[PATCH v2 2/3] Timekeeping: Resolving Route Dependencies

[Martin Schitter <ms+git@mur.at>]

---
 netlink.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/netlink.c b/netlink.c
index 650a6fd..65cc5d7 100644
--- a/netlink.c
+++ b/netlink.c
@@ -18,6 +18,7 @@
 #include <errno.h>
 #include <sys/types.h>
 #include <limits.h>
+#include <time.h>
 #include <unistd.h>
 #include <signal.h>
 #include <stdlib.h>
@@ -604,6 +605,7 @@ int nl_route_dup(int s_src, unsigned int ifi_src,
 	char buf[NLBUFSIZ * 8];
 	uint32_t seq;
 	unsigned i;
+	struct timespec start, now;
 
 	seq = nl_send(s_src, &req, RTM_GETROUTE, NLM_F_DUMP, sizeof(req));
 
@@ -706,6 +708,7 @@ int nl_route_dup(int s_src, unsigned int ifi_src,
 	 * can safely ignore that and repeat the requests. This avoids the need
 	 * to calculate dependencies: let the kernel do that.
 	 */
+	clock_gettime(CLOCK_MONOTONIC, &start);
 	for (i = 0; i < dup_routes; i++) {
 		for (nh = (struct nlmsghdr *)buf, left = nlmsgs_size;
 		     NLMSG_OK(nh, left);
@@ -724,6 +727,9 @@ int nl_route_dup(int s_src, unsigned int ifi_src,
 				return rc;
 		}
 	}
+	clock_gettime(CLOCK_MONOTONIC, &now);
+	debug("route dependency handling time: %f s",
+	    (now.tv_sec - start.tv_sec) + (now.tv_nsec - start.tv_nsec)/1.0e9);
 
 	return 0;
 }
-- 
2.53.0