Optimize deletion timestamp lookup by replacing sorting logic with linear scan to improve performance. Add profiling support with cmd/benchmark/profile.sh, introduce network load testing in benchmarks, and update benchmark reports with additional latency metrics (P90, bottom 10%).

pkg/protocol/ws/client.go

@@ -359,7 +359,7 @@ func (r *Client) ConnectWithTLS(
 						okCallback(env.OK, env.ReasonString())
 					} else {
 						log.I.F(
-							"{%s} got an unexpected OK message for event %s",
+							"{%s} got an unexpected OK message for event %0x",
 							r.URL,
 							env.EventID,
 						)