return 0;
}
+#ifdef FIO_HAVE_LIBAIO
+static int str_libaio_cb(void *data, const char *str)
+{
+ struct thread_data *td = data;
+
+ if (!strcmp(str, "userspace_reap")) {
+ td->o.userspace_libaio_reap = 1;
+ return 0;
+ }
+
+ log_err("fio: bad libaio sub-option: %s\n", str);
+ return 1;
+}
+#endif
+
static int str_mem_cb(void *data, const char *mem)
{
struct thread_data *td = data;
return start;
}
+static int str_hostname_cb(void *data, const char *input)
+{
+ struct thread_data *td = data;
+
+ td->o.filename = strdup(input);
+ return 0;
+}
+
static int str_filename_cb(void *data, const char *input)
{
struct thread_data *td = data;
return 0;
}
+static int str_write_iops_log_cb(void *data, const char *str)
+{
+ struct thread_data *td = data;
+
+ if (str)
+ td->o.iops_log_file = strdup(str);
+
+ td->o.write_iops_log = 1;
+ return 0;
+}
+
static int str_gtod_reduce_cb(void *data, int *il)
{
struct thread_data *td = data;
td->o.disable_clat = !!val;
td->o.disable_slat = !!val;
td->o.disable_bw = !!val;
+ td->o.clat_percentiles = !val;
if (val)
td->tv_cache_mask = 63;
return 0;
}
-#define __stringify_1(x) #x
-#define __stringify(x) __stringify_1(x)
-
/*
* Map of job/command line options
*/
.prio = -1, /* must come after "directory" */
.help = "File(s) to use for the workload",
},
+ {
+ .name = "hostname",
+ .type = FIO_OPT_STR_STORE,
+ .cb = str_hostname_cb,
+ .help = "Hostname for net IO engine",
+ },
{
.name = "kb_base",
.type = FIO_OPT_INT,
#ifdef FIO_HAVE_LIBAIO
{ .ival = "libaio",
.help = "Linux native asynchronous IO",
+ .cb = str_libaio_cb,
},
#endif
#ifdef FIO_HAVE_POSIXAIO
.name = "verify_dump",
.type = FIO_OPT_BOOL,
.off1 = td_var_offset(verify_dump),
- .def = "1",
+ .def = "0",
.help = "Dump contents of good and bad blocks on failure",
.parent = "verify",
},
.help = "Time window over which to calculate bandwidth"
" (msec)",
.def = "500",
+ .parent = "write_bw_log",
+ },
+ {
+ .name = "iopsavgtime",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(iops_avg_time),
+ .help = "Time window over which to calculate IOPS (msec)",
+ .def = "500",
+ .parent = "write_iops_log",
},
{
.name = "create_serialize",
.cb = str_write_lat_log_cb,
.help = "Write log of latency during run",
},
+ {
+ .name = "write_iops_log",
+ .type = FIO_OPT_STR,
+ .off1 = td_var_offset(write_iops_log),
+ .cb = str_write_iops_log_cb,
+ .help = "Write log of IOPS during run",
+ },
{
.name = "hugepage-size",
.type = FIO_OPT_INT,
.off1 = td_var_offset(hugepage_size),
.help = "When using hugepages, specify size of each page",
- .def = __stringify(FIO_HUGE_PAGE),
+ .def = __fio_stringify(FIO_HUGE_PAGE),
},
{
.name = "group_reporting",
.off1 = td_var_offset(refill_buffers),
.help = "Refill IO buffers on every IO submit",
},
+ {
+ .name = "scramble_buffers",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(scramble_buffers),
+ .help = "Slightly scramble buffers on every IO submit",
+ .def = "1",
+ },
{
.name = "clat_percentiles",
.type = FIO_OPT_BOOL,
.off1 = td_var_offset(clat_percentiles),
.help = "Enable the reporting of completion latency percentiles",
- .def = "0",
+ .def = "1",
},
{
.name = "percentile_list",
static char *bc_calc(char *str)
{
- char *buf, *tmp, opt[80];
+ char buf[128], *tmp;
FILE *f;
int ret;
/*
* No math, just return string
*/
- if (!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
- !strchr(str, '/'))
+ if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
+ !strchr(str, '/')) || strchr(str, '\''))
return str;
/*
return str;
tmp++;
- memset(opt, 0, sizeof(opt));
- strncpy(opt, str, tmp - str);
- buf = malloc(128);
+ /*
+ * Prevent buffer overflows; such a case isn't reasonable anyway
+ */
+ if (strlen(str) >= 128 || strlen(tmp) > 100)
+ return str;
sprintf(buf, "which %s > /dev/null", BC_APP);
if (system(buf)) {
log_err("fio: bc is needed for performing math\n");
- free(buf);
return NULL;
}
- sprintf(buf, "echo %s | %s", tmp, BC_APP);
+ sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
f = popen(buf, "r");
if (!f) {
- free(buf);
return NULL;
}
- ret = fread(buf, 1, 128, f);
+ ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
if (ret <= 0) {
- free(buf);
return NULL;
}
- buf[ret - 1] = '\0';
- strcat(opt, buf);
- strcpy(buf, opt);
pclose(f);
+ buf[(tmp - str) + ret - 1] = '\0';
+ memcpy(buf, str, tmp - str);
free(str);
- return buf;
+ return strdup(buf);
+}
+
+/*
+ * Return a copy of the input string with substrings of the form ${VARNAME}
+ * substituted with the value of the environment variable VARNAME. The
+ * substitution always occurs, even if VARNAME is empty or the corresponding
+ * environment variable undefined.
+ */
+static char *option_dup_subs(const char *opt)
+{
+ char out[OPT_LEN_MAX+1];
+ char in[OPT_LEN_MAX+1];
+ char *outptr = out;
+ char *inptr = in;
+ char *ch1, *ch2, *env;
+ ssize_t nchr = OPT_LEN_MAX;
+ size_t envlen;
+
+ if (strlen(opt) + 1 > OPT_LEN_MAX) {
+ log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
+ return NULL;
+ }
+
+ in[OPT_LEN_MAX] = '\0';
+ strncpy(in, opt, OPT_LEN_MAX);
+
+ while (*inptr && nchr > 0) {
+ if (inptr[0] == '$' && inptr[1] == '{') {
+ ch2 = strchr(inptr, '}');
+ if (ch2 && inptr+1 < ch2) {
+ ch1 = inptr+2;
+ inptr = ch2+1;
+ *ch2 = '\0';
+
+ env = getenv(ch1);
+ if (env) {
+ envlen = strlen(env);
+ if (envlen <= nchr) {
+ memcpy(outptr, env, envlen);
+ outptr += envlen;
+ nchr -= envlen;
+ }
+ }
+
+ continue;
+ }
+ }
+
+ *outptr++ = *inptr++;
+ --nchr;
+ }
+
+ *outptr = '\0';
+ return strdup(out);
}
/*
{
char *s;
int i;
+ int docalc = 0;
for (i = 0; fio_keywords[i].word != NULL; i++) {
struct fio_keyword *kw = &fio_keywords[i];
* replace opt and free the old opt
*/
opt = new;
- //free(o_org);
+ free(o_org);
- /*
- * Check for potential math and invoke bc, if possible
- */
- opt = bc_calc(opt);
+ docalc = 1;
}
}
+ /*
+ * Check for potential math and invoke bc, if possible
+ */
+ if (docalc)
+ opt = bc_calc(opt);
+
return opt;
}
+static char **dup_and_sub_options(char **opts, int num_opts)
+{
+ int i;
+ char **opts_copy = malloc(num_opts * sizeof(*opts));
+ for (i = 0; i < num_opts; i++) {
+ opts_copy[i] = option_dup_subs(opts[i]);
+ if (!opts_copy[i])
+ continue;
+ opts_copy[i] = fio_keyword_replace(opts_copy[i]);
+ }
+ return opts_copy;
+}
+
int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
{
int i, ret;
+ char **opts_copy;
sort_options(opts, options, num_opts);
+ opts_copy = dup_and_sub_options(opts, num_opts);
for (ret = 0, i = 0; i < num_opts; i++) {
- opts[i] = fio_keyword_replace(opts[i]);
- ret |= parse_option(opts[i], options, td);
+ ret |= parse_option(opts_copy[i], opts[i], options, td);
+
+ if (opts_copy[i])
+ free(opts_copy[i]);
+ opts_copy[i] = NULL;
}
+ free(opts_copy);
return ret;
}
return show_cmd_help(options, opt);
}
-static void __options_mem(struct thread_data *td, int alloc)
+/*
+ * dupe FIO_OPT_STR_STORE options
+ */
+void options_mem_dupe(struct thread_data *td)
{
struct thread_options *o = &td->o;
struct fio_option *opt;
continue;
ptr = (void *) o + opt->off1;
- if (*ptr) {
- if (alloc)
- *ptr = strdup(*ptr);
- else {
- free(*ptr);
- *ptr = NULL;
- }
- }
+ if (!*ptr)
+ ptr = td_var(o, opt->off1);
+ if (*ptr)
+ *ptr = strdup(*ptr);
}
}
-/*
- * dupe FIO_OPT_STR_STORE options
- */
-void options_mem_dupe(struct thread_data *td)
-{
- __options_mem(td, 1);
-}
-
-void options_mem_free(struct thread_data fio_unused *td)
-{
-#if 0
- __options_mem(td, 0);
-#endif
-}
-
unsigned int fio_get_kb_base(void *data)
{
struct thread_data *td = data;
o->posval[i].help = NULL;
}
}
+
+void fio_options_free(struct thread_data *td)
+{
+ options_free(options, td);
+}
projects / fio.git / blobdiff