Fio 1.57

[fio.git] / init.c

diff --git a/init.c b/init.c
index d5813c60b22d39615bffed9333556918a5bedb65..85bd0f73d7bcc86da11ae049dec0698ca8742bac 100644 (file)
--- a/init.c
+++ b/init.c
@@ -22,12 +22,12 @@
 
 #include "lib/getopt.h"
 
-static char fio_version_string[] = "fio 1.55";
+static char fio_version_string[] = "fio 1.57";
 
 #define FIO_RANDSEED           (0xb1899bedUL)
 
 static char **ini_file;
-static int max_jobs = MAX_JOBS;
+static int max_jobs = FIO_MAX_JOBS;
 static int dump_cmdline;
 
 static struct thread_data def_thread;
@@ -143,6 +143,11 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
                .has_arg        = no_argument,
                .val            = 'w',
        },
+       {
+               .name           = (char *) "max-jobs",
+               .has_arg        = required_argument,
+               .val            = 'j',
+       },
        {
                .name           = NULL,
        },
@@ -771,7 +776,7 @@ static int is_empty_or_comment(char *line)
                        return 1;
                if (line[i] == '#')
                        return 1;
-               if (!isspace(line[i]) && !iscntrl(line[i]))
+               if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
                        return 0;
        }
 
@@ -1039,6 +1044,7 @@ static void usage(const char *name)
        printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
                " (def 1024)\n");
        printf("\t--warnings-fatal Fio parser warnings are fatal\n");
+       printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
        printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
        printf("\n                   Jens Axboe <jaxboe@fusionio.com>\n");
 }
@@ -1247,6 +1253,14 @@ static int parse_cmd_line(int argc, char *argv[])
                case 'w':
                        warnings_fatal = 1;
                        break;
+               case 'j':
+                       max_jobs = atoi(optarg);
+                       if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
+                               log_err("fio: invalid max jobs: %d\n", max_jobs);
+                               do_exit++;
+                               exit_val = 1;
+                       }
+                       break;
                default:
                        do_exit++;
                        exit_val = 1;