Linux: about:memory

base/process_util_linux.cc

 // Copyright (c) 2008 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 "base/process_util.h"
 
 #include <ctype.h>
 #include <dirent.h>
 #include <fcntl.h>
 #include <sys/types.h>
@@ skipping 274 matching lines @@
             have_pss = true;
             pss_kb += StringToInt(tokenizer.token()) + kPssAdjust;
         }
         state = KEY_NAME;
         break;
     }
   }
   ws_usage->priv = private_kb;
   // Sharable is not calculated, as it does not provide interesting data.
   ws_usage->shareable = 0;
-  if (have_pss) {
-   ws_usage->shared = pss_kb - private_kb;
-  } else {
-    ws_usage->shared = shared_kb;
-  }
+
+  ws_usage->shared = 0;
+  if (have_pss)
+    ws_usage->shared = pss_kb;
   return true;
 }
 
 // To have /proc/self/io file you must enable CONFIG_TASK_IO_ACCOUNTING
 // in your kernel configuration.
 bool ProcessMetrics::GetIOCounters(IoCounters* io_counters) const {
   std::string proc_io_contents;
   FilePath io_file("/proc");
   io_file = io_file.Append(IntToString(process_));
   io_file = io_file.Append("io");
@@ skipping 24 matching lines @@
           (*io_counters).WriteTransferCount = StringToInt64(tokenizer.token());
         }
         state = KEY_NAME;
         break;
     }
   }
   return true;
 }
 
 }  // namespace base