{"id":453,"date":"2015-09-18T10:32:00","date_gmt":"2015-09-18T02:32:00","guid":{"rendered":"http:\/\/www.ipcpu.com\/?p=453"},"modified":"2015-09-18T10:32:00","modified_gmt":"2015-09-18T02:32:00","slug":"linux-memory-smem","status":"publish","type":"post","link":"https:\/\/c.ipcpu.com\/2015\/09\/linux-memory-smem\/","title":{"rendered":"\u4f7f\u7528Smem\u7cbe\u786e\u663e\u793aLinux\u4e0b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5"},"content":{"rendered":"

\u4f7f\u7528Smem\u7cbe\u786e\u663e\u793aLinux\u4e0b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5
\n\"\"
\nsmem \u80fd\u591f\u4e3a\u4f60\u62a5\u544a\u5185\u5b58\u7684\u5360\u7528\u60c5\u51b5\uff0c\u63d0\u4f9b PID\u3001User\u3001Command\u3001Swap\u3001USS\u3001PSS\u3001RSS \u7b49\u4fe1\u606f\u3002
\n\u9664\u4e86\u4e00\u822c\u7684\u6587\u672c\u4fe1\u606f\u62a5\u544a\u5916\uff0csmem \u4e5f\u53ef\u4ee5\u751f\u6210\u6761\u72b6\u6216\u997c\u72b6\u56fe\u3002<\/p>\n

\u9879\u76ee\u5730\u5740<\/h3>\n

https:\/\/www.selenic.com\/smem\/<\/a><\/p>\n

\u5b89\u88c5<\/h3>\n

smem \u8981\u6c42 Kernel 2.6.27\u4ee5\u4e0a\u5e76\u4e14Python 2.4 \u53ca\u4ee5\u4e0a\u7248\u672c\u3001\u7ed8\u56fe\u529f\u80fd\u4f9d\u8d56matplotlib \u5e93\u3002
\n\u53ef\u4ee5\u4f7f\u7528yum\u6216\u8005apt\u76f4\u63a5\u5b89\u88c5\u3002<\/p>\n

    \n
  1. yum install smem<\/span><\/code><\/li>\n<\/ol>\n

    smem\u7684\u57fa\u672c\u4f7f\u7528<\/h3>\n

    a. \u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u52a0\u4efb\u4f55\u53c2\u6570\uff0c\u663e\u793a\u6240\u6709\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/h4>\n
      \n
    1. [<\/span>root@BJ<\/span>-<\/span>BX<\/span>-<\/span>129<\/span>-<\/span>182<\/span> ~]#<\/span>smem <\/span><\/code><\/li>\n
    2. PID <\/span>User<\/span> Command<\/span> Swap<\/span> USS PSS RSS <\/span><\/code><\/li>\n
    3. 1530<\/span> root <\/span>\/<\/span>sbin<\/span>\/<\/span>mingetty <\/span>\/<\/span>dev<\/span>\/<\/span>tty1 <\/span>0<\/span> 68<\/span> 98<\/span> 536<\/span> <\/code><\/li>\n
    4. 1532<\/span> root <\/span>\/<\/span>sbin<\/span>\/<\/span>mingetty <\/span>\/<\/span>dev<\/span>\/<\/span>tty2 <\/span>0<\/span> 68<\/span> 98<\/span> 536<\/span> <\/code><\/li>\n
    5. 1547<\/span> root <\/span>\/<\/span>sbin<\/span>\/<\/span>mingetty <\/span>\/<\/span>dev<\/span>\/<\/span>tty6 <\/span>0<\/span> 68<\/span> 98<\/span> 536<\/span> <\/code><\/li>\n
    6. Output<\/span> Omited<\/span>...<\/span><\/code><\/li>\n
    7. 17142<\/span> root <\/span>\/<\/span>home<\/span>\/<\/span>app<\/span>\/<\/span>open<\/span>-<\/span>falcon<\/span>\/<\/span>dashb <\/span>0<\/span> 13092<\/span> 14087<\/span> 19800<\/span> <\/code><\/li>\n
    8. 17139<\/span> root <\/span>\/<\/span>home<\/span>\/<\/span>app<\/span>\/<\/span>open<\/span>-<\/span>falcon<\/span>\/<\/span>dashb <\/span>0<\/span> 13104<\/span> 14093<\/span> 19800<\/span> <\/code><\/li>\n
    9. 17138<\/span> root <\/span>\/<\/span>home<\/span>\/<\/span>app<\/span>\/<\/span>open<\/span>-<\/span>falcon<\/span>\/<\/span>dashb <\/span>0<\/span> 13224<\/span> 14215<\/span> 19920<\/span> <\/code><\/li>\n
    10. 17145<\/span> root <\/span>\/<\/span>home<\/span>\/<\/span>app<\/span>\/<\/span>open<\/span>-<\/span>falcon<\/span>\/<\/span>dashb <\/span>0<\/span> 13468<\/span> 14470<\/span> 20184<\/span> <\/code><\/li>\n
    11. 13593<\/span> mysql <\/span>\/<\/span>usr<\/span>\/<\/span>libexec<\/span>\/<\/span>mysqld <\/span>--<\/span>based <\/span>0<\/span> 28716<\/span> 29089<\/span> 30276<\/span> <\/code><\/li>\n
    12. [<\/span>root@BJ<\/span>-<\/span>BX<\/span>-<\/span>129<\/span>-<\/span>182<\/span> ~]#<\/span><\/code><\/li>\n<\/ol>\n

      b. -w\u53c2\u6570\uff0c\u663e\u793a\u5185\u5b58\u7684\u6574\u4f53\u4f7f\u7528\u60c5\u51b5<\/h4>\n
        \n
      1. [<\/span>root@BJ<\/span>-<\/span>BX<\/span>-<\/span>129<\/span>-<\/span>182<\/span> ~]#<\/span>smem <\/span>-<\/span>w<\/span><\/code><\/li>\n
      2. Area<\/span> Used<\/span> Cache<\/span> Noncache<\/span> <\/code><\/li>\n
      3. firmware<\/span>\/<\/span>hardware <\/span>0<\/span> 0<\/span> 0<\/span> <\/code><\/li>\n
      4. kernel image <\/span>0<\/span> 0<\/span> 0<\/span> <\/code><\/li>\n
      5. kernel <\/span>dynamic<\/span> memory <\/span>2501892<\/span> 2414344<\/span> 87548<\/span> <\/code><\/li>\n
      6. userspace memory <\/span>236364<\/span> 40848<\/span> 195516<\/span> <\/code><\/li>\n
      7. free memory <\/span>1186788<\/span> 1186788<\/span> 0<\/span> <\/code><\/li>\n
      8. [<\/span>root@BJ<\/span>-<\/span>BX<\/span>-<\/span>129<\/span>-<\/span>182<\/span> ~]#<\/span><\/code><\/li>\n<\/ol>\n

        c. -p\u53c2\u6570\uff0c\u663e\u793a\u5185\u5b58\u4f7f\u7528\u767e\u5206\u6bd4\uff0c-u\u6309\u7167\u7528\u6237\u663e\u793a<\/h4>\n
          \n
        1. [<\/span>root@BJ<\/span>-<\/span>BX<\/span>-<\/span>129<\/span>-<\/span>182<\/span> ~]#<\/span>smem <\/span>-<\/span>up<\/span><\/code><\/li>\n
        2. User<\/span> Count<\/span> Swap<\/span> USS PSS RSS <\/span><\/code><\/li>\n
        3. postfix <\/span>2<\/span> 0.00<\/span>%<\/span> 0.07<\/span>%<\/span> 0.10<\/span>%<\/span> 0.18<\/span>%<\/span> <\/code><\/li>\n
        4. redis <\/span>1<\/span> 0.00<\/span>%<\/span> 0.16<\/span>%<\/span> 0.17<\/span>%<\/span> 0.18<\/span>%<\/span> <\/code><\/li>\n
        5. mysql <\/span>1<\/span> 0.00<\/span>%<\/span> 0.73<\/span>%<\/span> 0.74<\/span>%<\/span> 0.77<\/span>%<\/span> <\/code><\/li>\n
        6. root <\/span>36<\/span> 0.00<\/span>%<\/span> 4.73<\/span>%<\/span> 5.04<\/span>%<\/span> 6.76<\/span>%<\/span> <\/code><\/li>\n
        7. [<\/span>root@BJ<\/span>-<\/span>BX<\/span>-<\/span>129<\/span>-<\/span>182<\/span> ~]#<\/span><\/code><\/li>\n<\/ol>\n

          \u5185\u5b58 VSS,RSS,PSS,USS\u7684\u533a\u522b<\/h3>\n

          VSS - Virtual Set Size \u865a\u62df\u8017\u7528\u5185\u5b58\uff08\u5305\u542b\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff09
          \nRSS - Resident Set Size \u5b9e\u9645\u4f7f\u7528\u7269\u7406\u5185\u5b58\uff08\u5305\u542b\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff09
          \nPSS - Proportional Set Size \u5b9e\u9645\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\uff08\u6bd4\u4f8b\u5206\u914d\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff09
          \nUSS - Unique Set Size \u8fdb\u7a0b\u72ec\u81ea\u5360\u7528\u7684\u7269\u7406\u5185\u5b58\uff08\u4e0d\u5305\u542b\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff09
          \n\u4e00\u822c\u6765\u8bf4\u5185\u5b58\u5360\u7528\u5927\u5c0f\u6709\u5982\u4e0b\u89c4\u5f8b\uff1aVSS >= RSS >= PSS >= USS
          \n\"\"
          \n\"\"
          \n\"\"
          \n\"\"<\/p>\n

          \u53c2\u8003\u6587\u7ae0<\/h3>\n

          http:\/\/myeyeofjava.iteye.com\/blog\/1837860<\/a>
          \n          http:\/\/www.jianshu.com\/p\/b1c2b8bdec26<\/a><\/p>\n

          \u6765\u81ea\u4e3a\u77e5\u7b14\u8bb0(Wiz)<\/a><\/div>\n

          \u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def<\/a> » \u4f7f\u7528Smem\u7cbe\u786e\u663e\u793aLinux\u4e0b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/a><\/p>","protected":false},"excerpt":{"rendered":"

          \u4f7f\u7528Smem\u7cbe\u786e\u663e\u793aLinux\u4e0b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5 smem \u80fd\u591f\u4e3a\u4f60\u62a5\u544a\u5185\u5b58\u7684\u5360\u7528\u60c5\u51b5\uff0c\u63d0\u4f9b PID\u3001User\u3001Command\u3001Swap\u3001USS\u3001PSS\u3001RSS \u7b49\u4fe1\u606f\u3002 \u9664\u4e86\u4e00\u822c\u7684\u6587\u672c\u4fe1\u606f\u62a5\u544a\u5916\uff0csmem \u4e5f\u53ef\u4ee5\u751f\u6210\u6761\u72b6\u6216\u997c\u72b6\u56fe\u3002 \u9879\u76ee\u5730\u5740 https:\/\/www.selenic.com\/smem\/ \u5b89\u88c5 smem \u8981\u6c42 Kernel 2.6.27\u4ee5\u4e0a\u5e76\u4e14Python 2.4 \u53ca\u4ee5\u4e0a\u7248\u672c\u3001\u7ed8\u56fe\u529f\u80fd\u4f9d\u8d56matplotlib \u5e93\u3002 \u53ef\u4ee5\u4f7f\u7528yum\u6216\u8005apt\u76f4\u63a5\u5b89\u88c5\u3002 yum install smem smem\u7684\u57fa\u672c\u4f7f\u7528 a. \u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u52a0\u4efb\u4f55\u53c2\u6570\uff0c\u663e\u793a\u6240\u6709\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5 [root@BJ-BX-129-182 ~]#smem PID User Command Swap USS PSS RSS 1530 root \/sbin\/mingetty \/dev\/tty1 0 68 98 536 1532 root \/sbin\/mingetty \/dev\/tty2 0 68 98 536 1547 root \/sbin\/mingetty \/dev\/tty6 0 68 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,13],"tags":[17,44],"_links":{"self":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/453"}],"collection":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/comments?post=453"}],"version-history":[{"count":0,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/453\/revisions"}],"wp:attachment":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/media?parent=453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/categories?post=453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/tags?post=453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}