[PATCH 20/30] staging: sync: Improve timeout dump messages

From: John Stultz
Date: Thu Feb 28 2013 - 19:47:36 EST

From: Erik Gilling <konkers@xxxxxxxxxxx>

Improve the output of the timeout dumps, including
the fence pointer.

Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
Cc: Erik Gilling <konkers@xxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Rob Clark <robclark@xxxxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: Android Kernel Team <kernel-team@xxxxxxxxxxx>
Signed-off-by: Erik Gilling <konkers@xxxxxxxxxxx>
[jstultz: Added commit message]
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
drivers/staging/android/sync.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index d54fa8d..92cdfe8 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -576,6 +576,8 @@ int sync_fence_wait(struct sync_fence *fence, long timeout)
return fence->status;

if (fence->status == 0) {
+ pr_info("fence timeout on [%p] after %dms\n", fence,
+ jiffies_to_msecs(timeout));
return -ETIME;
@@ -849,7 +851,8 @@ static void sync_print_fence(struct seq_file *s, struct sync_fence *fence)
struct list_head *pos;
unsigned long flags;

- seq_printf(s, "%s: %s\n", fence->name, sync_status_str(fence->status));
+ seq_printf(s, "[%p] %s: %s\n", fence, fence->name,
+ sync_status_str(fence->status));

list_for_each(pos, &fence->pt_list_head) {
struct sync_pt *pt =

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