unsigned int max_size,
+ const char *input, unsigned int *pattern_bytes)
{
- struct thread_data *td = data;
long off;
- int i = 0, j = 0, len, k, base = 10, pattern_length;
+ int i = 0, j = 0, len, k, base = 10;
+ uint32_t pattern_length;
char *loc1, *loc2;
loc1 = strstr(input, "0x");
off = strtol(input, NULL, base);
if (off != LONG_MAX || errno != ERANGE) {
while (off) {
- td->o.verify_pattern[i] = off & 0xff;
+ pattern[i] = off & 0xff;
off >>= 8;
i++;
}
j = loc2 - input + 2;
} else
return 1;
- if (len - j < MAX_PATTERN_SIZE * 2) {
+ if (len - j < max_size * 2) {
while (k >= j) {
off = converthexchartoint(input[k--]);
if (k >= j)
off += (converthexchartoint(input[k--])
* 16);
- td->o.verify_pattern[i++] = (char) off;
+ pattern[i++] = (char) off;
}
}
}
* the number of memcpy's we have to do when verifying the IO.
*/
pattern_length = i;
- while (i > 1 && i * 2 <= MAX_PATTERN_SIZE) {
- memcpy(&td->o.verify_pattern[i], &td->o.verify_pattern[0], i);
+ while (i > 1 && i * 2 <= max_size) {
+ memcpy(&pattern[i], &pattern[0], i);
i *= 2;
}
/*
* Fill remainder, if the pattern multiple ends up not being
- * MAX_PATTERN_SIZE.
+ * max_size.
*/
- while (i > 1 && i < MAX_PATTERN_SIZE) {
- unsigned int b = min(pattern_length, MAX_PATTERN_SIZE - i);
+ while (i > 1 && i < max_size) {
+ unsigned int b = min(pattern_length, max_size - i);
- memcpy(&td->o.verify_pattern[i], &td->o.verify_pattern[0], b);
+ memcpy(&pattern[i], &pattern[0], b);
i += b;
}
* The code in verify_io_u_pattern assumes a single byte pattern
* fills the whole verify pattern buffer.
*/
- memset(td->o.verify_pattern, td->o.verify_pattern[0],
- MAX_PATTERN_SIZE);
+ memset(pattern, pattern[0], max_size);
+ }
+
+ *pattern_bytes = i;
+ return 0;
+}
+
+static int str_buffer_pattern_cb(void *data, const char *input)
+{
+ struct thread_data *td = data;
+ int ret;
+
+ ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
+ &td->o.buffer_pattern_bytes);
+
+ if (!ret) {
+ td->o.refill_buffers = 0;
+ td->o.scramble_buffers = 0;
+ td->o.zero_buffers = 0;
}
- td->o.verify_pattern_bytes = i;
+ return ret;
+}
+
+static int str_verify_pattern_cb(void *data, const char *input)
+{
+ struct thread_data *td = data;
+ int ret;
+
+ ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
+ &td->o.verify_pattern_bytes);
/*
* VERIFY_META could already be set
*/
- if (td->o.verify == VERIFY_NONE)
+ if (!ret && td->o.verify == VERIFY_NONE)
td->o.verify = VERIFY_PATTERN;
- return 0;
+ return ret;
}
static int str_gtod_reduce_cb(void *data, int *il)
}
static struct opt_group fio_opt_cat_groups[] = {
+ {
+ .name = "Latency profiling",
+ .mask = FIO_OPT_G_LATPROF,
+ },
{
.name = "Rate",
.mask = FIO_OPT_G_RATE,
.category = FIO_OPT_C_IO,
.group = FIO_OPT_G_RANDOM,
},
+ {
+ .name = "randseed",
+ .lname = "The random generator seed",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(rand_seed),
+ .help = "Set the random generator seed value",
+ .parent = "rw",
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_RANDOM,
+ },
{
.name = "use_os_rand",
.lname = "Use OS random",
.category = FIO_OPT_C_GENERAL,
.group = FIO_OPT_G_RUNTIME,
},
+ {
+ .name = "verify_only",
+ .lname = "Verify only",
+ .type = FIO_OPT_STR_SET,
+ .off1 = td_var_offset(verify_only),
+ .help = "Verifies previously written data is still valid",
+ .category = FIO_OPT_C_GENERAL,
+ .group = FIO_OPT_G_RUNTIME,
+ },
{
.name = "ramp_time",
.lname = "Ramp time",
.off1 = td_var_offset(max_latency),
.help = "Maximum tolerated IO latency (usec)",
.category = FIO_OPT_C_IO,
- .group = FIO_OPT_G_RATE,
+ .group = FIO_OPT_G_LATPROF,
+ },
+ {
+ .name = "latency_target",
+ .lname = "Latency Target (usec)",
+ .type = FIO_OPT_STR_VAL_TIME,
+ .off1 = td_var_offset(latency_target),
+ .help = "Ramp to max queue depth supporting this latency",
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_LATPROF,
+ },
+ {
+ .name = "latency_window",
+ .lname = "Latency Window (usec)",
+ .type = FIO_OPT_STR_VAL_TIME,
+ .off1 = td_var_offset(latency_window),
+ .help = "Time to sustain latency_target",
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_LATPROF,
+ },
+ {
+ .name = "latency_percentile",
+ .lname = "Latency Percentile",
+ .type = FIO_OPT_FLOAT_LIST,
+ .off1 = td_var_offset(latency_percentile),
+ .help = "Percentile of IOs must be below latency_target",
+ .def = "100",
+ .maxlen = 1,
+ .minfp = 0.0,
+ .maxfp = 100.0,
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_LATPROF,
},
{
.name = "invalidate",
.category = FIO_OPT_C_IO,
.group = FIO_OPT_G_IO_BUF,
},
+ {
+ .name = "buffer_pattern",
+ .lname = "Buffer pattern",
+ .type = FIO_OPT_STR,
+ .cb = str_buffer_pattern_cb,
+ .help = "Fill pattern for IO buffers",
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_IO_BUF,
+ },
{
.name = "buffer_compress_percentage",
.lname = "Buffer compression percentage",
return opts_copy;
}
-int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
+int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
+ int dump_cmdline)
{
int i, ret, unknown;
char **opts_copy;
for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
struct fio_option *o;
int newret = parse_option(opts_copy[i], opts[i], fio_options,
- &o, td);
+ &o, td, dump_cmdline);
if (opts_copy[i]) {
if (newret && !o) {
if (td->eo)
newret = parse_option(opts_copy[i], opts[i],
td->io_ops->options, &o,
- td->eo);
+ td->eo, dump_cmdline);
ret |= newret;
if (!o)
projects / fio.git / blobdiff