9 lines
473 B
Plaintext
9 lines
473 B
Plaintext
# LinuxCNC - expose realtime tuning knobs to the plugdev group so that
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# rtapi_app can tune latency without CAP_DAC_OVERRIDE when running under
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# file capabilities. setuid-root builds do not need this rule.
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# /dev/cpu_dma_latency: harden_rt() opens this to pin CPU idle states at
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# C0, cutting wake-up jitter on AC-powered machines. Default is 0600
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# root:root, so an unprivileged rtapi_app would fail to open it.
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KERNEL=="cpu_dma_latency", MODE="0660", GROUP="plugdev"
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