[U-Boot] [PATCH 3/7] Add timing information to printf's for use with bootgraph.pl

[Andrew Murray]

From: Andrew Murray <amurray at mpcdata.com>

This patch adds timings information to printfs.

Signed-off-by: Andrew Murray <amurray at theiet.org>
---
 common/console.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/common/console.c b/common/console.c
index 8c650e0..33de3fa 100644
--- a/common/console.c
+++ b/common/console.c
@@ -370,13 +370,23 @@ int printf(const char *fmt, ...)
 	va_list args;
 	uint i;
 	char printbuffer[CONFIG_SYS_PBSIZE];
+	char *buf = printbuffer;
 
 	va_start(args, fmt);
 
+#if defined(CONFIG_BOOT_TRACE)
+	unsigned long long ticks = get_ticks();
+	int secs = ticks / get_tbclk();
+	int msec = ((ticks * 1000000) / get_tbclk()) - (secs * 1000000);
+
+	i += sprintf(buf, "[%5lu.%06lu] ", secs, msec);
+	buf += i;
+#endif
+
 	/* For this to work, printbuffer must be larger than
 	 * anything we ever want to print.
 	 */
-	i = vsprintf(printbuffer, fmt, args);
+	i += vsprintf(buf, fmt, args);
 	va_end(args);
 
 	/* Print the string */
-- 
1.7.4.1