Class: CpuInspectCore::Collectors::MacosCollector

Inherits:
CpuInspectCore::Collector show all
Defined in:
lib/cpu_inspect_core/collectors/macos_collector.rb

Overview

macOS fallback — reports aggregate CPU only (no per-core breakdown without root access). Suitable for local development. Uses ‘top -l 2 -n 0`: the second iteration gives a live rate rather than a since-boot average.

Constant Summary collapse

CPU_LINE_RE = 
/CPU usage:\s+([\d.]+)%\s+user,\s+([\d.]+)%\s+sys/

Instance Method Summary collapse

Instance Method Details

#available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cpu_inspect_core/collectors/macos_collector.rb', line 14

def available?
  platform.include?('darwin')
end

#sample ⇒ Object 



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# File 'lib/cpu_inspect_core/collectors/macos_collector.rb', line 18

def sample
  raw   = `top -l 2 -n 0 2>/dev/null`
  lines = raw.lines.grep(CPU_LINE_RE)
  return {} if lines.empty?

  match = lines.last.match(CPU_LINE_RE)
  { 'cpu' => (match[1].to_f + match[2].to_f).round(1) }
end