doc/user/timestamps: document which clock is used

Document that all timestamps are given in the CLOCK_MONOTONIC
domain.

Signed-off-by: Simon Ser <contact@emersion.fr>

diff --git a/doc/user/timestamps.rst b/doc/user/timestamps.rst
index 4c450073c7cd47bc345fba4be2f83d9c6b9c2a50..596beb83928d5ed2d90d5780e1c6f91b3e04101c 100644 (file)
--- a/doc/user/timestamps.rst
+++ b/doc/user/timestamps.rst
@@ -42,3 +42,5 @@ Once the timeout expires at t4, libinput generates an event of
 
 Thus, the caller gets events with timestamps in the order t3, t1, t2,
 despite t3 > t2 > t1.
+
+libinput timestamps use **CLOCK_MONOTONIC**.