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                                            张峰

统计设备总内存使用率的时候为什么不用top而选择dumpsys meminfo

[https://cs.android.com/android/platform/superproject/+/master:frameworks/base/core/java/android/os/PerformanceCollector.java#endPerformanceSnapshot:](https://cs.android.com/android/platform/superproject/+/master:frameworks/base/core/java/android/os/PerformanceCollector.java;bpv=1;bpt=1;l=487?gsn=endPerformanceSnapshot&gs=kythe%3A%2F%2Fandroid.googlesource.com%2Fplatform%2Fsuperproject%3Flang%3Djava%3Fpath%3Dandroid.os.PerformanceCollector%23f035e1c41302b8f8163efb5e2cf731e20a553f0e6eda0cef8f6b9f141d3ac29a) ``` /* * Stops tracking memory usage, binder transactions, and real & cpu timing. * Stores collected data as type long into Bundle object for reporting. */ private void...