[PATCH 2/3] ringtest: support test specific parameters

[Michael S. Tsirkin]

Add a new flag for passing test-specific parameters.

Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
 tools/virtio/ringtest/main.c | 13 +++++++++++++
 tools/virtio/ringtest/main.h |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/tools/virtio/ringtest/main.c b/tools/virtio/ringtest/main.c
index f31353f..022ae95 100644
--- a/tools/virtio/ringtest/main.c
+++ b/tools/virtio/ringtest/main.c
@@ -20,6 +20,7 @@
 int runcycles = 10000000;
 int max_outstanding = INT_MAX;
 int batch = 1;
+int param = 0;
 
 bool do_sleep = false;
 bool do_relax = false;
@@ -247,6 +248,11 @@ static const struct option longopts[] = {
                .val = 'b',
        },
        {
+               .name = "param",
+               .has_arg = required_argument,
+               .val = 'p',
+       },
+       {
                .name = "sleep",
                .has_arg = no_argument,
                .val = 's',
@@ -274,6 +280,7 @@ static void help(void)
                " [--run-cycles C (default: %d)]"
                " [--batch b]"
                " [--outstanding o]"
+               " [--param p]"
                " [--sleep]"
                " [--relax]"
                " [--exit]"
@@ -328,6 +335,12 @@ int main(int argc, char **argv)
                        assert(c > 0 && c < INT_MAX);
                        max_outstanding = c;
                        break;
+               case 'p':
+                       c = strtol(optarg, &endptr, 0);
+                       assert(!*endptr);
+                       assert(c > 0 && c < INT_MAX);
+                       param = c;
+                       break;
                case 'b':
                        c = strtol(optarg, &endptr, 0);
                        assert(!*endptr);
diff --git a/tools/virtio/ringtest/main.h b/tools/virtio/ringtest/main.h
index 14142fa..90b0133 100644
--- a/tools/virtio/ringtest/main.h
+++ b/tools/virtio/ringtest/main.h
@@ -10,6 +10,8 @@
 
 #include <stdbool.h>
 
+extern int param;
+
 extern bool do_exit;
 
 #if defined(__x86_64__) || defined(__i386__)
-- 
MST