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\u9996\u5148\u5bf9\u7167 STREAM \u57fa\u7ebf\u786e\u8ba4\u662f\u5426\u771f\u7684\u53d1\u751f\u4e86\u9971\u548c\u3002\u63a5\u7740\u4f7f\u7528 pidstat \u6216 perf \u5c06\u8d1f\u8f7d\u5f52\u56e0\u5230\u5177\u4f53\u8fdb\u7a0b\u3002\u7136\u540e\u7528 sar \u5386\u53f2\u548c\u5185\u6838\u65e5\u5fd7\u9a8c\u8bc1\u8fd9\u4e00\u53d1\u73b0\u3002\u6700\u540e\u5efa\u7acb\u5b9a\u671f\u91c7\u6837\u673a\u5236\uff0c\u8ba9\u4e0b\u4e00\u6b21\u6545\u969c\u6392\u67e5\u4ece\u6570\u636e\u5f00\u59cb\uff0c\u800c\u4e0d\u662f\u4ece\u731c\u6d4b\u5f00\u59cb\u3002<\/p>\n

\u5efa\u8bae\u51c6\u5907\u4e00\u4efd\u7b80\u77ed\u7684\u6545\u969c\u5904\u7406\u6e05\u5355\uff1a\u57fa\u7ebf\u662f\u5426\u5df2\u8bb0\u5f55\u3001\u662f\u5426\u5df2\u5b8c\u6210 pidstat \u91c7\u6837\u3001\u662f\u5426\u5df2\u8bfb\u53d6 perf \u8ba1\u6570\u5668\u3001\u662f\u5426\u5df2\u5339\u914d sar \u65f6\u95f4\u7a97\u53e3\u3001\u662f\u5426\u5df2\u68c0\u67e5\u65e5\u5fd7\u3001\u662f\u5426\u5df2\u8bbe\u7f6e\u544a\u8b66\u9608\u503c\u3002\u5728\u4efb\u4f55 Linux \u4e3b\u673a\u4e0a\uff0c\u90fd\u5efa\u8bae\u5148\u4ece pidstat \u5f00\u59cb\uff0c\u56e0\u4e3a\u5b83\u5f00\u9500\u5c0f\u3001\u53cd\u9988\u5feb\u3002\u53ea\u6709\u5728\u4f60\u9700\u8981\u786c\u4ef6\u7ea7\u6df1\u5ea6\u5206\u6790\u65f6\uff0c\u518d\u5347\u7ea7\u5230 perf \u6216 Intel PCM\u3002\u8fd9\u6837\u7684\u987a\u5e8f\u80fd\u591f\u8ba9\u6bcf\u4e00\u6b21\u670d\u52a1\u5668\u6392\u67e5\u90fd\u5177\u5907\u53ef\u91cd\u590d\u6027\uff0c\u4e5f\u80fd\u628a\u201c\u6a21\u7cca\u7684\u7cfb\u7edf\u53d8\u6162\u201d\u8f6c\u5316\u4e3a\u201c\u670d\u52a1\u5668\u4e0a\u67d0\u4e2a\u5df2\u660e\u786e\u547d\u540d\u7684\u8fdb\u7a0b\u201d\u3002<\/p>\n

\u5e38\u89c1\u95ee\u9898<\/strong><\/h2>\n
\u5e94\u8be5\u5148\u5c1d\u8bd5\u54ea\u4e2a\u5de5\u5177\uff1f<\/h3>\n
\u5148\u7528 pidstat\u3002\u5b83\u5f00\u9500\u5c0f\u3001\u89c1\u6548\u5feb\u3002\u5728 Linux \u4e3b\u673a\u4e0a\u8fd0\u884c `pidstat -r -p ALL 1 10<\/code>\uff0c\u91cd\u70b9\u67e5\u770b\u7f3a\u9875\u76f8\u5173\u5217\u3002\u53ea\u6709\u5728\u9700\u8981\u786c\u4ef6\u7ea7\u6df1\u5ea6\u5206\u6790\u65f6\uff0c\u518d\u5347\u7ea7\u5230 perf \u6216 Intel PCM\u3002<\/p>\n`
\u5982\u4f55\u5224\u65ad\u74f6\u9888\u662f\u5e26\u5bbd\u800c\u4e0d\u662f CPU\uff1f<\/h3>\n\u5148\u67e5\u770b\u4f60\u7684 STREAM \u57fa\u7ebf\u3002\u51fa\u73b0\u5e26\u5bbd\u9971\u548c\u7684\u670d\u52a1\u5668\u901a\u5e38\u8868\u73b0\u4e3a\u5ef6\u8fdf\u5347\u9ad8\uff0c\u800c CPU \u7a7a\u95f2\u7387\u4f9d\u7136\u8f83\u9ad8\u3002\u540c\u65f6\uff0c\u7f13\u5b58\u672a\u547d\u4e2d\u7387\u4f1a\u4e0a\u5347\uff0c\u6bcf\u5468\u671f\u6307\u4ee4\u6570\u4f1a\u4e0b\u964d\u3002\u518d\u7ed3\u5408 sar \u5386\u53f2\u8fdb\u884c\u786e\u8ba4\uff0c\u7136\u540e\u518d\u5224\u65ad\u662f\u5426\u5e94\u5f52\u56e0\u4e8e\u67d0\u4e2a\u8fdb\u7a0b\u3002<\/p>\n 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\u5728\u751f\u4ea7\u670d\u52a1\u5668\u4e0a\u5e94\u591a\u4e45\u91c7\u6837\u4e00\u6b21\uff1f<\/h3>\n\u5e94\u5b9a\u671f\u91c7\u6837\uff0c\u800c\u4e0d\u53ea\u662f\u51fa\u95ee\u9898\u65f6\u624d\u91c7\u6837\u3002\u5efa\u8bae\u6bcf\u5c0f\u65f6\u8fd0\u884c\u4e00\u6b21 pidstat -r 1 60<\/code> \u5e76\u5f52\u6863\u7ed3\u679c\uff1b\u5bf9 sar \u4e2d\u4e0a\u5347\u7684 pgscank\/s<\/code> \u8bbe\u7f6e\u544a\u8b66\u3002\u6bcf\u6b21\u90e8\u7f72\u540e\u90fd\u8981\u590d\u67e5 Linux \u670d\u52a1\u5668\uff0c\u56e0\u4e3a\u65b0\u4ee3\u7801\u53ef\u80fd\u4f1a\u6539\u53d8\u5e26\u5bbd\u6a21\u5f0f\u3002<\/p>\n \u5982\u679c STREAM \u6d4b\u8bd5\u7ed3\u679c\u4f4e\u4e8e\u57fa\u7ebf\u610f\u5473\u7740\u4ec0\u4e48\uff1f<\/h3>\n\u8f83\u4f4e\u7684\u7ed3\u679c\u901a\u5e38\u610f\u5473\u7740\u5185\u5b58\u6761\u5b89\u88c5\u4e0d\u7262\u3001\u901a\u9053\u672a\u542f\u7528\uff0c\u6216\u5185\u5b58\u6279\u6b21\u6df7\u63d2\u3002\u53ef\u4ee5\u4f7f\u7528 ipmitool sel list | grep -i memory<\/code> 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More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":35505,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[14028,14029,14030,3624,1345],"class_list":["post-35508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-sc","tag-memory-bandwidth","tag-perf-tool","tag-bandwidth-saturation-troubleshooting","tag-performance-monitoring-sc","tag-linux"],"acf":[],"yoast_head":"\n\u5982\u4f55\u5b9a\u4f4d\u5bfc\u81f4\u5185\u5b58\u5e26\u5bbd\u9971\u548c\u7684\u8fdb\u7a0b<\/title>\n<meta name=\"description\" content=\"\u4f7f\u7528 perf \u548c pidstat \u51c6\u786e\u6d4b\u91cf Linux \u670d\u52a1\u5668\u4e0a\u7684\u5355\u8fdb\u7a0b\u5185\u5b58\u5e26\u5bbd\uff0c\u5e76\u627e\u51fa\u5bfc\u81f4\u5185\u5b58\u5e26\u5bbd\u9971\u548c\u7684\u8fdb\u7a0b\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, 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