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 BASE_TRACE_EVENT_PROCESS_MEMORY_TOTALS_DUMP_PROVIDER_H_ 6 #define BASE_TRACE_EVENT_PROCESS_MEMORY_TOTALS_DUMP_PROVIDER_H_ 7 8 #include <stdint.h> 9 10 #include "base/gtest_prod_util.h" 11 #include "base/macros.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "base/memory/singleton.h" 14 #include "base/trace_event/memory_dump_provider.h" 15 16 namespace base { 17 18 class ProcessMetrics; 19 20 namespace trace_event { 21 22 // Dump provider which collects process-wide memory stats. 23 class BASE_EXPORT ProcessMemoryTotalsDumpProvider : public MemoryDumpProvider { 24 public: 25 static ProcessMemoryTotalsDumpProvider* GetInstance(); 26 27 // MemoryDumpProvider implementation. 28 bool OnMemoryDump(const MemoryDumpArgs& args, 29 ProcessMemoryDump* pmd) override; 30 31 private: 32 friend struct DefaultSingletonTraits<ProcessMemoryTotalsDumpProvider>; 33 FRIEND_TEST_ALL_PREFIXES(ProcessMemoryTotalsDumpProviderTest, DumpRSS); 34 35 static uint64_t rss_bytes_for_testing; 36 37 ProcessMemoryTotalsDumpProvider(); 38 ~ProcessMemoryTotalsDumpProvider() override; 39 40 scoped_ptr<ProcessMetrics> process_metrics_; 41 42 DISALLOW_COPY_AND_ASSIGN(ProcessMemoryTotalsDumpProvider); 43 }; 44 45 } // namespace trace_event 46 } // namespace base 47 48 #endif // BASE_TRACE_EVENT_PROCESS_MEMORY_TOTALS_DUMP_PROVIDER_H_ 49