static int str_bssplit_cb(void *data, const char *input)
{
struct thread_data *td = data;
- char *str, *p, *odir;
+ char *str, *p, *odir, *ddir;
int ret = 0;
p = str = strdup(input);
odir = strchr(str, ',');
if (odir) {
- ret = bssplit_ddir(td, DDIR_WRITE, odir + 1);
+ ddir = strchr(odir + 1, ',');
+ if (ddir) {
+ ret = bssplit_ddir(td, DDIR_TRIM, ddir + 1);
+ if (!ret)
+ *ddir = '\0';
+ } else {
+ char *op;
+
+ op = strdup(odir + 1);
+ ret = bssplit_ddir(td, DDIR_TRIM, op);
+
+ free(op);
+ }
+ if (!ret)
+ ret = bssplit_ddir(td, DDIR_WRITE, odir + 1);
if (!ret) {
*odir = '\0';
ret = bssplit_ddir(td, DDIR_READ, str);
char *op;
op = strdup(str);
+ ret = bssplit_ddir(td, DDIR_WRITE, op);
+ free(op);
+ if (!ret) {
+ op = strdup(str);
+ ret = bssplit_ddir(td, DDIR_TRIM, op);
+ free(op);
+ }
ret = bssplit_ddir(td, DDIR_READ, str);
- if (!ret)
- ret = bssplit_ddir(td, DDIR_WRITE, op);
-
- free(op);
}
free(p);
return ret;
}
+static int str2error(char *str)
+{
+ const char * err[] = {"EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
+ "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
+ "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
+ "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
+ "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
+ "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
+ "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
+ "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE"};
+ int i = 0, num = sizeof(err) / sizeof(void *);
+
+ while( i < num) {
+ if (!strcmp(err[i], str))
+ return i + 1;
+ i++;
+ }
+ return 0;
+}
+
+static int ignore_error_type(struct thread_data *td, int etype, char *str)
+{
+ unsigned int i;
+ int *error;
+ char *fname;
+
+ if (etype >= ERROR_TYPE_CNT) {
+ log_err("Illegal error type\n");
+ return 1;
+ }
+
+ td->o.ignore_error_nr[etype] = 4;
+ error = malloc(4 * sizeof(struct bssplit));
+
+ i = 0;
+ while ((fname = strsep(&str, ":")) != NULL) {
+
+ if (!strlen(fname))
+ break;
+
+ /*
+ * grow struct buffer, if needed
+ */
+ if (i == td->o.ignore_error_nr[etype]) {
+ td->o.ignore_error_nr[etype] <<= 1;
+ error = realloc(error, td->o.ignore_error_nr[etype]
+ * sizeof(int));
+ }
+ if (fname[0] == 'E') {
+ error[i] = str2error(fname);
+ } else {
+ error[i] = atoi(fname);
+ if (error[i] < 0)
+ error[i] = error[i];
+ }
+ if (!error[i]) {
+ log_err("Unknown error %s, please use number value \n",
+ fname);
+ return 1;
+ }
+ i++;
+ }
+ if (i) {
+ td->o.continue_on_error |= 1 << etype;
+ td->o.ignore_error_nr[etype] = i;
+ td->o.ignore_error[etype] = error;
+ }
+ return 0;
+
+}
+
+static int str_ignore_error_cb(void *data, const char *input)
+{
+ struct thread_data *td = data;
+ char *str, *p, *n;
+ int type = 0, ret = 1;
+ p = str = strdup(input);
+
+ strip_blank_front(&str);
+ strip_blank_end(str);
+
+ while (p) {
+ n = strchr(p, ',');
+ if (n)
+ *n++ = '\0';
+ ret = ignore_error_type(td, type, p);
+ if (ret)
+ break;
+ p = n;
+ type++;
+ }
+ free(str);
+ return ret;
+}
+
static int str_rw_cb(void *data, const char *str)
{
struct thread_data *td = data;
char *nr = get_opt_postfix(str);
td->o.ddir_seq_nr = 1;
- if (nr) {
+ td->o.ddir_seq_add = 0;
+
+ if (!nr)
+ return 0;
+
+ if (td_random(td))
td->o.ddir_seq_nr = atoi(nr);
- free(nr);
+ else {
+ long long val;
+
+ if (str_to_decimal(nr, &val, 1, td)) {
+ log_err("fio: rw postfix parsing failed\n");
+ free(nr);
+ return 1;
+ }
+
+ td->o.ddir_seq_add = val;
}
+ free(nr);
return 0;
}
{
struct thread_data *td = data;
- if (td->o.verify != VERIFY_CRC32C_INTEL)
- return 0;
-
- if (!crc32c_intel_works()) {
- log_info("fio: System does not support hw accelerated crc32c. Falling back to sw crc32c.\n");
- td->o.verify = VERIFY_CRC32C;
+ if (td->o.verify == VERIFY_CRC32C_INTEL ||
+ td->o.verify == VERIFY_CRC32C) {
+ crc32c_intel_probe();
}
return 0;
return 1;
}
- max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
+ max_cpu = cpus_online();
for (i = 0; i < sizeof(int) * 8; i++) {
if ((1 << i) & *val) {
strip_blank_front(&str);
strip_blank_end(str);
- max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
+ max_cpu = cpus_online();
while ((cpu = strsep(&str, ",")) != NULL) {
char *str2, *cpu2;
}
#endif
+#ifdef FIO_HAVE_LIBNUMA
+static int str_numa_cpunodes_cb(void *data, char *input)
+{
+ struct thread_data *td = data;
+
+ /* numa_parse_nodestring() parses a character string list
+ * of nodes into a bit mask. The bit mask is allocated by
+ * numa_allocate_nodemask(), so it should be freed by
+ * numa_free_nodemask().
+ */
+ td->o.numa_cpunodesmask = numa_parse_nodestring(input);
+ if (td->o.numa_cpunodesmask == NULL) {
+ log_err("fio: numa_parse_nodestring failed\n");
+ td_verror(td, 1, "str_numa_cpunodes_cb");
+ return 1;
+ }
+
+ td->o.numa_cpumask_set = 1;
+ return 0;
+}
+
+static int str_numa_mpol_cb(void *data, char *input)
+{
+ struct thread_data *td = data;
+ const char * const policy_types[] =
+ { "default", "prefer", "bind", "interleave", "local" };
+ int i;
+
+ char *nodelist = strchr(input, ':');
+ if (nodelist) {
+ /* NUL-terminate mode */
+ *nodelist++ = '\0';
+ }
+
+ for (i = 0; i <= MPOL_LOCAL; i++) {
+ if (!strcmp(input, policy_types[i])) {
+ td->o.numa_mem_mode = i;
+ break;
+ }
+ }
+ if (i > MPOL_LOCAL) {
+ log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
+ goto out;
+ }
+
+ switch (td->o.numa_mem_mode) {
+ case MPOL_PREFERRED:
+ /*
+ * Insist on a nodelist of one node only
+ */
+ if (nodelist) {
+ char *rest = nodelist;
+ while (isdigit(*rest))
+ rest++;
+ if (*rest) {
+ log_err("fio: one node only for \'prefer\'\n");
+ goto out;
+ }
+ } else {
+ log_err("fio: one node is needed for \'prefer\'\n");
+ goto out;
+ }
+ break;
+ case MPOL_INTERLEAVE:
+ /*
+ * Default to online nodes with memory if no nodelist
+ */
+ if (!nodelist)
+ nodelist = strdup("all");
+ break;
+ case MPOL_LOCAL:
+ case MPOL_DEFAULT:
+ /*
+ * Don't allow a nodelist
+ */
+ if (nodelist) {
+ log_err("fio: NO nodelist for \'local\'\n");
+ goto out;
+ }
+ break;
+ case MPOL_BIND:
+ /*
+ * Insist on a nodelist
+ */
+ if (!nodelist) {
+ log_err("fio: a nodelist is needed for \'bind\'\n");
+ goto out;
+ }
+ break;
+ }
+
+
+ /* numa_parse_nodestring() parses a character string list
+ * of nodes into a bit mask. The bit mask is allocated by
+ * numa_allocate_nodemask(), so it should be freed by
+ * numa_free_nodemask().
+ */
+ switch (td->o.numa_mem_mode) {
+ case MPOL_PREFERRED:
+ td->o.numa_mem_prefer_node = atoi(nodelist);
+ break;
+ case MPOL_INTERLEAVE:
+ case MPOL_BIND:
+ td->o.numa_memnodesmask = numa_parse_nodestring(nodelist);
+ if (td->o.numa_memnodesmask == NULL) {
+ log_err("fio: numa_parse_nodestring failed\n");
+ td_verror(td, 1, "str_numa_memnodes_cb");
+ return 1;
+ }
+ break;
+ case MPOL_LOCAL:
+ case MPOL_DEFAULT:
+ default:
+ break;
+ }
+
+ td->o.numa_memmask_set = 1;
+ return 0;
+
+out:
+ return 1;
+}
+#endif
+
#ifdef FIO_HAVE_TRIM
static int str_verify_trim_cb(void *data, unsigned long long *val)
{
}
#endif
+static int str_random_distribution_cb(void *data, const char *str)
+{
+ struct thread_data *td = data;
+ double val;
+ char *nr;
+
+ if (td->o.random_distribution == FIO_RAND_DIST_RANDOM)
+ return 0;
+
+ nr = get_opt_postfix(str);
+ if (!nr)
+ val = 0.6;
+ else if (!str_to_float(nr, &val)) {
+ log_err("fio: random postfix parsing failed\n");
+ free(nr);
+ return 1;
+ }
+
+ td->o.zipf_theta = val;
+ free(nr);
+ return 0;
+}
+
static int check_dir(struct thread_data *td, char *fname)
{
+#if 0
char file[PATH_MAX], *dir;
int elen = 0;
sprintf(file + elen, "%s", fname);
dir = dirname(file);
-#if 0
{
struct stat sb;
/*
}
}
}
+
+ /*
+ * Fill the pattern all the way to the end. This greatly reduces
+ * the number of memcpy's we have to do when verifying the IO.
+ */
+ while (i > 1 && i * 2 <= MAX_PATTERN_SIZE) {
+ memcpy(&td->o.verify_pattern[i], &td->o.verify_pattern[0], i);
+ i *= 2;
+ }
+ if (i == 1) {
+ /*
+ * 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);
+ }
+
td->o.verify_pattern_bytes = i;
+
/*
* VERIFY_META could already be set
*/
if (td->o.verify == VERIFY_NONE)
td->o.verify = VERIFY_PATTERN;
+
return 0;
}
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;
}
+static int str_size_cb(void *data, unsigned long long *__val)
+{
+ struct thread_data *td = data;
+ unsigned long long v = *__val;
+
+ if (parse_is_percent(v)) {
+ td->o.size = 0;
+ td->o.size_percent = -1ULL - v;
+ } else
+ td->o.size = v;
+
+ return 0;
+}
+
static int rw_verify(struct fio_option *o, void *data)
{
struct thread_data *td = data;
return 0;
}
-#define __stringify_1(x) #x
-#define __stringify(x) __stringify_1(x)
-
/*
* Map of job/command line options
*/
.oval = TD_DDIR_WRITE,
.help = "Sequential write",
},
+ { .ival = "trim",
+ .oval = TD_DDIR_TRIM,
+ .help = "Sequential trim",
+ },
{ .ival = "randread",
.oval = TD_DDIR_RANDREAD,
.help = "Random read",
.oval = TD_DDIR_RANDWRITE,
.help = "Random write",
},
+ { .ival = "randtrim",
+ .oval = TD_DDIR_RANDTRIM,
+ .help = "Random trim",
+ },
{ .ival = "rw",
.oval = TD_DDIR_RW,
.help = "Sequential read and write mix",
},
+ { .ival = "readwrite",
+ .oval = TD_DDIR_RW,
+ .help = "Sequential read and write mix",
+ },
{ .ival = "randrw",
.oval = TD_DDIR_RANDRW,
.help = "Random read and write mix"
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(ioengine),
.help = "IO engine to use",
- .def = "sync",
+ .def = FIO_PREFERRED_ENGINE,
.posval = {
{ .ival = "sync",
.help = "Use read/write",
#ifdef FIO_HAVE_WINDOWSAIO
{ .ival = "windowsaio",
.help = "Windows native asynchronous IO"
- },
+ },
#endif
{ .ival = "mmap",
.help = "Memory mapped IO"
{ .ival = "binject",
.help = "binject direct inject block engine",
},
+#endif
+#ifdef FIO_HAVE_RDMA
+ { .ival = "rdma",
+ .help = "RDMA IO engine",
+ },
+#endif
+#ifdef FIO_HAVE_FUSION_AW
+ { .ival = "fusion-aw-sync",
+ .help = "Fusion-io atomic write engine",
+ },
+#endif
+#ifdef FIO_HAVE_E4_ENG
+ { .ival = "e4defrag",
+ .help = "ext4 defrag engine",
+ },
+#endif
+#ifdef FIO_HAVE_FALLOC_ENG
+ { .ival = "falloc",
+ .help = "fallocate() file based engine",
+ },
#endif
{ .ival = "external",
.help = "Load external engine (append name)",
{
.name = "size",
.type = FIO_OPT_STR_VAL,
- .off1 = td_var_offset(size),
- .minval = 1,
+ .cb = str_size_cb,
.help = "Total size of device or files",
},
{
.name = "fill_device",
+ .alias = "fill_fs",
.type = FIO_OPT_BOOL,
.off1 = td_var_offset(fill_device),
.help = "Write until an ENOSPC error occurs",
.help = "Start IO from this offset",
.def = "0",
},
+ {
+ .name = "offset_increment",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(offset_increment),
+ .help = "What is the increment from one offset to the next",
+ .parent = "offset",
+ .def = "0",
+ },
{
.name = "bs",
.alias = "blocksize",
.type = FIO_OPT_INT,
.off1 = td_var_offset(bs[DDIR_READ]),
.off2 = td_var_offset(bs[DDIR_WRITE]),
+ .off3 = td_var_offset(bs[DDIR_TRIM]),
.minval = 1,
.help = "Block size unit",
.def = "4k",
.type = FIO_OPT_INT,
.off1 = td_var_offset(ba[DDIR_READ]),
.off2 = td_var_offset(ba[DDIR_WRITE]),
+ .off3 = td_var_offset(ba[DDIR_TRIM]),
.minval = 1,
.help = "IO block offset alignment",
.parent = "rw",
.off2 = td_var_offset(max_bs[DDIR_READ]),
.off3 = td_var_offset(min_bs[DDIR_WRITE]),
.off4 = td_var_offset(max_bs[DDIR_WRITE]),
+ .off5 = td_var_offset(min_bs[DDIR_TRIM]),
+ .off6 = td_var_offset(max_bs[DDIR_TRIM]),
.minval = 1,
.help = "Set block size range (in more detail than bs)",
.parent = "rw",
.def = "1",
.parent = "rw",
},
+ {
+ .name = "use_os_rand",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(use_os_rand),
+ .help = "Set to use OS random generator",
+ .def = "0",
+ .parent = "rw",
+ },
{
.name = "norandommap",
.type = FIO_OPT_STR_SET,
.parent = "norandommap",
.def = "0",
},
+ {
+ .name = "random_distribution",
+ .type = FIO_OPT_STR,
+ .off1 = td_var_offset(random_distribution),
+ .cb = str_random_distribution_cb,
+ .help = "Random offset distribution generator",
+ .def = "random",
+ .posval = {
+ { .ival = "random",
+ .oval = FIO_RAND_DIST_RANDOM,
+ .help = "Completely random",
+ },
+ { .ival = "zipf",
+ .oval = FIO_RAND_DIST_ZIPF,
+ .help = "Zipf distribution",
+ },
+ },
+ },
{
.name = "nrfiles",
.alias = "nr_files",
#ifdef FIO_HAVE_FALLOCATE
{
.name = "fallocate",
- .type = FIO_OPT_BOOL,
- .off1 = td_var_offset(fallocate),
- .help = "Use fallocate() when laying out files",
- .def = "1",
- },
+ .type = FIO_OPT_STR,
+ .off1 = td_var_offset(fallocate_mode),
+ .help = "Whether pre-allocation is performed when laying out files",
+ .def = "posix",
+ .posval = {
+ { .ival = "none",
+ .oval = FIO_FALLOCATE_NONE,
+ .help = "Do not pre-allocate space",
+ },
+ { .ival = "posix",
+ .oval = FIO_FALLOCATE_POSIX,
+ .help = "Use posix_fallocate()",
+ },
+#ifdef FIO_HAVE_LINUX_FALLOCATE
+ { .ival = "keep",
+ .oval = FIO_FALLOCATE_KEEP_SIZE,
+ .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
+ },
#endif
+ /* Compatibility with former boolean values */
+ { .ival = "0",
+ .oval = FIO_FALLOCATE_NONE,
+ .help = "Alias for 'none'",
+ },
+ { .ival = "1",
+ .oval = FIO_FALLOCATE_POSIX,
+ .help = "Alias for 'posix'",
+ },
+ },
+ },
+#endif /* FIO_HAVE_FALLOCATE */
{
.name = "fadvise_hint",
.type = FIO_OPT_BOOL,
.help = "Use crc32 checksums for verification",
},
{ .ival = "crc32c-intel",
- .oval = VERIFY_CRC32C_INTEL,
- .help = "Use hw crc32c checksums for verification",
+ .oval = VERIFY_CRC32C,
+ .help = "Use crc32c checksums for verification (hw assisted, if available)",
},
{ .ival = "crc32c",
.oval = VERIFY_CRC32C,
- .help = "Use crc32c checksums for verification",
+ .help = "Use crc32c checksums for verification (hw assisted, if available)",
},
{ .ival = "crc16",
.oval = VERIFY_CRC16,
.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",
},
.name = "zonesize",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(zone_size),
+ .help = "Amount of data to read per zone",
+ .def = "0",
+ },
+ {
+ .name = "zonerange",
+ .type = FIO_OPT_STR_VAL,
+ .off1 = td_var_offset(zone_range),
.help = "Give size of an IO zone",
.def = "0",
},
{
.name = "rate",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(rate[0]),
- .off2 = td_var_offset(rate[1]),
+ .off1 = td_var_offset(rate[DDIR_READ]),
+ .off2 = td_var_offset(rate[DDIR_WRITE]),
+ .off3 = td_var_offset(rate[DDIR_TRIM]),
.help = "Set bandwidth rate",
},
{
.name = "ratemin",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(ratemin[0]),
- .off2 = td_var_offset(ratemin[1]),
+ .off1 = td_var_offset(ratemin[DDIR_READ]),
+ .off2 = td_var_offset(ratemin[DDIR_WRITE]),
+ .off3 = td_var_offset(ratemin[DDIR_TRIM]),
.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[0]),
- .off2 = td_var_offset(rate_iops[1]),
+ .off1 = td_var_offset(rate_iops[DDIR_READ]),
+ .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
+ .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
.help = "Limit IO used to this number of IO operations/sec",
},
{
.name = "rate_iops_min",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(rate_iops_min[0]),
- .off2 = td_var_offset(rate_iops_min[1]),
+ .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
+ .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
+ .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
.help = "Job must meet this rate or it will be shut down",
.parent = "rate_iops",
},
.def = "1000",
.parent = "rate",
},
+ {
+ .name = "max_latency",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(max_latency),
+ .help = "Maximum tolerated IO latency (usec)",
+ },
{
.name = "invalidate",
.type = FIO_OPT_BOOL,
.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",
.help = "Create files when they are opened for IO",
.def = "0",
},
+ {
+ .name = "create_only",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(create_only),
+ .help = "Only perform file creation phase",
+ .def = "0",
+ },
{
.name = "pre_read",
.type = FIO_OPT_BOOL,
.cb = str_cpus_allowed_cb,
.help = "Set CPUs allowed",
},
+#endif
+#ifdef FIO_HAVE_LIBNUMA
+ {
+ .name = "numa_cpu_nodes",
+ .type = FIO_OPT_STR,
+ .cb = str_numa_cpunodes_cb,
+ .help = "NUMA CPU nodes bind",
+ },
+ {
+ .name = "numa_mem_policy",
+ .type = FIO_OPT_STR,
+ .cb = str_numa_mpol_cb,
+ .help = "NUMA memory policy setup",
+ },
#endif
{
.name = "end_fsync",
},
{
.name = "stonewall",
+ .alias = "wait_for_previous",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(stonewall),
.help = "Insert a hard barrier between this job and previous",
.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 = "log_avg_msec",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(log_avg_msec),
+ .help = "Average bw/iops/lat logs over this period of time",
+ .def = "0",
+ },
{
.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 = "buffer_compress_percentage",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(compress_percentage),
+ .maxval = 100,
+ .minval = 1,
+ .help = "How compressible the buffer is (approximately)",
+ },
+ {
+ .name = "buffer_compress_chunk",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(compress_chunk),
+ .parent = "buffer_compress_percentage",
+ .help = "Size of compressible region in buffer",
+ },
+ {
+ .name = "clat_percentiles",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(clat_percentiles),
+ .help = "Enable the reporting of completion latency percentiles",
+ .def = "1",
+ },
+ {
+ .name = "percentile_list",
+ .type = FIO_OPT_FLOAT_LIST,
+ .off1 = td_var_offset(percentile_list),
+ .off2 = td_var_offset(overwrite_plist),
+ .help = "Specify a custom list of percentiles to report",
+ .maxlen = FIO_IO_U_LIST_MAX_LEN,
+ .minfp = 0.0,
+ .maxfp = 100.0,
+ },
+
#ifdef FIO_HAVE_DISK_UTIL
{
.name = "disk_util",
},
{
.name = "continue_on_error",
- .type = FIO_OPT_BOOL,
+ .type = FIO_OPT_STR,
.off1 = td_var_offset(continue_on_error),
.help = "Continue on non-fatal errors during IO",
+ .def = "none",
+ .posval = {
+ { .ival = "none",
+ .oval = ERROR_TYPE_NONE,
+ .help = "Exit when an error is encountered",
+ },
+ { .ival = "read",
+ .oval = ERROR_TYPE_READ,
+ .help = "Continue on read errors only",
+ },
+ { .ival = "write",
+ .oval = ERROR_TYPE_WRITE,
+ .help = "Continue on write errors only",
+ },
+ { .ival = "io",
+ .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
+ .help = "Continue on any IO errors",
+ },
+ { .ival = "verify",
+ .oval = ERROR_TYPE_VERIFY,
+ .help = "Continue on verify errors only",
+ },
+ { .ival = "all",
+ .oval = ERROR_TYPE_ANY,
+ .help = "Continue on all io and verify errors",
+ },
+ { .ival = "0",
+ .oval = ERROR_TYPE_NONE,
+ .help = "Alias for 'none'",
+ },
+ { .ival = "1",
+ .oval = ERROR_TYPE_ANY,
+ .help = "Alias for 'all'",
+ },
+ },
+ },
+ {
+ .name = "ignore_error",
+ .type = FIO_OPT_STR,
+ .cb = str_ignore_error_cb,
+ .help = "Set a specific list of errors to ignore",
+ .parent = "rw",
+ },
+ {
+ .name = "error_dump",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(error_dump),
.def = "0",
+ .help = "Dump info on each error",
},
+
{
.name = "profile",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(gid),
.help = "Run job with this group ID",
},
+ {
+ .name = "flow_id",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(flow_id),
+ .help = "The flow index ID to use",
+ .def = "0",
+ },
+ {
+ .name = "flow",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(flow),
+ .help = "Weight for flow control of this job",
+ .parent = "flow_id",
+ .def = "0",
+ },
+ {
+ .name = "flow_watermark",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(flow_watermark),
+ .help = "High watermark for flow control. This option"
+ " should be set to the same value for all threads"
+ " with non-zero flow.",
+ .parent = "flow_id",
+ .def = "1024",
+ },
+ {
+ .name = "flow_sleep",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(flow_sleep),
+ .help = "How many microseconds to sleep after being held"
+ " back by the flow control mechanism",
+ .parent = "flow_id",
+ .def = "0",
+ },
{
.name = NULL,
},
};
static void add_to_lopt(struct option *lopt, struct fio_option *o,
- const char *name)
+ const char *name, int val)
{
lopt->name = (char *) name;
- lopt->val = FIO_GETOPT_JOB;
+ lopt->val = val;
if (o->type == FIO_OPT_STR_SET)
lopt->has_arg = no_argument;
else
lopt->has_arg = required_argument;
}
-void fio_options_dup_and_init(struct option *long_options)
+static void options_to_lopts(struct fio_option *opts,
+ struct option *long_options,
+ int i, int option_type)
{
- struct fio_option *o;
- unsigned int i;
-
- options_init(options);
-
- i = 0;
- while (long_options[i].name)
- i++;
-
- o = &options[0];
+ struct fio_option *o = &opts[0];
while (o->name) {
- add_to_lopt(&long_options[i], o, o->name);
+ add_to_lopt(&long_options[i], o, o->name, option_type);
if (o->alias) {
i++;
- add_to_lopt(&long_options[i], o, o->alias);
+ add_to_lopt(&long_options[i], o, o->alias, option_type);
}
i++;
}
}
+void fio_options_set_ioengine_opts(struct option *long_options,
+ struct thread_data *td)
+{
+ unsigned int i;
+
+ i = 0;
+ while (long_options[i].name) {
+ if (long_options[i].val == FIO_GETOPT_IOENGINE) {
+ memset(&long_options[i], 0, sizeof(*long_options));
+ break;
+ }
+ i++;
+ }
+
+ /*
+ * Just clear out the prior ioengine options.
+ */
+ if (!td || !td->eo)
+ return;
+
+ options_to_lopts(td->io_ops->options, long_options, i,
+ FIO_GETOPT_IOENGINE);
+}
+
+void fio_options_dup_and_init(struct option *long_options)
+{
+ unsigned int i;
+
+ options_init(options);
+
+ i = 0;
+ while (long_options[i].name)
+ i++;
+
+ options_to_lopts(options, long_options, i, FIO_GETOPT_JOB);
+}
+
struct fio_keyword {
const char *word;
const char *desc;
char buf[128];
long l;
- sprintf(buf, "%lu", page_size);
+ sprintf(buf, "%lu", (unsigned long) page_size);
fio_keywords[0].replace = strdup(buf);
- mb_memory = os_phys_mem() / page_size;
+ mb_memory = os_phys_mem() / (1024 * 1024);
sprintf(buf, "%llu", mb_memory);
fio_keywords[1].replace = strdup(buf);
- l = sysconf(_SC_NPROCESSORS_ONLN);
+ l = cpus_online();
sprintf(buf, "%lu", l);
fio_keywords[2].replace = strdup(buf);
}
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;
+ int i, ret, unknown;
+ char **opts_copy;
sort_options(opts, options, num_opts);
+ opts_copy = dup_and_sub_options(opts, num_opts);
+
+ for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
+ struct fio_option *o;
+ int newret = parse_option(opts_copy[i], opts[i], options, &o,
+ td);
- for (ret = 0, i = 0; i < num_opts; i++) {
- opts[i] = fio_keyword_replace(opts[i]);
- ret |= parse_option(opts[i], options, td);
+ if (opts_copy[i]) {
+ if (newret && !o) {
+ unknown++;
+ continue;
+ }
+ free(opts_copy[i]);
+ opts_copy[i] = NULL;
+ }
+
+ ret |= newret;
+ }
+
+ if (unknown) {
+ ret |= ioengine_load(td);
+ if (td->eo) {
+ sort_options(opts_copy, td->io_ops->options, num_opts);
+ opts = opts_copy;
+ }
+ for (i = 0; i < num_opts; i++) {
+ struct fio_option *o = NULL;
+ int newret = 1;
+ if (!opts_copy[i])
+ continue;
+
+ if (td->eo)
+ newret = parse_option(opts_copy[i], opts[i],
+ td->io_ops->options, &o,
+ td->eo);
+
+ ret |= newret;
+ if (!o)
+ log_err("Bad option <%s>\n", opts[i]);
+
+ free(opts_copy[i]);
+ opts_copy[i] = NULL;
+ }
}
+ free(opts_copy);
return ret;
}
return parse_cmd_option(opt, val, options, td);
}
+int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
+ char *val)
+{
+ return parse_cmd_option(opt, val, td->io_ops->options, td);
+}
+
void fio_fill_default_options(struct thread_data *td)
{
fill_default_options(td, options);
return show_cmd_help(options, opt);
}
-static void __options_mem(struct thread_data *td, int alloc)
+void options_mem_dupe(void *data, struct fio_option *options)
{
- struct thread_options *o = &td->o;
- struct fio_option *opt;
+ struct fio_option *o;
char **ptr;
- int i;
- for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
- if (opt->type != FIO_OPT_STR_STORE)
+ for (o = &options[0]; o->name; o++) {
+ if (o->type != FIO_OPT_STR_STORE)
continue;
- ptr = (void *) o + opt->off1;
- if (*ptr) {
- if (alloc)
- *ptr = strdup(*ptr);
- else {
- free(*ptr);
- *ptr = NULL;
- }
- }
+ ptr = td_var(data, o->off1);
+ if (*ptr)
+ *ptr = strdup(*ptr);
}
}
/*
* dupe FIO_OPT_STR_STORE options
*/
-void options_mem_dupe(struct thread_data *td)
+void fio_options_mem_dupe(struct thread_data *td)
{
- __options_mem(td, 1);
-}
+ options_mem_dupe(&td->o, options);
-void options_mem_free(struct thread_data fio_unused *td)
-{
-#if 0
- __options_mem(td, 0);
-#endif
+ if (td->eo && td->io_ops) {
+ void *oldeo = td->eo;
+
+ td->eo = malloc(td->io_ops->option_struct_size);
+ memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
+ options_mem_dupe(td->eo, td->io_ops->options);
+ }
}
unsigned int fio_get_kb_base(void *data)
o->posval[i].help = NULL;
}
}
+
+void fio_options_free(struct thread_data *td)
+{
+ options_free(options, td);
+ if (td->eo && td->io_ops && td->io_ops->options) {
+ options_free(td->io_ops->options, td->eo);
+ free(td->eo);
+ td->eo = NULL;
+ }
+}