Object
The Top class serves as a toplevel name for the ‘top’ method.
The version of the sys-top library
Returns an array of Struct::ProcTableStruct elements containing up to num elements, sorted by field. The default number of elements is 10, while the default field is ‘pctcpu’.
Exception: the default sort field is ‘pid’ on Linux and Windows.
# File lib/sys/top.rb, line 19 def self.top(num=10, field='pctcpu') field = field.to_s if field.is_a?(Symbol) windows = /mswin|win32|dos|cygwin|mingw/ # Sort by pid on Windows by default if Config::CONFIG['host_os'].match(windows) && field == 'pctcpu' field = 'pid' end # Linux does not have a pctcpu field yet if Config::CONFIG['host_os'].match('linux') && field == 'pctcpu' field = 'pid' end Sys::ProcTable.ps.sort_by{ |obj| obj.send(field) || '' }[0..num-1] end
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