CrOS - Memory debug widget shows anonymous memory and renderer kills.

base/process_util.h

 // Copyright (c) 2011 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.
 
 // This file/namespace contains utility functions for enumerating, ending and
 // computing statistics of processes.
 
 #ifndef BASE_PROCESS_UTIL_H_
 #define BASE_PROCESS_UTIL_H_
 #pragma once
@@ skipping 639 matching lines @@
   PortProvider* port_provider_;
 #elif defined(OS_POSIX)
   // Jiffie count at the last_time_ we updated.
   int last_cpu_;
 #endif  // defined(OS_MACOSX)
 
   DISALLOW_COPY_AND_ASSIGN(ProcessMetrics);
 };
 
 #if defined(OS_LINUX)
+// Data from /proc/meminfo about system-wide memory consumption.
+// Values are in KB.
+struct SystemMemoryInfoKB {
+  SystemMemoryInfoKB() : total(0), free(0), buffers(0), cached(0),
+      active_anon(0), inactive_anon(0), shmem(0) {}
+  int total;
+  int free;
+  int buffers;
+  int cached;
+  int active_anon;
+  int inactive_anon;
+  int shmem;
+};
 // Retrieves data from /proc/meminfo about system-wide memory consumption.
-// Values are in KB. Returns true on success.
-BASE_EXPORT bool GetSystemMemoryInfo(int* total_kb, int* free_kb,
-                                     int* buffers_kb, int* cache_kb,
-                                     int* shmem_kb);
+// Fills in the provided |meminfo| structure. Returns true on success.
+// Exposed for memory debugging widget.
+BASE_EXPORT bool GetSystemMemoryInfo(SystemMemoryInfoKB* meminfo);
 #endif
 
 // Returns the memory committed by the system in KBytes.
 // Returns 0 if it can't compute the commit charge.
 BASE_EXPORT size_t GetSystemCommitCharge();
 
 // Enables low fragmentation heap (LFH) for every heaps of this process. This
 // won't have any effect on heaps created after this function call. It will not
 // modify data allocated in the heaps before calling this function. So it is
 // better to call this function early in initialization and again before
@@ skipping 31 matching lines @@
 // instance running inside the parent.  The parent's Breakpad instance should
 // not handle the child's exceptions.  Calling RestoreDefaultExceptionHandler
 // in the child after forking will restore the standard exception handler.
 // See http://crbug.com/20371/ for more details.
 void RestoreDefaultExceptionHandler();
 #endif  // defined(OS_MACOSX)
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_UTIL_H_