Add ktime timestamps to sync_pt structure and
update them when signaled
Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Erik Gilling <konkers@android.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rob Clark <robclark@gmail.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: dri-devel@lists.freedesktop.org
Cc: Android Kernel Team <kernel-team@android.com>
Signed-off-by: Erik Gilling <konkers@android.com>
[jstultz: Added commit message]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
/* call with pt->parent->active_list_lock held */
static int _sync_pt_has_signaled(struct sync_pt *pt)
{
+ int old_status = pt->status;
+
if (!pt->status)
pt->status = pt->parent->ops->has_signaled(pt);
if (!pt->status && pt->parent->destroyed)
pt->status = -ENOENT;
+ if (pt->status != old_status)
+ pt->timestamp = ktime_get();
+
return pt->status;
}
#include <linux/types.h>
#ifdef __KERNEL__
+#include <linux/ktime.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
* @fence: sync_fence to which the sync_pt belongs
* @pt_list: membership in sync_fence.pt_list_head
* @status: 1: signaled, 0:active, <0: error
+ * @timestamp: time which sync_pt status transitioned from active to
+ * singaled or error.
*/
struct sync_pt {
struct sync_timeline *parent;
/* protected by parent->active_list_lock */
int status;
+
+ ktime_t timestamp;
};
/**