chrome/browser/memory/oom_memory_details.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_MEMORY_OOM_MEMORY_DETAILS_H_
   6 #define CHROME_BROWSER_MEMORY_OOM_MEMORY_DETAILS_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/macros.h"
  12 #include "base/time/time.h"
  13 #include "chrome/browser/memory_details.h"
  14
  15 namespace memory {
  16
  17 ////////////////////////////////////////////////////////////////////////////////
  18 // OomMemoryDetails logs details about all Chrome processes during an out-of-
  19 // memory event in an attempt to identify the culprit.
  20 class OomMemoryDetails : public MemoryDetails {
  21  public:
  22   // Logs the memory details asynchronously and then run |callback|.
  23   // The |title| is printed at the beginning of the message.
  24   static void Log(const std::string& title, const base::Closure& callback);
  25
  26  private:
  27   OomMemoryDetails(const std::string& title, const base::Closure& callback);
  28   ~OomMemoryDetails() override;
  29
  30   // MemoryDetails overrides:
  31   void OnDetailsAvailable() override;
  32
  33   std::string title_;
  34   base::TimeTicks start_time_;
  35   base::Closure callback_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(OomMemoryDetails);
  38 };
  39
  40 }  // namespace memory
  41
  42 #endif  // CHROME_BROWSER_MEMORY_OOM_MEMORY_DETAILS_H_