[PATCH 7/7] present: Change debug output a bit to help diagnose missing vblank signals

Keith Packard keithp at keithp.com
Thu Nov 7 12:16:00 PST 2013


Signed-off-by: Keith Packard <keithp at keithp.com>
---
 present/present.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/present/present.c b/present/present.c
index fab105d..228d43a 100644
--- a/present/present.c
+++ b/present/present.c
@@ -374,6 +374,7 @@ present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc)
     present_vblank_ptr  vblank, tmp;
     int                 s;
 
+    DebugPresent(("\te %lld ust %lld msc %lld\n", event_id, ust, msc));
     xorg_list_for_each_entry_safe(vblank, tmp, &present_exec_queue, event_queue) {
         if (vblank->event_id == event_id) {
             xorg_list_del(&vblank->event_queue);
@@ -658,8 +659,10 @@ present_pixmap(WindowPtr window,
     }
 
     if (pixmap)
-        DebugPresent(("q %p %8lld: %08lx -> %08lx (crtc %d)\n",
-                      vblank, target_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id, target_crtc ? 1 : 0));
+        DebugPresent(("q %lld %p %8lld: %08lx -> %08lx (crtc %p)\n",
+                      vblank->event_id, vblank, target_msc,
+                      vblank->pixmap->drawable.id, vblank->window->drawable.id,
+                      target_crtc));
 
     xorg_list_add(&vblank->event_queue, &present_exec_queue);
     if (target_msc >= crtc_msc) {
-- 
1.8.4.2



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