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Linux_Drivers/linux_5.10/Documentation/ABI/testing/sysfs-bus-intel_th-devices-pti
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

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What: /sys/bus/intel_th/devices/<intel_th_id>-pti/mode
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RW) Configure PTI output width. Currently supported values
are 4, 8, 12, 16.
What: /sys/bus/intel_th/devices/<intel_th_id>-pti/freerunning_clock
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
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/<intel_th_id>-pti/clock_divider
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
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.