Show max latency on client's status bar

remoting/client/jni/chromoting_jni_instance.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/client/jni/chromoting_jni_instance.h"
 
 #include <android/log.h>
 #include <stdint.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
+#include "base/format_macros.h"
 #include "base/logging.h"
 #include "jingle/glue/thread_wrapper.h"
 #include "net/socket/client_socket_factory.h"
 #include "remoting/base/chromium_url_request.h"
 #include "remoting/base/service_urls.h"
 #include "remoting/client/audio_player.h"
 #include "remoting/client/client_status_logger.h"
 #include "remoting/client/jni/android_keymap.h"
 #include "remoting/client/jni/chromoting_jni_runtime.h"
 #include "remoting/client/jni/jni_frame_consumer.h"
@@ skipping 453 matching lines @@
 }
 
 void ChromotingJniInstance::LogPerfStats() {
   DCHECK(jni_runtime_->network_task_runner()->BelongsToCurrentThread());
 
   if (!stats_logging_enabled_)
     return;
 
   __android_log_print(
       ANDROID_LOG_INFO, "stats",
-      "Bandwidth:%.0f FrameRate:%.1f Capture:%.1f Encode:%.1f "
-      "Decode:%.1f Render:%.1f Latency:%.0f",
+      "Bandwidth:%.0f FrameRate:%.1f;"
+      " (Avg, Max) Capture:%.1f, %" PRId64 " Encode:%.1f, %" PRId64
+      " Decode:%.1f, %" PRId64 " Render:%.1f, %" PRId64 " RTL:%.0f, %" PRId64,
       perf_tracker_->video_bandwidth(), perf_tracker_->video_frame_rate(),
-      perf_tracker_->video_capture_ms(), perf_tracker_->video_encode_ms(),
-      perf_tracker_->video_decode_ms(), perf_tracker_->video_paint_ms(),
-      perf_tracker_->round_trip_ms());
+      perf_tracker_->video_capture_ms().Average(),
+      perf_tracker_->video_capture_ms().Max(),
+      perf_tracker_->video_encode_ms().Average(),
+      perf_tracker_->video_encode_ms().Max(),
+      perf_tracker_->video_decode_ms().Average(),
+      perf_tracker_->video_decode_ms().Max(),
+      perf_tracker_->video_paint_ms().Average(),
+      perf_tracker_->video_paint_ms().Max(),
+      perf_tracker_->round_trip_ms().Average(),
+      perf_tracker_->round_trip_ms().Max());
 
   client_status_logger_->LogStatistics(perf_tracker_.get());
 
   jni_runtime_->network_task_runner()->PostDelayedTask(
       FROM_HERE, base::Bind(&ChromotingJniInstance::LogPerfStats, this),
       base::TimeDelta::FromMilliseconds(kPerfStatsIntervalMs));
 }
 
 }  // namespace remoting