Show max latency on client's status bar

remoting/base/running_samples.h

Index: remoting/base/running_samples.h
diff --git a/remoting/base/running_average.h b/remoting/base/running_samples.h
similarity index 74%
rename from remoting/base/running_average.h
rename to remoting/base/running_samples.h
index e41234e5957cbb2265e3e6d45d6f62c08b254dbf..0b84091874c41fb8ad2be8c727d71ab478137b19 100644
--- a/remoting/base/running_average.h
+++ b/remoting/base/running_samples.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef REMOTING_BASE_RUNNING_AVERAGE_H_
-#define REMOTING_BASE_RUNNING_AVERAGE_H_
+#ifndef REMOTING_BASE_RUNNING_SAMPLES_H_
+#define REMOTING_BASE_RUNNING_SAMPLES_H_
 
 #include <stddef.h>
 #include <stdint.h>
@@ -18,11 +18,11 @@ namespace remoting {
 // Calculates the average of the most recent N recorded samples.

[Sergey Ulanov, 2016/03/18 19:42:06]

update this comment

[Yuwei, 2016/03/18 20:05:59]

Acknowledged.

 // This is typically used to smooth out random variation in point samples
 // over bandwidth, frame rate, etc.
-class RunningAverage {
+class RunningSamples {
  public:
   // Constructs a helper to average over the |window_size| most recent samples.
-  explicit RunningAverage(int window_size);
-  virtual ~RunningAverage();
+  explicit RunningSamples(int window_size);
+  virtual ~RunningSamples();
 
   // Records a point sample.
   void Record(int64_t value);
@@ -30,6 +30,10 @@ class RunningAverage {
   // Returns the average over up to |window_size| of the most recent samples.
   double Average();

[Sergey Ulanov, 2016/03/18 19:42:06]

mark this const.

[Yuwei, 2016/03/18 20:05:59]

Acknowledged.

 
+  // Returns the max over up to |window_size| of the most recent samples.
+  // 0 if no sample available
+  int64_t Max();

[Sergey Ulanov, 2016/03/18 19:42:06]

const

[Yuwei, 2016/03/18 20:05:59]

Acknowledged.

+
  private:
   // Stores the desired window size, as size_t to avoid casting when comparing
   // with the size of |data_points_|.
@@ -43,9 +47,9 @@ class RunningAverage {
 
   base::ThreadChecker thread_checker_;
 
-  DISALLOW_COPY_AND_ASSIGN(RunningAverage);
+  DISALLOW_COPY_AND_ASSIGN(RunningSamples);
 };
 
 }  // namespace remoting
 
-#endif  // REMOTING_BASE_RUNNING_AVERAGE_H_
+#endif  // REMOTING_BASE_RUNNING_SAMPLES_H_