1 // Copyright 2023 The Chromium Authors 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_ANDROID_MEMINFO_DUMP_PROVIDER_H_ 6 #define BASE_ANDROID_MEMINFO_DUMP_PROVIDER_H_ 7 8 #include "base/base_export.h" 9 #include "base/no_destructor.h" 10 #include "base/time/time.h" 11 #include "base/trace_event/base_tracing.h" 12 13 namespace base::android { 14 15 class BASE_EXPORT MeminfoDumpProvider 16 : public base::trace_event::MemoryDumpProvider { 17 public: 18 // Returns the instance for testing. 19 static MeminfoDumpProvider& Initialize(); 20 bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, 21 base::trace_event::ProcessMemoryDump* pmd) override; 22 23 static constexpr char kDumpProviderName[] = "android_meminfo"; 24 static constexpr char kDumpName[] = "meminfo"; 25 static constexpr char kIsStaleName[] = "is_stale"; 26 static constexpr char kPssMetricName[] = "other_pss"; 27 static constexpr char kPrivateDirtyMetricName[] = "other_private_dirty"; 28 29 private: 30 friend class base::NoDestructor<MeminfoDumpProvider>; 31 MeminfoDumpProvider(); 32 33 base::TimeTicks last_collection_time_; 34 }; 35 36 } // namespace base::android 37 38 #endif // BASE_ANDROID_MEMINFO_DUMP_PROVIDER_H_ 39