Lines Matching +full:sink +full:- +full:only

1 .. SPDX-License-Identifier: GPL-2.0
8 --------
23   - Software Trace Hub (STH), trace source, which is a System Trace
25   - Memory Storage Unit (MSU), trace output, which allows storing
27   - Parallel Trace Interface output (PTI), trace output to an external
29   - Global Trace Hub (GTH), which is a switch and a central component
33 Documentation/ABI/testing/sysfs-bus-intel_th-output-devices, the most
39 description is at Documentation/ABI/testing/sysfs-bus-intel_th-devices-gth.
47 mmap() interface and directed to a "software sink" driver that will
54 [1] https://software.intel.com/sites/default/files/managed/d3/3c/intel-th-developer-manual.pdf
57 ------------------
62 begin with this id: 0-gth, 0-msc0, 0-msc1, 0-pti, 0-sth, which is
70 -------------
74 	$ cat /sys/bus/intel_th/devices/0-msc0/port
79 	$ echo 0 > /sys/bus/intel_th/devices/0-gth/masters/33
81 # allocate a 2-windowed multiblock buffer on the first memory
84 	$ echo multi > /sys/bus/intel_th/devices/0-msc0/mode
85 	$ echo 64,64 > /sys/bus/intel_th/devices/0-msc0/nr_pages
89 	$ echo 1 > /sys/bus/intel_th/devices/0-msc0/wrap
93 	$ echo 1 > /sys/bus/intel_th/devices/0-msc0/active
99 	$ echo 0 > /sys/bus/intel_th/devices/0-msc0/active
106 ------------------
115 conflicting with the debug host's configuration accesses. The only
128 --------------
130 The Memory Storage Unit (MSU) driver provides an in-kernel API for
136  - notifying the software sink that a particular window is full, and
141  - tracking the "locked" state of windows and providing a way for the
142    software sink driver to notify the MSU driver when a window is
145 An example sink driver, msu-sink illustrates the implementation of a
146 software sink. Functionally, it simply unlocks windows as soon as they
149 to just the first one. It can be enabled by writing "sink" to the "mode"
150 file (assuming msu-sink.ko is loaded).