<\/div>\n<\/div>\n

\u9996\u5148\u5c0d\u7167 STREAM \u57fa\u7dda\u78ba\u8a8d\u662f\u5426\u771f\u7684\u767c\u751f\u4e86\u98fd\u548c\u3002\u63a5\u8457\u4f7f\u7528 pidstat \u6216 perf \u5c07\u8ca0\u8f09\u6b78\u56e0\u5230\u5177\u9ad4\u7a0b\u5e8f\u3002\u7136\u5f8c\u7528 sar \u6b77\u53f2\u548c\u6838\u5fc3\u65e5\u8a8c\u9a57\u8b49\u9019\u4e00\u767c\u73fe\u3002\u6700\u5f8c\u5efa\u7acb\u5b9a\u671f\u53d6\u6a23\u6a5f\u5236\uff0c\u8b93\u4e0b\u4e00\u6b21\u6545\u969c\u6392\u67e5\u5f9e\u8cc7\u6599\u958b\u59cb\uff0c\u800c\u4e0d\u662f\u5f9e\u731c\u6e2c\u958b\u59cb\u3002<\/p>\n

\u5efa\u8b70\u6e96\u5099\u4e00\u4efd\u7c21\u77ed\u7684\u6545\u969c\u8655\u7406\u6e05\u55ae\uff1a\u57fa\u7dda\u662f\u5426\u5df2\u8a18\u9304\u3001\u662f\u5426\u5df2\u5b8c\u6210 pidstat \u53d6\u6a23\u3001\u662f\u5426\u5df2\u8b80\u53d6 perf \u8a08\u6578\u5668\u3001\u662f\u5426\u5df2\u6bd4\u5c0d sar \u6642\u9593\u7a97\u53e3\u3001\u662f\u5426\u5df2\u6aa2\u67e5\u65e5\u8a8c\u3001\u662f\u5426\u5df2\u8a2d\u5b9a\u8b66\u793a\u9580\u6abb\u3002\u5728\u4efb\u4f55 Linux \u4e3b\u6a5f\u4e0a\uff0c\u90fd\u5efa\u8b70\u5148\u5f9e pidstat \u958b\u59cb\uff0c\u56e0\u70ba\u5b83\u958b\u92b7\u5c0f\u3001\u56de\u994b\u5feb\u3002\u53ea\u6709\u5728\u4f60\u9700\u8981\u786c\u9ad4\u5c64\u7d1a\u6df1\u5ea6\u5206\u6790\u6642\uff0c\u518d\u5347\u7d1a\u5230 perf \u6216 Intel PCM\u3002\u9019\u6a23\u7684\u9806\u5e8f\u80fd\u8b93\u6bcf\u4e00\u6b21\u4f3a\u670d\u5668\u6392\u67e5\u90fd\u5177\u5099\u53ef\u91cd\u8907\u6027\uff0c\u4e5f\u80fd\u628a\u300c\u6a21\u7cca\u7684\u7cfb\u7d71\u8b8a\u6162\u300d\u8f49\u5316\u70ba\u300c\u4f3a\u670d\u5668\u4e0a\u67d0\u500b\u5df2\u660e\u78ba\u547d\u540d\u7684\u7a0b\u5e8f\u300d\u3002<\/p>\n

\u5e38\u898b\u554f\u984c<\/strong><\/h2>\n

\u61c9\u8a72\u5148\u5617\u8a66\u54ea\u500b\u5de5\u5177\uff1f<\/h3>\n

\u5148\u7528 pidstat\u3002\u5b83\u958b\u92b7\u5c0f\u3001\u898b\u6548\u5feb\u3002\u5728 Linux \u4e3b\u6a5f\u4e0a\u57f7\u884c pidstat -r -p ALL 1 10<\/code>\uff0c\u91cd\u9ede\u67e5\u770b\u7f3a\u9801\u76f8\u95dc\u6b04\u4f4d\u3002\u53ea\u6709\u5728\u9700\u8981\u786c\u9ad4\u5c64\u7d1a\u6df1\u5ea6\u5206\u6790\u6642\uff0c\u518d\u5347\u7d1a\u5230 perf \u6216 Intel PCM\u3002<\/p>\n

\u5982\u4f55\u5224\u65b7\u74f6\u9838\u662f\u983b\u5bec\u800c\u4e0d\u662f CPU\uff1f<\/h3>\n

\u5148\u67e5\u770b\u4f60\u7684 STREAM \u57fa\u7dda\u3002\u51fa\u73fe\u983b\u5bec\u98fd\u548c\u7684\u4f3a\u670d\u5668\u901a\u5e38\u8868\u73fe\u70ba\u5ef6\u9072\u5347\u9ad8\uff0c\u800c CPU \u9592\u7f6e\u7387\u4f9d\u7136\u8f03\u9ad8\u3002\u540c\u6642\uff0c\u5feb\u53d6\u672a\u547d\u4e2d\u7387\u6703\u4e0a\u5347\uff0c\u6bcf\u9031\u671f\u6307\u4ee4\u6578\u6703\u4e0b\u964d\u3002\u518d\u7d50\u5408 sar \u6b77\u53f2\u9032\u884c\u78ba\u8a8d\uff0c\u7136\u5f8c\u518d\u5224\u65b7\u662f\u5426\u61c9\u6b78\u56e0\u65bc\u67d0\u500b\u7a0b\u5e8f\u3002<\/p>\n

\u4e00\u500b\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\u5f88\u5c0f\u7684\u7a0b\u5e8f\u4e5f\u6703\u5360\u6eff\u532f\u6d41\u6392\u55ce\uff1f<\/h3>\n

\u6703\u3002\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\u548c\u8a18\u61b6\u9ad4\u541e\u5410\u91cf\u662f\u5169\u7a2e\u5b8c\u5168\u4e0d\u540c\u7684\u6307\u6a19\u3002\u4e00\u500b\u5360\u7528\u4e0d\u5927\u7684\u5de5\u4f5c\u7a0b\u5e8f\uff0c\u5b8c\u5168\u53ef\u80fd\u56e0\u70ba\u6301\u7e8c\u4e32\u6d41\u642c\u79fb\u8cc7\u6599\u800c\u5360\u6eff\u532f\u6d41\u6392\uff1b\u800c\u4e00\u500b\u5927\u578b\u7de9\u885d\u6c60\u5247\u53ef\u80fd\u53ea\u662f\u5b89\u975c\u5730\u5e38\u99d0\u5728\u8a18\u61b6\u9ad4\u4e2d\u3002\u61c9\u6309\u7f3a\u9801\u901f\u7387\u548c\u5feb\u53d6\u672a\u547d\u4e2d\u6392\u5e8f\uff0c\u800c\u4e0d\u662f\u53ea\u770b\u5e38\u99d0\u8a18\u61b6\u9ad4\u5927\u5c0f\u3002<\/p>\n

\u5728\u751f\u7522\u4f3a\u670d\u5668\u4e0a\u61c9\u591a\u4e45\u53d6\u6a23\u4e00\u6b21\uff1f<\/h3>\n

\u61c9\u5b9a\u671f\u53d6\u6a23\uff0c\u800c\u4e0d\u53ea\u662f\u51fa\u554f\u984c\u6642\u624d\u53d6\u6a23\u3002\u5efa\u8b70\u6bcf\u5c0f\u6642\u57f7\u884c\u4e00\u6b21 pidstat -r 1 60<\/code> \u4e26\u5c01\u5b58\u7d50\u679c\uff1b\u5c0d sar \u4e2d\u4e0a\u5347\u7684 pgscank\/s<\/code> \u8a2d\u5b9a\u8b66\u793a\u3002\u6bcf\u6b21\u90e8\u7f72\u5f8c\u90fd\u8981\u91cd\u65b0\u6aa2\u67e5 Linux \u4f3a\u670d\u5668\uff0c\u56e0\u70ba\u65b0\u7a0b\u5f0f\u78bc\u53ef\u80fd\u6703\u6539\u8b8a\u983b\u5bec\u6a21\u5f0f\u3002<\/p>\n

\u5982\u679c STREAM \u6e2c\u8a66\u7d50\u679c\u4f4e\u65bc\u57fa\u7dda\u4ee3\u8868\u4ec0\u9ebc\uff1f<\/h3>\n

\u8f03\u4f4e\u7684\u7d50\u679c\u901a\u5e38\u8868\u793a\u8a18\u61b6\u9ad4\u6a21\u7d44\u5b89\u88dd\u4e0d\u7262\u3001\u901a\u9053\u672a\u555f\u7528\uff0c\u6216\u8a18\u61b6\u9ad4\u6279\u6b21\u6df7\u63d2\u3002\u53ef\u4ee5\u4f7f\u7528 ipmitool sel list | grep -i memory<\/code> \u9032\u884c\u78ba\u8a8d\u3002\u4fee\u5fa9\u786c\u9ad4\u554f\u984c\u5f8c\u91cd\u65b0\u57f7\u884c\u57fa\u6e96\u6e2c\u8a66\uff0c\u4e26\u628a\u4fee\u6b63\u5f8c\u7684\u7d50\u679c\u4f5c\u70ba\u8a72 Linux \u4f3a\u670d\u5668\u7684\u65b0\u53c3\u8003\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728 Linux \u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528 perf\u3001pidstat \u6216 sar \u7b49\u6548\u80fd\u76e3\u63a7\u5de5\u5177\u4f86\u6e2c\u91cf\u55ae\u4e00\u7a0b\u5e8f\u7684\u8a18\u61b6\u9ad4\u983b\u5bec\u3002 […]<\/p>\n

Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":35504,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[14025,14026,14027,3621,1342],"class_list":["post-35507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-memory-bandwidth","tag-perf-tool","tag-bandwidth-saturation-troubleshooting","tag-performance-monitoring-tc","tag-linux"],"acf":[],"yoast_head":"\n