{"id":979,"date":"2014-09-29T15:54:50","date_gmt":"2014-09-29T07:54:50","guid":{"rendered":"http:\/\/www.yeetrack.com\/?p=979"},"modified":"2014-09-29T15:54:50","modified_gmt":"2014-09-29T07:54:50","slug":"android%e4%b8%ad%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e5%86%85%e5%ad%98%e4%b8%8a","status":"publish","type":"post","link":"https:\/\/www.yeetrack.com\/?p=979","title":{"rendered":"Android\u4e2d\u5982\u4f55\u67e5\u770b\u5185\u5b58(\u4e0a)"},"content":{"rendered":"
\u6587\u7ae0\u53c2\u7167\u81ea\uff1ahttp:\/\/stackoverflow.com\/questions\/2298208\/how-to-discover-memory-usage-of-my-application-in-android#2299813<\/div>\n
\u50cfLinux\u8fd9\u79cd\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u662f\u5f88\u590d\u6742\u7684\uff0c\u56e0\u6b64\u5f88\u96be\u51c6\u786e\u7684\u77e5\u9053\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u4e86\u597d\u591a\u5185\u5b58\u3002<\/div>\n
\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u7684\u65b9\u5f0f\u6709\u5f88\u591a\u79cd\uff0c\u4f46\u662f\u5404\u4e2a\u65b9\u5f0f\u67e5\u770b\u5230\u7684\u7ed3\u679c\u53ef\u80fd\u4f1a\u6709\u5fae\u7565\u4e0d\u540c\u3002<\/div>\n
\u65b9\u5f0f\u4e00\uff0cRunning services<\/div>\n
\u901a\u8fc7\u624b\u673a\u4e0aRunning services\u7684Activity\u67e5\u770b\uff0c\u53ef\u4ee5\u901a\u8fc7Setting->Applications->Running services\u8fdb\u3002<\/div>\n
\u5173\u4e8eRunning services\u7684\u8be6\u7ec6\u5185\u5bb9\u8bf7\u53c2\u8003\u300aAndroid\u4e2d\u4f7f\u7528\"running services\"\u67e5\u770bservice\u8fdb\u7a0b\u5185\u5b58<\/a><\/strong>\u300b<\/div>\n
\u65b9\u5f0f\u4e8c\uff0c\u4f7f\u7528ActivityManager\u7684getMemoryInfo<\/a>(ActivityManager.MemoryInfo<\/a>\u00a0outInfo)<\/div>\n

<\/p>\n

ActivityManager.getMemoryInfo()\u4e3b\u8981\u662f\u7528\u4e8e\u5f97\u5230\u5f53\u524d\u7cfb\u7edf\u5269\u4f59\u5185\u5b58\u7684\u53ca\u5224\u65ad\u662f\u5426\u5904\u4e8e\u4f4e\u5185\u5b58\u8fd0\u884c\u3002<\/div>\n
\u5b9e\u4f8b1\uff1a<\/div>\n
\n
\u00a0 \u00a0 private void displayBriefMemory() {<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0\u00a0final ActivityManager activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 ActivityManager.MemoryInfo info = new ActivityManager.MemoryInfo();<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 activityManager.getMemoryInfo(info);<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 Log.i(tag,\"\u7cfb\u7edf\u5269\u4f59\u5185\u5b58:\"+(info.availMem\u00a0>> 10)+\"k\");<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 Log.i(tag,\"\u7cfb\u7edf\u662f\u5426\u5904\u4e8e\u4f4e\u5185\u5b58\u8fd0\u884c\uff1a\"+info.lowMemory);<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 Log.i(tag,\"\u5f53\u7cfb\u7edf\u5269\u4f59\u5185\u5b58\u4f4e\u4e8e\"+info.threshold+\"\u65f6\u5c31\u770b\u6210\u4f4e\u5185\u5b58\u8fd0\u884c\");<\/div>\n
\u00a0 \u00a0 }<\/div>\n<\/div>\n
ActivityManager.getMemoryInfo()\u662f\u7528ActivityManager.MemoryInfo\u8fd4\u56de\u7ed3\u679c\uff0c\u800c\u4e0d\u662fDebug.MemoryInfo\uff0c\u4ed6\u4eec\u4e0d\u4e00\u6837\u7684\u3002<\/div>\n
ActivityManager.MemoryInfo\u53ea\u6709\u4e09\u4e2aField:<\/div>\n
availMem:\u8868\u793a\u7cfb\u7edf\u5269\u4f59\u5185\u5b58<\/div>\n
lowMemory\uff1a\u5b83\u662fboolean\u503c\uff0c\u8868\u793a\u7cfb\u7edf\u662f\u5426\u5904\u4e8e\u4f4e\u5185\u5b58\u8fd0\u884c<\/div>\n
hreshold\uff1a\u5b83\u8868\u793a\u5f53\u7cfb\u7edf\u5269\u4f59\u5185\u5b58\u4f4e\u4e8e\u597d\u591a\u65f6\u5c31\u770b\u6210\u4f4e\u5185\u5b58\u8fd0\u884c<\/div>\n
\u65b9\u5f0f\u4e09\uff0c\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528Debug\u7684getMemoryInfo(Debug.MemoryInfo memoryInfo)\u6216ActivityManager\u7684MemoryInfo[] getProcessMemoryInfo(int[] pids)<\/div>\n
\n
\u8be5\u65b9\u5f0f\u5f97\u5230\u7684MemoryInfo\u6240\u63cf\u8ff0\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u6bd4\u8f83\u8be6\u7ec6.\u6570\u636e\u7684\u5355\u4f4d\u662fK\uff22.<\/div>\n
MemoryInfo\u7684Field\u5982\u4e0b<\/div>\n
dalvikPrivateDirty\uff1a\u00a0The private dirty pages used by dalvik\u3002<\/div>\n
dalvikPss\u00a0\uff1aThe proportional set size for dalvik.<\/div>\n
dalvikSharedDirty\u00a0\uff1aThe shared dirty pages used by dalvik.<\/div>\n
nativePrivateDirty\u00a0\uff1aThe private dirty pages used by the\u00a0native heap.<\/div>\n
nativePss\u00a0\uff1aThe proportional set size for the native heap.<\/div>\n
nativeSharedDirty\u00a0\uff1aThe shared dirty pages used by the\u00a0native heap.<\/div>\n
otherPrivateDirty\u00a0\uff1aThe private dirty pages used by everything else.<\/div>\n
otherPss\u00a0\uff1aThe proportional set size for everything else.<\/div>\n
otherSharedDirty\u00a0\uff1aThe shared dirty pages used by everything else.<\/div>\n
\n
Android\u548cLinux\u4e00\u6837\u6709\u5927\u91cf\u5185\u5b58\u5728\u8fdb\u7a0b\u4e4b\u95f4\u8fdb\u7a0b\u5171\u4eab\u3002\u67d0\u4e2a\u8fdb\u7a0b\u51c6\u786e\u7684\u4f7f\u7528\u597d\u591a\u5185\u5b58\u5b9e\u9645\u4e0a\u662f\u5f88\u96be\u7edf\u8ba1\u7684\u3002<\/div>\n
\u56e0\u4e3a\u6709paging out to disk\uff08\u6362\u9875\uff09\uff0c\u6240\u4ee5\u5982\u679c\u4f60\u628a\u6240\u6709\u6620\u5c04\u5230\u8fdb\u7a0b\u7684\u5185\u5b58\u76f8\u52a0\uff0c\u5b83\u53ef\u80fd\u5927\u4e8e\u4f60\u7684\u5185\u5b58\u7684\u5b9e\u9645\u7269\u7406\u5927\u5c0f\u3002<\/div>\n<\/div>\n<\/div>\n
dalvik\uff1a\u662f\u6307dalvik\u6240\u4f7f\u7528\u7684\u5185\u5b58\u3002<\/div>\n
native\uff1a\u662f\u88abnative\u5806\u4f7f\u7528\u7684\u5185\u5b58\u3002\u5e94\u8be5\u6307\u4f7f\u7528C\\C++\u5728\u5806\u4e0a\u5206\u914d\u7684\u5185\u5b58\u3002<\/div>\n
other:\u662f\u6307\u9664dalvik\u548cnative\u4f7f\u7528\u7684\u5185\u5b58\u3002\u4f46\u662f\u5177\u4f53\u662f\u6307\u4ec0\u4e48\u5462\uff1f\u81f3\u5c11\u5305\u62ec\u5728C\\C++\u5206\u914d\u7684\u975e\u5806\u5185\u5b58\uff0c\u6bd4\u5982\u5206\u914d\u5728\u6808\u4e0a\u7684\u5185\u5b58\u3002puzlle!<\/div>\n
private:\u662f\u6307\u79c1\u6709\u7684\u3002\u975e\u5171\u4eab\u7684\u3002<\/div>\n
share:\u662f\u6307\u5171\u4eab\u7684\u5185\u5b58\u3002<\/div>\n
PSS\uff1a\u5b9e\u9645\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\uff08\u6bd4\u4f8b\u5206\u914d\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff09<\/div>\n
\n
Pss\uff1a\u5b83\u662f\u628a\u5171\u4eab\u5185\u5b58\u6839\u636e\u4e00\u5b9a\u6bd4\u4f8b\u5206\u644a\u5230\u5171\u4eab\u5b83\u7684\u5404\u4e2a\u8fdb\u7a0b\u6765\u8ba1\u7b97\u6240\u5f97\u5230\u8fdb\u7a0b\u4f7f\u7528\u5185\u5b58\u3002\u7f51\u4e0a\u53c8\u8bf4\u662f\u6bd4\u4f8b\u5206\u914d\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff0c\u90a3\u4e48\u81f3\u4e8e\u8fd9\u91cc\u7684\u5171\u4eab\u662f\u5426\u53ea\u662f\u5e93\u7684\u5171\u4eab\uff0c\u8fd8\u662f\u4e0d\u6e05\u695a\u3002<\/div>\n
\u00a0PrivateDirty\uff1a\u5b83\u662f\u6307\u975e\u5171\u4eab\u7684\uff0c\u53c8\u4e0d\u80fd\u6362\u9875\u51fa\u53bb\uff08can not be paged to disk\u00a0\uff09\u7684\u5185\u5b58\u7684\u5927\u5c0f\u3002\u6bd4\u5982Linux\u4e3a\u4e86\u63d0\u9ad8\u5206\u914d\u5185\u5b58\u901f\u5ea6\u800c\u7f13\u51b2\u7684\u5c0f\u5bf9\u8c61\uff0c\u5373\u4f7f\u4f60\u7684\u8fdb\u7a0b\u7ed3\u675f\uff0c\u8be5\u5185\u5b58\u4e5f\u4e0d\u4f1a\u91ca\u653e\u6389\uff0c\u5b83\u53ea\u662f\u53c8\u91cd\u65b0\u56de\u5230\u7f13\u51b2\u4e2d\u800c\u5df2\u3002<\/div>\n
SharedDirty:<\/strong>\u53c2\u7167PrivateDirty\u6211\u8ba4\u4e3a\u5b83\u5e94\u8be5\u662f\u6307\u5171\u4eab\u7684\uff0c\u53c8\u4e0d\u80fd\u6362\u9875\u51fa\u53bb\uff08can not be paged to disk\u00a0\uff09\u7684\u5185\u5b58\u7684\u5927\u5c0f\u3002\u6bd4\u5982Linux\u4e3a\u4e86\u63d0\u9ad8\u5206\u914d\u5185\u5b58\u901f\u5ea6\u800c\u7f13\u51b2\u7684\u5c0f\u5bf9\u8c61\uff0c\u5373\u4f7f\u6240\u6709\u5171\u4eab\u5b83\u7684\u8fdb\u7a0b\u7ed3\u675f\uff0c\u8be5\u5185\u5b58\u4e5f\u4e0d\u4f1a\u91ca\u653e\u6389\uff0c\u5b83\u53ea\u662f\u53c8\u91cd\u65b0\u56de\u5230\u7f13\u51b2\u4e2d\u800c\u5df2\u3002<\/div>\n<\/div>\n
\u5177\u4f53\u4ee3\u7801\u8bf7\u53c2\u8003\u5b9e\u4f8b1<\/div>\n
\u6ce8\u610f\uff11\uff1aMemoryInfo\u6240\u63cf\u8ff0\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u90fd\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4adb shell\u00a0\"dumpsys meminfo %curProcessName%\"\u00a0\u5f97\u5230\u3002<\/div>\n
\u6ce8\u610f\uff12\uff1a\u5982\u679c\u60f3\u5728\u4ee3\u7801\u4e2d\u540c\u65f6\u5f97\u5230\u591a\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u6216\u975e\u672c\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u8bf7\u4f7f\u7528ActivityManager\u7684MemoryInfo[] getProcessMemoryInfo(int[] pids)\uff0c<\/div>\n
\u5426\u5219Debug\u7684getMemoryInfo(Debug.MemoryInfo memoryInfo)\u5c31\u53ef\u4ee5\u4e86\u3002<\/div>\n
\u6ce8\u610f\uff13\uff1a\u53ef\u4ee5\u901a\u8fc7ActivityManager\u7684List<\/a><ActivityManager.RunningAppProcessInfo<\/a>>\u00a0getRunningAppProcesses<\/a>()\u5f97\u5230\u5f53\u524d\u6240\u6709\u8fd0\u884c\u7684\u8fdb\u7a0b\u4fe1\u606f\u3002<\/div>\n
ActivityManager.RunningAppProcessInfo<\/a>\u4e2d\u5c31\u6709\u8fdb\u7a0b\u7684id\uff0c\u540d\u5b57\u4ee5\u53ca\u8be5\u8fdb\u7a0b\u5305\u62ec\u7684\u6240\u6709apk\u5305\u540d\u5217\u8868\u7b49\u3002<\/div>\n
\u6ce8\u610f4\uff1a\u6570\u636e\u7684\u5355\u4f4d\u662fKB.<\/div>\n
\u65b9\u5f0f4\u3001\u4f7f\u7528Debug\u7684getNativeHeapSize ()\uff0cgetNativeHeapAllocatedSize ()\uff0cgetNativeHeapFreeSize ()\u65b9\u6cd5\u3002<\/div>\n
\u8be5\u65b9\u5f0f\u53ea\u80fd\u5f97\u5230Native\u5806\u7684\u5185\u5b58\u5927\u6982\u60c5\u51b5\uff0c\u6570\u636e\u5355\u4f4d\u4e3a\u5b57\u8282\u3002<\/div>\n
static long\u00a0getNativeHeapAllocatedSize<\/a>()<\/div>\n
Returns the amount of allocated memory in the native heap.<\/div>\n
\u8fd4\u56de\u7684\u662f\u5f53\u524d\u8fdb\u7a0bnavtive\u5806\u4e2d\u5df2\u4f7f\u7528\u7684\u5185\u5b58\u5927\u5c0f
\nstatic long\u00a0getNativeHeapFreeSize<\/a>()<\/p>\n
Returns the amount of free memory in the native heap.<\/div>\n
\u8fd4\u56de\u7684\u662f\u5f53\u524d\u8fdb\u7a0bnavtive\u5806\u4e2d\u5df2\u7ecf\u5269\u4f59\u7684\u5185\u5b58\u5927\u5c0f<\/div>\n

static long\u00a0getNativeHeapSize<\/a>()<\/p>\n

Returns the size of the native heap.<\/div>\n
\u8fd4\u56de\u7684\u662f\u5f53\u524d\u8fdb\u7a0bnavtive\u5806\u672c\u8eab\u603b\u7684\u5185\u5b58\u5927\u5c0f<\/div>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/div>\n
\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Log.i(tag,\"NativeHeapSizeTotal:\"+(Debug.getNativeHeapSize()>>10));<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Log.i(tag,\"NativeAllocatedHeapSize:\"+(Debug.getNativeHeapAllocatedSize()>>10));<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Log.i(tag,\"NativeAllocatedFree:\"+(Debug.getNativeHeapFreeSize()>>10));<\/div>\n
\u6ce8\u610f\uff1aDEBUG\u4e2d\u5c45\u7136\u6ca1\u6709\u4e0e\u4e0a\u9762\u76f8\u5bf9\u5e94\u7684\u5173\u4e8edalvik\u7684\u51fd\u6570\u3002<\/div>\n
\u65b9\u5f0f\u4e94\u3001\u4f7f\u7528dumpsys meminfo\u547d\u4ee4\u3002<\/div>\n
\u6211\u4eec\u53ef\u4ee5\u5728adb shell \u4e2d\u8fd0\u884cdumpsys meminfo\u547d\u4ee4\u6765\u5f97\u5230\u8fdb\u7a0b\u7684\u5185\u5b58\u4fe1\u606f\u3002\u5728\u8be5\u547d\u4ee4\u7684\u540e\u9762\u8981\u52a0\u4e0a\u8fdb\u7a0b\u7684\u540d\u5b57\uff0c\u4ee5\u786e\u5b9a\u662f\u54ea\u4e2a\u8fdb\u7a0b\u3002<\/div>\n
\u6bd4\u5982\"adb shell dumpsys meminfo\u00a0com.teleca.robin.test\"\u00a0\u5c06\u5f97\u5230com.teleca.robin.test\u8fdb\u7a0b\u4f7f\u7528\u7684\u5185\u5b58\u7684\u4fe1\u606f:<\/div>\n<\/div>\n<\/div>\n
\n
Applications Memory Usage (kB):<\/div>\n
Uptime: 12101826 Realtime: 270857936<\/div>\n
<\/div>\n
** MEMINFO in pid 3407 [com.teleca.robin.test] **<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 native \u00a0 dalvik \u00a0 \u00a0other \u00a0 \u00a0total<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0size: \u00a0 \u00a0 3456 \u00a0 \u00a0 3139 \u00a0 \u00a0 \u00a0N\/A \u00a0 \u00a0 6595<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0allocated: \u00a0 \u00a0 3432 \u00a0 \u00a0 2823 \u00a0 \u00a0 \u00a0N\/A \u00a0 \u00a0 6255<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0free: \u00a0 \u00a0 \u00a0 23 \u00a0 \u00a0 \u00a0316 \u00a0 \u00a0 \u00a0N\/A \u00a0 \u00a0 \u00a0339<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(Pss): \u00a0 \u00a0 \u00a0724 \u00a0 \u00a0 1101 \u00a0 \u00a0 1070 \u00a0 \u00a0 2895<\/div>\n
\u00a0\u00a0(shared dirty): \u00a0 \u00a0 1584 \u00a0 \u00a0 4540 \u00a0 \u00a0 1668 \u00a0 \u00a0 7792<\/div>\n
\u00a0 \u00a0\u00a0(priv dirty): \u00a0 \u00a0 \u00a0644 \u00a0 \u00a0 \u00a0608 \u00a0 \u00a0 \u00a0688 \u00a0 \u00a0 1940<\/div>\n
<\/div>\n
\u00a0Objects<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Views: \u00a0 \u00a0 \u00a0 \u00a00 \u00a0 \u00a0 \u00a0 \u00a0ViewRoots: \u00a0 \u00a0 \u00a0 \u00a00<\/div>\n
\u00a0 \u00a0 \u00a0AppContexts: \u00a0 \u00a0 \u00a0 \u00a00 \u00a0 \u00a0 \u00a0 Activities: \u00a0 \u00a0 \u00a0 \u00a00<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Assets: \u00a0 \u00a0 \u00a0 \u00a03 \u00a0 \u00a0AssetManagers: \u00a0 \u00a0 \u00a0 \u00a03<\/div>\n
\u00a0 \u00a0Local Binders: \u00a0 \u00a0 \u00a0 \u00a05 \u00a0 \u00a0Proxy Binders: \u00a0 \u00a0 \u00a0 11<\/div>\n
Death Recipients: \u00a0 \u00a0 \u00a0 \u00a00<\/div>\n
\u00a0OpenSSL Sockets: \u00a0 \u00a0 \u00a0 \u00a00<\/div>\n
<\/div>\n
\u00a0SQL<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 heap: \u00a0 \u00a0 \u00a0 \u00a00 \u00a0 \u00a0 \u00a0 memoryUsed: \u00a0 \u00a0 \u00a0 \u00a00<\/div>\n
pageCacheOverflo: \u00a0 \u00a0 \u00a0 \u00a00 \u00a0largestMemAlloc: \u00a0 \u00a0 \u00a0 \u00a00<\/div>\n
<\/div>\n
<\/div>\n
\u00a0Asset Allocations<\/div>\n
\u00a0 \u00a0 zip:\/data\/app\/com.teleca.robin.test-1.apk:\/resources.arsc: 1K<\/div>\n<\/div>\n
\u00a0\"size\" \u8868\u793a\u7684\u662f\u603b\u5185\u5b58\u5927\u5c0f\uff08kb\uff09\u3002, \"allocated\" \u8868\u793a\u7684\u662f\u5df2\u4f7f\u7528\u4e86\u7684\u5185\u5b58\u5927\u5c0f\uff08kb\uff09\uff0c, \"free\"\u8868\u793a\u7684\u662f\u5269\u4f59\u7684\u5185\u5b58\u5927\u5c0f\uff08kb\uff09, \u66f4\u591a\u7684\u53ef\u4ee5\u53c2\u7167\u65b9\u5f0f\u4e09\u548c\u65b9\u5f0f\u56db\u4e2d\u7684\u63cf\u8ff0<\/div>\n
\u73b0\u5728\u5df2\u7ecf\u6709\u4e86\u81ea\u52a8\u63d0\u53d6\u6c47\u603bdumpsys meminfo\u4fe1\u606f\u7684\u5de5\u5177\uff0c\u5177\u4f53\u8bf7\u53c2\u7167\u300aAndroid\u5185\u5b58\u6cc4\u9732\u5229\u5668\uff08\u5185\u5b58\u7edf\u8ba1\u7bc7\uff09<\/a><\/strong>\u300b\u53ca\u5176\u7cfb\u5217\u6587\u7ae0\u3002<\/div>\n
\u65b9\u5f0f\u516d\u3001<\/strong>\u4f7f\u7528\u00a0\"adb shell procrank\"\u547d\u4ee4<\/div>\n
\u5982\u679c\u4f60\u60f3\u67e5\u770b\u6240\u6709\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u4f7f\u7528\"adb shell procrank\"\u547d\u4ee4\u3002\u547d\u4ee4\u8fd4\u56de\u5c06\u5982\u4e0b\uff1a<\/div>\n
\n
\n
\n
\u00a0 PID \u00a0 \u00a0 \u00a0Vss \u00a0 \u00a0 \u00a0Rss \u00a0 \u00a0 \u00a0Pss \u00a0 \u00a0 \u00a0Uss \u00a0cmdline<\/div>\n
\u00a0 188 \u00a0 75832K \u00a0 51628K \u00a0 24824K \u00a0 19028K \u00a0system_server<\/div>\n
\u00a0 308 \u00a0 50676K \u00a0 26476K \u00a0 \u00a09839K \u00a0 \u00a06844K \u00a0system_server<\/div>\n
\u00a02834 \u00a0 35896K \u00a0 31892K \u00a0 \u00a09201K \u00a0 \u00a06740K \u00a0com.sec.android.app.twlauncher<\/div>\n
\u00a0 265 \u00a0 28536K \u00a0 28532K \u00a0 \u00a07985K \u00a0 \u00a05824K \u00a0com.android.phone<\/div>\n
\u00a0 100 \u00a0 29052K \u00a0 29048K \u00a0 \u00a07299K \u00a0 \u00a04984K \u00a0zygote<\/div>\n
\u00a0 258 \u00a0 27128K \u00a0 27124K \u00a0 \u00a07067K \u00a0 \u00a05248K \u00a0com.swype.android.inputmethod<\/div>\n
\u00a0 270 \u00a0 25820K \u00a0 25816K \u00a0 \u00a06752K \u00a0 \u00a05420K \u00a0com.android.kineto<\/div>\n
\u00a01253 \u00a0 27004K \u00a0 27000K \u00a0 \u00a06489K \u00a0 \u00a04880K \u00a0com.google.android.voicesearch<\/div>\n
\u00a02898 \u00a0 26620K \u00a0 26616K \u00a0 \u00a06204K \u00a0 \u00a03408K \u00a0com.google.android.apps.maps:FriendService<\/div>\n
\u00a0 297 \u00a0 26180K \u00a0 26176K \u00a0 \u00a05886K \u00a0 \u00a04548K \u00a0com.google.process.gapps<\/div>\n
\u00a03157 \u00a0 24140K \u00a0 24136K \u00a0 \u00a05191K \u00a0 \u00a04272K \u00a0android.process.acore<\/div>\n
\u00a02854 \u00a0 23304K \u00a0 23300K \u00a0 \u00a04067K \u00a0 \u00a02788K \u00a0com.android.vending<\/div>\n
\u00a03604 \u00a0 22844K \u00a0 22840K \u00a0 \u00a04036K \u00a0 \u00a03060K \u00a0com.wssyncmldm<\/div>\n
\u00a0 592 \u00a0 23372K \u00a0 23368K \u00a0 \u00a03987K \u00a0 \u00a02812K \u00a0com.google.android.googlequicksearchbox<\/div>\n
\u00a03000 \u00a0 22768K \u00a0 22764K \u00a0 \u00a03844K \u00a0 \u00a02724K \u00a0com.tmobile.selfhelp<\/div>\n
\u00a0 101 \u00a0 \u00a08128K \u00a0 \u00a08124K \u00a0 \u00a03649K \u00a0 \u00a02996K \u00a0\/system\/bin\/mediaserver<\/div>\n
\u00a03473 \u00a0 21792K \u00a0 21784K \u00a0 \u00a03103K \u00a0 \u00a02164K \u00a0com.android.providers.calendar<\/div>\n
\u00a03407 \u00a0 22092K \u00a0 22088K \u00a0 \u00a02982K \u00a0 \u00a01980K \u00a0com.teleca.robin.test<\/div>\n
\u00a02840 \u00a0 21380K \u00a0 21376K \u00a0 \u00a02953K \u00a0 \u00a01996K \u00a0com.sec.android.app.controlpanel<\/div>\n<\/div>\n
......................................................................................................................<\/div>\n<\/div>\n<\/div>\n
\u5173\u4e8eVSS,RSS,PSS,USS\u7684\u610f\u4e49\u8bf7\u53c2\u8003\u300aAndroid\u5185\u5b58\u4e4bVSS\/RSS\/PSS\/USS<\/a><\/strong>\u300b<\/div>\n
\u6ce8\u610f1\uff1a\u8fd9\u91cc\u7684PSS\u548c\u65b9\u5f0f\u56dbPSS\u7684total\u5e76\u4e0d\u4e00\u81f4\uff0c\u6709\u7ec6\u5fae\u7684\u5dee\u522b\u3002\u4e3a\u4ec0\u4e48\u5462\uff1f\u8fd9\u662f\u56e0\u4e3aprocrank \u547d\u4ee4\u548cmeminfo\u547d\u4ee4\u4f7f\u7528\u7684\u5185\u6838\u673a\u5236\u4e0d\u592a\u4e00\u6837\uff0c\u6240\u4ee5\u7ed3\u679c\u4f1a\u6709\u7ec6\u5fae\u5dee\u522b<\/div>\n
\u6ce8\u610f2\uff1a\u8fd9\u91cc\u7684Uss\u00a0\u548c\u65b9\u5f0f\u56db\u7684Priv Dirtyd\u7684total\u51e0\u4e4e\u76f8\u7b49.\u4ed6\u4eec\u4f3c\u4e4e\u8868\u793a\u7684\u662f\u540c\u4e00\u4e2a\u610f\u4e49\u3002\u4f46\u662f\u73b0\u5728\u5f97\u5230\u7684\u5173\u4e8e\u5b83\u4eec\u7684\u610f\u4e49\u7684\u89e3\u91ca\u5374\u4e0d\u592a\u76f8\u540c\u3002\u96be\u9053\u8fd9\u91ccPrivate\u7684\u90fd\u662fdirty(\u8fd9\u91cc\u6307\u4e0d\u80fd\u6362\u9875)?\u00a0Puzzle!<\/div>\n
\u65b9\u5f0f\u4e03\u3001<\/strong>\u4f7f\u7528\"adb shell cat \/proc\/meminfo\" \u547d\u4ee4\u3002<\/div>\n
\u8be5\u65b9\u5f0f\u53ea\u80fd\u5f97\u51fa\u7cfb\u7edf\u6574\u4e2a\u5185\u5b58\u7684\u5927\u6982\u4f7f\u7528\u60c5\u51b5\u3002<\/div>\n
MemTotal: \u00a0 \u00a0 \u00a0 \u00a0 395144 kB<\/div>\n
MemFree: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0184936 kB<\/div>\n
Buffers: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 880 kB<\/div>\n
Cached: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a084104 kB<\/div>\n
SwapCached: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00 kB<\/div>\n
................................................................................................<\/div>\n
MemTotal\u00a0\uff1a\u53ef\u4f9b\u7cfb\u7edf\u548c\u7528\u6237\u4f7f\u7528\u7684\u603b\u5185\u5b58\u5927\u5c0f\u00a0(\u5b83\u6bd4\u5b9e\u9645\u7684\u7269\u7406\u5185\u5b58\u8981\u5c0f\uff0c\u56e0\u4e3a\u8fd8\u6709\u4e9b\u5185\u5b58\u8981\u7528\u4e8eradio, DMA buffers, \u7b49).<\/div>\n
MemFree\uff1a\u5269\u4f59\u7684\u53ef\u7528\u5185\u5b58\u5927\u5c0f\u3002\u8fd9\u91cc\u8be5\u503c\u6bd4\u8f83\u5927\uff0c\u5b9e\u9645\u4e0a\u4e00\u822cAndroid system \u7684\u8be5\u503c\u901a\u5e38\u90fd\u5f88\u5c0f\uff0c\u56e0\u4e3a\u6211\u4eec\u5c3d\u91cf\u8ba9\u8fdb\u7a0b\u90fd\u4fdd\u6301\u8fd0\u884c\uff0c\u8fd9\u6837\u4f1a\u8017\u6389\u5927\u91cf\u5185\u5b58\u3002<\/div>\n
Cached:\u00a0\u8fd9\u4e2a\u662f\u7cfb\u7edf\u7528\u4e8e\u6587\u4ef6\u7f13\u51b2\u7b49\u7684\u5185\u5b58. \u901a\u5e38systems\u9700\u898120MB \u4ee5\u907f\u514dbad paging states;\u3002\u5f53\u5185\u5b58\u7d27\u5f20\u65f6\uff0cthe Android out of memory killer\u5c06\u6740\u6b7b\u4e00\u4e9bbackground\u8fdb\u7a0b\uff0c\u4ee5\u907f\u514d\u4ed6\u4eec\u6d88\u8017\u8fc7\u591a\u7684cached RAM \uff0c\u5f53\u7136\u5982\u679c\u4e0b\u6b21\u518d\u7528\u5230\u4ed6\u4eec\uff0c\u5c31\u9700\u8981paging. \u90a3\u4e48\u662f\u8bf4background\u8fdb\u7a0b\u7684\u5185\u5b58\u5305\u542b\u5728\u8be5\u9879\u4e2d\u5417\uff1f<\/div>\n
\u65b9\u5f0f\u516b\uff0c<\/strong>\u4f7f\u7528\u201cadb shell ps -x\u201d\u547d\u4ee4<\/div>\n
\u8be5\u65b9\u5f0f\u4e3b\u8981\u5f97\u5230\u7684\u662f\u5185\u5b58\u4fe1\u606f\u662fVSIZE \u548cRSS\u3002<\/div>\n
\n
USER \u00a0 \u00a0 PID \u00a0 PPID \u00a0VSIZE \u00a0RSS \u00a0 \u00a0 WCHAN \u00a0 \u00a0PC \u00a0 \u00a0 \u00a0 \u00a0 NAME<\/div>\n
.........................\u7701\u7565.................................<\/div>\n
app_70 \u00a0 \u00a03407 \u00a0100 \u00a0 267104 22056 ffffffff afd0eb18 S com.teleca.robin.test (u:55, s:12)<\/div>\n
app_7 \u00a0 \u00a0 3473 \u00a0100 \u00a0 268780 21784 ffffffff afd0eb18 S com.android.providers.calendar (u:16, s:8)<\/div>\n
radio \u00a0 \u00a0 3487 \u00a0100 \u00a0 267980 21140 ffffffff afd0eb18 S com.osp.app.signin (u:11, s:12)<\/div>\n
system \u00a0 \u00a03511 \u00a0100 \u00a0 273232 22024 ffffffff afd0eb18 S com.android.settings (u:11, s:4)<\/div>\n
app_15 \u00a0 \u00a03546 \u00a0100 \u00a0 267900 20300 ffffffff afd0eb18 S com.sec.android.providers.drm (u:15, s:6)<\/div>\n
app_59 \u00a0 \u00a03604 \u00a0100 \u00a0 272028 22856 ffffffff afd0eb18 S com.wssyncmldm (u:231, s:54)<\/div>\n
root \u00a0 \u00a0 \u00a04528 \u00a02 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a00 \u00a0 \u00a0 c0141e4c 00000000 S flush-138:13 (u:0, s:0)<\/div>\n
root \u00a0 \u00a0 \u00a04701 \u00a0152 \u00a0 676 \u00a0 \u00a0336 \u00a0 c00a68c8 afd0e7cc S \/system\/bin\/sh (u:0, s:0)<\/div>\n
root \u00a0 \u00a0 \u00a04702 \u00a04701 \u00a0820 \u00a0 \u00a0340 \u00a0 00000000 afd0d8bc R ps (u:0, s:5)<\/div>\n
VSZIE:\u610f\u4e49\u6682\u65f6\u4e0d\u660e\u3002<\/div>\n
VSS\uff1a\u8bf7\u53c2\u8003\u300aAndroid\u5185\u5b58\u4e4bVSS\/RSS\/PSS\/USS<\/a><\/strong>\u300b<\/div>\n<\/div>\n
\u6ce8\u610f1\uff1a\u7531\u4e8eRSS\u7684\u4ef7\u503c\u4e0d\u662f\u5f88\u5927\uff0c\u6240\u4ee5\u4e00\u822c\u4e0d\u7528\u3002<\/div>\n
\u6ce8\u610f2\uff1a\u901a\u8fc7\u8be5\u547d\u4ee4\u63d0\u53d6RSS\uff0c\u5df2\u7ecf\u6709\u4e86\u5de5\u5177\uff0c\u5177\u4f53\u53c2\u7167\u300aAndroid\u5185\u5b58\u6cc4\u9732\u5229\u5668\uff08RSS\u5185\u5b58\u7edf\u8ba1\u7bc7\uff09<\/a><\/strong>\u300b\u53ca\u5176\u7cfb\u5217\u3002<\/div>\n
<\/div>\n
\u539f\u6587\uff1ahttp:\/\/blog.csdn.net\/hudashi\/article\/details\/7050897<\/div>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u53c2\u7167\u81ea\uff1ahttp:\/\/stackoverflow.com\/questions\/2298208\/how-to-discover-memory-usage-of-my-application-in-a...<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[34],"tags":[],"class_list":["post-979","post","type-post","status-publish","format-standard","hentry","category-software"],"views":2867,"_links":{"self":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=979"}],"version-history":[{"count":1,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/979\/revisions"}],"predecessor-version":[{"id":980,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/979\/revisions\/980"}],"wp:attachment":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}