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;
td->ioprio &= mask;
td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
+ td->ioprio_set = 1;
return 0;
}
if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
+ td->ioprio_set = 1;
return 0;
}
#endif
free(p);
td->o.cpumask_set = 1;
- exit(0);
return 0;
}
#endif
.cb = str_filename_cb,
.help = "File(s) to use for the workload",
},
+ {
+ .name = "lockfile",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(lockfile),
+ .help = "Lock file when doing IO to it",
+ .parent = "filename",
+ .def = "0",
+ },
+ {
+ .name = "lockfile_batch",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(lockfile_batch),
+ .help = "Number of IOs to allow per file lock",
+ .parent = "lockfile",
+ .def = "1",
+ },
{
.name = "opendir",
.type = FIO_OPT_STR_STORE,
},
},
},
- {
- .name = "fadvise_hint",
- .type = FIO_OPT_BOOL,
- .off1 = td_var_offset(fadvise_hint),
- .help = "Use fadvise() to advise the kernel on IO pattern",
- .def = "1",
- },
{
.name = "ioengine",
.type = FIO_OPT_STR_STORE,
{ .ival = "sync",
.help = "Use read/write",
},
+ { .ival = "psync",
+ .help = "Use pread/pwrite",
+ },
+ { .ival = "vsync",
+ .help = "Use readv/writev",
+ },
#ifdef FIO_HAVE_LIBAIO
{ .ival = "libaio",
.help = "Linux native asynchronous IO",
.type = FIO_OPT_INT,
.off1 = td_var_offset(iodepth),
.help = "Amount of IO buffers to keep in flight",
+ .minval = 1,
.def = "1",
},
{
.type = FIO_OPT_INT,
.off1 = td_var_offset(iodepth_batch),
.help = "Number of IO to submit in one go",
+ .parent = "iodepth",
+ .minval = 1,
+ .def = "1",
},
{
.name = "iodepth_low",
.type = FIO_OPT_INT,
.off1 = td_var_offset(iodepth_low),
.help = "Low water mark for queuing depth",
+ .parent = "iodepth",
},
{
.name = "size",
.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,
.minval = 1,
.help = "Size of individual files",
},
+ {
+ .name = "offset",
+ .alias = "fileoffset",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(start_offset),
+ .help = "Start IO from this offset",
+ .def = "0",
+ },
{
.name = "bs",
.alias = "blocksize",
.minval = 1,
.help = "Block size unit",
.def = "4k",
+ .parent = "rw",
},
{
.name = "bsrange",
.off4 = td_var_offset(max_bs[DDIR_WRITE]),
.minval = 1,
.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",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(bs_unaligned),
.help = "Don't sector align IO buffer sizes",
- },
- {
- .name = "offset",
- .type = FIO_OPT_STR_VAL,
- .off1 = td_var_offset(start_offset),
- .help = "Start IO from this offset",
- .def = "0",
+ .parent = "rw",
},
{
.name = "randrepeat",
.off1 = td_var_offset(rand_repeatable),
.help = "Use repeatable random IO pattern",
.def = "1",
+ .parent = "rw",
},
{
.name = "norandommap",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(norandommap),
.help = "Accept potential duplicate random blocks",
+ .parent = "rw",
},
{
.name = "nrfiles",
.help = "Round robin select files",
},
},
+ .parent = "nrfiles",
+ },
+ {
+ .name = "fadvise_hint",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(fadvise_hint),
+ .help = "Use fadvise() to advise the kernel on IO pattern",
+ .def = "1",
},
{
.name = "fsync",
.oval = VERIFY_SHA512,
.help = "Use sha512 checksums for verification",
},
+ { .ival = "meta",
+ .oval = VERIFY_META,
+ .help = "Use io information",
+ },
{
.ival = "null",
.oval = VERIFY_NULL,
},
},
},
+ {
+ .name = "do_verify",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(do_verify),
+ .help = "Run verification stage after write",
+ .def = "1",
+ .parent = "verify",
+ },
{
.name = "verifysort",
.type = FIO_OPT_BOOL,
.off1 = td_var_offset(verifysort),
.help = "Sort written verify blocks for read back",
.def = "1",
+ .parent = "verify",
},
{
.name = "verify_interval",
.off1 = td_var_offset(verify_interval),
.minval = 2 * sizeof(struct verify_header),
.help = "Store verify buffer header every N bytes",
+ .parent = "verify",
},
{
.name = "verify_offset",
.help = "Offset verify header location by N bytes",
.def = "0",
.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,
+ .off1 = td_var_offset(verify_fatal),
+ .def = "0",
+ .help = "Exit on a single verify failure, don't continue",
+ .parent = "verify",
},
{
.name = "write_iolog",
.help = "Lock down this amount of memory",
.def = "0",
},
- {
- .name = "rwmixcycle",
- .type = FIO_OPT_INT,
- .off1 = td_var_offset(rwmixcycle),
- .help = "Cycle period for mixed read/write workloads (msec)",
- .def = "500",
- },
{
.name = "rwmixread",
.type = FIO_OPT_INT,
.help = "Percentage of mixed workload that is writes",
.def = "50",
},
+ {
+ .name = "rwmixcycle",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(rwmixcycle),
+ .help = "Cycle period for mixed read/write workloads (msec)",
+ .def = "500",
+ .parent = "rwmixread",
+ },
{
.name = "nice",
.type = FIO_OPT_INT,
.off1 = td_var_offset(thinktime_spin),
.help = "Start think time by spinning this amount (usec)",
.def = "0",
+ .parent = "thinktime",
},
{
.name = "thinktime_blocks",
.off1 = td_var_offset(thinktime_blocks),
.help = "IO buffer period between 'thinktime'",
.def = "1",
+ .parent = "thinktime",
},
{
.name = "rate",
.type = FIO_OPT_INT,
.off1 = td_var_offset(ratemin),
.help = "Job must meet this rate or it will be shutdown",
+ .parent = "rate",
},
{
.name = "rate_iops",
.type = FIO_OPT_INT,
.off1 = td_var_offset(rate_iops_min),
.help = "Job must meet this rate or it will be shutdown",
+ .parent = "rate_iops",
},
{
.name = "ratecycle",
.off1 = td_var_offset(ratecycle),
.help = "Window average for rate limits (msec)",
.def = "1000",
+ .parent = "rate",
},
{
.name = "invalidate",
.off1 = td_var_offset(sync_io),
.help = "Use O_SYNC for buffered writes",
.def = "0",
+ .parent = "buffered",
},
{
.name = "bwavgtime",
.off1 = td_var_offset(cpucycle),
.help = "Length of the CPU burn cycles (usecs)",
.def = "50000",
+ .parent = "cpuload",
},
#ifdef FIO_HAVE_CPU_AFFINITY
{
},
{
.name = "hugepage-size",
- .type = FIO_OPT_STR_VAL,
+ .type = FIO_OPT_STR_VAL_INT,
.off1 = td_var_offset(hugepage_size),
.help = "When using hugepages, specify size of each page",
.def = __stringify(FIO_HUGE_PAGE),
projects / fio.git / blobdiff