{"id":461,"date":"2025-02-20T09:11:01","date_gmt":"2025-02-20T09:11:01","guid":{"rendered":"https:\/\/boochlin.com\/?p=461"},"modified":"2026-09-16T09:53:57","modified_gmt":"2026-09-16T09:53:57","slug":"android-%e7%88%9b%e8%a3%9d%e7%bd%ae%e6%83%b3%e8%b7%91%e4%ba%ba%e8%87%89%e8%be%a8%e8%ad%981-%e8%a9%95%e4%bc%b0%e7%ac%ac%e4%b8%80","status":"publish","type":"post","link":"https:\/\/boochlin.com\/?p=461","title":{"rendered":"Android \u721b\u88dd\u7f6e\u60f3\u8dd1\u4eba\u81c9\u8fa8\u8b581 \u2013 \u8a55\u4f30\u7b2c\u4e00"},"content":{"rendered":"<p><img decoding=\"async\" src=\"..\/..\/assets\/images\/ChatGPT-Image-May-22-2025-05_35_01-AM.png\" alt=\"\"><\/p>\n<p>\u4e0a\u4e00\u7bc7\u628a\u9ad8\u901a QM215 \u9019\u584a\u7834\u677f\u5b50\u7684\u5e95\u724c\u6380\u4e86\uff1a4 \u9846 1.3GHz \u7684\u5f31\u96de A53\u3001\u6c92\u6709 NPU\u3001\u70ba\u4e86\u7701\u9322\u53ea\u710a\u4e86\u5340\u5340 2GB RAM\u3002<\/p>\n<p>\u5f88\u591a\u5de5\u7a0b\u5e2b\u4e00\u62ff\u5230\u9019\u7a2e\u786c\u9ad4\uff0c\u71b1\u8840\u4e0a\u982d\u7acb\u523b\u6253\u958b IDE\uff0c\u958b\u59cb\u4e0a\u7db2\u627e\u5404\u7a2e\u300c\u6975\u901f\u795e\u7d93\u7db2\u8def\u52a0\u901f\u300d\u3001\u300c\u9ad8\u4f75\u767c\u591a\u57f7\u884c\u7dd2\u300d\u9ed1\u9b54\u6cd5\uff0c\u6068\u4e0d\u5f97\u7b2c\u4e00\u5929\u5c31\u91cd\u69cb\u6574\u500b\u6f14\u7b97\u6cd5\u3002<\/p>\n<p>\u807d\u6211\u4e00\u53e5\u52f8\uff1a\u5148\u628a\u4f60\u7684\u9375\u76e4\u6536\u8d77\u4f86\u3002<\/p>\n<p>\u6211\u5011\u505a\u7684\u662f 7&#215;24 \u5c0f\u6642\u639b\u5728\u7246\u4e0a\u7684\u5c08\u7528\u4eba\u81c9\u8fa8\u8b58\u7d42\u7aef\uff0c\u4e0d\u662f\u4f11\u9592\u624b\u6a5f\u3002\u5b83\u958b\u6a5f\u5c31\u53ea\u6709\u4e00\u500b\u4f7f\u547d\uff1a\u96d9\u93e1\u982d\u5f71\u50cf\u6d41\u8981\u9032\u4f86\u3001AI \u6a21\u578b\u8981\u8dd1\u3001\u4eba\u81c9\u8981\u5728 1 \u79d2\u5167\u8a8d\u51fa\u4f86\uff0c\u800c\u4e14\u7d55\u5c0d\u4e0d\u51c6\u7576\u6a5f\u3002<\/p>\n<p>\u4f46\u5728\u4f60\u52d5\u624b\u5beb\u4efb\u4f55\u4e00\u884c\u512a\u5316\u4ee3\u78bc\u4e4b\u524d\uff0c\u5148\u770b\u770b\u9019\u500b\u6b98\u9177\u7684\u7b97\u8853\u73fe\u5be6\uff1a<\/p>\n<blockquote>\n<p>2048MB (\u5be6\u9ad4 RAM) &#8211; 1300MB (Android \u958b\u6a5f\u5e38\u99d0) &#8211; 950MB (RGB + ToF \u96d9\u6d41) = -202MB &lt; 0<\/p>\n<\/blockquote>\n<p>\u9023 AI \u6a21\u578b\u7684\u6b0a\u91cd\u90fd\u9084\u6c92\u8f09\u5165\uff0c\u5e33\u9762\u4e0a\u5c31\u5df2\u7d93\u5012\u8cbc 200MB\u3002\u9019\u610f\u5473\u8457\u4f60\u7684 App \u53ea\u8981\u6562\u547c\u5438\u4e00\u53e3\u7a7a\u6c23\uff0cAndroid \u5167\u6838\u7684 LMKD \u5c31\u6703\u63d0\u8457\u5927\u5200\u5728\u80cc\u666f\u56db\u8655\u5de1\u908f\uff0c\u96a8\u6642\u6e96\u5099\u628a\u4f60\u7684\u9032\u7a0b\u7576\u5834\u8655\u6c7a\u3002<\/p>\n<p>\u5728\u9019\u7a2e\u6975\u9650\u751f\u5b58\u6230\u5834\u4e0a\uff0c<strong>\u6c92\u6709\u5100\u8868\u677f\u7684\u98db\u6a5f\u6c92\u4eba\u6562\u958b\uff1b\u4e0d\u61c2\u91cf\u6e2c\u7684\u512a\u5316\u4e0d\u53eb\u6280\u8853\uff0c\u53eb\u4f5c\u6cd5\u62bd\u7c64\u3002<\/strong><\/p>\n<p>\u4f60\u5982\u679c\u4e0d\u6e05\u695a\u6bcf\u4e00\u584a\u8a18\u61b6\u9ad4\u88ab\u8ab0\u5403\u6389\uff0c\u505a\u518d\u591a\u6240\u8b02\u7684\u512a\u5316\uff0c\u6700\u5f8c\u90fd\u53ea\u662f\u5728\u778e\u5fd9\u3002<\/p>\n<hr>\n<h2>\u7b2c\u4e00\u6b65\uff1a\u5168\u6a5f\u6b7b\u6d3b\u5b8f\u89c0\u76e4\u9ede\uff08dumpsys meminfo\uff09<\/h2>\n<p>\u8a2d\u5099\u63a5\u4e0a USB\uff0c\u958b\u6a5f\u9032\u7cfb\u7d71\uff0c\u4f60\u7b2c\u4e00\u500b\u8a72\u57f7\u884c\u7684\u6307\u4ee4\u7d55\u5c0d\u4e0d\u662f\u6253\u958b Android Studio Profiler \u53bb\u770b\u90a3\u689d\u82b1\u82b1\u7da0\u7da0\u7684\u66f2\u7dda\uff0c\u800c\u662f\u7ad9\u5728 Linux \u6838\u5fc3\u8996\u89d2\u554f\u4e00\u53e5\uff1a<strong>\u6574\u53f0\u6a5f\u5668\u5230\u5e95\u9084\u5269\u591a\u5c11\u53e3\u6c23\u53ef\u4ee5\u6d3b\uff1f<\/strong><\/p>\n<p>\u76f4\u63a5\u5728\u7d42\u7aef\u6a5f\u6572\u4e0b\uff1a<\/p>\n<pre><code class=\"language-bash\">adb shell dumpsys meminfo\n<\/code><\/pre>\n<p>\u8f38\u51fa\u6700\u4e0a\u9762\u90a3\u4e00\u6bb5\uff0c\u5c31\u662f\u6574\u53f0\u8a2d\u5099\u7684\u751f\u6b7b\u5224\u6c7a\u66f8\uff1a<\/p>\n<pre><code class=\"language-text\">Total RAM: 1,909,104K (status normal)\nFree RAM:   456,339K (  140,995K cached pss +   251,112K cached kernel +    64,232K free)\nUsed RAM: 1,503,496K (1,301,496K used pss +   202,000K kernel)\nLost RAM:   125,250K\n    ZRAM:    44,240K physical used for   225,168K in swap (  524,284K total swap)\n     KSM:    26,640K saved from shared       828K              20,964K unshared;     6,096K\n<\/code><\/pre>\n<p>\u9019\u5806\u6578\u5b57\u4e0d\u662f\u5929\u66f8\uff0c\u8acb\u7528\u653e\u5927\u93e1\u4ed4\u7d30\u770b\u6e05\u695a\uff1a<\/p>\n<ul>\n<li><strong>Total RAM\uff081.9GB\uff09<\/strong>\uff1a\u898f\u683c\u66f8\u4e0a\u5beb 2GB\uff0c\u6263\u9664\u958b\u6a5f\u524d\u88ab\u57fa\u983b\u3001Modem \u548c Bootloader \u786c\u751f\u751f\u5207\u8d70\u7684\u4fdd\u7559\u5340\uff0c\u4f60\u80fd\u652f\u914d\u7684\u6975\u9650\u5c31\u53ea\u6709 1.9GB\u3002<\/li>\n<li><strong>Free RAM\uff08\u771f\u6b63\u80fd\u7528\u7684\u53ea\u6709 64MB\uff09<\/strong>\uff1a\u5f88\u591a\u83dc\u9ce5\u770b\u5230 Free \u9084\u6709 456MB \u5c31\u5b89\u5fc3\u4e86\uff0c\u90a3\u662f\u88ab\u9a19\u4e86\uff01\u88e1\u9762\u6709 140MB \u662f cached pss\u3001251MB \u662f\u6838\u5fc3\u5feb\u53d6\uff0c\u771f\u6b63\u7684\u300c\u7d55\u5c0d\u81ea\u7531\u7a7a\u9593\uff08free\uff09\u300d\u53ea\u6709\u53ef\u6190\u7684 64MB\u3002\u53ea\u8981\u7cfb\u7d71\u7a0d\u5fae\u5207\u63db\u4e00\u4e0b context\uff0c\u9019\u9ede\u81ea\u7531\u7a7a\u9593\u77ac\u9593\u84b8\u767c\u3002<\/li>\n<li><strong>Used RAM\uff081.5GB\uff09<\/strong>\uff1a\u958b\u6a5f\u4ec0\u9ebc\u90fd\u6c92\u8dd1\uff0c\u7cfb\u7d71\u5c31\u5df2\u7d93\u541e\u566c\u4e86 1.5GB\uff0c\u6574\u53f0\u6a5f\u5668\u5e7e\u4e4e\u5df2\u7d93\u6eff\u5230\u5589\u56a8\u3002<\/li>\n<li><strong>ZRAM<\/strong>\uff1a\u7528 44MB \u58d3\u7e2e\u51fa 225MB \u7684 swap \u7a7a\u9593\u3002\u58d3\u7e2e\u6bd4\u8d85\u904e 5 \u500d\uff0c\u9019\u662f\u4f4e\u968e\u6676\u7247\u552f\u4e00\u7684\u906e\u7f9e\u5e03\u3002<\/li>\n<li><strong>Lost RAM\uff08125MB\uff09<\/strong>\uff1a\u9019\u662f\u786c\u9ad4\u9a45\u52d5\u3001ION \u8a18\u61b6\u9ad4\u5206\u914d\u3001GPU \u5171\u4eab\u8a18\u61b6\u9ad4\u5403\u8d70\u5f8c\u7684\u9ed1\u6d1e\uff0c\u6c38\u9060\u8981\u4e0d\u56de\u4f86\u3002<\/li>\n<\/ul>\n<p>\u8a18\u4f4f\u9019\u500b\u9435\u5f8b\uff1a<strong>\u5982\u679c\u4f60\u958b\u5b8c\u6a5f\u770b\u5230 Free RAM \u5c0f\u65bc 100MB\uff0cAI \u6a21\u578b\u8f09\u5165\u77ac\u9593 OOM \u5c31\u662f\u5fc5\u7136\u7684\u7269\u7406\u898f\u5f8b\u3002<\/strong><\/p>\n<p>\u6bcf\u6b21\u4f60\u88c1\u6e1b\u4e86\u7cfb\u7d71\u670d\u52d9\u3001\u6539\u4e86\u5e95\u5c64\u914d\u7f6e\uff0c\u958b\u6a5f\u5f8c\u7b2c\u4e00\u4ef6\u4e8b\u5c31\u662f\u8dd1\u9019\u689d\u6307\u4ee4\u9a57\u6536\u6210\u679c\u3002<\/p>\n<hr>\n<h2>\u7b2c\u4e8c\u6b65\uff1a\u7cbe\u7b97 App \u8a18\u61b6\u9ad4\u9aa8\u67b6\uff08\u4e0d\u8981\u53ea\u770b\u7e3d\u91cf\uff09<\/h2>\n<p>\u77e5\u9053\u5168\u6a5f\u73fe\u6cc1\u5f8c\uff0c\u63a5\u4e0b\u4f86\u628a\u69cd\u53e3\u5c0d\u6e96\u6211\u5011\u81ea\u5df1\u7684\u61c9\u7528\u7a0b\u5f0f\uff1a<\/p>\n<pre><code class=\"language-bash\">adb shell dumpsys meminfo com.edge.ai.facegate\n<\/code><\/pre>\n<p>\u4f60\u62ff\u5230\u7684\u8f38\u51fa\u7d50\u69cb\u9577\u9019\u6a23\uff1a<\/p>\n<pre><code class=\"language-text\">Applications Memory Usage (in Kilobytes):\n** MEMINFO in pid 12345 [com.edge.ai.facegate] **\n                   Pss  Private  Private  Swapped     Heap     Heap     Heap\n                 Total    Dirty    Clean    Dirty     Size    Alloc     Free\n                ------   ------   ------   ------   ------   ------   ------\n  Native Heap    43264    41800        0        0    49152    45000     8000\n  Dalvik Heap    92160    90500        0        0   102400    98000     4300\n Dalvik Other    10240    10000        0        0\n        Stack     2048     2048        0        0\n       Ashmem     3072     3072        0        0\n     .so mmap    15360     1024     8192        0\n    .apk mmap     2048        0     2048        0\n    .dex mmap     8192        0     8192        0\n      GL mtrack   4096     4096        0        0\n       Unknown    20480    20480        0        0\n\n         TOTAL   205600   192096    20408        0\n\n App Summary\n                       Pss(KB)\n            Java Heap:    90500\n          Native Heap:    41800\n                 Code:    21504\n                Stack:     2048\n             Graphics:     6144\n        Private Other:    30496\n               System:    12308\n\n           TOTAL PSS:   205600       TOTAL RSS:   194560\n<\/code><\/pre>\n<p>\u770b\u9019\u500b\u5831\u8868\uff0c\u4e0d\u8981\u53ea\u770b\u6700\u5f8c\u4e00\u884c TOTAL PSS\uff0c\u5fc5\u9808\u6b7b\u76ef\u8457\u4e09\u500b\u95dc\u9375\u7dad\u5ea6\uff1a<\/p>\n<ol>\n<li><strong>Native Heap (Private Dirty \u7d04 41MB)<\/strong>\uff1a<br \/>\nC\/C++ \u5e95\u5c64\u7de9\u885d\u5340\u3001OpenCV Mat\u3001\u9ede\u96f2\u5ea7\u6a19\u7d50\u69cb\u8207 AI \u6b0a\u91cd\u90fd\u5728\u9019\u88e1\u3002<br \/>\n<code>Private Dirty<\/code> \u662f\u6392\u67e5 Native \u6d29\u6f0f\u7684\u552f\u4e00\u751f\u5316\u6307\u6a19\u2014\u2014\u53ea\u8981\u93e1\u982d\u958b\u8457\u3001\u8fa8\u8b58\u5728\u8dd1\uff0c\u9019\u500b\u6578\u5b57\u5982\u679c\u4e00\u8def\u5f80\u4e0a\u722c\u4e0d\u56de\u982d\uff0c\u4ee3\u8868\u4f60\u5e95\u5c64\u7684 C++ \u80af\u5b9a\u6709 <code>malloc<\/code> \u6216 JNI byte \u9663\u5217\u5fd8\u8a18\u91cb\u653e\u3002<\/li>\n<li><strong>Dalvik Heap (Private Dirty \u7d04 88MB)<\/strong>\uff1a<br \/>\nJava \u7269\u4ef6\u7a7a\u9593\u3002\u5982\u679c\u5b83\u6301\u7e8c\u903c\u8fd1 Heap Size \u4e0a\u9650\uff0cART \u865b\u64ec\u6a5f\u5c31\u6703\u958b\u59cb\u760b\u72c2\u767c\u52d5 GC\uff0c\u63a5\u4e0b\u4f86\u5c31\u662f CPU \u98c6\u9ad8\u3001\u5e40\u7387\u65b7\u5d16\u5f0f\u4e0b\u8dcc\uff0c\u6700\u5f8c\u9001\u4f60\u4e00\u500b\u7d93\u5178\u7684 OOM\u3002<\/li>\n<li><strong>TOTAL PSS (\u7d04 200MB)<\/strong>\uff1a<br \/>\nPSS\uff08Proportional Set Size\uff09\u662f\u628a\u9032\u7a0b\u5171\u4eab\u7684\u8a18\u61b6\u9ad4\u4f9d\u6bd4\u4f8b\u5747\u6524\u5f8c\u7684\u771f\u5be6\u7269\u7406\u4f54\u7528\u3002\u9019\u500b\u6578\u5b57\u624d\u662f LMKD \u6c7a\u5b9a\u8981\u4e0d\u8981\u6bba\u4f60\u7684\u4f9d\u64da\u3002<\/li>\n<\/ol>\n<hr>\n<h2>\u7b2c\u4e09\u6b65\uff1aAndroid Studio Profiler\u2014\u2014\u7d66\u8001\u95c6\u770b\u8da8\u52e2\u7528\u7684\u5de5\u5177<\/h2>\n<p>Android Studio Profiler \u5f88\u9177\u70ab\uff0c\u6709\u5f69\u8272\u66f2\u7dda\u5716\u3001\u6709\u6642\u9593\u8ef8\uff0c\u975e\u5e38\u9069\u5408\u5728\u9031\u6703\u4e0a\u6295\u5f71\u51fa\u4f86\u5411\u8001\u95c6\u8b49\u660e\u300c\u9019\u5957\u7cfb\u7d71\u771f\u7684\u5feb\u88ab\u8a18\u61b6\u9ad4\u6490\u6b7b\u4e86\u300d\u3002<\/p>\n<p><img decoding=\"async\" src=\"..\/..\/assets\/images\/Android-%E8%A8%98%E6%86%B6%E9%AB%94%E8%AA%BF%E6%95%99-1.png\" alt=\"\"><\/p>\n<p>\u4f46\u5728\u786c\u6838\u6392\u969c\u6642\uff0c\u5b83\u771f\u6b63\u6709\u7528\u7684\u53ea\u6709\u5169\u62db\uff1a<\/p>\n<ul>\n<li><strong>Heap Dump<\/strong>\uff1a\u5728\u7279\u5b9a\u6642\u6a5f\u6293\u4e0b\u7576\u524d\u8a18\u61b6\u9ad4\u7684\u5feb\u7167\uff08.hprof\uff09\u3002\u6211\u7528\u9019\u62db\u6293\u51fa\u904e\u7121\u6578\u6b21\u707d\u96e3\u2014\u2014\u7d55\u5927\u591a\u6578\u90fd\u662f <code>byte[]<\/code> \u548c <code>ByteBuffer<\/code> \u5728\u641e\u9b3c\u3002\u76f8\u6a5f Callback \u6bcf\u79d2\u9001\u4f86 30 \u5f35 YUV \u5f71\u683c\uff0c\u53ea\u8981\u524d\u8655\u7406\u6d41\u7a0b\u624b\u8ce4\u6bcf\u6b21\u90fd <code>new byte[]<\/code>\uff0c\u5e7e\u79d2\u9418\u5c31\u80fd\u628a Java Heap \u5806\u6210\u5783\u573e\u5c71\u3002<\/li>\n<li><strong>Allocation Tracker<\/strong>\uff1a\u5373\u6642\u89c0\u5bdf\u662f\u54ea\u4e00\u884c\u4ee3\u78bc\u5728\u760b\u72c2\u914d\u7f6e\u8a18\u61b6\u9ad4\u3002\u5982\u679c\u770b\u5230\u5f71\u50cf\u8655\u7406\u8ff4\u5708\u88e1\u6bcf\u5e40\u90fd\u5728\u91cd\u65b0\u5efa\u7acb OpenCV \u7684 <code>Mat<\/code>\uff0c\u90a3\u5c31\u627e\u5230\u4e86\u8b93 GC \u6293\u72c2\u7684\u7f6a\u9b41\u798d\u9996\u3002<\/li>\n<\/ul>\n<hr>\n<h2>\u7b2c\u56db\u6b65\uff1asmaps \u986f\u5fae\u93e1\u2014\u2014\u63ea\u51fa Native \u8207 GPU \u5077\u5403\u5e7d\u9748<\/h2>\n<p>\u5982\u679c\u4f60\u78b0\u5230\u6700\u8a6d\u7570\u7684\u72c0\u6cc1\uff1a<strong>Profiler \u986f\u793a Java Heap \u5f88\u5065\u5eb7\uff0cdumpsys \u88e1\u7684 Native Heap \u4e5f\u6c92\u8d85\u6a19\uff0c\u4f46\u6574\u53f0\u8a2d\u5099\u7684 Free RAM \u537b\u50cf\u4e2d\u90aa\u4e00\u6a23\u6bcf\u79d2\u5c11 5MB\uff0c\u6700\u5f8c\u76f4\u63a5\u88ab LMKD \u64ca\u6583\u3002<\/strong><\/p>\n<p>\u9019\u6642\u5019\u4f60\u9762\u5c0d\u7684\u5c31\u662f\u6700\u96b1\u853d\u7684\u300c\u5806\u5916\u8a18\u61b6\u9ad4\u5e7d\u9748\u300d\u3002\u4f60\u5fc5\u9808\u52d5\u7528 Linux \u6838\u5fc3\u7d42\u6975\u6b66\u5668\uff1a<\/p>\n<pre><code class=\"language-bash\">adb shell cat \/proc\/$(pidof com.edge.ai.facegate)\/smaps\n<\/code><\/pre>\n<p>\u6bcf\u4e00\u6bb5 VMA\uff08\u865b\u64ec\u8a18\u61b6\u9ad4\u5340\u9593\uff09\u90fd\u6703\u5410\u51fa\u50cf\u9019\u6a23\u7684\u5fae\u89c0\u6578\u64da\uff1a<\/p>\n<pre><code class=\"language-text\">7f3e0000-7f3f0000 rw-p 00000000 00:00 0\nSize:               64 kB      # \u8a72\u8a18\u61b6\u9ad4\u5340\u584a\u865b\u64ec\u5927\u5c0f\nRss:                60 kB      # \u5be6\u969b\u4f54\u7528\u7684\u5be6\u9ad4\u8a18\u61b6\u9ad4\nPss:                30 kB      # \u5171\u4eab\u52a0\u6b0a\u5f8c\u7684\u5be6\u9ad4\u4f54\u7528\nShared_Dirty:        0 kB\nPrivate_Dirty:      60 kB      # \u5c08\u5c6c\u8a72\u9032\u7a0b\u4e14\u6709\u5beb\u5165\u7684\u79c1\u6709\u8a18\u61b6\u9ad4\uff08\u6d29\u6f0f\u5143\u5147\uff09\nReferenced:         60 kB      # \u6700\u8fd1\u88ab\u5b58\u53d6\u904e\u7684\u6d3b\u52d5\u9801\u9762\nAnonymous:          60 kB      # \u533f\u540d\u8a18\u61b6\u9ad4\uff08malloc \/ mmap \u7533\u8acb\u7684\u7121\u6a94\u6848\u7de9\u885d\u5340\uff09\nVmFlags: rd wr mr mw me ac\n<\/code><\/pre>\n<p>\u900f\u904e smaps \u4ea4\u53c9\u6bd4\u5c0d\uff0c\u4f60\u53ef\u4ee5\u7acb\u523b\u6293\u51fa\u4f4e\u968e Android \u7d42\u7aef\u6700\u5e38\u767c\u751f\u7684\u4e09\u5927\u8840\u6848\uff1a<\/p>\n<ol>\n<li><strong>\u76f8\u6a5f Buffer \u6d29\u6f0f<\/strong>\uff1a<code>Anonymous<\/code> \u5340\u584a\u760b\u72c2\u66b4\u885d\uff0c\u4f46\u5728 Java Profiler \u88e1\u5b8c\u5168\u96b1\u5f62\uff0c\u9019\u901a\u5e38\u662f\u76f8\u6a5f\u5e95\u5c64 HAL \u6216 BufferQueue \u7684\u74b0\u5f62\u968a\u5217\u5361\u6b7b\u3002<\/li>\n<li><strong>\u6a21\u578b Pre-load \u6d6a\u8cbb<\/strong>\uff1a<code>.so<\/code>\u3001<code>.apk<\/code>\u3001<code>.dex<\/code> \u6bb5\u5e38\u99d0\u4e86\u5e7e\u5341 MB\uff0c\u4e00\u67e5\u624d\u767c\u73fe\u88e1\u9762\u585e\u4e86\u65e9\u5c31\u6c92\u5728\u7528\u7684\u5ee2\u68c4\u6f14\u7b97\u6cd5\u6a21\u578b\u3002<\/li>\n<li><strong>ION \/ GPU \u5077\u5403<\/strong>\uff1a\u5982\u679c smaps \u88e1\u6709\u4e00\u5927\u584a\u8a18\u61b6\u9ad4\u88ab\u6a19\u8a18\u70ba\u9a45\u52d5\u6620\u5c04\uff0c\u4f46\u4f60\u7684\u6f14\u7b97\u6cd5\u660e\u660e\u6c92\u5728\u8dd1\uff0c\u90a3\u5c31\u662f\u76f8\u6a5f ISP \u6216 GPU \u9a45\u52d5\u6c92\u6709\u628a FrameBuffer \u6b78\u9084\u7d66\u7cfb\u7d71\u3002<\/li>\n<\/ol>\n<p>\u5982\u679c\u89ba\u5f97\u539f\u751f smaps \u592a\u9f90\u5927\u5f88\u96e3\u8089\u773c\u89e3\u6790\uff0c\u696d\u754c\u6709\u958b\u6e90\u7684\u8a18\u61b6\u9ad4\u5206\u6790\u8173\u672c\uff08\u4f8b\u5982\u9ad8\u898b\u9f8d\u7684 Android-App-Memory-Analysis\uff09\uff0c\u80fd\u76f4\u63a5\u5e6b\u4f60\u6309\u9032\u7a0b\u5f59\u6574 smaps\uff1a<br \/>\n<a href=\"https:\/\/github.com\/Gracker\/Android-App-Memory-Analysis\">https:\/\/github.com\/Gracker\/Android-App-Memory-Analysis<\/a><\/p>\n<hr>\n<h2>\u7d50\u8a9e\uff1a\u512a\u5316\u524d\u7684\u9748\u9b42\u62f7\u554f<\/h2>\n<p>\u628a\u9019\u5957\u8a55\u4f30\u5de5\u5177\u93c8\u8dd1\u904e\u4e00\u8f2a\u4e4b\u5f8c\uff0c\u4f60\u624b\u982d\u4e0a\u5fc5\u9808\u80fd\u7cbe\u78ba\u56de\u7b54\u9019\u56db\u500b\u6838\u5fc3\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u5230\u5e95\u662f Java \u5806\u7a4d\u3001Native \u5806\u7a4d\uff0c\u9084\u662f Graphics \u986f\u5b58\u4f54\u7528\u6700\u5927\uff1f<\/li>\n<li>\u8a18\u61b6\u9ad4\u662f\u4e0d\u65b7\u7dda\u6027\u4e0a\u5347\uff08\u6d29\u6f0f\uff09\uff0c\u9084\u662f\u6ce2\u6d6a\u72c0\u53cd\u8986\u9707\u76ea\uff08\u983b\u7e41\u914d\u7f6e\u8207 GC\uff09\uff1f<\/li>\n<li>\u6bcf\u4e00\u5e40\u5f71\u50cf\u9032\u4f86\uff0c\u5230\u5e95\u6709\u6c92\u6709\u984d\u5916\u7522\u751f\u7121\u6548\u7684\u5783\u573e\u7269\u4ef6\uff1f<\/li>\n<li>\u7576\u524d Free RAM \u7684\u8ddd\u96e2\uff0c\u96e2 LMKD \u7684\u7d05\u7dda\u9084\u6709\u591a\u5c11 MB \u5b89\u5168\u88d5\u5ea6\uff1f<\/li>\n<\/ul>\n<p>\u641e\u6e05\u695a\u5e33\u55ae\u4e0a\u7684\u6bcf\u4e00\u7b46\u958b\u92b7\uff0c\u6211\u5011\u4e0b\u4e00\u7bc7\u5c31\u53ef\u4ee5\u6b63\u5f0f\u62ff\u8d77\u624b\u8853\u5200\uff0c\u5f9e\u80a5\u5927\u7684 AOSP \u7cfb\u7d71\u670d\u52d9\u958b\u59cb\u5927\u5200\u95ca\u65a7\u5243\u9aa8\u62bd\u8102\u3002<\/p>\n<p><strong>\u8a18\u4f4f\uff1a\u4e0d\u61c2\u91cf\u6e2c\u7684\u512a\u5316\u53eb\u4f5c\u6cd5\uff0c\u6709\u6578\u64da\u7684\u4e0b\u5200\u624d\u53eb\u5de5\u7a0b\u3002<\/strong><\/p>\n<hr>\n<h3>\u53c3\u8003\u8cc7\u6599 (References)<\/h3>\n<ol>\n<li>Android \u5b98\u65b9\u8a18\u61b6\u9ad4\u7ba1\u7406\u6307\u5357: <a href=\"https:\/\/developer.android.com\/topic\/performance\/memory\">https:\/\/developer.android.com\/topic\/performance\/memory<\/a><\/li>\n<li>AOSP MemInfoDumpTruck \u6e90\u78bc\u5be6\u4f5c: <a href=\"https:\/\/android.googlesource.com\/platform\/frameworks\/base\/+\/master\/services\/core\/java\/com\/android\/server\/am\/MemInfoDumpTruck.java\">https:\/\/android.googlesource.com\/platform\/frameworks\/base\/+\/master\/services\/core\/java\/com\/android\/server\/am\/MemInfoDumpTruck.java<\/a><\/li>\n<li>Linux ION Memory Allocator \u6a5f\u5236: <a href=\"https:\/\/elinux.org\/Android_ION\">https:\/\/elinux.org\/Android_ION<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u9084\u6c92\u8a55\u4f30\uff0c\u5225\u8ac7\u512a\u5316<\/p>\n<p>\u6211\u5011\u4e0d\u662f\u5728\u505a\u624b\u6a5f App\uff0c\u4e0d\u9700\u8981\u5207 app\u3001\u6ed1\u756b\u9762\u3001\u9ad4\u9a57\u9806\u9806\u7684\u3002 \u6211\u5011\u505a\u7684\u662f\u4e00\u53f0\u4eba\u81c9\u8fa8\u8b58\u6a5f\uff0c\u958b\u6a5f\u5c31\u8dd1\u6a21\u578b\uff0c\u6a21\u578b\u5c31\u8981\u6d3b\u3002<\/p>\n<p>\u800c\u4f60\u624b\u4e0a\u662f\u4e00\u53f0 2GB RAM \u7684 Android 10 \u88dd\u7f6e\uff0c\u7cfb\u7d71\u4e00\u958b\u6a5f\u5c31\u5403\u6389 1.3GB\uff0c\u5269\u4e0b\u4e0d\u5230 700MB \u80fd\u7528\u3002 \u4f60\u653e\u500b\u96d9\u93e1\u982d stream\u3001TFLite \u6a21\u578b\u3001\u518d\u52a0\u6d3b\u9ad4\u6aa2\u6e2c\uff0c\u9435\u5b9a\u7206\u70b8\u3002 \u4f46\u7206\u4e0d\u7206\uff0c\u4e0d\u662f\u770b\u5fc3\u60c5\uff0c\u662f\u770b\u6578\u64da\u3002<\/p>\n","protected":false},"author":1,"featured_media":1260,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[166],"tags":[188,217,233,270],"_links":{"self":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/461"}],"collection":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=461"}],"version-history":[{"count":24,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/461\/revisions"}],"predecessor-version":[{"id":1391,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/461\/revisions\/1391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/media\/1260"}],"wp:attachment":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}