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-rw-r--r--docs/design/part-qos.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/docs/design/part-qos.txt b/docs/design/part-qos.txt
index 31eabc9696..a1a07f5cdc 100644
--- a/docs/design/part-qos.txt
+++ b/docs/design/part-qos.txt
@@ -57,9 +57,10 @@ travels upstream and contains the following fields:
- jitter, G_TYPE_INT64:
The difference of that timestamp against the current clock time. Negative
values mean the timestamp was on time. Positive values indicate the
- timestamp was late by that amount.
+ timestamp was late by that amount. When buffers are received in time and
+ throttling is not enabled, the QoS type field is set to OVERFLOW.
When throttling, the jitter contains the throttling delay added by the
- application.
+ application and the type is set to THROTTLE.
- proportion, G_TYPE_DOUBLE:
Long term prediction of the ideal rate relative to normal rate to get