plumb network upload into the task manager

chrome/browser/task_manager/sampling/task_group.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_TASK_MANAGER_SAMPLING_TASK_GROUP_H_
 #define CHROME_BROWSER_TASK_MANAGER_SAMPLING_TASK_GROUP_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 62 matching lines @@
   base::TimeDelta cpu_time() const { return cpu_time_; }
   int64_t private_bytes() const { return memory_usage_.private_bytes; }
   int64_t shared_bytes() const { return memory_usage_.shared_bytes; }
   int64_t physical_bytes() const { return memory_usage_.physical_bytes; }
 #if defined(OS_CHROMEOS)
   int64_t swapped_bytes() const { return memory_usage_.swapped_bytes; }
 #endif
   int64_t gpu_memory() const { return gpu_memory_; }
   bool gpu_memory_has_duplicates() const { return gpu_memory_has_duplicates_; }
   base::MemoryState memory_state() const { return memory_state_; }
-  int64_t per_process_network_usage() const {
-    return per_process_network_usage_;
+  int64_t per_process_network_usage_rate() const {
+    return per_process_network_usage_rate_;
+  }
+  int64_t cumulative_per_process_network_usage() const {
+    return cumulative_per_process_network_usage_;
   }
   bool is_backgrounded() const { return is_backgrounded_; }
 
 #if defined(OS_WIN)
   int64_t gdi_current_handles() const { return gdi_current_handles_; }
   int64_t gdi_peak_handles() const { return gdi_peak_handles_; }
   int64_t user_current_handles() const { return user_current_handles_; }
   int64_t user_peak_handles() const { return user_peak_handles_; }
 #endif  // defined(OS_WIN)
 
@@ skipping 60 matching lines @@
 
   // The per process resources usages.
   double cpu_usage_;
   base::Time start_time_;     // Only calculated On Windows now.
   base::TimeDelta cpu_time_;  // Only calculated On Windows now.
   MemoryUsageStats memory_usage_;
   int64_t gpu_memory_;
   base::MemoryState memory_state_;
   // The network usage in bytes per second as the sum of all network usages of
   // the individual tasks sharing the same process.
-  int64_t per_process_network_usage_;
+  int64_t per_process_network_usage_rate_;
+
+  // The  total(sum) network usage in bytes as the sum of all network usages of

[ncarter (slow), 2017/06/16 22:28:30]

"A continuously updating sum of all bytes that have been downloaded and uploaded
by all tasks in this process."

(to be consistent with the language you used in task.h)

[cburn, 2017/06/19 22:07:08]

Done.

+  // individual tasks sharing the same process.
+  int64_t cumulative_per_process_network_usage_;
+
 #if defined(OS_WIN)
   // Windows GDI and USER Handles.
   int64_t gdi_current_handles_;
   int64_t gdi_peak_handles_;
   int64_t user_current_handles_;
   int64_t user_peak_handles_;
 #endif  // defined(OS_WIN)
 #if !defined(DISABLE_NACL)
   int nacl_debug_stub_port_;
 #endif  // !defined(DISABLE_NACL)
   int idle_wakeups_per_second_;
 #if defined(OS_LINUX)
   // The number of file descriptors currently open by the process.
   int open_fd_count_;
 #endif  // defined(OS_LINUX)
   bool gpu_memory_has_duplicates_;
   bool is_backgrounded_;
 
   // Always keep this the last member of this class so that it's the first to be
   // destroyed.
   base::WeakPtrFactory<TaskGroup> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskGroup);
 };
 
 }  // namespace task_manager
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_SAMPLING_TASK_GROUP_H_