[CRIU] [PATCH] kerndat: Print host info on startup

[Cyrill Gorcunov]

When people report us bug error we prefer
to know which kernel version the criu is
running on. So add this kind of information
into debug output.

| Linux 3.9.11-200.fc18.x86_64 #1 SMP Mon Jul 22 21:04:50 UTC 2013 x86_64

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 kerndat.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/kerndat.c b/kerndat.c
index 89d00fd..79b2dbb 100644
--- a/kerndat.c
+++ b/kerndat.c
@@ -4,6 +4,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/mman.h>
+#include <sys/utsname.h>
 #include <errno.h>
 
 #include "log.h"
@@ -100,10 +101,28 @@ int kerndat_get_dirty_track(void)
 	return 0;
 }
 
+static void kerndat_uname_init(void)
+{
+	struct utsname utsname;
+
+	if (uname(&utsname)) {
+		pr_perror("Can't fetch node information");
+		return;
+	}
+
+	pr_debug("%s %s %s %s\n",
+		 utsname.sysname,
+		 utsname.release,
+		 utsname.version,
+		 utsname.machine);
+}
+
 int kerndat_init(void)
 {
 	int ret;
 
+	kerndat_uname_init();
+
 	ret = kerndat_get_shmemdev();
 	if (!ret)
 		ret = kerndat_get_dirty_track();
-- 
1.8.1.4