return strdup(p);
}
+static int bs_cmp(const void *p1, const void *p2)
+{
+ const struct bssplit *bsp1 = p1;
+ const struct bssplit *bsp2 = p2;
+
+ return bsp1->perc < bsp2->perc;
+}
+
+static int str_bssplit_cb(void *data, const char *input)
+{
+ struct thread_data *td = data;
+ char *fname, *str, *p;
+ unsigned int i, perc, perc_missing;
+ unsigned int max_bs, min_bs;
+ long long val;
+
+ p = str = strdup(input);
+
+ strip_blank_front(&str);
+ strip_blank_end(str);
+
+ td->o.bssplit_nr = 4;
+ td->o.bssplit = malloc(4 * sizeof(struct bssplit));
+
+ i = 0;
+ max_bs = 0;
+ min_bs = -1;
+ while ((fname = strsep(&str, ":")) != NULL) {
+ char *perc_str;
+
+ if (!strlen(fname))
+ break;
+
+ /*
+ * grow struct buffer, if needed
+ */
+ if (i == td->o.bssplit_nr) {
+ td->o.bssplit_nr <<= 1;
+ td->o.bssplit = realloc(td->o.bssplit, td->o.bssplit_nr * sizeof(struct bssplit));
+ }
+
+ perc_str = strstr(fname, "/");
+ if (perc_str) {
+ *perc_str = '\0';
+ perc_str++;
+ perc = atoi(perc_str);
+ if (perc > 100)
+ perc = 100;
+ else if (!perc)
+ perc = -1;
+ } else
+ perc = -1;
+
+ if (str_to_decimal(fname, &val, 1)) {
+ log_err("fio: bssplit conversion failed\n");
+ free(td->o.bssplit);
+ return 1;
+ }
+
+ if (val > max_bs)
+ max_bs = val;
+ if (val < min_bs)
+ min_bs = val;
+
+ td->o.bssplit[i].bs = val;
+ td->o.bssplit[i].perc = perc;
+ i++;
+ }
+
+ td->o.bssplit_nr = i;
+
+ /*
+ * Now check if the percentages add up, and how much is missing
+ */
+ perc = perc_missing = 0;
+ for (i = 0; i < td->o.bssplit_nr; i++) {
+ struct bssplit *bsp = &td->o.bssplit[i];
+
+ if (bsp->perc == (unsigned char) -1)
+ perc_missing++;
+ else
+ perc += bsp->perc;
+ }
+
+ if (perc > 100) {
+ log_err("fio: bssplit percentages add to more than 100%%\n");
+ free(td->o.bssplit);
+ return 1;
+ }
+ /*
+ * If values didn't have a percentage set, divide the remains between
+ * them.
+ */
+ if (perc_missing) {
+ for (i = 0; i < td->o.bssplit_nr; i++) {
+ struct bssplit *bsp = &td->o.bssplit[i];
+
+ if (bsp->perc == (unsigned char) -1)
+ bsp->perc = (100 - perc) / perc_missing;
+ }
+ }
+
+ td->o.min_bs[DDIR_READ] = td->o.min_bs[DDIR_WRITE] = min_bs;
+ td->o.max_bs[DDIR_READ] = td->o.max_bs[DDIR_WRITE] = max_bs;
+
+ /*
+ * now sort based on percentages, for ease of lookup
+ */
+ qsort(td->o.bssplit, td->o.bssplit_nr, sizeof(struct bssplit), bs_cmp);
+
+ free(p);
+ return 0;
+}
+
static int str_rw_cb(void *data, const char *str)
{
struct thread_data *td = data;
free(p);
td->o.cpumask_set = 1;
- exit(0);
return 0;
}
#endif
return 0;
}
-static int str_verify_cb(void *data, const char *mem)
+static int str_verify_pattern_cb(void *data, unsigned int *off)
{
struct thread_data *td = data;
- unsigned int nr, msb;
- char *pat;
-
- if (td->o.verify != VERIFY_PATTERN)
- return 0;
-
- pat = get_opt_postfix(mem);
- if (!pat) {
- log_err("fio: missing pattern\n");
- return 1;
- }
+ unsigned int msb;
- if (strstr(pat, "0x") || strstr(pat, "0X"))
- nr = strtol(pat, NULL, 16);
- else
- nr = strtol(pat, NULL, 16);
-
- msb = fls(nr);
+ msb = fls(*off);
if (msb <= 8)
td->o.verify_pattern_bytes = 1;
else if (msb <= 16)
else
td->o.verify_pattern_bytes = 4;
- td->o.verify_pattern = nr;
+ td->o.verify_pattern = *off;
return 0;
}
{ .ival = "psync",
.help = "Use pread/pwrite",
},
+ { .ival = "vsync",
+ .help = "Use readv/writev",
+ },
#ifdef FIO_HAVE_LIBAIO
{ .ival = "libaio",
.help = "Linux native asynchronous IO",
.off1 = td_var_offset(iodepth_batch),
.help = "Number of IO to submit in one go",
.parent = "iodepth",
+ .minval = 1,
+ .def = "1",
},
{
.name = "iodepth_low",
.minval = 1,
.help = "Total size of device or files",
},
+ {
+ .name = "fill_device",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(fill_device),
+ .help = "Write until an ENOSPC error occurs",
+ .def = "0",
+ },
{
.name = "filesize",
.type = FIO_OPT_STR_VAL,
.help = "Set block size range (in more detail than bs)",
.parent = "rw",
},
+ {
+ .name = "bssplit",
+ .type = FIO_OPT_STR,
+ .cb = str_bssplit_cb,
+ .help = "Set a specific mix of block sizes",
+ .parent = "rw",
+ },
{
.name = "bs_unaligned",
.alias = "blocksize_unaligned",
.name = "verify",
.type = FIO_OPT_STR,
.off1 = td_var_offset(verify),
- .cb = str_verify_cb,
.help = "Verify data written",
.def = "0",
.posval = {
.oval = VERIFY_META,
.help = "Use io information",
},
- { .ival = "pattern",
- .oval = VERIFY_PATTERN,
- .help = "Verify a specific buffer pattern",
- },
{
.ival = "null",
.oval = VERIFY_NULL,
.cb = str_verify_offset_cb,
.parent = "verify",
},
+ {
+ .name = "verify_pattern",
+ .type = FIO_OPT_INT,
+ .cb = str_verify_pattern_cb,
+ .help = "Fill pattern for IO buffers",
+ .parent = "verify",
+ },
{
.name = "verify_fatal",
.type = FIO_OPT_BOOL,