From: Andy Spencer <andy753421@gmail.com>
Date: Sat, 15 Mar 2014 21:58:11 +0000 (+0000)
Subject: Add heuristics for time printing
X-Git-Url: http://pileus.org/git/?p=~andy%2Fcsm213a-hw;a=commitdiff_plain;h=7a471237f204bb160a09092e9787a294f28d6c8c

Add heuristics for time printing
---

diff --git a/hw2/main_time.c b/hw2/main_time.c
index e022c6a..120054c 100644
--- a/hw2/main_time.c
+++ b/hw2/main_time.c
@@ -91,11 +91,18 @@ void time_ext_sync(uint64_t local, uint64_t world)
 
 void time_printf(const char *label, uint64_t local)
 {
-	uint64_t world = time_to_world(local);
-	sirq_printf("%s -- %d.%09u -> %d.%09u\r\n",
-			label,
-			(int)(local / NSEC_PER_SEC),
-			(int)(local % NSEC_PER_SEC),
-			(int)(world / NSEC_PER_SEC),
-			(int)(world % NSEC_PER_SEC));
+	if (local > 1000000 * NSEC_PER_SEC) {
+		sirq_printf("%s -- %14s -> %d.%09u\r\n",
+				label, "",
+				(int)(local / NSEC_PER_SEC),
+				(int)(local % NSEC_PER_SEC));
+	} else {
+		uint64_t world = time_to_world(local);
+		sirq_printf("%s -- %4d.%09u -> %d.%09u\r\n",
+				label,
+				(int)(local / NSEC_PER_SEC),
+				(int)(local % NSEC_PER_SEC),
+				(int)(world / NSEC_PER_SEC),
+				(int)(world % NSEC_PER_SEC));
+	}
 }