Add zero_buffers option

[fio.git] / options.c

diff --git a/options.c b/options.c
index 81c864d8bfa3e50e7df7f44287bfec469ddc7260..754eb81fccfe1a14f6949f30d07475ea09acc834 100644 (file)
--- a/options.c
+++ b/options.c
@@ -9,7 +9,7 @@
 #include "fio.h"
 #include "parse.h"
 
-#define td_var_offset(var)     ((size_t) &((struct thread_data *)0)->var)
+#define td_var_offset(var)     ((size_t) &((struct thread_options *)0)->var)
 
 /*
  * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
@@ -27,13 +27,25 @@ static char *get_opt_postfix(const char *str)
        return strdup(p);
 }
 
+static int str_rw_cb(void *data, const char *str)
+{
+       struct thread_data *td = data;
+       char *nr = get_opt_postfix(str);
+
+       td->o.ddir_nr = 1;
+       if (nr)
+               td->o.ddir_nr = atoi(nr);
+
+       return 0;
+}
+
 static int str_mem_cb(void *data, const char *mem)
 {
        struct thread_data *td = data;
 
-       if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) {
+       if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
                td->mmapfile = get_opt_postfix(mem);
-               if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) {
+               if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
                        log_err("fio: mmaphuge:/path/to/file\n");
                        return 1;
                }
@@ -90,7 +102,7 @@ static int str_cpumask_cb(void *data, unsigned int *val)
 {
        struct thread_data *td = data;
 
-       fill_cpu_mask(td->cpumask, *val);
+       fill_cpu_mask(td->o.cpumask, *val);
        return 0;
 }
 
@@ -117,13 +129,13 @@ static int str_filename_cb(void *data, const char *input)
        strip_blank_end(str);
 
        if (!td->files_index)
-               td->nr_files = 0;
+               td->o.nr_files = 0;
 
        while ((fname = strsep(&str, ":")) != NULL) {
                if (!strlen(fname))
                        break;
                add_file(td, fname);
-               td->nr_files++;
+               td->o.nr_files++;
        }
 
        free(p);
@@ -135,13 +147,13 @@ static int str_directory_cb(void *data, const char fio_unused *str)
        struct thread_data *td = data;
        struct stat sb;
 
-       if (lstat(td->directory, &sb) < 0) {
-               log_err("fio: %s is not a directory\n", td->directory);
+       if (lstat(td->o.directory, &sb) < 0) {
+               log_err("fio: %s is not a directory\n", td->o.directory);
                td_verror(td, errno, "lstat");
                return 1;
        }
        if (!S_ISDIR(sb.st_mode)) {
-               log_err("fio: %s is not a directory\n", td->directory);
+               log_err("fio: %s is not a directory\n", td->o.directory);
                return 1;
        }
 
@@ -153,9 +165,9 @@ static int str_opendir_cb(void *data, const char fio_unused *str)
        struct thread_data *td = data;
 
        if (!td->files_index)
-               td->nr_files = 0;
+               td->o.nr_files = 0;
 
-       return add_dir_files(td, td->opendir);
+       return add_dir_files(td, td->o.opendir);
 }
 
 
@@ -203,6 +215,7 @@ static struct fio_option options[] = {
                .name   = "rw",
                .alias  = "readwrite",
                .type   = FIO_OPT_STR,
+               .cb     = str_rw_cb,
                .off1   = td_var_offset(td_ddir),
                .help   = "IO direction",
                .def    = "read",
@@ -233,6 +246,13 @@ static struct fio_option options[] = {
                          },
                },
        },
+       {
+               .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,
@@ -280,6 +300,11 @@ static struct fio_option options[] = {
                          { .ival = "cpuio",
                            .help = "CPU cycler burner engine",
                          },
+#ifdef FIO_HAVE_GUASI
+                         { .ival = "guasi",
+                           .help = "GUASI IO engine",
+                         },
+#endif
                          { .ival = "external",
                            .help = "Load external engine (append name)",
                          },
@@ -307,7 +332,7 @@ static struct fio_option options[] = {
        {
                .name   = "size",
                .type   = FIO_OPT_STR_VAL,
-               .off1   = td_var_offset(total_file_size),
+               .off1   = td_var_offset(size),
                .help   = "Total size of device or files",
        },
        {
@@ -506,8 +531,20 @@ static struct fio_option options[] = {
                            .oval = VERIFY_MD5,
                            .help = "Use md5 checksums for verification",
                          },
+                         {
+                           .ival = "null",
+                           .oval = VERIFY_NULL,
+                           .help = "Pretend to verify",
+                         },
                },
        },
+       {
+               .name   = "verifysort",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(verifysort),
+               .help   = "Sort written verify blocks for read back",
+               .def    = "1",
+       },
        {
                .name   = "write_iolog",
                .type   = FIO_OPT_STR_STORE,
@@ -571,7 +608,7 @@ static struct fio_option options[] = {
        {
                .name   = "rwmixread",
                .type   = FIO_OPT_INT,
-               .off1   = td_var_offset(rwmixread),
+               .off1   = td_var_offset(rwmix[DDIR_READ]),
                .maxval = 100,
                .help   = "Percentage of mixed workload that is reads",
                .def    = "50",
@@ -579,7 +616,7 @@ static struct fio_option options[] = {
        {
                .name   = "rwmixwrite",
                .type   = FIO_OPT_INT,
-               .off1   = td_var_offset(rwmixwrite),
+               .off1   = td_var_offset(rwmix[DDIR_WRITE]),
                .maxval = 100,
                .help   = "Percentage of mixed workload that is writes",
                .def    = "50",
@@ -752,6 +789,12 @@ static struct fio_option options[] = {
                .off1   = td_var_offset(stonewall),
                .help   = "Insert a hard barrier between this job and previous",
        },
+       {
+               .name   = "new_group",
+               .type   = FIO_OPT_STR_SET,
+               .off1   = td_var_offset(new_group),
+               .help   = "Mark the start of a new group (for reporting)",
+       },
        {
                .name   = "thread",
                .type   = FIO_OPT_STR_SET,
@@ -783,6 +826,12 @@ static struct fio_option options[] = {
                .off1   = td_var_offset(group_reporting),
                .help   = "Do reporting on a per-group basis",
        },
+       {
+               .name   = "zero_buffers",
+               .type   = FIO_OPT_STR_SET,
+               .off1   = td_var_offset(zero_buffers),
+               .help   = "Init IO buffers to all zeroes",
+       },
        {
                .name = NULL,
        },
@@ -833,3 +882,41 @@ int fio_show_option_help(const char *opt)
 {
        return show_cmd_help(options, opt);
 }
+
+static void __options_mem(struct thread_data *td, int alloc)
+{
+       struct thread_options *o = &td->o;
+       struct fio_option *opt;
+       char **ptr;
+       int i;
+
+       for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
+               if (opt->type != FIO_OPT_STR_STORE)
+                       continue;
+
+               ptr = (void *) o + opt->off1;
+               if (*ptr) {
+                       if (alloc)
+                               *ptr = strdup(*ptr);
+                       else {
+                               free(*ptr);
+                               *ptr = NULL;
+                       }
+               }
+       }
+}
+
+/*
+ * 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
+}