Trace I/O operations (SQEs, recvmsg/sendmsg, uring_submit)

2020-06-09 00:52:29 +03:00
parent d56633843f
commit 735b97fe33
10 changed files with 78 additions and 1 deletions
@@ -4,6 +4,8 @@
 #define _LARGEFILE64_SOURCE
 #endif

+#include <stdio.h>
+#include <time.h>
 #include <string.h>
 #include <assert.h>
 #include <liburing.h>
@@ -158,7 +160,13 @@ public:
    }
    inline int submit()
    {
-        return io_uring_submit(&ring);
+        int r = io_uring_submit(&ring);
+        {
+            timespec now;
+            clock_gettime(CLOCK_REALTIME, &now);
+            printf("submit %s %d %ld.%06ld\n", __FILE__, __LINE__, now.tv_sec, now.tv_nsec/1000);
+        }
+        return r;
    }
    inline int wait()
    {