{"id":3132,"date":"2018-02-16T12:27:17","date_gmt":"2018-02-16T04:27:17","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=3132"},"modified":"2025-02-08T10:47:41","modified_gmt":"2025-02-08T02:47:41","slug":"centos%e6%9f%a5%e7%9c%8b%e5%a4%9a%e6%a0%b8cpu%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/centos%e6%9f%a5%e7%9c%8b%e5%a4%9a%e6%a0%b8cpu%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8\/","title":{"rendered":"CentOS\u67e5\u770b\u591a\u6838CPU\u547d\u4ee4\u5927\u5168"},"content":{"rendered":"\n
\u67e5\u770b\u591a\u6838CPU\u547d\u4ee4<\/h5>\n\n\n\n

mpstat -P ALL  \u548c  sar -P ALL
\n\u8bf4\u660e\uff1asar -P ALL > aaa.txt   \u91cd\u5b9a\u5411\u8f93\u51fa\u5185\u5bb9\u5230\u6587\u4ef6 aaa.txt<\/p>\n\n\n\n

 <\/p>\n\n\n\n

top\u547d\u4ee4<\/h5>\n\n\n\n

\u7ecf\u5e38\u7528\u6765\u76d1\u63a7linux\u7684\u7cfb\u7edf\u72b6\u51b5\uff0c\u6bd4\u5982cpu\u3001\u5185\u5b58\u7684\u4f7f\u7528\uff0c\u7a0b\u5e8f\u5458\u57fa\u672c\u90fd\u77e5\u9053\u8fd9\u4e2a\u547d\u4ee4\uff0c\u4f46\u6bd4\u8f83\u5947\u602a\u7684\u662f\u80fd\u7528\u597d\u5b83\u7684\u4eba\u5374\u5f88\u5c11\uff0c\u4f8b\u5982top\u76d1\u63a7\u89c6\u56fe\u4e2d\u5185\u5b58\u6570\u503c\u7684\u542b\u4e49\u5c31\u6709\u4e0d\u5c11\u7684\u66f2\u89e3\u3002
\n\u672c\u6587\u901a\u8fc7\u4e00\u4e2a\u8fd0\u884c\u4e2d\u7684WEB\u670d\u52a1\u5668\u7684top\u76d1\u63a7\u622a\u56fe\uff0c\u8bb2\u8ff0top\u89c6\u56fe\u4e2d\u7684\u5404\u79cd\u6570\u636e\u7684\u542b\u4e49\uff0c\u8fd8\u5305\u62ec\u89c6\u56fe\u4e2d\u5404\u8fdb\u7a0b\uff08\u4efb\u52a1\uff09\u7684\u5b57\u6bb5\u7684\u6392\u5e8f\u3002<\/p>\n\n\n\n

top\u8fdb\u5165\u89c6\u56fe<\/h6>\n\n\n\n
\"Top<\/a>
Top Command<\/figcaption><\/figure>\n\n\n\n

\u7b2c\u4e00\u884c\uff1a
\n10:08:45 \u2014 \u5f53\u524d\u7cfb\u7edf\u65f6\u95f4
\n10 days, 3:05 \u2014 \u7cfb\u7edf\u5df2\u7ecf\u8fd0\u884c\u4e8610\u59293\u5c0f\u65f65\u5206\u949f\uff08\u5728\u8fd9\u671f\u95f4\u6ca1\u6709\u91cd\u542f\u8fc7\uff09
\n1 users \u2014 \u5f53\u524d\u67091\u4e2a\u7528\u6237\u767b\u5f55\u7cfb\u7edf
\nload average: 0.00, 0.00, 0.00 \u2014 load average\u540e\u9762\u7684\u4e09\u4e2a\u6570\u5206\u522b\u662f1\u5206\u949f\u30015\u5206\u949f\u300115\u5206\u949f\u7684\u8d1f\u8f7d\u60c5\u51b5\u3002<\/p>\n\n\n\n

load average\u6570\u636e\u662f\u6bcf\u96945\u79d2\u949f\u68c0\u67e5\u4e00\u6b21\u6d3b\u8dc3\u7684\u8fdb\u7a0b\u6570\uff0c\u7136\u540e\u6309\u7279\u5b9a\u7b97\u6cd5\u8ba1\u7b97\u51fa\u7684\u6570\u503c\u3002\u5982\u679c\u8fd9\u4e2a\u6570\u9664\u4ee5\u903b\u8f91CPU\u7684\u6570\u91cf\uff0c\u7ed3\u679c\u9ad8\u4e8e5\u7684\u65f6\u5019\u5c31\u8868\u660e\u7cfb\u7edf\u5728\u8d85\u8d1f\u8377\u8fd0\u8f6c\u4e86\u3002<\/p>\n\n\n\n

\u7b2c\u4e8c\u884c\uff1a
\nTasks \u2014 \u4efb\u52a1\uff08\u8fdb\u7a0b\uff09\uff0c\u7cfb\u7edf\u73b0\u5728\u5171\u6709135\u4e2a\u8fdb\u7a0b\uff0c\u5176\u4e2d\u5904\u4e8e\u8fd0\u884c\u4e2d\u7684\u67091\u4e2a\uff0c134\u4e2a\u5728\u4f11\u7720\uff08sleep\uff09\uff0cstoped\u72b6\u6001\u7684\u67090\u4e2a\uff0czombie\u72b6\u6001\uff08\u50f5\u5c38\uff09\u7684\u67090\u4e2a\u3002<\/p>\n\n\n\n

\u7b2c\u4e09\u884c\uff1acpu\u72b6\u6001
\n0.3% us \u2014 \u7528\u6237\u7a7a\u95f4\u5360\u7528CPU\u7684\u767e\u5206\u6bd4\u3002
\n0.0% sy \u2014 \u5185\u6838\u7a7a\u95f4\u5360\u7528CPU\u7684\u767e\u5206\u6bd4\u3002
\n0.0% ni \u2014 \u6539\u53d8\u8fc7\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u5360\u7528CPU\u7684\u767e\u5206\u6bd4
\n99.7% id \u2014 \u7a7a\u95f2CPU\u767e\u5206\u6bd4
\n0.0% wa \u2014 IO\u7b49\u5f85\u5360\u7528CPU\u7684\u767e\u5206\u6bd4
\n0.0% hi \u2014 \u786c\u4e2d\u65ad\uff08Hardware IRQ\uff09\u5360\u7528CPU\u7684\u767e\u5206\u6bd4
\n0.0% si \u2014 \u8f6f\u4e2d\u65ad\uff08Software Interrupts\uff09\u5360\u7528CPU\u7684\u767e\u5206\u6bd4<\/p>\n\n\n\n

\u5728\u8fd9\u91ccCPU\u7684\u4f7f\u7528\u6bd4\u7387\u548cwindows\u6982\u5ff5\u4e0d\u540c\uff0c\u5982\u679c\u4f60\u4e0d\u7406\u89e3\u7528\u6237\u7a7a\u95f4\u548c\u5185\u6838\u7a7a\u95f4\uff0c\u9700\u8981\u5145\u5145\u7535\u4e86\u3002<\/p>\n\n\n\n

\u7b2c\u56db\u884c\uff1a\u5185\u5b58\u72b6\u6001
\n3808060k total \u2014 \u7269\u7406\u5185\u5b58\u603b\u91cf\uff084GB\uff09
\n3660048k used \u2014 \u4f7f\u7528\u4e2d\u7684\u5185\u5b58\u603b\u91cf\uff083.6GB\uff09
\n148012k free \u2014 \u7a7a\u95f2\u5185\u5b58\u603b\u91cf\uff08148M\uff09
\n359760k buffers \u2014 \u7f13\u5b58\u7684\u5185\u5b58\u91cf \uff08359M\uff09<\/p>\n\n\n\n

\u7b2c\u4e94\u884c\uff1aswap\u4ea4\u6362\u5206\u533a
\n4184924k total \u2014 \u4ea4\u6362\u533a\u603b\u91cf\uff084G\uff09
\n0k used \u2014 \u4f7f\u7528\u7684\u4ea4\u6362\u533a\u603b\u91cf\uff080M\uff09
\n4184924k free \u2014 \u7a7a\u95f2\u4ea4\u6362\u533a\u603b\u91cf\uff084G\uff09
\n2483956k cached \u2014 \u7f13\u51b2\u7684\u4ea4\u6362\u533a\u603b\u91cf\uff082483M\uff09<\/p>\n\n\n\n

\u7b2c\u56db\u884c\u4e2d\u4f7f\u7528\u4e2d\u7684\u5185\u5b58\u603b\u91cf\uff08used\uff09\u6307\u7684\u662f\u73b0\u5728\u7cfb\u7edf\u5185\u6838\u63a7\u5236\u7684\u5185\u5b58\u6570\uff0c\u7a7a\u95f2\u5185\u5b58\u603b\u91cf\uff08free\uff09\u662f\u5185\u6838\u8fd8\u672a\u7eb3\u5165\u5176\u7ba1\u63a7\u8303\u56f4\u7684\u6570\u91cf\u3002\u7eb3\u5165\u5185\u6838\u7ba1\u7406\u7684\u5185\u5b58\u4e0d\u89c1\u5f97\u90fd\u5728\u4f7f\u7528\u4e2d\uff0c\u8fd8\u5305\u62ec\u8fc7\u53bb\u4f7f\u7528\u8fc7\u7684\u73b0\u5728\u53ef\u4ee5\u88ab\u91cd\u590d\u5229\u7528\u7684\u5185\u5b58\uff0c\u5185\u6838\u5e76\u4e0d\u628a\u8fd9\u4e9b\u53ef\u88ab\u91cd\u65b0\u4f7f\u7528\u7684\u5185\u5b58\u4ea4\u8fd8\u5230free\u4e2d\u53bb\uff0c\u56e0\u6b64\u5728linux\u4e0afree\u5185\u5b58\u4f1a\u8d8a\u6765\u8d8a\u5c11\uff0c\u4f46\u4e0d\u7528\u4e3a\u6b64\u62c5\u5fc3\u3002<\/p>\n\n\n\n

\u5982\u679c\u51fa\u4e8e\u4e60\u60ef\u53bb\u8ba1\u7b97\u53ef\u7528\u5185\u5b58\u6570\uff0c\u8fd9\u91cc\u6709\u4e2a\u8fd1\u4f3c\u7684\u8ba1\u7b97\u516c\u5f0f\uff1a\u7b2c\u56db\u884c\u7684free + \u7b2c\u56db\u884c\u7684buffers + \u7b2c\u4e94\u884c\u7684cached\uff0c\u6309\u8fd9\u4e2a\u516c\u5f0f\u6b64\u53f0\u670d\u52a1\u5668\u7684\u53ef\u7528\u5185\u5b58\uff1a148M+259M+2483M = 2990M\u3002<\/p>\n\n\n\n

\u5bf9\u4e8e\u5185\u5b58\u76d1\u63a7\uff0c\u5728top\u91cc\u6211\u4eec\u8981\u65f6\u523b\u76d1\u63a7\u7b2c\u4e94\u884cswap\u4ea4\u6362\u5206\u533a\u7684used\uff0c\u5982\u679c\u8fd9\u4e2a\u6570\u503c\u5728\u4e0d\u65ad\u7684\u53d8\u5316\uff0c\u8bf4\u660e\u5185\u6838\u5728\u4e0d\u65ad\u8fdb\u884c\u5185\u5b58\u548cswap\u7684\u6570\u636e\u4ea4\u6362\uff0c\u8fd9\u662f\u771f\u6b63\u7684\u5185\u5b58\u4e0d\u591f\u7528\u4e86\u3002<\/p>\n\n\n\n

\u7b2c\u516d\u884c\u662f\u7a7a\u884c<\/p>\n\n\n\n

\u7b2c\u4e03\u884c\u4ee5\u4e0b\uff1a\u5404\u8fdb\u7a0b\uff08\u4efb\u52a1\uff09\u7684\u72b6\u6001\u76d1\u63a7
\nPID \u2014 \u8fdb\u7a0bid
\nUSER \u2014 \u8fdb\u7a0b\u6240\u6709\u8005
\nPR \u2014 \u8fdb\u7a0b\u4f18\u5148\u7ea7
\nNI \u2014 nice\u503c\u3002\u8d1f\u503c\u8868\u793a\u9ad8\u4f18\u5148\u7ea7\uff0c\u6b63\u503c\u8868\u793a\u4f4e\u4f18\u5148\u7ea7
\nVIRT \u2014 \u8fdb\u7a0b\u4f7f\u7528\u7684\u865a\u62df\u5185\u5b58\u603b\u91cf\uff0c\u5355\u4f4dkb\u3002VIRT=SWAP+RES
\nRES \u2014 \u8fdb\u7a0b\u4f7f\u7528\u7684\u3001\u672a\u88ab\u6362\u51fa\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f\uff0c\u5355\u4f4dkb\u3002RES=CODE+DATA
\nSHR \u2014 \u5171\u4eab\u5185\u5b58\u5927\u5c0f\uff0c\u5355\u4f4dkb
\nS \u2014 \u8fdb\u7a0b\u72b6\u6001\u3002D=\u4e0d\u53ef\u4e2d\u65ad\u7684\u7761\u7720\u72b6\u6001 R=\u8fd0\u884c S=\u7761\u7720 T=\u8ddf\u8e2a\/\u505c\u6b62 Z=\u50f5\u5c38\u8fdb\u7a0b
\n%CPU \u2014 \u4e0a\u6b21\u66f4\u65b0\u5230\u73b0\u5728\u7684CPU\u65f6\u95f4\u5360\u7528\u767e\u5206\u6bd4
\n%MEM \u2014 \u8fdb\u7a0b\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u767e\u5206\u6bd4
\nTIME+ \u2014 \u8fdb\u7a0b\u4f7f\u7528\u7684CPU\u65f6\u95f4\u603b\u8ba1\uff0c\u5355\u4f4d1\/100\u79d2
\nCOMMAND \u2014 \u8fdb\u7a0b\u540d\u79f0\uff08\u547d\u4ee4\u540d\/\u547d\u4ee4\u884c\uff09<\/p>\n\n\n\n

\u591aU\u591a\u6838CPU\u76d1\u63a7<\/h6>\n\n\n\n

\u5728top\u57fa\u672c\u89c6\u56fe\u4e2d\uff0c\u6309\u952e\u76d8\u6570\u5b57\u201c1\u201d\uff0c\u53ef\u76d1\u63a7\u6bcf\u4e2a\u903b\u8f91CPU\u7684\u72b6\u51b5\uff1a<\/p>\n\n\n\n

\"Top<\/a>
Top Command CPU Use rate<\/figcaption><\/figure>\n\n\n\n

\u89c2\u5bdf\u4e0a\u56fe\uff0c\u670d\u52a1\u5668\u67094\u4e2a\u903b\u8f91CPU\uff0c\u5b9e\u9645\u4e0a\u662f1\u4e2a\u7269\u7406CPU\u3002<\/p>\n\n\n\n

\u5982\u679c\u4e0d\u63091\uff0c\u5219\u5728top\u89c6\u56fe\u91cc\u9762\u663e\u793a\u7684\u662f\u6240\u6709cpu\u7684\u5e73\u5747\u503c\u3002<\/p>\n\n\n\n

\u8fdb\u7a0b\u5b57\u6bb5\u6392\u5e8f<\/h6>\n\n\n\n

\u9ed8\u8ba4\u8fdb\u5165top\u65f6\uff0c\u5404\u8fdb\u7a0b\u662f\u6309\u7167CPU\u7684\u5360\u7528\u91cf\u6765\u6392\u5e8f\u7684\uff0c\u5728\u3010top\u89c6\u56fe 01\u3011\u4e2d\u8fdb\u7a0bID\u4e3a14210\u7684java\u8fdb\u7a0b\u6392\u5728\u7b2c\u4e00\uff08cpu\u5360\u7528100%\uff09\uff0c\u8fdb\u7a0bID\u4e3a14183\u7684java\u8fdb\u7a0b\u6392\u5728\u7b2c\u4e8c\uff08cpu\u5360\u752812%\uff09\u3002\u53ef\u901a\u8fc7\u952e\u76d8\u6307\u4ee4\u6765\u6539\u53d8\u6392\u5e8f\u5b57\u6bb5\uff0c\u6bd4\u5982\u60f3\u76d1\u63a7\u54ea\u4e2a\u8fdb\u7a0b\u5360\u7528MEM\u6700\u591a\uff0c\u6211\u4e00\u822c\u7684\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n

1. \u6572\u51fb\u952e\u76d8\u201cb\u201d\uff08\u6253\u5f00\/\u5173\u95ed\u52a0\u4eae\u6548\u679c\uff09\uff0ctop\u7684\u89c6\u56fe\u53d8\u5316\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\"\u6253\u5f00\/\u5173\u95ed\u52a0\u4eae\u6548\u679c\"<\/a>
\u6253\u5f00\/\u5173\u95ed\u52a0\u4eae\u6548\u679c<\/figcaption><\/figure>\n\n\n\n

\u6211\u4eec\u53d1\u73b0\u8fdb\u7a0bid\u4e3a12363\u7684\u201ctop\u201d\u8fdb\u7a0b\u88ab\u52a0\u4eae\u4e86\uff0ctop\u8fdb\u7a0b\u5c31\u662f\u89c6\u56fe\u7b2c\u4e8c\u884c\u663e\u793a\u7684\u552f\u4e00\u7684\u8fd0\u884c\u6001\uff08runing\uff09\u7684\u90a3\u4e2a\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u6572\u51fb\u201cy\u201d\u952e\u5173\u95ed\u6216\u6253\u5f00\u8fd0\u884c\u6001\u8fdb\u7a0b\u7684\u52a0\u4eae\u6548\u679c\u3002
\n2. \u6572\u51fb\u952e\u76d8\u201cx\u201d\uff08\u6253\u5f00\/\u5173\u95ed\u6392\u5e8f\u5217\u7684\u52a0\u4eae\u6548\u679c\uff09\uff0ctop\u7684\u89c6\u56fe\u53d8\u5316\u5982\u4e0b\uff1a
\n\u53ef\u4ee5\u770b\u5230\uff0ctop\u9ed8\u8ba4\u7684\u6392\u5e8f\u5217\u662f\u201c%CPU\u201d\u3002
\n3. \u901a\u8fc7\u201dshift + >\u201d\u6216\u201dshift + <\u201d\u53ef\u4ee5\u5411\u53f3\u6216\u5de6\u6539\u53d8\u6392\u5e8f\u5217\uff0c\u4e0b\u56fe\u662f\u6309\u4e00\u6b21\u201dshift + >\u201d\u7684\u6548\u679c\u56fe\uff1a<\/p>\n\n\n\n

\"Press<\/a>
Press shift\u00a0+\u00a0><\/figcaption><\/figure>\n\n\n\n

\u00a0\u89c6\u56fe\u73b0\u5728\u5df2\u7ecf\u6309\u7167%MEM\u6765\u6392\u5e8f\u4e86\u3002<\/p>\n\n\n\n

\u6539\u53d8\u8fdb\u7a0b\u663e\u793a\u5b57\u6bb5<\/h6>\n\n\n\n

1. \u6572\u51fb\u201cf\u201d\u952e\uff0ctop\u8fdb\u5165\u53e6\u4e00\u4e2a\u89c6\u56fe\uff0c\u5728\u8fd9\u91cc\u53ef\u4ee5\u7f16\u6392\u57fa\u672c\u89c6\u56fe\u4e2d\u7684\u663e\u793a\u5b57\u6bb5\uff1a<\/p>\n\n\n\n

\"\u6572\u51fb\u201cf\u201d\u952e\"<\/a>
\u6572\u51fb\u201cf\u201d\u952e<\/figcaption><\/figure>\n\n\n\n

\u8fd9\u91cc\u5217\u51fa\u4e86\u6240\u6709\u53ef\u5728top\u57fa\u672c\u89c6\u56fe\u4e2d\u663e\u793a\u7684\u8fdb\u7a0b\u5b57\u6bb5\uff0c\u6709\u201d*\u201d\u5e76\u4e14\u6807\u6ce8\u4e3a\u5927\u5199\u5b57\u6bcd\u7684\u5b57\u6bb5\u662f\u53ef\u663e\u793a\u7684\uff0c\u6ca1\u6709\u201d*\u201d\u5e76\u4e14\u662f\u5c0f\u5199\u5b57\u6bcd\u7684\u5b57\u6bb5\u662f\u4e0d\u663e\u793a\u7684\u3002\u5982\u679c\u8981\u5728\u57fa\u672c\u89c6\u56fe\u4e2d\u663e\u793a\u201cCODE\u201d\u548c\u201cDATA\u201d\u4e24\u4e2a\u5b57\u6bb5\uff0c\u53ef\u4ee5\u901a\u8fc7\u6572\u51fb\u201cr\u201d\u548c\u201cs\u201d\u952e\uff1a<\/p>\n\n\n\n

 2. \u201c\u56de\u8f66\u201d\u8fd4\u56de\u57fa\u672c\u89c6\u56fe\uff0c\u53ef\u4ee5\u770b\u5230\u591a\u4e86\u201cCODE\u201d\u548c\u201cDATA\u201d\u4e24\u4e2a\u5b57\u6bb5\uff1a<\/p>\n\n\n\n

\"\u663e\u793a\u201cCODE\u201d\u548c\u201cDATA\u201d\"<\/a>
\u663e\u793a\u201cCODE\u201d\u548c\u201cDATA\u201d<\/figcaption><\/figure>\n\n\n\n
top\u547d\u4ee4\u7684\u8865\u5145<\/h6>\n\n\n\n

top\u547d\u4ee4\u662fLinux\u4e0a\u8fdb\u884c\u7cfb\u7edf\u76d1\u63a7\u7684\u9996\u9009\u547d\u4ee4\uff0c\u4f46\u6709\u65f6\u5019\u5374\u8fbe\u4e0d\u5230\u6211\u4eec\u7684\u8981\u6c42\uff0c\u6bd4\u5982\u5f53\u524d\u8fd9\u53f0\u670d\u52a1\u5668\uff0ctop\u76d1\u63a7\u6709\u5f88\u5927\u7684\u5c40\u9650\u6027\u3002\u8fd9\u53f0\u670d\u52a1\u5668\u8fd0\u884c\u7740websphere\u96c6\u7fa4\uff0c\u6709\u4e24\u4e2a\u8282\u70b9\u670d\u52a1\uff0c\u5c31\u662f\u3010top\u89c6\u56fe 01\u3011\u4e2d\u7684\u8001\u5927\u3001\u8001\u4e8c\u4e24\u4e2ajava\u8fdb\u7a0b\uff0ctop\u547d\u4ee4\u7684\u76d1\u63a7\u6700\u5c0f\u5355\u4f4d\u662f\u8fdb\u7a0b\uff0c\u6240\u4ee5\u770b\u4e0d\u5230\u6211\u5173\u5fc3\u7684java\u7ebf\u7a0b\u6570\u548c\u5ba2\u6237\u8fde\u63a5\u6570\uff0c\u800c\u8fd9\u4e24\u4e2a\u6307\u6807\u662fjava\u7684web\u670d\u52a1\u975e\u5e38\u91cd\u8981\u7684\u6307\u6807\uff0c\u901a\u5e38\u6211\u7528ps\u548cnetstate\u4e24\u4e2a\u547d\u4ee4\u6765\u8865\u5145top\u7684\u4e0d\u8db3\u3002<\/p>\n\n\n\n

 \u76d1\u63a7java\u7ebf\u7a0b\u6570\uff1a<\/p>\n\n\n\n

ps -eLf | grep java | wc -l<\/p>\n\n\n\n

\u76d1\u63a7\u7f51\u7edc\u5ba2\u6237\u8fde\u63a5\u6570\uff1a<\/p>\n\n\n\n

netstat -n | grep tcp | grep \u4fa6\u542c\u7aef\u53e3 | wc -l<\/p>\n\n\n\n

\u4e0a\u9762\u4e24\u4e2a\u547d\u4ee4\uff0c\u53ef\u6539\u52a8grep\u7684\u53c2\u6570\uff0c\u6765\u8fbe\u5230\u66f4\u7ec6\u81f4\u7684\u76d1\u63a7\u8981\u6c42\u3002<\/p>\n\n\n\n

\u5728Linux\u7cfb\u7edf\u201c\u4e00\u5207\u90fd\u662f\u6587\u4ef6\u201d\u7684\u601d\u60f3\u8d2f\u5f7b\u6307\u5bfc\u4e0b\uff0c\u6240\u6709\u8fdb\u7a0b\u7684\u8fd0\u884c\u72b6\u6001\u90fd\u53ef\u4ee5\u7528\u6587\u4ef6\u6765\u83b7\u53d6\u3002\u7cfb\u7edf\u6839\u76ee\u5f55\/proc\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u6570\u5b57\u5b50\u76ee\u5f55\u7684\u540d\u5b57\u90fd\u662f\u8fd0\u884c\u4e2d\u7684\u8fdb\u7a0b\u7684PID\uff0c\u8fdb\u5165\u4efb\u4e00\u4e2a\u8fdb\u7a0b\u76ee\u5f55\uff0c\u53ef\u901a\u8fc7\u5176\u4e2d\u6587\u4ef6\u6216\u76ee\u5f55\u6765\u89c2\u5bdf\u8fdb\u7a0b\u7684\u5404\u9879\u8fd0\u884c\u6307\u6807\uff0c\u4f8b\u5982task\u76ee\u5f55\u5c31\u662f\u7528\u6765\u63cf\u8ff0\u8fdb\u7a0b\u4e2d\u7ebf\u7a0b\u7684\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u7684\u65b9\u6cd5\u83b7\u53d6\u67d0\u8fdb\u7a0b\u4e2d\u8fd0\u884c\u4e2d\u7684\u7ebf\u7a0b\u6570\u91cf\uff08PID\u6307\u7684\u662f\u8fdb\u7a0bID\uff09\uff1a<\/p>\n\n\n\n

ls \/proc\/PID\/task | wc -l
\n\u5728linux\u4e2d\u8fd8\u6709\u4e00\u4e2a\u547d\u4ee4pmap\uff0c\u6765\u8f93\u51fa\u8fdb\u7a0b\u5185\u5b58\u7684\u72b6\u51b5\uff0c\u53ef\u4ee5\u7528\u6765\u5206\u6790\u7ebf\u7a0b\u5806\u6808\uff1a<\/p>\n\n\n\n

 pmap PID<\/p>\n\n\n\n

\u5927\u5bb6\u90fd\u719f\u6089Linux\u4e0b\u53ef\u4ee5\u901a\u8fc7top\u547d\u4ee4\u6765\u67e5\u770b\u6240\u6709\u8fdb\u7a0b\u7684\u5185\u5b58\uff0cCPU\u7b49\u4fe1\u606f\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u547d\u4ee4\uff0c\u53ef\u4ee5\u5f97\u5230\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u8fdb\u7a0b\u76f8\u5173<\/p>\n\n\n\n

cat \/proc\/your_PID\/status<\/p>\n\n\n\n

\u901a\u8fc7top\u6216ps -ef | grep ‘\u8fdb\u7a0b\u540d’ \u5f97\u5230\u8fdb\u7a0b\u7684PID\u3002\u8be5\u547d\u4ee4\u53ef\u4ee5\u63d0\u4f9b\u8fdb\u7a0b\u72b6\u6001\u3001\u6587\u4ef6\u53e5\u67c4\u6570\u3001\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7b49\u4fe1\u606f\u3002
\n\u5185\u5b58\u76f8\u5173
\nvmstat -s -S M
\n\u8be5\u53ef\u4ee5\u67e5\u770b\u5305\u542b\u5185\u5b58\u6bcf\u4e2a\u9879\u76ee\u7684\u62a5\u544a\uff0c\u901a\u8fc7-S M\u6216-S k\u53ef\u4ee5\u6307\u5b9a\u67e5\u770b\u7684\u5355\u4f4d\uff0c\u9ed8\u8ba4\u4e3akb\u3002\u7ed3\u5408watch\u547d\u4ee4\u5c31\u53ef\u4ee5\u770b\u5230\u52a8\u6001\u53d8\u5316\u7684\u62a5\u544a\u4e86\u3002<\/p>\n\n\n\n

\u4e5f\u53ef\u7528  cat \/proc\/meminfo<\/p>\n\n\n\n

\u8981\u770bcpu\u7684\u914d\u7f6e\u4fe1\u606f\u53ef\u7528<\/p>\n\n\n\n

cat \/proc\/cpuinfo<\/p>\n\n\n\n

\u5b83\u80fd\u663e\u793a\u8bf8\u5982CPU\u6838\u5fc3\u6570\uff0c\u65f6\u949f\u9891\u7387\u3001CPU\u578b\u53f7\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n

\u8981\u67e5\u770bcpu\u6ce2\u52a8\u60c5\u51b5\u7684\uff0c\u5c24\u5176\u662f\u591a\u6838\u673a\u5668\u4e0a\uff0c\u53ef\u4f7f\u7528<\/p>\n\n\n\n

mpstat -P ALL 10<\/p>\n\n\n\n

\u8be5\u547d\u4ee4\u53ef\u95f4\u969410\u79d2\u949f\u91c7\u6837\u4e00\u6b21CPU\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u6bcf\u4e2a\u6838\u7684\u60c5\u51b5\u90fd\u4f1a\u663e\u793a\u51fa\u6765\uff0c\u4f8b\u5982\uff0c\u6bcf\u4e2a\u6838\u7684idle\u60c5\u51b5\u7b49\u3002
\n\u53ea\u9700\u67e5\u770b\u5747\u503c\u7684\uff0c\u53ef\u7528
\niostat -c
\nIO\u76f8\u5173
\niostat -P ALL
\n\u8be5\u547d\u4ee4\u53ef\u67e5\u770b\u6240\u6709\u8bbe\u5907\u4f7f\u7528\u7387\u3001\u8bfb\u5199\u5b57\u8282\u6570\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n

\u53e6\u5916\uff0chtop \uff0c\u6709\u65f6\u95f4\u53ef\u4ee5\u7528\u4e00\u4e0b\u3002<\/p>\n\n\n\n

 <\/p>\n\n\n\n

 <\/p>\n\n\n\n

Linux\u67e5\u770b\u7269\u7406CPU\u4e2a\u6570\u3001\u6838\u6570\u3001\u903b\u8f91CPU\u4e2a\u6570<\/h5>\n\n\n\n

# \u603b\u6838\u6570 = \u7269\u7406CPU\u4e2a\u6570 X \u6bcf\u9897\u7269\u7406CPU\u7684\u6838\u6570<\/p>\n\n\n\n

# \u603b\u903b\u8f91CPU\u6570 = \u7269\u7406CPU\u4e2a\u6570 X \u6bcf\u9897\u7269\u7406CPU\u7684\u6838\u6570 X \u8d85\u7ebf\u7a0b\u6570<\/p>\n\n\n\n

 <\/p>\n\n\n\n

# \u67e5\u770b\u7269\u7406CPU\u4e2a\u6570<\/p>\n\n\n\n

cat \/proc\/cpuinfo| grep “physical id”| sort| uniq| wc -l<\/p>\n\n\n\n

 <\/p>\n\n\n\n

# \u67e5\u770b\u6bcf\u4e2a\u7269\u7406CPU\u4e2dcore\u7684\u4e2a\u6570(\u5373\u6838\u6570)<\/p>\n\n\n\n

cat \/proc\/cpuinfo| grep “cpu cores”| uniq<\/p>\n\n\n\n

 <\/p>\n\n\n\n

# \u67e5\u770b\u903b\u8f91CPU\u7684\u4e2a\u6570<\/p>\n\n\n\n

cat \/proc\/cpuinfo| grep “processor”| wc -l<\/p>\n\n\n\n

 <\/p>\n\n\n\n

\u67e5\u770bCPU\u4fe1\u606f\uff08\u578b\u53f7\uff09
\ncat \/proc\/cpuinfo | grep name | cut -f2 -d: | uniq -c<\/p>\n","protected":false},"excerpt":{"rendered":"

\u67e5\u770b\u591a\u6838CPU\u547d\u4ee4 mpstat -P ALL  \u548c &nb … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,49,5],"tags":[822],"class_list":["post-3132","post","type-post","status-publish","format-standard","hentry","category-hemanual","category-linux","category-jishu","tag-linuxcpu"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=3132"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3132\/revisions"}],"predecessor-version":[{"id":9971,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3132\/revisions\/9971"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=3132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=3132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=3132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}