| What: /sys/bus/coresight/devices/<memory_map>.etm/enable_source |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Enable/disable tracing on this specific trace entiry. |
| Enabling a source implies the source has been configured |
| properly and a sink has been identidifed 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>.etm/cpu |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) The CPU this tracing entity is associated with. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/nr_pe_cmp |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates the number of PE comparator inputs that are |
| available for tracing. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/nr_addr_cmp |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates the number of address comparator pairs that are |
| available for tracing. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/nr_cntr |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates the number of counters that are available for |
| tracing. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/nr_ext_inp |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates how many external inputs are implemented. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/numcidc |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates the number of Context ID comparators that are |
| available for tracing. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/numvmidc |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates the number of VMID comparators that are available |
| for tracing. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/nrseqstate |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates the number of sequencer states that are |
| implemented. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/nr_resource |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates the number of resource selection pairs that are |
| available for tracing. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/nr_ss_cmp |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (R) Indicates the number of single-shot comparator controls that |
| are available for tracing. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/reset |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (W) Cancels all configuration on a trace unit and set it back |
| to its boot configuration. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/mode |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls various modes supported by this ETM, for example |
| P0 instruction tracing, branch broadcast, cycle counting and |
| context ID tracing. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/pe |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls which PE to trace. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/event |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls the tracing of arbitrary events from bank 0 to 3. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/event_instren |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls the behavior of the events in bank 0 to 3. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/event_ts |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls the insertion of global timestamps in the trace |
| streams. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/syncfreq |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls how often trace synchronization requests occur. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/cyc_threshold |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Sets the threshold value for cycle counting. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/bb_ctrl |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls which regions in the memory map are enabled to |
| use branch broadcasting. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/event_vinst |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls instruction trace filtering. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/s_exlevel_vinst |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) In Secure state, each bit controls whether instruction |
| tracing is enabled for the corresponding exception level. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/ns_exlevel_vinst |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) In non-secure state, each bit controls whether instruction |
| tracing is enabled for the corresponding exception level. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/addr_idx |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Select which address comparator or pair (of comparators) to |
| work with. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/addr_instdatatype |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls what type of comparison the trace unit performs. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/addr_single |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Used to setup single address comparator values. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/addr_range |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Used to setup address range comparator values. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/seq_idx |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Select which sequensor. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/seq_state |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Use this to set, or read, the sequencer state. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/seq_event |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Moves the sequencer state to a specific state. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/seq_reset_event |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Moves the sequencer to state 0 when a programmed event |
| occurs. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_idx |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Select which counter unit to work with. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/cntrldvr |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) This sets or returns the reload count value of the |
| specific counter. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_val |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) This sets or returns the current count value of the |
| specific counter. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_ctrl |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls the operation of the selected counter. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/res_idx |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Select which resource selection unit to work with. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/res_ctrl |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Controls the selection of the resources in the trace unit. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_idx |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Select which context ID comparator to work with. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_val |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Get/Set the context ID comparator value to trigger on. |
| |
| What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_masks |
| Date: April 2015 |
| KernelVersion: 4.01 |
| Contact: Mathieu Poirier <mathieu.poirier@linaro.org> |
| Description: (RW) Mask for all 8 context ID comparator value |
| registers (if implemented). |
