Method: LinuxStat::ProcessInfo.threads

Defined in:

lib/linux_stat/process_info.rb

.threads(pid = $$) ⇒ Object

threads(pid = $$)

Where pid is the process ID.

By default it is the id of the current process ($$)

It retuns the threads for the current process in Integer.

For example:

LinuxStat::ProcessInfo.threads

=> 2

But if the info isn’t available, it will return nil.

This method is way more efficient than running LinuxStat::ProcessInfo.cpu_stat()

# File 'lib/linux_stat/process_info.rb', line 462

def threads(pid = $$)
	file = "/proc/#{pid}/stat".freeze
	return nil unless File.readable?(file)

	data = IO.read(file).split(/(\(.*\))/)[-1] &.split &.at(17)
	data ? data.to_i : nil
end