{"id":6085,"date":"2014-03-26T13:31:02","date_gmt":"2014-03-26T17:31:02","guid":{"rendered":"http:\/\/g33kinfo.com\/info\/?p=6085"},"modified":"2014-03-26T13:31:02","modified_gmt":"2014-03-26T17:31:02","slug":"forkstat","status":"publish","type":"post","link":"https:\/\/g33kinfo.com\/info\/forkstat\/","title":{"rendered":"forkstat"},"content":{"rendered":"

From smackerelofopinion.blogspot.de<\/a><\/p>\n

forkstat: a new tool to trace process activity<\/h3>\n
<\/div>\n
One of my on-going projects is to try to reduce system activity where possible to try to shave off\u00a0wasted power consumption<\/a>.\u00a0\u00a0 One of the more interesting problems is when very short lived processes are spawned off and die and traditional tools such as ps and top sometimes don’t catch that activity.\u00a0\u00a0 Over last weekend I wrote the bulk of the forkstat tool to track down these processes.<\/p>\n

Forkstat uses the kernel\u00a0proc connector<\/a>\u00a0interface to detect process activity.\u00a0 Proc connector allows forkstat to receive notifications of process events such as fork, exec, exit, core dump and changing the process name in the comm field over a socket connection.<\/p>\n

By default, forkstat will just log fork, exec and exit events, but the -e option allows one to specify one or more of the fork, exec, exit, core dump or comm events.\u00a0 When a fork event occurs, forkstat will log the PID and process name of the parent and child, allowing one to easily identify where processes are originating.\u00a0\u00a0\u00a0 Where possible, forkstat attempts to track the life time of a process and will log the duration of a processes when it exits (note: this is not an estimate of the CPU used).<\/p>\n

The -S option to forkstat will dump out a statistical summary of activity.\u00a0 This is useful to identify the frequency of processes activity and hence identifying the top offenders.<\/p>\n

Forkstat is now available in Ubuntu 14.04 Trusty Tahr LTS.\u00a0 To install forkstat use:<\/p>\n

 sudo apt-get install forkstat  \n<\/code><\/pre>\n
For more information on the tool and examples of the forkstat output, visit the\u00a0forkstat<\/a>\u00a0quick start page.<\/div>\n
From smackerelofopinion.blogspot.de<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
From smackerelofopinion.blogspot.de forkstat: a new tool to trace process activity One of my on-going projects is to try to reduce system activity where possible to try to shave off\u00a0wasted power consumption.\u00a0\u00a0 One of the more interesting problems is when very short lived processes are spawned off and die and traditional tools such as ps and… <\/p>\n
Read More<\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-6085","post","type-post","status-publish","format-standard","hentry","category-info"],"yoast_head":"\nforkstat - Linux Shtuff<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/g33kinfo.com\/info\/forkstat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"forkstat - Linux Shtuff\" \/>\n<meta property=\"og:description\" content=\"From smackerelofopinion.blogspot.de forkstat: a new tool to trace process activity One of my on-going projects is to try to reduce system activity where possible to try to shave off\u00a0wasted power consumption.\u00a0\u00a0 One of the more interesting problems is when very short lived processes are spawned off and die and traditional tools such as ps and... 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