What: /sys/bus/intel_th/devices/-pti/mode Date: June 2015 KernelVersion: 4.3 Contact: Alexander Shishkin Description: (RW) Configure PTI output width. Currently supported values are 4, 8, 12, 16. What: /sys/bus/intel_th/devices/-pti/freerunning_clock Date: June 2015 KernelVersion: 4.3 Contact: Alexander Shishkin Description: (RW) 0: PTI trace clock acts as a strobe which only toggles when there is trace data to send. 1: PTI trace clock is a free-running clock. What: /sys/bus/intel_th/devices/-pti/clock_divider Date: June 2015 KernelVersion: 4.3 Contact: Alexander Shishkin Description: (RW) Configure PTI port clock divider: - 0: Intel TH clock rate, - 1: 1/2 Intel TH clock rate, - 2: 1/4 Intel TH clock rate, - 3: 1/8 Intel TH clock rate.