1 // Copyright 2024 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_PMF_UTILS_H_ 6 #define BASE_ANDROID_PMF_UTILS_H_ 7 8 #include "base/files/file.h" 9 #include "base/gtest_prod_util.h" 10 #include "base/process/process.h" 11 12 namespace base::android { 13 14 class BASE_EXPORT PmfUtils { 15 public: 16 static std::optional<uint64_t> GetPrivateMemoryFootprintForCurrentProcess(); 17 18 private: 19 FRIEND_TEST_ALL_PREFIXES(PmfUtilsTest, CalculatePrivateMemoryFootprint); 20 static std::optional<uint64_t> CalculatePrivateMemoryFootprintForTesting( 21 base::File& statm_file, 22 base::File& status_file); 23 }; 24 25 } // namespace base::android 26 27 #endif // BASE_ANDROID_PMF_UTILS_H_ 28