What: /sys/bus/coresight/devices/<memory_map>.stm/enable_source
Date: April 2016
KernelVersion: 4.7
Contact: Mathieu Poirier <[email protected]>
Description: (RW) Enable/disable tracing on this specific trace macrocell.
Enabling the trace macrocell implies it has been configured
properly and a sink has been identified for it. The path
of coresight components linking the source to the sink is
configured and managed automatically by the coresight framework.
What: /sys/bus/coresight/devices/<memory_map>.stm/hwevent_enable
Date: April 2016
KernelVersion: 4.7
Contact: Mathieu Poirier <[email protected]>
Description: (RW) Provides access to the HW event enable register, used in
conjunction with HW event bank select register.
What: /sys/bus/coresight/devices/<memory_map>.stm/hwevent_select
Date: April 2016
KernelVersion: 4.7
Contact: Mathieu Poirier <[email protected]>
Description: (RW) Gives access to the HW event block select register
(STMHEBSR) in order to configure up to 256 channels. Used in
conjunction with "hwevent_enable" register as described above.
What: /sys/bus/coresight/devices/<memory_map>.stm/port_enable
Date: April 2016
KernelVersion: 4.7
Contact: Mathieu Poirier <[email protected]>
Description: (RW) Provides access to the stimulus port enable register
(STMSPER). Used in conjunction with "port_select" described
below.
What: /sys/bus/coresight/devices/<memory_map>.stm/port_select
Date: April 2016
KernelVersion: 4.7
Contact: Mathieu Poirier <[email protected]>
Description: (RW) Used to determine which bank of stimulus port bit in
register STMSPER (see above) apply to.
What: /sys/bus/coresight/devices/<memory_map>.stm/status
Date: April 2016
KernelVersion: 4.7
Contact: Mathieu Poirier <[email protected]>
Description: (Read) List various control and status registers. The specific
layout and content is driver specific.
What: /sys/bus/coresight/devices/<memory_map>.stm/traceid
Date: April 2016
KernelVersion: 4.7
Contact: Mathieu Poirier <[email protected]>
Description: (RW) Holds the trace ID that will appear in the trace stream
coming from this trace entity.
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