42 lines
1.3 KiB
Protocol Buffer
42 lines
1.3 KiB
Protocol Buffer
// Proto messages related to latency measurement for Soapbox.
|
|
syntax = "proto2";
|
|
|
|
// TODO: Switch to package mediapipe.
|
|
package mediapipe;
|
|
|
|
// Contains the latency information for a packet stream in mediapipe. The
|
|
// following are provided
|
|
// 1. current latency
|
|
// 2. running average
|
|
// 3. histogram of latencies observed
|
|
// 4. cumulative sum of latencies observed
|
|
// NextId: 13
|
|
message PacketLatency {
|
|
// Reserved tags.
|
|
reserved 1, 3 to 6;
|
|
|
|
// Current latency (delay in microseconds wrt a reference packet).
|
|
optional int64 current_latency_usec = 8;
|
|
|
|
// The latency histogram which stores the count recorded for each specified
|
|
// interval.
|
|
repeated int64 counts = 9;
|
|
|
|
// Number of intervals for the latency histogram output.
|
|
optional int64 num_intervals = 10 [default = 10];
|
|
|
|
// Size of the histogram intervals (in microseconds). The first interval is
|
|
// [0, interval_size_usec). The last interval extends to +inf.
|
|
optional int64 interval_size_usec = 11 [default = 10000];
|
|
|
|
// Running average of latencies observed so far.
|
|
optional int64 avg_latency_usec = 2;
|
|
|
|
// An identifier label for the packet.
|
|
optional string label = 7;
|
|
|
|
// Cumulative sum of individual packet latencies of all the packets output so
|
|
// far.
|
|
optional int64 sum_latency_usec = 12;
|
|
}
|