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| author | Paul Menzel <paulepanter@users.sourceforge.net> | 2015-10-20 10:21:08 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-10-27 17:14:11 +0100 |
| commit | 662380f157dafdb10015bdcc60bc4e42775c5b7e (patch) | |
| tree | e5e63dc78c43b6661e58b051c41a2e5f7733dde7 | |
| parent | 990ae7069867085cf42e93cc4d0df26a84c7866f (diff) | |
| download | coreboot-662380f157dafdb10015bdcc60bc4e42775c5b7e.tar.gz coreboot-662380f157dafdb10015bdcc60bc4e42775c5b7e.tar.bz2 coreboot-662380f157dafdb10015bdcc60bc4e42775c5b7e.zip | |
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@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/12103
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
| -rw-r--r-- | src/device/device.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/device/device.c b/src/device/device.c index cf418eb4d19a..55a5dfd9acb8 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(&sw); if (!busdev->enabled) return; @@ -931,6 +934,9 @@ static void scan_bus(struct device *busdev) } } } + + printk(BIOS_DEBUG, "%s: scanning of bus %s took %ld usecs\n", + __func__, dev_path(busdev), stopwatch_duration_usecs(&sw)); } void scan_bridges(struct bus *bus) |