Add support for idletime profiling

[fio.git] / init.c

diff --git a/init.c b/init.c
index fca74fe22bd1101f03813e19f937609ab7d1e07e..f0ad01936a33bf136dc1bc7f7b54d4d9a4657626 100644 (file)
--- a/init.c
+++ b/init.c
@@ -22,6 +22,7 @@
 #include "verify.h"
 #include "profile.h"
 #include "server.h"
+#include "idletime.h"
 
 #include "lib/getopt.h"
 
@@ -212,6 +213,11 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
                .has_arg        = no_argument,
                .val            = 'T',
        },
+       {
+               .name           = (char *) "idle-prof",
+               .has_arg        = required_argument,
+               .val            = 'I',
+       },
        {
                .name           = NULL,
        },
@@ -1290,6 +1296,9 @@ static void usage(const char *name)
        printf("  --server=args\t\tStart a backend fio server\n");
        printf("  --daemonize=pidfile\tBackground fio server, write pid to file\n");
        printf("  --client=hostname\tTalk to remote backend fio server at hostname\n");
+       printf("  --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
+               "\t\t\t(option=system,percpu) or run unit work\n"
+               "\t\t\tcalibration only (option=calibrate)\n");
        printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
        printf("\n                   Jens Axboe <jaxboe@fusionio.com>\n");
 }
@@ -1611,6 +1620,14 @@ int parse_cmd_line(int argc, char *argv[])
                case 'D':
                        pid_file = strdup(optarg);
                        break;
+               case 'I':
+                       if ((ret = fio_idle_prof_parse_opt(optarg))) {
+                               /* exit on error and calibration only */
+                               do_exit++;
+                               if (ret == -1) 
+                                       exit_val = 1;
+                       }
+                       break;
                case 'C':
                        if (is_backend) {
                                log_err("fio: can't be both client and server\n");