Add support for testing checksumming speed
fio --crctest will test all of them, --crctest=md5,crc32c will
test md5 and crc32c, for example.
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/init.c b/init.c
index 6c48d3a..b26dc9f 100644
--- a/init.c
+++ b/init.c
@@ -208,6 +208,11 @@
.val = 'T',
},
{
+ .name = (char *) "crctest",
+ .has_arg = optional_argument,
+ .val = 'G',
+ },
+ {
.name = (char *) "idle-prof",
.has_arg = required_argument,
.val = 'I',
@@ -1405,6 +1410,7 @@
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(" --crctest\t\tTest speed of checksum functions\n");
printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
" them\n");
printf(" --enghelp=engine\tPrint ioengine help, or list"
@@ -1604,6 +1610,8 @@
fio_client_add_cmd_option(client, opt);
}
+extern int fio_crctest(const char *);
+
int parse_cmd_line(int argc, char *argv[], int client_type)
{
struct thread_data *td = NULL;
@@ -1868,6 +1876,10 @@
do_exit++;
exit_val = fio_monotonic_clocktest();
break;
+ case 'G':
+ do_exit++;
+ exit_val = fio_crctest(optarg);
+ break;
case 'L': {
long long val;