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| Description: | Ruby process monitor |
| Homepage: | http://god.rubyforge.org |
| Clone URL: | git://github.com/mojombo/god.git |
| 093f0737 » | mojombo | 2007-06-16 | 1 | module God | |
| 2 | module System | ||||
| 3 | |||||
| 4 | class Process | ||||
| b1caa7a6 » | eric | 2009-10-25 | 5 | def self.fetch_system_poller | |
| 6 | @@poller ||= if SlashProcPoller.usable? | ||||
| 7 | SlashProcPoller | ||||
| 8 | else | ||||
| 9 | PortablePoller | ||||
| 10 | end | ||||
| 11 | end | ||||
| 12 | |||||
| 093f0737 » | mojombo | 2007-06-16 | 13 | def initialize(pid) | |
| 14 | @pid = pid.to_i | ||||
| b1caa7a6 » | eric | 2009-10-25 | 15 | @poller = self.class.fetch_system_poller.new(@pid) | |
| 093f0737 » | mojombo | 2007-06-16 | 16 | end | |
| 17 | |||||
| 18 | # Return true if this process is running, false otherwise | ||||
| 19 | def exists? | ||||
| 886f2815 » | mojombo | 2008-02-12 | 20 | !!::Process.kill(0, @pid) rescue false | |
| 093f0737 » | mojombo | 2007-06-16 | 21 | end | |
| 22 | |||||
| 23 | # Memory usage in kilobytes (resident set size) | ||||
| 24 | def memory | ||||
| 4bd50122 » | kevinclark | 2008-05-13 | 25 | @poller.memory | |
| 093f0737 » | mojombo | 2007-06-16 | 26 | end | |
| 27 | |||||
| 28 | # Percentage memory usage | ||||
| 29 | def percent_memory | ||||
| 4bd50122 » | kevinclark | 2008-05-13 | 30 | @poller.percent_memory | |
| 093f0737 » | mojombo | 2007-06-16 | 31 | end | |
| 32 | |||||
| 33 | # Percentage CPU usage | ||||
| 34 | def percent_cpu | ||||
| 4bd50122 » | kevinclark | 2008-05-13 | 35 | @poller.percent_cpu | |
| 093f0737 » | mojombo | 2007-06-16 | 36 | end | |
| 37 | |||||
| 38 | private | ||||
| 39 | |||||
| 466dbc34 » | kevinclark | 2008-05-13 | 40 | def fetch_system_poller | |
| b6f9cad5 » | raggi | 2008-06-16 | 41 | if SlashProcPoller.usable? | |
| 466dbc34 » | kevinclark | 2008-05-13 | 42 | SlashProcPoller | |
| 43 | else | ||||
| 44 | PortablePoller | ||||
| 45 | end | ||||
| 093f0737 » | mojombo | 2007-06-16 | 46 | end | |
| 47 | end | ||||
| 48 | |||||
| 49 | end | ||||
| b1caa7a6 » | eric | 2009-10-25 | 50 | end | |
