52 lines
1.2 KiB
GDScript3
52 lines
1.2 KiB
GDScript3
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extends RefCounted
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class_name CpuCollector
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var _previous_total: int = 0
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var _previous_idle: int = 0
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var _has_previous: bool = false
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func collect() -> float:
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var stats: PackedStringArray = _read_stats()
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if stats.is_empty():
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return 0.0
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var total: int = 0
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var idle: int = 0
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for i in range(1, stats.size()):
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var val: int = stats[i].to_int()
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total += val
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if i == 4: # idle is the 4th token (index 4)
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idle = val
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if not _has_previous:
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_previous_total = total
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_previous_idle = idle
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_has_previous = true
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return 0.0
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var total_delta: int = total - _previous_total
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var idle_delta: int = idle - _previous_idle
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_previous_total = total
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_previous_idle = idle
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if total_delta == 0:
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return 0.0
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return 100.0 * (1.0 - float(idle_delta) / float(total_delta))
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func _read_stats() -> PackedStringArray:
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var file := FileAccess.open("/proc/stat", FileAccess.READ)
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if file == null:
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return PackedStringArray()
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var line: String = file.get_line()
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if not line.begins_with("cpu "):
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return PackedStringArray()
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return line.split(" ", false)
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