{"id":1040,"date":"2022-10-20T02:46:41","date_gmt":"2022-10-20T02:46:41","guid":{"rendered":"http:\/\/www.recologypower.com:9080\/?p=1040"},"modified":"2023-04-04T09:54:54","modified_gmt":"2023-04-04T09:54:54","slug":"%e3%80%90linux%e3%80%91%e7%b3%bb%e7%bb%9f%e6%80%a7%e8%83%bd%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"http:\/\/www.recologypower.com:9080\/?p=1040","title":{"rendered":"\u3010Linux\u3011\u7cfb\u7edf\u6027\u80fd\u6d4b\u8bd5"},"content":{"rendered":"\n

\u4e00\u3001\u5185\u5b58\u6d4b\u8bd5<\/h2>\n\n\n\n

1\u3001memtester\u662f\u4e00\u4e2a\u5185\u5b58\u538b\u529b\u6d4b\u8bd5\u5de5\u5177\uff0c\u4e3b\u8981\u662f\u6355\u83b7\u5185\u5b58\u9519\u8bef\u548c\u4e00\u76f4\u5904\u4e8e\u5f88\u9ad8\u6216\u8005\u5f88\u4f4e\u7684\u574f\u4f4d, \u5176\u6d4b\u8bd5\u7684\u4e3b\u8981\u9879\u76ee\u6709\u968f\u673a\u503c,\u5f02\u6216\u6bd4\u8f83,\u51cf\u6cd5,\u4e58\u6cd5,\u9664\u6cd5,\u4e0e\u6216\u8fd0\u7b97\u7b49\u7b49. \u901a\u8fc7\u7ed9\u5b9a\u6d4b\u8bd5\u5185\u5b58\u7684\u5927\u5c0f\u548c\u6b21\u6570, \u53ef\u4ee5\u5bf9\u7cfb\u7edf\u73b0\u6709\u7684\u5185\u5b58\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n\n\n\n

sudo apt install memtester \n\/\/\u6307\u4ee4     \u6d4b\u8bd5\u5185\u5b58\u5927\u5c0f   \u6d4b\u8bd5\u6b21\u6570\nmemtester     240G          10<\/code><\/pre>\n\n\n\n
2\u3001mbw\u662f\u4e00\u4e2a\u5185\u5b58\u5e26\u5bbd\u6d4b\u8bd5\u5de5\u5177\uff0c\u901a\u5e38\u7528\u6765\u8bc4\u4f30\u7528\u6237\u5c42\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u5185\u5b58\u62f7\u8d1d\u64cd\u4f5c\u6240\u80fd\u8fbe\u5230\u7684\u5e26\u5bbd\uff0c\u53ef\u6d4b\u8bd5\u5728\u5185\u5b58\u62f7\u8d1d(memcpy<\/a>)\u3001\u5b57\u7b26\u4e32\u62f7\u8d1d(dumb)\u3001\u548c\u5185\u5b58\u5361\u62f7\u8d1d(mcblock)\u4e09\u79cd\u65b9\u5f0f\u4e0b\u7684\u5185\u5b58\u62f7\u8d1d\u901f\u5ea6\u3002<\/p>\n\n\n\n
sudo apt install mbw -y\nmbw -q -n 10 245760\n-q:\u9690\u85cf\u65e5\u5fd7\n-n 10:\u8868\u793a\u8fd0\u884c10\u6b21\n124000(MB)\uff1a\u8868\u793a\u6d4b\u8bd5\u6240\u7528\u5185\u5b58\u5927\u5c0f,\u7528\u5269\u4f59\u5185\u5b58\u7684\u4e00\u534a\u6d4b\u8bd5\n#\u7ed3\u679c\u5206\u6790\uff1a\n#\u53ea\u9700\u5173\u6ce8\u5e73\u5747\u503c(AVG)\uff0c\u5185\u5b58\u5206\u914d\u901f\u7387\u8d8a\u5927\uff0c\u6027\u80fd\u8d8a\u597d\uff0c\u4e09\u6b21AVG\u5206\u522b\u5bf9\u5e94\u5185\u5b58\u62f7\u8d1d\uff0c\u5b57\u7b26\u4e32\u62f7\u8d1d\uff0c\u5185\u5b58\u5361\u62f7\u8d1d\u3002\nnohup mbw -q -n 1000 124000 >> .\/mbw.log 2>&1 & \ntop -p mbw[pid]<\/code><\/pre>\n\n\n\n
\u4e8c\u3001\u7cfb\u7edf\u5b9e\u65f6\u6d4b\u8bd5<\/h2>\n\n\n\n
1\u3001Cyclictest<\/strong>\u662frt-tests\u4e0b\u4e00\u4e2a\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u6d4b\u8bd5\u5de5\u5177<\/a>\uff0c\u4e3b\u8981\u7528\u6765\u6d4b\u8bd5\u4f7f\u7528\u5185\u6838\u7684\u5ef6\u8fdf\uff0c\u4ece\u800c\u5224\u65ad\u5185\u6838\u7684\u5b9e\u65f6\u6027\u3002<\/p>\n\n\n\n
#sudo yum install numactl-devel   #CentOS\u5b89\u88c5\n#apt-get install libnuma-dev   #Ubuntu\u5b89\u88c5\n\n #\u8fd0\u884c5\u4e2a\u7ebf\u7a0b\uff0c\u7ebf\u7a0b\u4f18\u5148\u7ea780\uff0c\u65e0\u9650\u5faa\u73af\nsudo cyclictest -t 5 -p 80 -n  \n#clock_nanosleep \u7ebf\u7a0b\u4f18\u5148\u7ea780\uff0c\u95f4\u969410000\u5fae\u79d2\uff0c10000\u6b21\u5faa\u73af\uff0c\u65e0\u8d1f\u8f7d\ncyclictest -t1 -p 80 -n -i 10000 -l 10000  \n#POSIX\u95f4\u9694\u8ba1\u65f6\u5668 \u7ebf\u7a0b\u4f18\u5148\u7ea780\uff0c\u95f4\u969410000\u5fae\u79d2\uff0c10000\u6b21\u5faa\u73af\uff0c\u65e0\u8d1f\u8f7d\ncyclictest -t1 -p 80 -i 10000 -l 10000\n\nsudo cyclictest -t1 -p 80 -n -i 10000 -l 10000\n\u7ed3\u679c\uff1aT: 0 (17769) P:80 I:10000 C:  10000 Min:  3 Act:  13 Avg: 14 Max: 36\n\u7ed3\u679c\u5206\u6790\uff1a\nT: 0 \u5e8f\u53f7\u4e3a0\u7684\u7ebf\u7a0b\nP: 0 \u7ebf\u7a0b\u4f18\u5148\u7ea7\u4e3a0\nC: 9397 \u8ba1\u6570\u5668\u3002\u7ebf\u7a0b\u7684\u65f6\u95f4\u95f4\u9694\u6bcf\u8fbe\u5230\u4e00\u6b21\uff0c\u8ba1\u6570\u5668\u52a01\nI: 1000 \u65f6\u95f4\u95f4\u9694\u4e3a1000\u5fae\u79d2(us)\nMin: \u6700\u5c0f\u5ef6\u65f6(us)\nAct: \u6700\u8fd1\u4e00\u6b21\u7684\u5ef6\u65f6(us)\nAvg\uff1a\u5e73\u5747\u5ef6\u65f6(us)\nMax\uff1a \u6700\u5927\u5ef6\u65f6(us)<\/code><\/pre>\n\n\n\n
2\u3001\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u80fd\u6307\u6807<\/p>\n\n\n\n

2.1 \u6307\u68071 \u4e2d\u65ad\u54cd\u5e94\u65f6\u95f4\uff08\u53ef\u5c4f\u853d\u4e2d\u65ad\uff09<\/p>\n\n\n\n
\u8ba1\u7b97\u673a\u63a5\u6536\u5230\u4e2d\u65ad\u4fe1\u53f7\u5230\u64cd\u4f5c\u7cfb\u7edf\u4f5c\u51fa\u54cd\u5e94\uff0c\u5e76\u5b8c\u6210\u5207\u6362\u8f6c\u5165\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u7684\u65f6\u95f4\u3002\u5bf9\u4e8e\u62a2\u5148\u5f0f\u5185\u6838\uff0c\u8981\u5148\u8c03\u7528\u4e00\u4e2a\u7279\u5b9a\u7684\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u901a\u77e5\u5185\u6838\u5373\u5c06\u8fdb\u884c\u4e2d\u65ad\u670d\u52a1\uff0c\u4f7f\u5f97\u5185\u6838\u53ef\u4ee5\u8ddf\u8e2a\u4e2d\u65ad\u7684\u5d4c\u5957\u3002\u62a2\u5148\u5f0f\u5185\u6838\u7684\u4e2d\u65ad\u54cd\u5e94\u65f6\u95f4\u7531\u4e0b\u5f0f\u7ed9\u51fa\uff1a\u4e2d\u65ad\u54cd\u5e94\u65f6\u95f4\uff1d\u5173\u4e2d\u65ad\u7684\u6700\u957f\u65f6\u95f4+\u4fdd\u62a4CPU\u5185\u90e8\u5bc4\u5b58\u5668\u7684\u65f6\u95f4+\u8fdb\u5165\u4e2d\u65ad\u670d\u52a1\u51fd\u6570\u7684\u6267\u884c\u65f6\u95f4+\u5f00\u59cb\u6267\u884c\u4e2d\u65ad\u670d\u52a1\u4f8b\u7a0b\uff08ISR\uff09\u7684\u7b2c\u4e00\u6761\u6307\u4ee4\u65f6\u95f4\u4e2d\u65ad\u54cd\u5e94\u65f6\u95f4\u662f\u7cfb\u7edf\u5728\u6700\u574f\u60c5\u51b5\u4e0b\u54cd\u5e94\u4e2d\u65ad\u7684\u65f6\u95f4\uff0c\u67d0\u7cfb\u7edf100\u6b21\u4e2d\u670999\u6b21\u572850ms\u4e4b\u5185\u54cd\u5e94\u4e2d\u65ad\uff0c\u53ea\u6709\u4e00\u6b21\u54cd\u5e94\u4e2d\u65ad\u7684\u65f6\u95f4\u662f250ms\uff0c\u53ea\u80fd\u8ba4\u4e3a\u4e2d\u65ad\u54cd\u5e94\u65f6\u95f4\u662f250ms\u3002<\/p>\n\n\n\n

2.2 \u6307\u68072 \u4efb\u52a1\u5207\u6362\u65f6\u95f4<\/p>\n\n\n\n
\u9664\u4e3a\u4e2d\u65ad\u5904\u7406\u63d0\u4f9b\u786e\u5b9a\u6027\u5916\uff0c\u5b9e\u65f6\u5904\u7406\u4e5f\u9700\u8981\u652f\u6301\u5468\u671f\u6027\u95f4\u9694\u7684\u4efb\u52a1\u8c03\u5ea6\u3002\u5927\u91cf\u63a7\u5236\u7cfb\u7edf\u8981\u6c42\u5468\u671f\u6027\u91c7\u6837\u4e0e\u5904\u7406\u3002\u67d0\u4e2a\u7279\u5b9a\u4efb\u52a1\u5fc5\u987b\u6309\u7167\u56fa\u5b9a\u7684\u5468\u671f\uff08p\uff09\u6267\u884c\uff0c\u4ece\u800c\u786e\u4fdd\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002\u8003\u8651\u4e00\u4e0b\u6c7d\u8f66\u7684\u9632\u62b1\u6b7b\u7cfb\u7edf\uff08ABS\uff09\u3002\u63a7\u5236\u7cfb\u7edf\u5bf9\u8f66\u8f86\u7684\u6bcf\u4e2a\u8f66\u8f6e\u7684\u8f6c\u901f\u8fdb\u884c\u91c7\u6837\uff08\u6bcf\u79d2\u6700\u591a20\u6b21\uff09\u5e76\u63a7\u5236\u6bcf\u4e2a\u5236\u52a8\u5668\u7684\u538b\u529b\uff08\u9632\u6b62\u5b83\u9501\u6b7b\uff09\u3002\u4e3a\u4e86\u4fdd\u6301\u63a7\u5236\u7cfb\u7edf\u7684\u6b63\u5e38\u5de5\u4f5c\uff0c\u4f20\u611f\u5668\u7684\u91c7\u6837\u4e0e\u63a7\u5236\u5fc5\u987b\u6309\u7167\u4e00\u5b9a\u7684\u5468\u671f\u95f4\u9694\u3002\u8fd9\u610f\u5473\u7740\u5fc5\u987b\u62a2\u5360\u5176\u4ed6\u5904\u7406\uff0c\u4ee5\u4fbfABS\u4efb\u52a1\u80fd\u6309\u7167\u671f\u671b\u7684\u5468\u671f\u6267\u884c\u3002\u5f53\u591a\u4efb\u52a1\u5185\u6838\u51b3\u5b9a\u8fd0\u884c\u53e6\u5916\u7684\u4efb\u52a1\u65f6\uff0c\u5b83\u628a\u6b63\u5728\u8fd0\u884c\u4efb\u52a1\u7684\u5f53\u524d\u72b6\u6001\uff08\u5373CPU\u5bc4\u5b58\u5668\u4e2d\u7684\u5168\u90e8\u5185\u5bb9\uff09\u4fdd\u5b58\u5230\u4efb\u52a1\u81ea\u5df1\u7684\u6808\u533a\u4e4b\u4e2d\u3002\u7136\u540e\u628a\u4e0b\u4e00\u4e2a\u5c06\u8981\u8fd0\u884c\u7684\u4efb\u52a1\u7684\u5f53\u524d\u72b6\u6001\u4ece\u8be5\u4efb\u52a1\u7684\u6808\u4e2d\u91cd\u65b0\u88c5\u5165CPU \u7684\u5bc4\u5b58\u5668\uff0c\u5e76\u5f00\u59cb\u4e0b\u4e00\u4e2a\u4efb\u52a1\u7684\u8fd0\u884c\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u79f0\u4e3a\u4efb\u52a1\u5207\u6362\u3002\u505a\u4efb\u52a1\u5207\u6362\u6240\u9700\u8981\u7684\u65f6\u95f4\u53d6\u51b3\u4e8eCPU\u6709\u591a\u5c11\u5bc4\u5b58\u5668\u8981\u5165\u6808\u3002CPU \u7684\u5bc4\u5b58\u5668\u8d8a\u591a\uff0c\u989d\u5916\u8d1f\u8377\u5c31\u8d8a\u91cd\u3002<\/p>\n\n\n\n
\u4e09\u3001\u5185\u5b58\u5904\u7406\u4ee3\u7801<\/h2>\n\n\n\n
free_mem<\/a>\u4e0b\u8f7d<\/a><\/div>\n\n\n\n
malloc_mem<\/a>\u4e0b\u8f7d<\/a><\/div>\n\n\n\n
test_mem<\/a>\u4e0b\u8f7d<\/a><\/div>\n\n\n\n
\u56db\u3001CPU\u8dd1\u6ee1\u6d4b\u8bd5<\/h2>\n\n\n\n
touch_run_cpu<\/a>\u4e0b\u8f7d<\/a><\/div>\n\n\n\n
\u4e94\u3001CPU\u6ee1\u8f7d\u6d4b\u8bd5<\/h2>\n\n\n\n
1\u3001\u5b89\u88c5stress\u5de5\u5177\u65f6\uff0c\u53ea\u9700\u8981\u6253\u5f00\u7ec8\u7aef\uff0c\u8f93\u5165\u5982\u4e0b\u547d\u4ee4<\/p>\n\n\n\n
sudo apt-get install stress<\/code><\/pre>\n\n\n\n
2\u3001\u542f\u52a8\u53c2\u6570<\/p>\n\n\n\n
stress --cpu 4<\/code><\/pre>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\n
\u4e00\u3001\u5185\u5b58\u6d4b\u8bd5 1\u3001memtester\u662f\u4e00<\/h3>\n<\/div>\n
\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"_links":{"self":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/1040"}],"collection":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1040"}],"version-history":[{"count":5,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/1040\/revisions"}],"predecessor-version":[{"id":1172,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/1040\/revisions\/1172"}],"wp:attachment":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1040"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}