td->o.disable_bw = !!val;
td->o.clat_percentiles = !val;
if (val)
- td->tv_cache_mask = 63;
+ td->ts_cache_mask = 63;
return 0;
}
if (parse_is_percent(v)) {
td->o.size = 0;
td->o.size_percent = -1ULL - v;
+ dprint(FD_PARSE, "SET size_percent %d\n",
+ td->o.size_percent);
} else
td->o.size = v;
return 0;
}
+/*
+ * str is supposed to be a substring of the strdup'd original string,
+ * and is valid only if it's a regular file path.
+ * This function keeps the pointer to the path as needed later.
+ *
+ * "external:/path/to/so\0" <- original pointer updated with strdup'd
+ * "external\0" <- above pointer after parsed, i.e. ->ioengine
+ * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
+ */
+static int str_ioengine_external_cb(void *data, const char *str)
+{
+ struct thread_data *td = cb_data_to_td(data);
+ struct stat sb;
+ char *p;
+
+ if (!str) {
+ log_err("fio: null external ioengine path\n");
+ return 1;
+ }
+
+ p = (char *)str; /* str is mutable */
+ strip_blank_front(&p);
+ strip_blank_end(p);
+
+ if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
+ log_err("fio: invalid external ioengine path \"%s\"\n", p);
+ return 1;
+ }
+
+ td->o.ioengine_so_path = p;
+ return 0;
+}
+
static int rw_verify(struct fio_option *o, void *data)
{
struct thread_data *td = cb_data_to_td(data);
.help = "DAX Device based IO engine",
},
#endif
+ {
+ .ival = "filecreate",
+ .help = "File creation engine",
+ },
{ .ival = "external",
.help = "Load external engine (append name)",
+ .cb = str_ioengine_external_cb,
},
},
},
.category = FIO_OPT_C_IO,
.group = FIO_OPT_G_IO_BASIC,
},
+ {
+ .name = "serialize_overlap",
+ .lname = "Serialize overlap",
+ .off1 = offsetof(struct thread_options, serialize_overlap),
+ .type = FIO_OPT_BOOL,
+ .help = "Wait for in-flight IOs that collide to complete",
+ .parent = "iodepth",
+ .def = "0",
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_IO_BASIC,
+ },
{
.name = "io_submit_mode",
.lname = "IO submit mode",
.oval = FIO_FSERVICE_PARETO,
.help = "Pareto randomized",
},
+ { .ival = "normal",
+ .oval = FIO_FSERVICE_GAUSS,
+ .help = "Normal (Gaussian) randomized",
+ },
{ .ival = "gauss",
.oval = FIO_FSERVICE_GAUSS,
- .help = "Normal (Gaussian) distribution",
+ .help = "Alias for normal",
},
{ .ival = "roundrobin",
.oval = FIO_FSERVICE_RR,
.parent = "nrfiles",
.hide = 1,
},
-#ifdef CONFIG_POSIX_FALLOCATE
+#ifdef FIO_HAVE_ANY_FALLOCATE
{
.name = "fallocate",
.lname = "Fallocate",
.type = FIO_OPT_STR,
.off1 = offsetof(struct thread_options, fallocate_mode),
.help = "Whether pre-allocation is performed when laying out files",
- .def = "posix",
+ .def = "native",
.category = FIO_OPT_C_FILE,
.group = FIO_OPT_G_INVALID,
.posval = {
.oval = FIO_FALLOCATE_NONE,
.help = "Do not pre-allocate space",
},
+ { .ival = "native",
+ .oval = FIO_FALLOCATE_NATIVE,
+ .help = "Use native pre-allocation if possible",
+ },
+#ifdef CONFIG_POSIX_FALLOCATE
{ .ival = "posix",
.oval = FIO_FALLOCATE_POSIX,
.help = "Use posix_fallocate()",
},
+#endif
#ifdef CONFIG_LINUX_FALLOCATE
{ .ival = "keep",
.oval = FIO_FALLOCATE_KEEP_SIZE,
.oval = FIO_FALLOCATE_NONE,
.help = "Alias for 'none'",
},
+#ifdef CONFIG_POSIX_FALLOCATE
{ .ival = "1",
.oval = FIO_FALLOCATE_POSIX,
.help = "Alias for 'posix'",
},
+#endif
},
},
-#else /* CONFIG_POSIX_FALLOCATE */
+#else /* FIO_HAVE_ANY_FALLOCATE */
{
.name = "fallocate",
.lname = "Fallocate",
.type = FIO_OPT_UNSUPPORTED,
.help = "Your platform does not support fallocate",
},
-#endif /* CONFIG_POSIX_FALLOCATE */
+#endif /* FIO_HAVE_ANY_FALLOCATE */
{
.name = "fadvise_hint",
.lname = "Fadvise hint",
.off1 = offsetof(struct thread_options, clat_percentiles),
.help = "Enable the reporting of completion latency percentiles",
.def = "1",
+ .inverse = "lat_percentiles",
+ .category = FIO_OPT_C_STAT,
+ .group = FIO_OPT_G_INVALID,
+ },
+ {
+ .name = "lat_percentiles",
+ .lname = "IO latency percentiles",
+ .type = FIO_OPT_BOOL,
+ .off1 = offsetof(struct thread_options, lat_percentiles),
+ .help = "Enable the reporting of IO latency percentiles",
+ .def = "0",
+ .inverse = "clat_percentiles",
.category = FIO_OPT_C_STAT,
.group = FIO_OPT_G_INVALID,
},
.category = FIO_OPT_C_IO,
.group = FIO_OPT_G_IO_FLOW,
},
- {
- .name = "skip_bad",
- .lname = "Skip operations against bad blocks",
- .type = FIO_OPT_BOOL,
- .off1 = offsetof(struct thread_options, skip_bad),
- .help = "Skip operations against known bad blocks.",
- .hide = 1,
- .def = "0",
- .category = FIO_OPT_C_IO,
- .group = FIO_OPT_G_MTD,
- },
{
.name = "steadystate",
.lname = "Steady state threshold",