{"id":35190,"date":"2024-10-29T14:36:20","date_gmt":"2024-10-29T06:36:20","guid":{"rendered":"https:\/\/www.deepin.org\/?p=35190"},"modified":"2024-10-29T14:37:50","modified_gmt":"2024-10-29T06:37:50","slug":"deepin-clk-2024","status":"publish","type":"post","link":"https:\/\/www.deepin.org\/zh\/deepin-clk-2024\/","title":{"rendered":"deepin \u4eae\u76f8 CLK 2024\uff0c\u5171\u63a2\u5171\u4eab NUMA osq \u65b9\u6848"},"content":{"rendered":"\"\"<\/p>\n

\u4e2d\u56fd Linux \u5185\u6838\u5f00\u53d1\u8005\u5927\u4f1a\uff0c\u4f5c\u4e3a\u4e2d\u56fd Linux \u5185\u6838\u9886\u57df\u6700\u5177\u5f71\u54cd\u529b\u7684\u5cf0\u4f1a\u4e4b\u4e00\uff0c\u4e00\u76f4\u4ee5\u6765\u90fd\u5907\u53d7\u77a9\u76ee\u3002<\/p>\n

10 \u6708 26 \u65e5\uff0c\u7b2c 19 \u5c4a\u4e2d\u56fd Linux \u5185\u6838\u5f00\u53d1\u8005\u5927\u4f1a<\/strong>\uff08\u7b80\u79f0 CLK 2024\uff09 \u5728\u6b66\u6c49\u6210\u529f\u4e3e\u529e\uff0c\u5438\u5f15\u4e86\u4f17\u591a\u5185\u6838\u5f00\u53d1\u8005\u548c\u6280\u672f\u7231\u597d\u8005\u53c2\u4e0e\u3002<\/p>\n

\u5728\u672c\u6b21\u5927\u4f1a\u8c03\u5ea6\u4e0e\u9501\u5206\u8bba\u575b\u4e2d\uff0cdeepin\uff08\u6df1\u5ea6\uff09\u793e\u533a\u9ad8\u7ea7\u5185\u6838\u7814\u53d1\u5de5\u7a0b\u5e08\u8042\u8bda<\/strong>\u548c\u4f59\u6607\u9526<\/strong>\u5e26\u6765\u4e86\u300aNUMA \u573a\u666f\u4e0b osq \u9501\u7684\u6027\u80fd\u4f18\u5316\u300b<\/strong>\u6280\u672f\u5206\u4eab\u3002<\/p>\n

\u9996\u5148\uff0c\u4ed6\u4eec\u6df1\u5165\u63a2\u8ba8\u4e86\u5728 NUMA\uff08\u975e\u5747\u5300\u5185\u5b58\u8bbf\u95ee\uff09\u67b6\u6784\u4e0b\uff0c\u591a\u8fdb\u7a0b\u8bbf\u95ee\u540c\u4e00\u6587\u4ef6\u65f6\u5b58\u5728\u7684\u6027\u80fd\u5dee\u5f02\u95ee\u9898\u3002\u901a\u8fc7\u5bf9\u6bd4 12 \u4e2a\u8fdb\u7a0b\u5728\u5355\u4e2a Node \u548c\u8de8 Node \u8bbf\u95ee\u6587\u4ef6\u7684\u6027\u80fd\u6570\u636e\uff0c\u4ed6\u4eec\u53d1\u73b0\u8de8 Node \u8bbf\u95ee\u65f6\uff0cLLc\uff08\u6700\u540e\u4e00\u7ea7\u7f13\u5b58\uff09\u672a\u547d\u4e2d\u7387\u663e\u8457\u5347\u9ad8\uff0c\u5176\u4e2d osq_lock\uff08\u4e50\u89c2\u81ea\u65cb\u961f\u5217\u9501\uff09\u5360\u6bd4\u8f83\u9ad8\u3002<\/p>\n

\u968f\u540e\uff0c\u8042\u8bda\u548c\u4f59\u6607\u9526\u8be6\u7ec6\u4ecb\u7ecd\u4e86 NUMA \u67b6\u6784\u7684\u7279\u70b9\uff0c\u5f3a\u8c03\u4e86\u5728 NUMA \u7cfb\u7edf\u4e2d\uff0cCPU \u8bbf\u95ee\u4e0d\u540c\u8282\u70b9\u5185\u5b58\u7684\u901f\u5ea6\u5dee\u5f02\uff0c\u4ee5\u53ca\u8fd9\u79cd\u5dee\u5f02\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\u3002\u4ed6\u4eec\u89e3\u91ca\u4e86\u7761\u7720\u9501 osq \u673a\u5236\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5373\u5728\u6301\u6709\u9501\u7684\u8fdb\u7a0b\u6ca1\u6709\u7761\u7720\u65f6\uff0c\u901a\u8fc7\u81ea\u65cb\u7b49\u5f85\u800c\u4e0d\u662f\u7761\u7720\u6765\u4f18\u5316\u6027\u80fd\u3002\u7136\u800c\uff0c\u5728 NUMA \u73af\u5883\u4e2d\uff0cosq \u9501\u4f20\u9012\u4f1a\u5f15\u53d1\u8de8 NUMA \u8282\u70b9\u7684\u8bbf\u95ee\uff0c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u4ed6\u4eec\u63d0\u51fa\u4e86\u4e00\u79cd\u57fa\u4e8e NUMA \u7684 osq \u4f18\u5316\u65b9\u6848\u3002\u8be5\u65b9\u6848\u5c06 osq_lock \u7684\u94fe\u8868\u6309\u7167 NUMA \u8282\u70b9\u5212\u5206\uff0c\u6bcf\u4e2a NUMA \u8282\u70b9\u5bf9\u5e94\u4e00\u4e2a osq \u94fe\u8868\uff0c\u6bcf\u4e2a CPU \u52a0\u5165\u5230\u5404\u81ea\u6240\u5c5e\u7684 NUMA \u8282\u70b9\u5bf9\u5e94\u7684\u94fe\u8868\u4e2d\u3002\u8fd9\u6837\uff0c\u5f53 NUMA \u8282\u70b9\u7684\u6700\u540e\u4e00\u4e2a CPU \u91ca\u653e osq_lock \u65f6\uff0c\u53ef\u4ee5\u5c06\u9501\u4f20\u9012\u5230\u4e0b\u4e00\u4e2a NUMA \u8282\u70b9\uff0c\u4ece\u800c\u51cf\u5c11\u8de8 NUMA \u8282\u70b9\u7684\u8bbf\u95ee\u6b21\u6570\u3002<\/p>\n

\"\"<\/p>\n

\u6b64\u5916\uff0c\u4ed6\u4eec\u8fd8\u8ba8\u8bba\u4e86\u9501\u4f20\u9012\u95ee\u9898\u548c\u5185\u5b58\u95ee\u9898\uff0c\u5e76\u63d0\u51fa\u4e86\u76f8\u5e94\u7684\u4f18\u5316\u63aa\u65bd\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u65b0\u589e\u4e00\u4e2a\u6807\u5fd7\u4f4d tail_locked \u6765\u89e3\u51b3\u5224\u65ad\u6240\u6709\u961f\u5217\u662f\u5426\u4e3a\u7a7a\u7684\u539f\u5b50\u6027\u95ee\u9898\uff0c\u4ee5\u53ca\u901a\u8fc7 hash \u6280\u672f\u6765\u4f18\u5316\u5185\u5b58\u4f7f\u7528\uff0c\u51cf\u5c11\u4e92\u65a5\u9501 \u548c \u8bfb\u5199\u9501\u7ed3\u6784\u7684\u5927\u5c0f\u3002<\/p>\n

\u5728\u89e3\u51b3\u997f\u6b7b\u95ee\u9898\u65b9\u9762\uff0c\u4ed6\u4eec\u5f15\u5165\u4e86\u4f2a\u968f\u673a\u673a\u5236\uff0c\u4ee5\u786e\u4fdd\u9501\u5728 NUMA \u8282\u70b9\u95f4\u7684\u516c\u5e73\u4f20\u9012\uff0c\u5e76\u901a\u8fc7 INTRA_NODE_HANDOFF_PROB_ARG \u53c2\u6570\u8c03\u6574\u516c\u5e73\u6027\u548c\u6027\u80fd\u4e4b\u95f4\u7684\u5e73\u8861\u3002<\/p>\n

\u6700\u540e\uff0c\u8042\u8bda\u548c\u4f59\u6607\u9526\u901a\u8fc7\u5b9e\u9a8c\u9a8c\u8bc1\u4e86\u4f18\u5316\u65b9\u6848\u7684\u6709\u6548\u6027\u3002\u5728 arm64 \u548c arm96 \u4e24\u79cd\u67b6\u6784\u4e0b\uff0c\u4f18\u5316\u540e\u7684 Numa osq \u65b9\u6848\u5728\u4e0d\u540c\u6587\u4ef6\u590d\u5236\u573a\u666f\u4e0b\u5747\u53d6\u5f97\u4e86\u663e\u8457\u7684\u6027\u80fd\u63d0\u5347\uff0c\u4f18\u5316\u767e\u5206\u6bd4\u5728 80% \u5230 118% \u4e4b\u95f4\u3002<\/p>\n

deepin \u793e\u533a\u7684\u5185\u6838\u7814\u53d1\u5de5\u7a0b\u5e08\u4eec\u4e13\u6ce8\u4e8e\u89e3\u51b3 NUMA \u573a\u666f\u4e0b\u7684\u9501\u6027\u80fd\u95ee\u9898\u3002NUMA\uff08Non-Uniform Memory Access\uff0c\u975e\u5747\u5300\u5185\u5b58\u8bbf\u95ee\uff09\u67b6\u6784\u5728\u73b0\u4ee3\u670d\u52a1\u5668\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u5728\u8fd9\u79cd\u67b6\u6784\u4e0b\uff0cosq\u9501\uff08Optimistic Spinlock\uff0c\u4e50\u89c2\u81ea\u65cb\u9501\uff09\u7684\u6027\u80fd\u4f18\u5316\u5bf9\u4e8e\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u8042\u8bda\u548c\u4f59\u6607\u9526\u5728\u8fd9\u4e00\u9886\u57df\u7684\u7814\u7a76\u6210\u679c\u548c\u5b9e\u8df5\u7ecf\u9a8c\uff0c\u8fd9\u5bf9\u4e8e\u63a8\u52a8 Linux \u5185\u6838\u6280\u672f\u7684\u53d1\u5c55\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n

\u672a\u6765\uff0cdeepin \u5c06\u6301\u7eed\u63d0\u5347\u5185\u6838\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\u3001\u5b8c\u6210\u6280\u672f\u66f4\u65b0\u6362\u4ee3\u3001\u652f\u6301\u591a\u67b6\u6784\u53d1\u5c55\u3001\u4f18\u5316 Wayland \u652f\u6301\u3001\u6269\u5927\u5185\u6838\u5f00\u53d1\u7684\u6df1\u5ea6\u548c\u5e7f\u5ea6\u3001\u63a8\u8fdb\u56fd\u9645\u5316\u8fdb\u7a0b\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u4e3a\u5f00\u6e90\u684c\u9762\u64cd\u4f5c\u7cfb\u7edf\u53d1\u5c55\u6301\u7eed\u6ce8\u5165\u80fd\u91cf\u3002<\/p>\n

 <\/p>\n

\u76f8\u5173\u9605\u8bfb\uff1a<\/strong><\/h1>\n

\uff081\uff09\u652f\u6301 deepin\uff08\u6df1\u5ea6\uff09\u793e\u533a<\/a><\/p>\n

\uff082\uff09deepin \u591a\u67b6\u6784\u9002\u914d\u4e4b\u8def\u5386\u7a0b\u63ed\u79d8<\/a><\/p>\n

\uff083\uff09deepin \u6280\u672f\u53cc\u5468\u62a5-2024-10-Late<\/a><\/p>\n

 <\/p>\n

 <\/p>\n

\u5185\u5bb9\u6765\u6e90\uff1adeepin\uff08\u6df1\u5ea6\uff09\u793e\u533a<\/p>\n

\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904<\/p>","protected":false},"excerpt":{"rendered":"

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