{"id":3450,"date":"2025-10-14T21:58:44","date_gmt":"2025-10-14T13:58:44","guid":{"rendered":"http:\/\/blog.coolcoding.cn\/?p=3450"},"modified":"2025-10-14T21:58:44","modified_gmt":"2025-10-14T13:58:44","slug":"ue-%e5%a6%82%e4%bd%95%e5%ba%94%e5%af%b9cpu%e5%b8%a7%e7%8e%87%e7%93%b6%e9%a2%88%e5%92%8c%e5%8d%a1%e9%a1%bf","status":"publish","type":"post","link":"https:\/\/blog.coolcoding.cn\/?p=3450","title":{"rendered":"UE \u5982\u4f55\u5e94\u5bf9CPU\u5e27\u7387\u74f6\u9888\u548c\u5361\u987f"},"content":{"rendered":"\n<p><a href=\"https:\/\/mp.weixin.qq.com\/s\/CMq-SS5a-T2JXjMKjTNNUA\">https:\/\/mp.weixin.qq.com\/s\/CMq-SS5a-T2JXjMKjTNNUA<\/a><\/p>\n\n\n\n<p> CPU\u4e0a\u5e27\u7387\u4f4e\u548c\u5361\u987f\u662f\u6027\u80fd\u4f18\u5316\u4e2d\u6700\u6613\u51fa\u73b0\u7684\u4e00\u90e8\u5206\uff0c\u5c24\u5176\u5bf9\u4e8e\u624b\u6e38\uff0c\u63d0\u5230\u5361\uff0c\u5c31\u5927\u6982\u7387\u662f\u5728CPU\u4e0a\u51fa\u73b0\u7684\u95ee\u9898\uff0cCPU\u4e0a\u7684\u5361\u987f\u4e00\u822c\u662f\u5361\u903b\u8f91\u6216\u662f\u5361\u6e32\u67d3\uff0c\u672c\u7bc7\u5c06\u8be6\u7ec6\u7cfb\u7edf\u7684\u4ecb\u7ecd\u57fa\u4e8eUE\u7684\u624b\u6e38\u5bf9CPU\u74f6\u9888\u7684\u5256\u6790\u65b9\u6cd5\u3002 <\/p>\n\n\n\n<p>\u4f4e\u5e27\u7387\u548c\u5361\u987f\u9996\u5148\u4f4e\u5e27\u7387\u548c\u5361\u987f\u662f\u4e24\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u74f6\u9888\u7c7b\u578b\uff0c\u867d\u7136\u5f52\u6839\u5230\u5e95\u90fd\u662f\u67d0\u4e2a\u51fd\u6570\u6267\u884c\u7684\u8fc7\u6162\u5f15\u8d77\u7684\uff0c\u4f46\u662f\u5b9a\u4f4d\u548c\u89e3\u51b3\u65b9\u6cd5\u5e76\u4e0d\u4e00\u6837\u3002\u4f4e\u5e27\u7387\u74f6\u9888\u662f\u9700\u8981\u7edf\u8ba1\u4e00\u6bb5\u65f6\u95f4\u5185CPU\u628a\u66f4\u591a\u7684\u65f6\u949f\u8017\u8d39\u5728\u4e86\u54ea\u4e9b\u51fd\u6570\u4e0a\uff0c\u6216\u7edf\u8ba1\u4e00\u6bb5\u65f6\u95f4\u5185\u5404\u4e2a\u51fd\u6570\u5360\u7528\u7684CPU\u65f6\u95f4\u767e\u5206\u6bd4\uff0c\u627e\u5230\u767e\u5206\u6bd4\u9ad8\u7684\u5c06\u5176\u4f18\u5316\uff0c\u5c31\u4f1a\u4f7f\u5e27\u7387\u5f97\u5230\u6574\u4f53\u7684\u63d0\u9ad8\u3002\u5361\u987f\u5219\u662f\u5728\u4e00\u5e27\u7684\u4e00\u6b21\u8fd0\u884c\u5185\u67d0\u6bb5\u4ee3\u7801\u7684\u8fd0\u884c\u4ea7\u751f\u4e86\u6bd4\u5e73\u5747\u60c5\u51b5\u660e\u663e\u7684\u957f\u65f6\u95f4\uff0c\u9700\u8981\u5b9a\u4e49\u8fd9\u6bb5\u4ee3\u7801\u7684\u8d77\u59cb\u70b9\uff0c\u5206\u522b\u8fdb\u884c\u8ba1\u65f6\uff0c\u7136\u540e\u5728\u8fde\u7eed\u7684\u7edf\u8ba1\u6570\u636e\u4e2d\u627e\u5230\u5cf0\u503c\u3002\u7b80\u5355\u6765\u8bf4\u5e27\u7387\u74f6\u9888\u662f\u7edf\u8ba1\u5e73\u5747\u7684CPU\u5360\u7528\uff0c\u800c\u5361\u987f\u662f\u627e\u5cf0\u503c\u3002<br><\/p>\n\n\n\n<p>\u4f4e\u5e27\u7387\u74f6\u9888\u2014\u5e73\u5747CPU\u5360\u7528<br>\u5bf9\u4e8eUE\u7a0b\u5e8f\uff0c\u6211\u4eec\u901a\u5e38\u6709\u4e0b\u9762\u4e00\u4e9b\u65b9\u6cd5\u53bb\u627e\u5230\u51fd\u6570\u7684\u5e73\u5747CPU\u5360\u7528\u3002\u4e00\u79cd\u662f\u57fa\u4e8eUE\u5185\u7f6e\u7684stat\u673a\u5236\uff0c\u53e6\u4e00\u7c7b\u662f\u57fa\u4e8e\u5404\u79cd\u5e73\u53f0\u76f8\u5173\u5de5\u5177\u3002&nbsp;<\/p>\n\n\n\n<p><strong>UE\u7684stat\u673a\u5236<\/strong><\/p>\n\n\n\n<p>UE\u81ea\u5df1\u7684stat\u673a\u5236\u662f\u4e00\u79cd\u57fa\u4e8e\u57cb\u70b9\u7684\u673a\u5236\uff0c\u5373\u901a\u8fc7\u5728\u4e00\u6bb5\u903b\u8f91\u524d\u540e\u663e\u793a\u7684\u589e\u52a0\u6807\u7b7e\u6765\u5f55\u5f97\u8fd9\u6bb5\u65f6\u95f4\u8fd9\u4e2a\u6807\u7b7e\u5185\u903b\u8f91\u7684\u8fd0\u884c\u65f6\u95f4\u3002\u7136\u540e\u5229\u7528UE\u7684frontend\u53ef\u89c6\u5316\u6240\u6709\u6253\u4e86\u6807\u7b7e\u7684\u51fd\u6570\u7684\u8fd0\u884c\u65f6\u95f4\u66f2\u7ebf\u3002\u8fd9\u4e2a\u57fa\u4e8e\u57cb\u70b9\u7684\u673a\u5236\u7684\u597d\u5904\u662f\uff1a\u4e0d\u4ec5\u53ef\u4ee5\u770b\u5230\u5e73\u5747CPU\u5360\u7528\uff0c\u4e5f\u80fd\u770b\u5230\u5cf0\u503c\u3002\u7f3a\u70b9\u5c31\u662f\u9700\u8981\u4eba\u5de5\u6253\u6807\u7b7e\uff0c\u4f60\u9700\u8981\u4e0d\u65ad\u7684\u7ec6\u5206\u4e00\u4e9b\u6807\u7b7e\u53bb\u627e\u5230\u74f6\u9888\u3002\u8be6\u7ec6\u7684Stat\u53c2\u8003\u6587\u6863\u5305\u62ec\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/docs.unrealengine.com\/en-US\/Engine\/Performance\/StatCommands\/index.html\">https:\/\/docs.unrealengine.com\/en-US\/Engine\/Performance\/StatCommands\/index.html<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/docs.unrealengine.com\/en-US\/Engine\/Performance\/Profiler\/index.html\">https:\/\/docs.unrealengine.com\/en-US\/Engine\/Performance\/Profiler\/index.html<\/a><\/p>\n\n\n\n<p><strong>Stat\u7684\u4ee3\u7801\u673a\u5236\u662f\u8fd9\u6837\u8fd0\u4f5c\u7684\uff1a<\/strong><\/p>\n\n\n\n<p>\u9996\u5148UE\u6709\u5f88\u591a\u79cd\u7c7b\u578b\u7684stat\uff0c\u6d4b\u8bd5CPU\u8fd0\u884c\u65f6\u95f4\u7684stat\u53eb\u505acycle stat\u3002\u5178\u578b\u7684\u4f7f\u7528\u5206\u4e09\u6b65\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\u6b65\uff1a\u6bcf\u4e2astat\u4e00\u5b9a\u5b58\u5728\u4e8e\u4e00\u4e2astat group\u91cc\uff0c\u9700\u8981\u901a\u8fc7\u4e0b\u9762\u5b8f\u5148\u5b9a\u4e49\u4e00\u4e2astat group\u3002<\/p>\n\n\n\n<p><strong>DECLARE_STAT_GROUP(Description, StatName, StatCategory, InDefaultEnable, InCompileTimeEnable, InSortByName)<\/strong><\/p>\n\n\n\n<p>\u8fd9\u91cc\u7684InDefaultEnable\u8868\u793a\u662f\u5426\u9ed8\u8ba4\u5f00\u542f\uff0c\u9ed8\u8ba4\u4e0d\u5f00\u542f\u7684\u8bdd\u9700\u8981\u5728\u8fd0\u884c\u65f6\u901a\u8fc7 stat group enable StatNamel\u6765\u52a8\u6001\u5f00\u542f\u3002\u8fd9\u4e2a\u5b8f\u4f1a\u5b9a\u4e49\u4e00\u4e2aFStatGroup_StatName\u7684\u7ed3\u6784\u4f53\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u6b65\uff1a\u5b9a\u4e49\u4e00\u4e2acycle stat\uff0c\u901a\u8fc7\u5b8f<strong>DECLARE_CYCLE_STAT(CounterName,StatId,GroupId)<\/strong>\uff0c\u8fd9\u91cc\u7684groupid\u5c31\u662f\u4e4b\u524d\u5b9a\u4e49\u7684group\u7684statname\u3002\u8fd9\u4e2a\u5b8f\u5176\u5b9e\u662f\u8c03\u7528\u4e00\u4e2a\u66f4\u52a0\u901a\u7528\u7c7b\u578bstat\u7684\u58f0\u660eDECLARE_STAT(Description, StatName, GroupName, StatType, bShouldClearEveryFrame, bCycleStat, MemoryRegion)\uff0c\u5b83\u4f1a\u5b9a\u4e49\u4e00\u4e2aFStat__StatId\u7684\u7ed3\u6784\u4f53\uff0c\u5e76\u540c\u65f6\u58f0\u660e\u4e00\u4e2a\u5168\u5c40\u7684FThreadSafeStaticStat&lt;FStat__StatId&gt;\u53d8\u91cfStatPtr_StatId\uff0c\u8fd9\u4e2a\u53d8\u91cf\u6709\u4e2a\u4e3b\u8981\u7684\u4f5c\u7528\u662f\u9ad8\u6548\u7387\u7684\u901a\u8fc7getstatid\uff08\uff09\u63a5\u53e3\u8fd4\u56de\u67d0\u4e2a\u7ed9\u5b9a\u540d\u5b57\u7684statid\u7684\u5168\u5c40\u552f\u4e00\u7684FStat__StatId\u5b9e\u4f8b\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\u6b65\uff1a\u6d4b\u91cf\uff0c\u5b9a\u4e49\u597d\u4e4b\u540e\u53ef\u4ee5\u5728\u4e00\u6bb5\u4ee3\u7801\u7684\u4f5c\u7528\u57df\u5f00\u59cb\u5904\u52a0\u5165<strong>SCOPE_CYCLE_COUNTER(StatId)<\/strong>\uff0c\u5b83\u4f1a\u4e3a\u5f53\u524d\u4f5c\u7528\u57df\u7684\u524d\u540e\u57cb\u70b9\uff0c\u8fd9statid\u4f1a\u7528\u6765\u7edf\u8ba1\u8fd9\u4e2a\u4f5c\u7528\u57df\u5904\u7684CPU\u65f6\u95f4\u5f00\u9500\uff0c\u5176\u5b9e\u5b83\u83b7\u53d6\u5230\u5168\u5c40\u7684\u8fd9\u4e2aFStat__StatId\u7528\u5176\u6784\u9020\u4e86\u4e00\u4e2aFScopeCycleCounter\u7684\u4e34\u65f6\u53d8\u91cf\uff0c\u5b83\u7ee7\u627f\u81eaFCycleCounter\uff0c\u5b83\u662f\u4e2a\u57fa\u4e8escope\u7684\u53d8\u91cf\uff0c\u5728\u6784\u9020\u7684\u65f6\u5019\u4f1a\u8c03\u7528FCycleCounter\u7684start\uff0cstart\u5c31\u4f1a\u5f00\u59cb\u8bbe\u5b9a\u8fd9\u4e2aFStat__StatId\u7684\u7edf\u8ba1\uff0c\u800c\u6790\u6784\u7684\u65f6\u5019\u4ed6\u8c03\u7528FCycleCounter\u7684stop\u6765\u505c\u6b62\u6536\u96c6\u3002<\/p>\n\n\n\n<p>\u6240\u8c13\u6536\u96c6\u7684\u8fc7\u7a0b\u5c31\u662f\u8c03\u7528<strong>FThreadStats::AddMessage<\/strong>( StatName, EStatOperation::CycleScopeStart )\u901a\u77e5stat\u7ebf\u7a0b\u53bb\u8fdb\u884c\u4e00\u4e2a\u7ed9\u5b9a\u540d\u5b57\u7684cycle\u4e8b\u4ef6\u7684\u6536\u96c6\uff0c\u7ed3\u675f\u5219\u662f\u8c03\u7528\u7684FThreadStats::AddMessage(StatId, EStatOperation::CycleScopeEnd)\u3002FThreadStats::AddMessage\u662f\u771f\u6b63\u6700\u7ec8\u8ba9UE\u505a\u6027\u80fd\u7edf\u8ba1\u7684\u63a5\u53e3\uff0c\u800c\u524d\u9762\u5b9a\u4e49\u7684stat group\u548cstat id\u5219\u662f\u4e0a\u5c42\u7684\u5c01\u88c5\uff0c\u4f60\u5b8c\u5168\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528FThreadStats::AddMessage\u53bb\u7ed9UE\u589e\u52a0\u4e00\u4e2a\u7edf\u8ba1\uff0c\u4f46\u662f\u8fd9\u4e2a\u53ea\u4f1a\u8bb0\u5f55\u5728\u7edf\u8ba1\u6587\u4ef6\u91cc\uff0c\u4e0d\u80fd\u50cfstat group\u90a3\u6837\u4f7f\u7528\u63a7\u5236\u53f0\u6307\u4ee4\u5b9e\u65f6\u6253\u5370\u5728\u6e38\u620f\u754c\u9762\u4e0a\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u9762\u9664\u4e86\u4e0a\u9762\u8fd9\u79cd\u6700\u5e38\u89c4\u7684\u5b9a\u4e49\u4e00\u4e2aCPU\u65f6\u95f4\u7edf\u8ba1\u7684\u65b9\u6cd5\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u6709\u7528\u7684\u5b8f\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p><strong>QUICK_SCOPE_CYCLE_COUNTER(Stat)<\/strong>\uff1a\u4e0d\u9700\u8981\u4f60\u4e8b\u5148\u58f0\u660e\u4e00\u4e2agroup\uff0c\u4e5f\u4e0d\u9700\u8981\u4e8b\u5148\u58f0\u660e\u4e00\u4e2astatid\uff0c\u7528\u8fd9\u4e2astat\u540d\u5b57\u4f5c\u4e3astatid\uff0c\u5728STATGROUP_Quick\u91cc\u9762\u5b9a\u4e49\u4e00\u4e2acycle\u7684\u7edf\u8ba1\u3002<\/p>\n\n\n\n<p><strong>DECLARE_SCOPE_CYCLE_COUNTER(CounterName,Stat,GroupId)<\/strong>\uff1a\u58f0\u660e\u4e00\u4e2a\u5728groupid\u7ec4\u4e0b\u7684\u53eb\u505acountername\u7684statid\uff0c\u5e76\u4e14\u7acb\u5373\u542f\u52a8\u4e00\u4e2a\u5b83\u7684scopecyclecounter\uff0c\u8fd9\u4e5f\u662f\u4e00\u4e2a\u5728\u4ee3\u7801\u91cc\u5feb\u6377\u52a0cycle \u7edf\u8ba1\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><strong>DECLARE_STATS_GROUP_VERBOSE<\/strong>\uff1a\u58f0\u660e\u4e00\u4e2a\u9ed8\u8ba4\u4e0d\u88abenable\u7684\u7ec4\u3002<\/p>\n\n\n\n<p><strong>CONDITIONAL_SCOPE_CYCLE_COUNTER(Stat,bCondition)<\/strong>\uff1a\u53ea\u6709\u5728bCondition\u4e3atrue\u7684\u60c5\u51b5\u4e0b\u624d\u7edf\u8ba1\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\u53ef\u4ee5\u5b9a\u4e49\u4e0a\u9762\u9664\u4e86int\u7c7b\u578b\u4e4b\u5916\u7684cycle counter\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u5176\u4ed6\u7c7b\u578b\uff0c\u4f7f\u7528<\/p>\n\n\n\n<p><strong>DECLARE_FLOAT_COUNTER_STAT<\/strong><\/p>\n\n\n\n<p><strong>DECLARE_DWORD_COUNTER_STAT<\/strong><br><\/p>\n\n\n\n<p>\u6b64\u5916cycle counter\u8fd8\u53ef\u4ee5\u4f7f\u7528\u7d2f\u8ba1\u6a21\u5f0f\uff0c\u5373\u6bcf\u5e27\u4e0d\u6e05\u7a7a\uff0c\u5373\u7edf\u8ba1\u7684\u662f\u5230\u5f53\u524d\u4e3a\u6b62\u7684\u7d2f\u8ba1\u503c\uff0c\u4f7f\u7528<strong>DECLARE_FLOAT_ACCUMULATOR_STAT<\/strong>\u8fd9\u6837\u7684\u5b8f\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u5bf9cpu cycle\u7684\u7edf\u8ba1\u4e4b\u5916\uff0cstat\u7cfb\u7edf\u8fd8\u53ef\u4ee5\u7edf\u8ba1\u5176\u4ed6\u4e00\u4e9b\u6307\u6807\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<p><strong>DECLARE_MEMORY_STAT<\/strong>\u5c06\u58f0\u660e\u4e00\u4e2aint64\u7684\u7d2f\u8ba1\u7684\u8ba1\u6570\u5668\uff0c\u901a\u5e38\u7528\u4e8e\u7edf\u8ba1\u5185\u5b58\uff0c\u8fd9\u79cdstatid\u901a\u5e38\u4e0d\u7528cycle count\u90a3\u79cd\u5b9a\u4e49FScopeCycleCounter\u6765\u4f7f\u7528\uff0c\u800c\u662f\u76f4\u63a5\u5728\u4ee3\u7801\u91cc\u5229\u7528INC_MEMORY_STAT_BY\/DEC_MEMORY_STAT_BY\u6765\u624b\u52a8\u52a0\u51cf\uff0c\u5b83\u5176\u5b9e\u76f8\u5f53\u4e8e\u8c03\u7528FThreadStats::AddMessage\uff08\uff09\u7ed9\u4ed6\u53d1\u4e00\u4e2aEStatOperation::Add\/substrct\u6d88\u606f\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u6240\u6709stat\u90fd\u53ef\u4ee5\u8c03\u7528\u8fd9\u4e2a\u624b\u52a8\u52a0\u51cf\u7684\u63a5\u53e3\uff0c\u751a\u81f3\u8fd8\u6709\u76f4\u63a5\u8bbe\u7f6e\u6bcf\u4e2astat\u7684\u5f53\u524d\u6570\u503c\u7684\u63a5\u53e3SET_DWORD_STAT_FName\u3002<\/p>\n\n\n\n<p>\u4e0a\u9762\u5217\u4e3e\u4e86\u5404\u79cd\u773c\u82b1\u7f2d\u4e71\u7684stat\u5b9a\u4e49\u65b9\u6cd5\uff0c\u4f46\u662f\u5176\u5b9e\u8fd9\u4e9b\u591a\u79cd\u591a\u6837\u7684\u7edf\u8ba1\u5b8f\u7684\u80cc\u540e\u7684\u673a\u5236\u662f\u7b80\u5355\u7eaf\u7cb9\u7684\uff0c\u5c31\u662f\u5728\u5404\u79cd\u4f7f\u7528\u8fd9\u4e2a\u5b8f\u5b9a\u4e49\u3002<\/p>\n\n\n\n<p><strong>DECLARE_STAT(Description, StatName, GroupName, StatType, bShouldClearEveryFrame, bCycleStat, MemoryRegion)<\/strong>\u548c<strong>FThreadStats::AddMessage<\/strong>\uff08\uff09\u8fd9\u4e24\u4e2a\u673a\u5236\u3002\u628a\u8fd9\u4e2a\u673a\u5236\u62bd\u8c61\u8d77\u6765\uff0c\u53ef\u4ee5\u8fd9\u6837\u63cf\u8ff0\uff1a<\/p>\n\n\n\n<p>1.\u9996\u5148\u5728STAT\u7cfb\u7edf\u5b9a\u4e49\u4e86\u4e00\u79cd\u8ba1\u6570\u5668\uff0c\u901a\u8fc7\u4e0a\u9762DECLARE_STAT\u8fd9\u4e2a\u5b8f\u53bb\u751f\u6210\u4e00\u4e2a\u53eb\u505aFStat_##StatName\u7684\u8ba1\u6570\u5668\u7684\u7c7b\u578b\uff0c\u8fd9\u4e2a\u7c7b\u578b\u8981\u8fd4\u56de\u4e00\u4e9b\u63a5\u53e3\uff0c\u7528\u6765\u63cf\u8ff0\uff1aGroupName-\u5c5e\u4e8e\u54ea\u4e2a\u7ec4\uff0cStatType-\u8ba1\u6570\u5668\u7684\u6570\u636e\u7c7b\u578b\uff0cbShouldClearEveryFrame-\u662f\u5426\u6bcf\u5e27\u6e05\u7a7a\uff0c\u8fd8\u662f\u7d2f\u52a0\uff0cbCycleStat-\u662f\u5426\u7528\u6765\u7edf\u8ba1cpu cycle\uff0cMemoryRegion-\u662f\u5426\u662f\u5bf9memory\u7684\u7edf\u8ba1\uff0c\u5982\u679c\u662f\u7edf\u8ba1\u7684mem\u7c7b\u578b\u662f\u4ec0\u4e48\u3002<\/p>\n\n\n\n<p>2.\u5b9a\u4e49\u4e00\u4e2a\u901a\u5e38\u662f\u5168\u5c40\u7684FThreadSafeStaticStat&lt;FStat_##Stat&gt;StatPtr_##Stat\u6765\u65b9\u4fbf\u7684\u83b7\u53d6\u67d0\u4e2astat \u540d\u5b57\u7684statid\u8ba1\u6570\u5668\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>3.\u4f7f\u7528FThreadStats::AddMessage(FNameInStatName, EStatOperation::TypeInStatOperation )\u8fd9\u4e2a\u673a\u5236\u53bb\u64cd\u7eb5\u67d0\u4e2astat\u8ba1\u6570\u5668\u7684\u503c\u3002InStatName\u5c31\u662f\u8fd9\u91cc\u7684stat\u7684\u540d\u5b57\uff0cInStatOperation\u5305\u62ec\u7684\u64cd\u4f5c\u5305\u62ec\uff1aCycleScopeStart\u548cCycleScopeEnd -\u5c06\u8fd9\u6bb5\u65f6\u95f4\u5185\u7684CPU\u65f6\u95f4ms\u8bb0\u5f55\u4e0b\u6765\u52a0\u5230\u8ba1\u6570\u5668\u91cc, Set-\u76f4\u63a5\u8bbe\u7f6e\u8ba1\u6570\u5668\u7684\u503c\uff0cClear-\u6e05\u7a7a\u8ba1\u6570\u5668\u7684\u503c\uff0cAdd-\u589e\u52a0\u8ba1\u6570\u5668\u7684\u503c\uff0cSubtract-\u51cf\u5c11\u8ba1\u6570\u5668\u7684\u503c\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4e0a\u9762\u7684\u5404\u79cd\u5b8f\u53ea\u662f\u5bf9\u4e0a\u9762\u8fd9\u4e09\u4e2a\u6b65\u9aa4\u7684\u5404\u79cd\u7b80\u5316\u5c01\u88c5\u3002<\/p>\n\n\n\n<p>Stat\u7cfb\u7edf\u7ed9\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u4e2a\u57fa\u4e8e\u57cb\u70b9\u7684\u7edf\u8ba1\u51fd\u6570CPU\u65f6\u95f4\u7684\u673a\u5236\uff0c\u5b83\u5f88\u5f3a\u5927\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7stat group\u53bb\u52a8\u6001\u770b\u5230\u8fd9\u4e9b\u65f6\u95f4\uff08\u90a3\u4e9b\u9ed8\u8ba4enable\u7684\uff09\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7UE\u7684profilor\u53bb\u770b\u5404\u4e2a\u8ba1\u6570\u5668\u7684\u65f6\u95f4\u66f2\u7ebf\u3002\u4f46\u662f\u5f88\u591a\u65f6\u5019\u5f53\u6211\u4eec\u4e0d\u80fd\u9884\u611f\u5230\u54ea\u91cc\u4f1a\u6709\u74f6\u9888\u7684\u65f6\u5019\uff0c\u5373\u4e0d\u77e5\u9053\u5728\u54ea\u91cc\u57cb\u70b9\u7684\u65f6\u5019\uff0c\u5c31\u9700\u8981\u66f4\u901a\u7528\u4e00\u4e9b\u7684\u673a\u5236\u3002\u5c31\u4f9d\u6258\u4e00\u4e9b\u5e73\u53f0\u7684\u5de5\u5177\u4e86\u3002<\/p>\n\n\n\n<p><strong>\u5e73\u53f0\u5de5\u5177XCode\u7684counter<\/strong><br>counter\u662fxcode\u5728instrument\u91cc\u9762\u7684\u4e00\u4e2a\u5de5\u5177\uff0c\u4ed6\u53ef\u4ee5\u8bb0\u5f55CPU\u4e0a\u6bcf\u4e2a\u7ebf\u7a0b\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u5404\u4e2a\u51fd\u6570\u7684CPU\u5360\u7528\u65f6\u95f4\u6bd4\uff0c\u5bf9\u4e8eios\u7cfb\u7edf\u6765\u8bf4\uff0c\u8fd9\u4e2a\u662f\u8861\u91cfCPU\u5e27\u7387\u74f6\u9888\u7684golden rule\u3002Counter\u770b\u5230\u7684\u5177\u4f53\u5185\u5bb9<\/p>\n\n\n\n<p> \u5982\u4f55\u4eceCounter\u6765\u63a8\u6d4b\u51fa\u6bcf\u4e2a\u51fd\u6570\u7684\u6bcf\u5e27\u5177\u4f53\u65f6\u95f4\u5f00\u9500\u5462\uff1fCounter\u7ed9\u7684\u662f\u4e00\u4e2aCPU\u7684\u65f6\u95f4\u5360\u6bd4\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u770b\u5230\u5177\u4f53gamethread\u5360\u7528CPU\u7684\u65f6\u95f4\u6bd4r\uff0c\u7136\u540e\u4eceUE\u7684stat unit\u5f97\u5230gamethread\u7684\u6bcf\u5e27\u65f6\u95f4t\uff0c\u7136\u540e\u5bf9\u4e8e\u4e00\u4e2a\u5177\u4f53\u51fd\u6570\u5b83\u7684CPU\u65f6\u95f4\u5360\u6bd4\u5982\u679c\u662fb\uff0c\u90a3\u4e48\u8fd9\u4e2a\u51fd\u6570\u5e73\u5747\u6bcf\u5e27\u7684\u6267\u884c\u65f6\u95f4\u5c31\u662ft*b\/r.\u00a0<strong>Android Studio\u7684profiler<\/strong><\/p>\n\n\n\n<p><br>Android Studio3.0\u4ee5\u4e0a\u7684profiler\u5f88\u5f3a\u5927\uff0c\u5982\u679cdevice\u662f8.0\u4ee5\u4e0a\u7684android\u7cfb\u7edf\uff0c\u90a3\u4e48\u5c06\u53ef\u4ee5\u7528profilor capture\u4e00\u6bb5\u65f6\u95f4\u7684c++\u5373android trace\u3002\u7136\u540e\u53ef\u4ee5\u4ece\u56fe\u8868\u4e2d\u770b\u5230\u5f53\u524d\u6bcf\u4e2athread\u4e2d\u6bcf\u4e2a\u51fd\u6570\u7684CPU\u5360\u7528\u65f6\u95f4\u6bd4\uff0c\u6267\u884c\u6b21\u6570\uff0c\u7b49\u7b49 <\/p>\n\n\n\n<p>  \u8fd8\u53ef\u4ee5\u770b\u5230\u5177\u4f53\u7684\u6bcf\u4e2a\u7ebf\u7a0b\u6bcf\u4e2a\u51fd\u6570\u6267\u884c\u7684\u65f6\u5e8f <\/p>\n\n\n\n<p> \u901a\u8fc7\u8fd9\u4e2aprofiler\u4e0d\u4ec5\u53ef\u4ee5\u50cfxcode\u7684counter\u4e00\u6837\u83b7\u53d6\u6240\u6709c++\u51fd\u6570\u7684\u6bcf\u5e27\u6267\u884c\u65f6\u95f4\uff0c\u627e\u5230\u70ed\u70b9\u51fd\u6570\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4ecethead\u7684\u6267\u884c\u65f6\u8bb8\u4e0a\u76f4\u89c2\u770b\u5230\u591a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u51fd\u6570\u6267\u884c\u5173\u7cfb\uff0c\u591a\u7ebf\u7a0b\u7684\u6267\u884c\u72b6\u6001\u662f\u5426\u5408\u7406\uff0c\u6bd4\u5982\u770b\u5230game\u7ebf\u7a0b\u5728\u67d0\u4e2a\u5730\u65b9\u9700\u8981\u7b49\u5f85\u5f88\u4e45\u67d0\u4e2awork\u7ebf\u7a0b\u5b8c\u6210\uff0c\u90a3\u4e48\u53ef\u4ee5\u5c1d\u8bd5\u628awork\u518d\u5206\u5e76\u884c\uff0c\u6216\u8005\u8c03\u6574\u67d0\u4e9b\u65e0\u5173\u7684\u4e8b\u60c5\u63d0\u524d\uff0c\u8ba9game\u7b49\u8fd9\u4e2awork\u7684\u540c\u65f6\u5728\u505a\u4e00\u4e9b\u522b\u7684\u5de5\u4f5c\uff0c\u4e0d\u8981\u5e72\u7b49\u3002\u00a0<strong>Android NDK\u7684simpleperf<\/strong><br>\u5bf9\u4e8e\u4f4e\u7248\u672c\u65e0\u6cd5\u4f7f\u7528android studio profiler\u8c03\u8bd5\u7684\u53ef\u4ee5\u4f9d\u8d56Android sdk\u91cc\u9762\u7684\u53e6\u5916\u4e24\u4e2a\u6709\u7528\u7684\u5de5\u5177\uff0c\u4e00\u4e2a\u662fNDK\u7684simpleperf\uff0c\u5b83\u53ef\u4ee5\u8c03\u8bd5\u83b7\u53d6c++\u5c42\u6bcf\u4e2a\u51fd\u6570\u7684CPU\u5360\u7528\u767e\u5206\u6bd4\uff0c\u9664\u4e86\u9700\u8981\u7528\u547d\u4ee4\u884c\u5e76\u4e14\u8f93\u51fa\u7684\u683c\u5f0f\u6ca1\u90a3\u4e48\u597d\u770b\u4e4b\u5916\uff0c\u540cstudio\u7684profilor\u80fd\u62ff\u5230\u7684\u7ed3\u679c\u662f\u5dee\u4e0d\u591a\u7684\u3002<br>Simpleperf\u7684\u5b8c\u5168\u4f7f\u7528\u6587\u6863\u5728https:\/\/developer.android.com\/ndk\/guides\/simpleperf\uff0c\u5176\u5b9e\u4e3b\u8981\u5206\u4e3a\u4e24\u6b65\uff0c\u7b2c\u4e00\u6b65\u662f\u7528simperperf record\u547d\u4ee4\u53bb\u91c7\u96c6\u6570\u636e\uff0c\u7b2c\u4e8c\u6b65\u662f\u7528simpleperf report\u547d\u4ee4\u53bb\u8f93\u51fa\u6570\u636e\u3002<br>\u4e00\u79cd\u6bd4\u8f83\u7b80\u5355\u7684\u4f7f\u7528\u65b9\u6cd5\u662f\u8fd9\u6837\u7684\uff0c\u9996\u5148\u8fde\u63a5\u624b\u673a\uff0c\u8fd0\u884c\u7a0b\u5e8f\uff0c\u786e\u4fdd\u5728usb\u8c03\u8bd5\u72b6\u6001\u4e0b\uff0c\u9996\u5148\u8fdb\u5165ndk\u7684simpleperf\u76ee\u5f55\u4e0b\uff0c\u6253\u5f00app_profiler.config\u53bb\u914d\u7f6e\u4e00\u4e9b\u914d\u7f6e\uff0c\u4e00\u5b9a\u8981\u914d\u7f6e\u7684\u5305\u62ec\uff1a<br>App_package_name\uff1a\u5305\u540d\u3002<br>Android_sudio_projectdir:androidsdutio\u5de5\u7a0b\u8def\u5f84\uff0c\u8fd9\u4e2a\u5728UE\u5de5\u7a0b\u5c31\u662f\u76ee\u5f55client\/intermediate\/android\/apk\/gradle\/\u3002<br>Native_lib_dir:\u8fd9\u4e2a\u662f\u7528\u6765\u5bfb\u627e\u5e26\u8c03\u8bd5\u7b26\u53f7\u7684so\u7684\u5730\u5740\uff0c\u5728UE\u5de5\u7a0b\u5c31\u662fclient\/intermediate\/android\/apk\/jni\/armeabi-v7a\/\u8fd9\u4e2a\u76ee\u5f55\uff0c\u56e0\u4e3ashipping\u7248\u672c\u7684\u7b26\u53f7\u6ca1\u6709\uff0c\u6240\u4ee5\u8fd9\u91cc\u8981\u63d0\u4f9b\u5728develop\u7b49\u7248\u672c\u7f16\u8bd1\u51fa\u6765\u7684\u3002<br>Apk_file_path:\u8fd9\u662f\u4f60\u7684apk\u7684\u8def\u5f84\u3002<br>Main_activity:\u8fd9\u4e2a\u5bf9\u4e8eUE\u7a0b\u5e8f\u4e00\u822c\u9ed8\u8ba4\u662fcom.epicgames.ue4.GameActivity\u3002<br>Record_option\uff1a\u8fd9\u4e2a\u6bd4\u8f83\u91cd\u8981\uff0c\u8981\u53c2\u52a0\u6587\u6863\uff0c\u662frecord\u7684\u53c2\u6570\uff0c\u4f8b\u5982\u201d-e cpu-clock:u\u2013duration 5\u201d\u5c31\u4ee3\u8868\u91c7\u6837CPU\u65f6\u949f\u6570\uff0c\u5e76\u4e14\u4ec5\u76d1\u63a7\u7528\u6237\u7a7a\u95f4\uff0c\u91c7\u68375\u79d2\u3002\u81f3\u4e8e\u8fd9\u91cc-e\u8fd8\u53ef\u4ee5\u91c7\u96c6\u54ea\u4e9b\u4e1c\u897f\uff0c\u4f60\u53ef\u4ee5\u6267\u884cadb shell run-as com.xxx.xxx .\/simpleperf list\u6765\u5217\u51fa\u6765\u3002<br>Adb_path:\u8fd9\u91cc\u8981\u586b\u672c\u673a\u7684adb\u5de5\u5177\u7684\u4f4d\u7f6e\u3002\u00a0\u914d\u7f6e\u597d\u4e86\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u542f\u52a8\u4f60\u7684\u53ef\u8c03\u5f0f\u7248\u672c\u7684\u7a0b\u5e8f\u5728\u624b\u673a\u4e0a\uff0c\u4e0d\u80fd\u662fshipping\u7248\u672c\u3002\u7136\u540e\u6b63\u5e38\u60c5\u51b5\u6211\u4eec\u9700\u8981\u505a\u4e00\u7cfb\u5217\u4e0a\u4f20\u7b26\u53f7\uff0c\u627epsid\uff0c\u83b7\u53d6\u5404\u79cd\u73af\u5883\u4fe1\u606f\u7684\u64cd\u4f5c\u7ed9simperf\uff0c\u4e0d\u8fc7\u8fd9\u4e2asimpleperf\u4e0b\u9762\u6709\u4e2a\u5feb\u6377\u7684app_profiler.py,\u5b83\u5e2e\u6211\u4eec\u505a\u597d\u4e86\uff0c\u6211\u4eec\u5148python app_profilor.py\u6267\u884c\u8fd9\u4e2apy\u6587\u4ef6\u5c31\u597d\u4e86\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u80fd\u5f88\u6162\uff0c\u5c24\u5176\u662f\u4e0a\u4f20\u8c03\u8bd5\u7b26\u53f7\uff0c\u5b83\u4f1a\u4ee3\u66ff\u624b\u673a\u4e0a\u76ee\u5f55\u91cc\u9762\u7684so\uff0c\u6240\u4ee5\u5bf9\u4e8e\u4e00\u4e2a\u624b\u673a\u7684\u4e00\u6b21app\u5b89\u88c5\uff0c\u8fd9\u4e2a\u64cd\u4f5cpython\u811a\u672c\u53ea\u8981\u6267\u884c\u4e00\u6b21\u5c31\u597d\uff0c\u4e0d\u6267\u884c\u7684\u8bdd\u53ef\u80fd\u7ed3\u679c\u91cc\u9762\u627e\u4e0d\u5230\u7b26\u53f7\u4fe1\u606f\u3002<br>\u7b49\u8fd9\u4e2a\u6267\u884c\u597d\u4e86\uff0c\u6211\u4eec\u5148\u627e\u5230\u8fd9\u4e2a\u7a0b\u5e8f\u7684pid\uff0c\u5229\u7528adb shell\u91cc\u9762\u7684ps\u547d\u4ee4\u80fd\u62ff\u5230\u3002<br>\u8fd9\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u8fdb\u884c\u4e00\u6b21\u91c7\u96c6\uff0c\u6bd4\u8f83\u5e38\u89c1\u7684\u91c7\u96c6\u6307\u4ee4\u662f\uff1aAdb shell run-as com.xxx.xxx.\/simpleperf record -e cpu-clock:u &#8211;duration 5\u2013p pid&#8211;symfs .\u00a0\u91c7\u96c6\u597d\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7simpleperf report\u6307\u4ee4\u6765\u67e5\u770b\u7ed3\u679c\u3002<br>\u6700\u7b80\u5355\u7684\u6307\u4ee4\u662f.\/simple report \u2013pidspid\u901a\u8fc7\u8fd9\u4e2a\u6307\u4ee4\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u8fdb\u7a0b\u91cc\u9762\u6240\u6709\u7ebf\u7a0b\u7684\u5404\u4e2a\u51fd\u6570\u5728\u8fd9\u6bb5\u91c7\u96c6\u65f6\u95f4\u7684CPU\u5360\u7528\u767e\u5206\u6bd4 <\/p>\n\n\n\n<p> \u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u770b\u4e0a\u53bb\u6bd4\u8f83\u4e71\uff0c\u6211\u4eec\u60f3\u9010\u4e2a\u7ebf\u7a0b\uff0c\u5e76\u4e14\u6309\u7167\u4e00\u5b9a\u6392\u5e8f\u6765\u770b\uff0c\u6240\u4ee5\u53ef\u4ee5\u5148\u663e\u793a\u5404\u4e2a\u7ebf\u7a0b\u7684\u3002<br>\u4f7f\u7528 .\/simpleperfreport &#8211;pidspid&#8211;sorttid,comm\u53ef\u4ee5\u5f97\u5230\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u5148\u4e00\u773c\u770b\u51fa\u4e3b\u8981\u7684\u51e0\u4e2a\u7ebf\u7a0b\u7684\u603b\u7684\u5f00\u9500\uff0c\u6709UE\u5f00\u53d1\u7ecf\u9a8c\u7684\u540c\u5b66\u80af\u5b9a\u4e00\u773c\u5c31\u80fd\u8ba4\u51fa\u8fd9\u4e9b\u7ebf\u7a0b\uff0c\u5176\u5b9e\u8fd9\u91cc\u7684thread-1884\u5c31\u662fgame\u7ebf\u7a0b\u4e86\uff0c\u7136\u540e\u6211\u4eec\u518d\u4e00\u70b9\u70b9\u7684\u770b\u6bcf\u4e2a\u7ebf\u7a0b\u5c31\u597d\u4e86\uff0c\u6211\u4eec\u4f7f\u7528.\/simpleperfreport &#8211;pidspid\u2013tids 1206 \u2013g\u6765\u6253\u5370RHI\u7ebf\u7a0b\u4e0a\u7684CPU\u5360\u7528\uff0c-g\u8868\u793a\u6253\u5370\u8c03\u7528\u5173\u7cfb\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u3002 <\/p>\n\n\n\n<p> \u53ef\u4ee5\u770b\u5230\u5f88\u6e05\u6670rhi\u7ebf\u7a0b\u4e0a\u7684\u51fd\u6570\u5f00\u9500\uff0c\u8fd9\u4e2a\u767e\u5206\u6bd4\u662f\u5360\u6574\u4e2arhi\u7ebf\u7a0b\u7684\uff0c\u4e0d\u662f\u5360\u6574\u4e2a\u8fdb\u7a0b\u7684\uff0c\u914d\u5408stat unit\u8fd9\u6837\u7684\u6307\u4ee4\uff0c\u5982\u679c\u6211\u4eec\u77e5\u9053rhi\u7ebf\u7a0b\u7684\u65f6\u95f4\uff0c\u5c31\u80fd\u5f97\u5230\u6bcf\u5e27\u67d0\u4e2a\u51fd\u6570\u7684\u6267\u884c\u65f6\u95f4\uff0c\u56e0\u4e3arhi\u7ebf\u7a0b\u662fapi\u7684\u63d0\u4ea4\u7ebf\u7a0b\uff0c\u6240\u4ee5\u6392\u540d\u9760\u524d\u7684\u9664\u4e86cpu\u5185\u5b58\u5c31\u662f\u4e00\u4e9bcmdbuff\u7684\u6267\u884c\u51fd\u6570\u4e86\u3002\u00a0<strong>Android SDK\u7684systrace<\/strong><br>\u4e0a\u9762\u7684simpleperf\u662f\u4e2a\u5bf9\u4e8e\u6240\u6709android\u7cfb\u7edf\u4e0d\u7528root\u4e0d\u7528\u7279\u6b8a\u5de5\u5177\u5c31\u80fd\u5f97\u5230\u7684\u4e00\u79cd\u901a\u7528\u7684\u51fd\u6570\u5f00\u9500\u5206\u6790\uff0c\u5728android sdk\u4e0b\u6709\u4e2asystrace\uff0c\u53ef\u4ee5\u5f97\u5230\u9664CPU\u51fd\u6570\u5360\u7528\u5916\u7684\u53e6\u5916\u4e00\u4e9b\u4fe1\u606f\uff0c\u5305\u62ec\u6bd4\u8f83\u6709\u7528\u7684cpu-gpu trace\uff0c\u7ebf\u7a0b\u7684\u5de5\u4f5c\u72b6\u51b5\u7b49\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u4ee3\u66ffstudio\u91cc\u9762\u7684\u7ebf\u7a0b\u5de5\u4f5c\u67e5\u770b\u529f\u80fd\u3002\u5177\u4f53\u7528\u6cd5\u662f\uff0c\u9996\u5148\u5b83\u7684\u5b8c\u6574\u6587\u6863\u53ef\u4ee5\u53c2\u8003https:\/\/developer.android.com\/studio\/profile\/systrace\/command-line\u3002<br>\u6211\u4eec\u8fdb\u5165android sdk\u7684platform-tools\u4e0b\u9762\u7684systrace\u6587\u4ef6\u5939\u4e0b\u9762\uff0cSystrace\u4e3b\u8981\u5229\u7528\u4e86\u91cc\u9762\u7684systrace.py\u8fd9\u4e2a\u547d\u4ee4\u811a\u672c\uff0c\u91c7\u96c6\u4e00\u6bb5trace\uff0c\u5e76\u4fdd\u5b58\u6210\u4e00\u4e2ahtml\u6587\u4ef6\uff0c\u7528\u6765\u67e5\u770b\u3002\u5e38\u7528\u7684\u7528\u6cd5\u662f\uff1a<br>python systrace.py \u2013t 5 \u2013a appname-o mynewtrace.html gfx view smsched idle load<br>\u8fd9\u91cc\u9762\u8868\u793a\u505a\u4e00\u6b215\u79d2\u7684systrace,\u5c06\u5176\u8f93\u51fa\u5230mynewtrace.html\uff0c\u7136\u540e\u540e\u9762\u662f\u8fd9\u6b21trace\u8981\u91c7\u96c6\u7684\u5185\u5bb9\uff0c\u5177\u4f53\u80fd\u91c7\u96c6\u54ea\u4e9b\u5185\u5bb9\u53ef\u4ee5\u4f7f\u7528python systrace.py&#8211;list-categories\u6765\u5f97\u5230\u3002\u6211\u4eec\u91c7\u96c6\u540e\u5c31\u4f1a\u751f\u6210\u8fd9\u4e2ahtml\u6587\u4ef6\u3002<br>\u4e0b\u9762\u662f\u67e5\u770b\uff0c\u5f88\u591a\u8f6f\u4ef6\u53ef\u4ee5\u67e5\u770btrace\u6587\u4ef6\uff0c\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u6253\u5f00chrome\u6d4f\u89c8\u5668\uff0c\u8f93\u5165chrome:\/\/tracing,\u5c31\u80fd\u6253\u5f00\u8fd9\u4e2atrace\u67e5\u770b\u5de5\u5177\uff0c\u7136\u540eload\u52a0\u8f7d\u4f60\u7684html\u6587\u4ef6\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2atrace\u56fe\u5f62\u7ed3\u679c\u4e86\u3002<\/p>\n\n\n\n<p> <\/p>\n\n\n\n<p> 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&nbsp;\u7b49\u5f85\u67d0\u4e2a\u6602\u8d35\u7684\u64cd\u4f5c\uff0c\u4f46\u662f\u8fd9\u4e2a\u64cd\u4f5c\u6709\u53c8\u88ab\u4e0d\u5408\u7406\u7684\u5927\u91cf\u5206\u5e27\uff0c\u6240\u4ee5\u770b\u4e0a\u53bb\u5728\u6ca1\u5e27\u5185\u6ca1\u6709\u54ea\u4e2a\u7ebf\u7a0b\u5de5\u4f5c\u9971\u6ee1\uff0c\u4f46\u662f\u5c31\u662f\u5728\u7b49\u3002<br>\u603b\u4e4b\u8fd9\u79cd\u6ca1\u6709\u660e\u663e\u7279\u5f81\u7684wait\u8981\u5177\u4f53\u5206\u6790wait\u5904\u7684\u903b\u8f91\uff0c\u53e6\u5916\u8981\u7406\u89e3UE\u7684taskgraph\uff0casynctask\u7b49\u7cfb\u7edf\u624d\u4f1a\u6709\u66f4\u5927\u5e2e\u52a9\u3002&nbsp;<\/p>\n\n\n\n<p>Stat Hitches<br>\u9664\u4e86\u57fa\u4e8estat\u7cfb\u7edf\u57cb\u70b9\u4e4b\u5916\uff0cUE\u8fd8\u63d0\u4f9bstat 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DumpHitches\u5219\u53ef\u4ee5\u5c06\u6389\u5e27\u65f6\u5019\u7684stat\u6570\u636e\u4fdd\u5b58\u4e0b\u6765\u53ca\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002&nbsp;\u5bf9\u4e8eUE\u7a0b\u5e8f\u6709\u5f88\u591a\u79cd\u65b9\u6cd5\u5206\u6790\u5e27\u7387\u74f6\u9888\u53ca\u5361\u987f\u7684\u6027\u80fd\u95ee\u9898\uff0c\u89e3\u51b3\u95ee\u9898\u7684\u524d\u63d0\u662f\u627e\u5230\u95ee\u9898\uff0c\u800c\u627e\u5230\u95ee\u9898\u7684\u524d\u63d0\u662f\u627e\u5230\u6216\u8005\u5236\u4f5c\u5408\u9002\u7684\u5de5\u5177\u6765\u6355\u6349\u5230\u95ee\u9898\u3002\u4f5c\u4e3a\u5f15\u64ce\u548c\u6e38\u620f\u7684\u4f18\u5316\u5f00\u53d1\u4eba\u5458\uff0c\u65e0\u8bba\u662f\u4ec0\u4e48\u673a\u578b\uff0c\u53ea\u8981\u5b89\u88c5\u6211\u4eec\u7684\u7248\u672c\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u627e\u5230\u4e00\u4e2a\u6709\u6548\u7684\u65b9\u6cd5\u5b9a\u4f4d\u95ee\u9898\uff0c\u624d\u80fd\u505a\u5230\u4e0d\u614c\uff0c\u4fdd\u8bc1\u95ee\u9898\u5f97\u5230\u89e3\u51b3\u3002\n\n<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/mp.weixin.qq.com\/s\/CMq-SS5a-T2JXjMKjTNNUA 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