sync: improve timeout dumps
Erik Gilling [Tue, 4 Sep 2012 22:29:09 +0000 (15:29 -0700)]
Change-Id: I3b378d63c324c7b5862dd214f380b5e91131cc2a
Signed-off-by: Erik Gilling <konkers@android.com>

drivers/base/sync.c

index 938cc52..1cc3e4e 100644 (file)
@@ -575,6 +575,8 @@ 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));
                sync_dump();
                return -ETIME;
        }
@@ -848,7 +850,8 @@ 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 =