Add ramp_time option
[fio.git] / options.c
index f05b786bcf742c09b5488197a8d4ba88939d3e5d..8723adff589321729e5501d458174ccdef5ad830 100644 (file)
--- a/options.c
+++ b/options.c
@@ -5,10 +5,14 @@
 #include <string.h>
 #include <getopt.h>
 #include <assert.h>
+#include <libgen.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 
 #include "fio.h"
 #include "parse.h"
-#include "fls.h"
+#include "lib/fls.h"
 
 #define td_var_offset(var)     ((size_t) &((struct thread_options *)0)->var)
 
@@ -177,6 +181,24 @@ static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
        return 0;
 }
 
+static int str_rwmix_read_cb(void *data, unsigned int *val)
+{
+       struct thread_data *td = data;
+
+       td->o.rwmix[DDIR_READ] = *val;
+       td->o.rwmix[DDIR_WRITE] = 100 - *val;
+       return 0;
+}
+
+static int str_rwmix_write_cb(void *data, unsigned int *val)
+{
+       struct thread_data *td = data;
+
+       td->o.rwmix[DDIR_WRITE] = *val;
+       td->o.rwmix[DDIR_READ] = 100 - *val;
+       return 0;
+}
+
 #ifdef FIO_HAVE_IOPRIO
 static int str_prioclass_cb(void *data, unsigned int *val)
 {
@@ -269,6 +291,45 @@ static int str_fst_cb(void *data, const char *str)
        return 0;
 }
 
+static int check_dir(struct thread_data *td, char *fname)
+{
+       char file[PATH_MAX], *dir;
+       int elen = 0;
+
+       if (td->o.directory) {
+               strcpy(file, td->o.directory);
+               strcat(file, "/");
+               elen = strlen(file);
+       }
+
+       sprintf(file + elen, "%s", fname);
+       dir = dirname(file);
+
+#if 0
+       {
+       struct stat sb;
+       /*
+        * We can't do this on FIO_DISKLESSIO engines. The engine isn't loaded
+        * yet, so we can't do this check right here...
+        */
+       if (lstat(dir, &sb) < 0) {
+               int ret = errno;
+
+               log_err("fio: %s is not a directory\n", dir);
+               td_verror(td, ret, "lstat");
+               return 1;
+       }
+
+       if (!S_ISDIR(sb.st_mode)) {
+               log_err("fio: %s is not a directory\n", dir);
+               return 1;
+       }
+       }
+#endif
+
+       return 0;
+}
+
 static int str_filename_cb(void *data, const char *input)
 {
        struct thread_data *td = data;
@@ -285,6 +346,10 @@ static int str_filename_cb(void *data, const char *input)
        while ((fname = strsep(&str, ":")) != NULL) {
                if (!strlen(fname))
                        break;
+               if (check_dir(td, fname)) {
+                       free(p);
+                       return 1;
+               }
                add_file(td, fname);
                td->o.nr_files++;
        }
@@ -299,8 +364,10 @@ static int str_directory_cb(void *data, const char fio_unused *str)
        struct stat sb;
 
        if (lstat(td->o.directory, &sb) < 0) {
+               int ret = errno;
+
                log_err("fio: %s is not a directory\n", td->o.directory);
-               td_verror(td, errno, "lstat");
+               td_verror(td, ret, "lstat");
                return 1;
        }
        if (!S_ISDIR(sb.st_mode)) {
@@ -339,7 +406,7 @@ static int str_verify_pattern_cb(void *data, unsigned int *off)
        struct thread_data *td = data;
        unsigned int msb;
 
-       msb = fls(*off);
+       msb = __fls(*off);
        if (msb <= 8)
                td->o.verify_pattern_bytes = 1;
        else if (msb <= 16)
@@ -396,6 +463,7 @@ static struct fio_option options[] = {
                .type   = FIO_OPT_STR_STORE,
                .off1   = td_var_offset(filename),
                .cb     = str_filename_cb,
+               .prio   = 1, /* must come before "directory" */
                .help   = "File(s) to use for the workload",
        },
        {
@@ -489,6 +557,11 @@ static struct fio_option options[] = {
                          { .ival = "posixaio",
                            .help = "POSIX asynchronous IO",
                          },
+#endif
+#ifdef FIO_HAVE_SOLARISAIO
+                         { .ival = "solarisaio",
+                           .help = "Solaris native asynchronous IO",
+                         },
 #endif
                          { .ival = "mmap",
                            .help = "Memory mapped IO",
@@ -540,6 +613,7 @@ static struct fio_option options[] = {
        },
        {
                .name   = "iodepth_batch",
+               .alias  = "iodepth_batch_submit",
                .type   = FIO_OPT_INT,
                .off1   = td_var_offset(iodepth_batch),
                .help   = "Number of IO to submit in one go",
@@ -547,6 +621,15 @@ static struct fio_option options[] = {
                .minval = 1,
                .def    = "1",
        },
+       {
+               .name   = "iodepth_batch_complete",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(iodepth_batch_complete),
+               .help   = "Number of IO to retrieve in one go",
+               .parent = "iodepth",
+               .minval = 0,
+               .def    = "1",
+       },
        {
                .name   = "iodepth_low",
                .type   = FIO_OPT_INT,
@@ -637,6 +720,14 @@ static struct fio_option options[] = {
                .help   = "Accept potential duplicate random blocks",
                .parent = "rw",
        },
+       {
+               .name   = "softrandommap",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(softrandommap),
+               .help   = "Set norandommap if randommap allocation fails",
+               .parent = "norandommap",
+               .def    = "0",
+       },
        {
                .name   = "nrfiles",
                .type   = FIO_OPT_INT,
@@ -740,6 +831,12 @@ static struct fio_option options[] = {
                .off1   = td_var_offset(time_based),
                .help   = "Keep running until runtime/timeout is met",
        },
+       {
+               .name   = "ramp_time",
+               .type   = FIO_OPT_STR_VAL_TIME,
+               .off1   = td_var_offset(ramp_time),
+               .help   = "Ramp up time before measuring performance",
+       },
        {
                .name   = "mem",
                .alias  = "iomem",
@@ -798,6 +895,14 @@ static struct fio_option options[] = {
                            .oval = VERIFY_CRC32,
                            .help = "Use crc32 checksums for verification",
                          },
+                         { .ival = "crc32c-intel",
+                           .oval = VERIFY_CRC32C_INTEL,
+                           .help = "Use hw crc32c checksums for verification",
+                         },
+                         { .ival = "crc32c",
+                           .oval = VERIFY_CRC32C,
+                           .help = "Use crc32c checksums for verification",
+                         },
                          { .ival = "crc16",
                            .oval = VERIFY_CRC16,
                            .help = "Use crc16 checksums for verification",
@@ -928,7 +1033,7 @@ static struct fio_option options[] = {
        {
                .name   = "rwmixread",
                .type   = FIO_OPT_INT,
-               .off1   = td_var_offset(rwmix[DDIR_READ]),
+               .cb     = str_rwmix_read_cb,
                .maxval = 100,
                .help   = "Percentage of mixed workload that is reads",
                .def    = "50",
@@ -936,18 +1041,14 @@ static struct fio_option options[] = {
        {
                .name   = "rwmixwrite",
                .type   = FIO_OPT_INT,
-               .off1   = td_var_offset(rwmix[DDIR_WRITE]),
+               .cb     = str_rwmix_write_cb,
                .maxval = 100,
                .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",
+               .type   = FIO_OPT_DEPRECATED,
        },
        {
                .name   = "nice",
@@ -1174,12 +1275,18 @@ static struct fio_option options[] = {
                .off1   = td_var_offset(zero_buffers),
                .help   = "Init IO buffers to all zeroes",
        },
+       {
+               .name   = "refill_buffers",
+               .type   = FIO_OPT_STR_SET,
+               .off1   = td_var_offset(refill_buffers),
+               .help   = "Refill IO buffers on every IO submit",
+       },
 #ifdef FIO_HAVE_DISK_UTIL
        {
                .name   = "disk_util",
                .type   = FIO_OPT_BOOL,
                .off1   = td_var_offset(do_disk_util),
-               .help   = "Log disk utilization stats",
+               .help   = "Log disk utilization statistics",
                .def    = "1",
        },
 #endif
@@ -1201,7 +1308,7 @@ void fio_options_dup_and_init(struct option *long_options)
 
        o = &options[0];
        while (o->name) {
-               long_options[i].name = o->name;
+               long_options[i].name = (char *) o->name;
                long_options[i].val = FIO_GETOPT_JOB;
                if (o->type == FIO_OPT_STR_SET)
                        long_options[i].has_arg = no_argument;
@@ -1214,9 +1321,16 @@ void fio_options_dup_and_init(struct option *long_options)
        }
 }
 
-int fio_option_parse(struct thread_data *td, const char *opt)
+int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
 {
-       return parse_option(opt, options, td);
+       int i, ret;
+
+       sort_options(opts, options, num_opts);
+
+       for (ret = 0, i = 0; i < num_opts; i++)
+               ret |= parse_option(opts[i], options, td);
+
+       return ret;
 }
 
 int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)