[Qemu-devel] [PATCH v5 10/10] rocker: timestamp on the debug logs helps correlate with events in the VM

From: sfeldma@gmail.com
To: qemu-devel@nongnu.org, jiri@resnulli.us,
	roopa@cumulusnetworks.com, john.fastabend@gmail.com,
	eblake@redhat.com, pbonzini@redhat.com, stefanha@gmail.com,
	dsahern@gmail.com, jasowang@redhat.com
Subject: [Qemu-devel] [PATCH v5 10/10] rocker: timestamp on the debug logs helps correlate with events in the VM
Date: Thu, 22 Jan 2015 00:03:59 -0800	[thread overview]
Message-ID: <1421913839-22448-11-git-send-email-sfeldma@gmail.com> (raw)
In-Reply-To: <1421913839-22448-1-git-send-email-sfeldma@gmail.com>

From: David Ahern <dsahern@gmail.com>

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
---
 hw/net/rocker/rocker.h |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/hw/net/rocker/rocker.h b/hw/net/rocker/rocker.h
index ef77487..5ae8aff 100644
--- a/hw/net/rocker/rocker.h
+++ b/hw/net/rocker/rocker.h
@@ -25,7 +25,16 @@
 
 #if defined(DEBUG_ROCKER)
 #  define DPRINTF(fmt, ...) \
-    do { fprintf(stderr, "ROCKER: " fmt, ## __VA_ARGS__); } while (0)
+    do {                                                           \
+        struct timeval tv;                                         \
+        char timestr[64];                                          \
+        time_t now;                                                \
+        gettimeofday(&tv, NULL);                                   \
+        now = tv.tv_sec;                                           \
+        strftime(timestr, sizeof(timestr), "%T", localtime(&now)); \
+        fprintf(stderr, "%s.%06ld ", timestr, tv.tv_usec);         \
+        fprintf(stderr, "ROCKER: " fmt, ## __VA_ARGS__);           \
+    } while (0)
 #else
 static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...)
 {
-- 
1.7.10.4
