[coreboot-gerrit] Patch set updated for coreboot: device: Stop and output time in `scan_bus()`

[Paul Menzel (paulepanter@users.sourceforge.net)]

Paul Menzel (paulepanter at users.sourceforge.net) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12103

-gerrit

commit 2c8b8716880f0aff704eb7003a8de31e03fb8cb7
Author: Paul Menzel <paulepanter at users.sourceforge.net>
Date:   Tue Oct 20 10:21:08 2015 +0200

    device: Stop and output time in `scan_bus()`
    
    Output how long it took to scan a bus.
    
    Note, that the function `scan_bus` is called recursively.
    
    Change-Id: I6335e10db783f092ea18d3a1c79f93135bee5826
    Signed-off-by: Paul Menzel <paulepanter at users.sourceforge.net>
---
 src/device/device.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/device/device.c b/src/device/device.c
index cf418eb..7264c74 100644
--- a/src/device/device.c
+++ b/src/device/device.c
@@ -909,6 +909,9 @@ int reset_bus(struct bus *bus)
 static void scan_bus(struct device *busdev)
 {
 	int do_scan_bus;
+	struct stopwatch sw;
+
+	stopwatch_init_msecs_expire(&sw);
 
 	if (!busdev->enabled)
 		return;
@@ -931,6 +934,8 @@ static void scan_bus(struct device *busdev)
 			}
 		}
 	}
+
+	printk(BIOS_DEBUG, "%s: scanning of bus %s took %ld usecs", __func__, dev_path(busdev), stopwatch_duration_usecs(&sw));
 }
 
 void scan_bridges(struct bus *bus)