Add --cpuclock-test and clocksource= option help
[fio.git] / init.c
diff --git a/init.c b/init.c
index 70217418ce5f75df75bc88a0cec2d7223a5d7183..e7b3303e6179673703697e71063a9f63d29badcc 100644 (file)
--- a/init.c
+++ b/init.c
@@ -9,7 +9,9 @@
 #include <string.h>
 #include <errno.h>
 #include <sys/ipc.h>
+#ifndef FIO_NO_HAVE_SHM_H
 #include <sys/shm.h>
+#endif
 #include <sys/types.h>
 #include <sys/stat.h>
 
@@ -205,6 +207,11 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
                .has_arg        = required_argument,
                .val            = 'C',
        },
+       {
+               .name           = (char *) "cpuclock-test",
+               .has_arg        = no_argument,
+               .val            = 'T',
+       },
        {
                .name           = NULL,
        },
@@ -658,44 +665,44 @@ static int exists_and_not_file(const char *filename)
 
 static void td_fill_rand_seeds_os(struct thread_data *td)
 {
-       os_random_seed(td->rand_seeds[0], &td->bsrange_state);
-       os_random_seed(td->rand_seeds[1], &td->verify_state);
-       os_random_seed(td->rand_seeds[2], &td->rwmix_state);
+       os_random_seed(td->rand_seeds[FIO_RAND_BS_OFF], &td->bsrange_state);
+       os_random_seed(td->rand_seeds[FIO_RAND_VER_OFF], &td->verify_state);
+       os_random_seed(td->rand_seeds[FIO_RAND_MIX_OFF], &td->rwmix_state);
 
        if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
-               os_random_seed(td->rand_seeds[3], &td->next_file_state);
+               os_random_seed(td->rand_seeds[FIO_RAND_FILE_OFF], &td->next_file_state);
 
-       os_random_seed(td->rand_seeds[5], &td->file_size_state);
-       os_random_seed(td->rand_seeds[6], &td->trim_state);
+       os_random_seed(td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], &td->file_size_state);
+       os_random_seed(td->rand_seeds[FIO_RAND_TRIM_OFF], &td->trim_state);
 
        if (!td_random(td))
                return;
 
        if (td->o.rand_repeatable)
-               td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
+               td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
 
-       os_random_seed(td->rand_seeds[4], &td->random_state);
+       os_random_seed(td->rand_seeds[FIO_RAND_BLOCK_OFF], &td->random_state);
 }
 
 static void td_fill_rand_seeds_internal(struct thread_data *td)
 {
-       init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
-       init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
-       init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
+       init_rand_seed(&td->__bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
+       init_rand_seed(&td->__verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
+       init_rand_seed(&td->__rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
 
        if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
-               init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
+               init_rand_seed(&td->__next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
 
-       init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
-       init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
+       init_rand_seed(&td->__file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
+       init_rand_seed(&td->__trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
 
        if (!td_random(td))
                return;
 
        if (td->o.rand_repeatable)
-               td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
+               td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
 
-       init_rand_seed(&td->__random_state, td->rand_seeds[4]);
+       init_rand_seed(&td->__random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
 }
 
 void td_fill_rand_seeds(struct thread_data *td)
@@ -705,7 +712,7 @@ void td_fill_rand_seeds(struct thread_data *td)
        else
                td_fill_rand_seeds_internal(td);
 
-       init_rand_seed(&td->buf_state, td->rand_seeds[7]);
+       init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
 }
 
 
@@ -765,6 +772,24 @@ int ioengine_load(struct thread_data *td)
        return 0;
 }
 
+static void init_flags(struct thread_data *td)
+{
+       struct thread_options *o = &td->o;
+
+       if (o->verify_backlog)
+               td->flags |= TD_F_VER_BACKLOG;
+       if (o->trim_backlog)
+               td->flags |= TD_F_TRIM_BACKLOG;
+       if (o->read_iolog_file)
+               td->flags |= TD_F_READ_IOLOG;
+       if (o->refill_buffers)
+               td->flags |= TD_F_REFILL_BUFFERS;
+       if (o->scramble_buffers)
+               td->flags |= TD_F_SCRAMBLE_BUFFERS;
+       if (o->verify != VERIFY_NONE)
+               td->flags |= TD_F_VER_NONE;
+}
+
 /*
  * Adds a job to the list of things todo. Sanitizes the various options
  * to make sure we don't have conflicts, and initializes various
@@ -785,6 +810,8 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
        if (td == &def_thread)
                return 0;
 
+       init_flags(td);
+
        /*
         * if we are just dumping the output command line, don't add the job
         */
@@ -1233,6 +1260,7 @@ static void usage(const char *name)
        printf("  --terse-version=x\tSet terse version output format to 'x'\n");
        printf("  --version\t\tPrint version info and exit\n");
        printf("  --help\t\tPrint this page\n");
+       printf("  --cpuclock-test\tPerform test/validation of CPU clock\n");
        printf("  --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
                " them\n");
        printf("  --enghelp=engine\tPrint ioengine help, or list"
@@ -1253,7 +1281,7 @@ static void usage(const char *name)
        printf("  --daemonize=pidfile\tBackground fio server, write pid to file\n");
        printf("  --client=hostname\tTalk to remote backend fio server at hostname\n");
        printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
-       printf("\n                 Jens Axboe <jaxboe@fusionio.com>\n");
+       printf("\n                   Jens Axboe <jaxboe@fusionio.com>\n");
 }
 
 #ifdef FIO_INC_DEBUG
@@ -1599,6 +1627,10 @@ int parse_cmd_line(int argc, char *argv[])
                                optind++;
                        }
                        break;
+               case 'T':
+                       do_exit++;
+                       exit_val = fio_monotonic_clocktest();
+                       break;
                default:
                        do_exit++;
                        exit_val = 1;