{"id":36562,"date":"2024-11-26T17:53:37","date_gmt":"2024-11-26T09:53:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36562\/"},"modified":"2024-11-26T17:53:37","modified_gmt":"2024-11-26T09:53:37","slug":"linux%e5%ae%89%e8%a3%85%e4%bd%bf%e7%94%a8pidstat%e5%91%bd%e4%bb%a4%e4%bb%a5%e5%af%b9%e8%bf%9b%e7%a8%8b%e6%95%b0%e6%8d%ae%e8%bf%9b%e8%a1%8c%e7%9b%91%e6%8e%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36562\/","title":{"rendered":"Linux\u5b89\u88c5\u4f7f\u7528pidstat\u547d\u4ee4\u4ee5\u5bf9\u8fdb\u7a0b\u6570\u636e\u8fdb\u884c\u76d1\u63a7"},"content":{"rendered":"

\u5982\u4f55\u5b89\u88c5pidstat<\/strong> <\/p>\n

pidstat \u662fsysstat\u8f6f\u4ef6\u5957\u4ef6\u7684\u4e00\u90e8\u5206\uff0csysstat\u5305\u542b\u5f88\u591a\u76d1\u63a7\u7cfb\u7edf\u72b6\u6001\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u591f\u4ece\u5927\u591a\u6570linux\u53d1\u884c\u7248\u7684\u8f6f\u4ef6\u6e90\u4e2d\u83b7\u5f97\u3002<\/p>\n

\u5728Debian\/Ubuntu\u7cfb\u7edf\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u5b89\u88c5<\/p>\n

# apt-get install sysstat<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
CentOS\/Fedora\/RHEL\u7248\u672c\u7684linux\u4e2d\u5219\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<\/p>\n
# yum install sysstat<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\n\u4f7f\u7528pidstat<\/strong> <\/p>\n
\u4f7f\u7528pidstat\u4e0d\u52a0\u4efb\u4f55\u53c2\u6570\u7b49\u4ef7\u4e8e\u52a0\u4e0a-p\u53c2\u6570\uff0c\u4f46\u662f\u53ea\u6709\u6b63\u5728\u6d3b\u52a8\u7684\u4efb\u52a1\u4f1a\u88ab\u663e\u793a\u51fa\u6765\u3002<\/p>\n
# pidstat<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\"Linux\u5b89\u88c5\u4f7f\u7528pidstat\u547d\u4ee4\u4ee5\u5bf9\u8fdb\u7a0b\u6570\u636e\u8fdb\u884c\u76d1\u63a7\u63d2\u56fe\"<\/p>\n
\u3000\u3000\u3000\u3000\u5728\u7ed3\u679c\u4e2d\u4f60\u80fd\u770b\u5230\u5982\u4e0b\u5185\u5bb9\uff1a<\/strong><\/p>\n
PID – \u88ab\u76d1\u63a7\u7684\u4efb\u52a1\u7684\u8fdb\u7a0b\u53f7<\/strong> <\/p>\n
%usr – \u5f53\u5728\u7528\u6237\u5c42\u6267\u884c(\u5e94\u7528\u7a0b\u5e8f)\u65f6\u8fd9\u4e2a\u4efb\u52a1\u7684cpu\u4f7f\u7528\u7387\uff0c\u548c nice \u4f18\u5148\u7ea7\u65e0\u5173\u3002\u6ce8\u610f\u8fd9\u4e2a\u5b57\u6bb5\u8ba1\u7b97\u7684cpu\u65f6\u95f4\u4e0d\u5305\u62ec\u5728\u865a\u62df\u5904\u7406\u5668\u4e2d\u82b1\u53bb\u7684\u65f6\u95f4\u3002<\/p>\n
%system<\/span> – \u8fd9\u4e2a\u4efb\u52a1\u5728\u7cfb\u7edf\u5c42\u4f7f\u7528\u65f6\u7684cpu\u4f7f\u7528\u7387\u3002<\/p>\n
%guest<\/span> – \u4efb\u52a1\u82b1\u8d39\u5728\u865a\u62df\u673a\u4e0a\u7684cpu\u4f7f\u7528\u7387(\u8fd0\u884c\u5728\u865a\u62df\u5904\u7406\u5668)\u3002<\/p>\n
%CPU<\/span> – \u4efb\u52a1\u603b\u7684cpu\u4f7f\u7528\u7387\u3002\u5728SMP\u73af\u5883(\u591a\u5904\u7406\u5668)\u4e2d\uff0c\u5982\u679c\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165-I\u53c2\u6570\u7684\u8bdd\uff0ccpu\u4f7f\u7528\u7387\u4f1a\u9664\u4ee5\u4f60\u7684cpu\u6570\u91cf\u3002<\/p>\n
CPU<\/span> – \u6b63\u5728\u8fd0\u884c\u8fd9\u4e2a\u4efb\u52a1\u7684\u5904\u7406\u5668\u7f16\u53f7\u3002<\/p>\n
Command<\/span> – \u8fd9\u4e2a\u4efb\u52a1\u7684\u547d\u4ee4\u540d\u79f0\u3002<\/p>\n
I\/O \u7edf\u8ba1\u6570\u636e<\/strong> <\/p>\n
\u901a\u8fc7\u4f7f\u7528-d\u53c2\u6570\u6765\u5f97\u5230I\/O\u7684\u7edf\u8ba1\u6570\u636e\u3002\u6bd4\u5982\uff1a<\/p>\n
# pidstat -d -p 8472<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236
\nIO \u8f93\u51fa\u4f1a\u663e\u793a\u4e00\u4e9b\u5185\u7684\u6761\u76ee\uff1a<\/strong> <\/p>\n
kB_rd\/s<\/span> – \u4efb\u52a1\u4ece\u786c\u76d8\u4e0a\u7684\u8bfb\u53d6\u901f\u5ea6(kb)<\/p>\n
kB_wr\/s<\/span> – \u4efb\u52a1\u5411\u786c\u76d8\u4e2d\u7684\u5199\u5165\u901f\u5ea6(kb)<\/p>\n
kB_ccwr\/s<\/span> – \u4efb\u52a1\u5199\u5165\u78c1\u76d8\u88ab\u53d6\u6d88\u7684\u901f\u7387(kb)<\/p>\n
\u9875\u9762\u5931\u8d25\u548c\u5185\u5b58\u4f7f\u7528<\/strong> <\/p>\n
\u4f7f\u7528-r\u6807\u8bb0\u4f60\u80fd\u591f\u5f97\u5230\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u6570\u636e\u3002<\/p>\n
\u91cd\u8981\u7684\u6761\u76ee\uff1a<\/strong> <\/p>\n
minflt\/s<\/span> – \u4ece\u5185\u5b58\u4e2d\u52a0\u8f7d\u6570\u636e\u65f6\u6bcf\u79d2\u51fa\u73b0\u7684\u5c0f\u7684\u9519\u8bef\u7684\u6570\u76ee\uff0c\u8fd9\u4e9b\u4e0d\u8981\u6c42\u4ece\u78c1\u76d8\u8f7d\u5165\u5185\u5b58\u9875\u9762\u3002<\/p>\n
majflt\/s<\/span> – \u4ece\u5185\u5b58\u4e2d\u52a0\u8f7d\u6570\u636e\u65f6\u6bcf\u79d2\u51fa\u73b0\u7684\u8f83\u5927\u9519\u8bef\u7684\u6570\u76ee\uff0c\u8fd9\u4e9b\u8981\u6c42\u4ece\u78c1\u76d8\u8f7d\u5165\u5185\u5b58\u9875\u9762\u3002<\/p>\n
VSZ<\/span> – \u865a\u62df\u5bb9\u91cf\uff1a\u6574\u4e2a\u8fdb\u7a0b\u7684\u865a\u62df\u5185\u5b58\u4f7f\u7528(kb)<\/p>\n
RSS <\/span>– \u957f\u671f\u5185\u5b58\u4f7f\u7528\uff1a\u4efb\u52a1\u7684\u4e0d\u53ef\u4ea4\u6362\u7269\u7406\u5185\u5b58\u7684\u4f7f\u7528\u91cf(kb)<\/p>\n
\u4e3e\u4f8b<\/strong> <\/p>\n
1. \u4f60\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u76d1\u6d4b\u5185\u5b58\u4f7f\u7528<\/p>\n
# pidstat -r 2 5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u4f1a\u7ed9\u4f605\u4efd\u5173\u4e8epage faults\u7684\u7edf\u8ba1\u6570\u636e\u7ed3\u679c\uff0c\u95f4\u96942\u79d2\u3002\u8fd9\u5c06\u4f1a\u66f4\u5bb9\u6613\u7684\u5b9a\u4f4d\u51fa\u73b0\u95ee\u9898\u7684\u8fdb\u7a0b\u3002<\/p>\n
2. \u663e\u793a\u6240\u6709mysql\u670d\u52a1\u5668\u7684\u5b50\u8fdb\u7a0b<\/p>\n
# pidstat -T CHILD -C mysql<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u5c06\u6240\u6709\u7684\u7edf\u8ba1\u6570\u636e\u7ed3\u5408\u5230\u4e00\u4e2a\u4fbf\u4e8e\u9605\u8bfb\u7684\u5355\u4e00\u62a5\u544a\u4e2d\uff1a<\/p>\n
# pidstat -urd -h<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u9762\u5c31\u662fLinux\u5b89\u88c5\u4f7f\u7528pidstat\u7684\u65b9\u6cd5\u4ecb\u7ecd\u4e86\uff0c\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u76f8\u4fe1\u4f60\u5bf9\u7cfb\u7edf\u76d1\u63a7\u547d\u4ee4pidstat\u7684\u7528\u6cd5\u6709\u4e86\u4e00\u5b9a\u7684\u4e86\u89e3<\/p>\n
\u4ee5\u4e0a\u5c31\u662fLinux\u5b89\u88c5\u4f7f\u7528pidstat\u547d\u4ee4\u4ee5\u5bf9\u8fdb\u7a0b\u6570\u636e\u8fdb\u884c\u76d1\u63a7\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5b89\u88c5pidstat pidstat \u662fsysstat\u8f6f\u4ef6\u5957\u4ef6\u7684\u4e00\u90e8\u5206\uff0csysstat\u5305\u542b\u5f88\u591a\u76d1\u63a7\u7cfb\u7edf\u72b6\u6001\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u591f\u4ece\u5927\u591a\u6570linux\u53d1\u884c\u7248\u7684\u8f6f\u4ef6\u6e90\u4e2d\u83b7\u5f97\u3002 \u5728Debian\/Ubuntu\u7cfb\u7edf\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u5b89\u88c5 # apt-get install sysstat \u767b\u5f55\u540e\u590d\u5236 CentOS\/Fedora\/RHEL\u7248\u672c\u7684linux\u4e2d\u5219\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\uff1a # yum install sysstat \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528pidstat \u4f7f\u7528pidstat\u4e0d\u52a0\u4efb\u4f55\u53c2\u6570\u7b49\u4ef7\u4e8e\u52a0\u4e0a-p\u53c2\u6570\uff0c\u4f46\u662f\u53ea\u6709\u6b63\u5728\u6d3b\u52a8\u7684\u4efb\u52a1\u4f1a\u88ab\u663e\u793a\u51fa\u6765\u3002 # pidstat \u767b\u5f55\u540e\u590d\u5236 \u3000\u3000\u3000\u3000\u5728\u7ed3\u679c\u4e2d\u4f60\u80fd\u770b\u5230\u5982\u4e0b\u5185\u5bb9\uff1a PID – \u88ab\u76d1\u63a7\u7684\u4efb\u52a1\u7684\u8fdb\u7a0b\u53f7 %usr – \u5f53\u5728\u7528\u6237\u5c42\u6267\u884c(\u5e94\u7528\u7a0b\u5e8f)\u65f6\u8fd9\u4e2a\u4efb\u52a1\u7684cpu\u4f7f\u7528\u7387\uff0c\u548c nice \u4f18\u5148\u7ea7\u65e0\u5173\u3002\u6ce8\u610f\u8fd9\u4e2a\u5b57\u6bb5\u8ba1\u7b97\u7684cpu\u65f6\u95f4\u4e0d\u5305\u62ec\u5728\u865a\u62df\u5904\u7406\u5668\u4e2d\u82b1\u53bb\u7684\u65f6\u95f4\u3002 %system – \u8fd9\u4e2a\u4efb\u52a1\u5728\u7cfb\u7edf\u5c42\u4f7f\u7528\u65f6\u7684cpu\u4f7f\u7528\u7387\u3002 %guest – \u4efb\u52a1\u82b1\u8d39\u5728\u865a\u62df\u673a\u4e0a\u7684cpu\u4f7f\u7528\u7387(\u8fd0\u884c\u5728\u865a\u62df\u5904\u7406\u5668)\u3002 %CPU – \u4efb\u52a1\u603b\u7684cpu\u4f7f\u7528\u7387\u3002\u5728SMP\u73af\u5883(\u591a\u5904\u7406\u5668)\u4e2d\uff0c\u5982\u679c\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165-I\u53c2\u6570\u7684\u8bdd\uff0ccpu\u4f7f\u7528\u7387\u4f1a\u9664\u4ee5\u4f60\u7684cpu\u6570\u91cf\u3002 CPU – \u6b63\u5728\u8fd0\u884c\u8fd9\u4e2a\u4efb\u52a1\u7684\u5904\u7406\u5668\u7f16\u53f7\u3002 Command – \u8fd9\u4e2a\u4efb\u52a1\u7684\u547d\u4ee4\u540d\u79f0\u3002 I\/O \u7edf\u8ba1\u6570\u636e \u901a\u8fc7\u4f7f\u7528-d\u53c2\u6570\u6765\u5f97\u5230I\/O\u7684\u7edf\u8ba1\u6570\u636e\u3002\u6bd4\u5982\uff1a # pidstat -d -p 8472 \u767b\u5f55\u540e\u590d\u5236 IO \u8f93\u51fa\u4f1a\u663e\u793a\u4e00\u4e9b\u5185\u7684\u6761\u76ee\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-36562","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=36562"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36562\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}