improve comments on benchmark protos

1 files changed, 12 insertions, 2 deletions

diff --git a/test/proto/benchmarks/services.proto b/test/proto/benchmarks/services.proto
index 4c2cbabdf8..ff295ed970 100644
--- a/test/proto/benchmarks/services.proto
+++ b/test/proto/benchmarks/services.proto
@@ -47,9 +47,19 @@ service BenchmarkService {
 }
 
 service WorkerService {
-  // Start server with specified workload
+  // Start server with specified workload.
+  // First request sent specifies the ServerConfig followed by ServerStatus
+  // response. After that, a "Mark" can be sent anytime to request the latest
+  // stats. Closing the stream will initiate shutdown of the test server
+  // and once the shutdown has finished, the OK status is sent to terminate
+  // this RPC.
   rpc RunServer(stream ServerArgs) returns (stream ServerStatus);
 
-  // Start client with specified workload
+  // Start client with specified workload.
+  // First request sent specifies the ClientConfig followed by ClientStatus
+  // response. After that, a "Mark" can be sent anytime to request the latest
+  // stats. Closing the stream will initiate shutdown of the test client
+  // and once the shutdown has finished, the OK status is sent to terminate
+  // this RPC.
   rpc RunClient(stream ClientArgs) returns (stream ClientStatus);
 }