On Thu, Aug 29, 2019 at 10:33:19PM +0100, Mike Leach wrote: > Update document to include the new sysfs features added during this > patchset. > > Updated to reflect the new sysfs component nameing schema. > > Signed-off-by: Mike Leach <[email protected]> > --- > .../testing/sysfs-bus-coresight-devices-etm4x | 183 +++++++++++------- > 1 file changed, 115 insertions(+), 68 deletions(-) > > diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x > b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x > index 36258bc1b473..112c50ae9986 100644 > --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x > +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x > @@ -1,4 +1,4 @@ > -What: > /sys/bus/coresight/devices/<memory_map>.etm/enable_source > +What: /sys/bus/coresight/devices/etm<N>/enable_source > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > @@ -8,82 +8,82 @@ Description: (RW) Enable/disable tracing on this > specific trace entiry. > 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 > +What: /sys/bus/coresight/devices/etm<N>/cpu > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) The CPU this tracing entity is associated with. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/nr_pe_cmp > +What: /sys/bus/coresight/devices/etm<N>/nr_pe_cmp > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > 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 > +What: /sys/bus/coresight/devices/etm<N>/nr_addr_cmp > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Indicates the number of address comparator pairs that are > available for tracing. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/nr_cntr > +What: /sys/bus/coresight/devices/etm<N>/nr_cntr > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Indicates the number of counters that are available for > tracing. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/nr_ext_inp > +What: /sys/bus/coresight/devices/etm<N>/nr_ext_inp > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Indicates how many external inputs are implemented. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/numcidc > +What: /sys/bus/coresight/devices/etm<N>/numcidc > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Indicates the number of Context ID comparators that are > available for tracing. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/numvmidc > +What: /sys/bus/coresight/devices/etm<N>/numvmidc > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Indicates the number of VMID comparators that are available > for tracing. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/nrseqstate > +What: /sys/bus/coresight/devices/etm<N>/nrseqstate > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Indicates the number of sequencer states that are > implemented. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/nr_resource > +What: /sys/bus/coresight/devices/etm<N>/nr_resource > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > 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 > +What: /sys/bus/coresight/devices/etm<N>/nr_ss_cmp > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Indicates the number of single-shot comparator controls that > are available for tracing. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/reset > +What: /sys/bus/coresight/devices/etm<N>/reset > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > 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 > +What: /sys/bus/coresight/devices/etm<N>/mode > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > @@ -91,302 +91,349 @@ 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 > +What: /sys/bus/coresight/devices/etm<N>/pe > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls which PE to trace. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/event > +What: /sys/bus/coresight/devices/etm<N>/event > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls the tracing of arbitrary events from bank > 0 to 3. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/event_instren > +What: /sys/bus/coresight/devices/etm<N>/event_instren > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls the behavior of the events in bank 0 to 3. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/event_ts > +What: /sys/bus/coresight/devices/etm<N>/event_ts > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls the insertion of global timestamps in the > trace > streams. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/syncfreq > +What: /sys/bus/coresight/devices/etm<N>/syncfreq > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls how often trace synchronization requests > occur. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/cyc_threshold > +What: /sys/bus/coresight/devices/etm<N>/cyc_threshold > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Sets the threshold value for cycle counting. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/bb_ctrl > +What: /sys/bus/coresight/devices/etm<N>/bb_ctrl > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > 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 > +What: /sys/bus/coresight/devices/etm<N>/event_vinst > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls instruction trace filtering. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/s_exlevel_vinst > +What: /sys/bus/coresight/devices/etm<N>/s_exlevel_vinst > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > 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 > +What: /sys/bus/coresight/devices/etm<N>/ns_exlevel_vinst > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > 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 > +What: /sys/bus/coresight/devices/etm<N>/addr_idx > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Select which address comparator or pair (of > comparators) to > work with. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/addr_instdatatype > +What: /sys/bus/coresight/devices/etm<N>/addr_instdatatype > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls what type of comparison the trace unit > performs. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/addr_single > +What: /sys/bus/coresight/devices/etm<N>/addr_single > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Used to setup single address comparator values. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/addr_range > +What: /sys/bus/coresight/devices/etm<N>/addr_range > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Used to setup address range comparator values. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/seq_idx > +What: /sys/bus/coresight/devices/etm<N>/seq_idx > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Select which sequensor. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/seq_state > +What: /sys/bus/coresight/devices/etm<N>/seq_state > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Use this to set, or read, the sequencer state. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/seq_event > +What: /sys/bus/coresight/devices/etm<N>/seq_event > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Moves the sequencer state to a specific state. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/seq_reset_event > +What: /sys/bus/coresight/devices/etm<N>/seq_reset_event > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Moves the sequencer to state 0 when a programmed > event > occurs. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_idx > +What: /sys/bus/coresight/devices/etm<N>/cntr_idx > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Select which counter unit to work with. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/cntrldvr > +What: /sys/bus/coresight/devices/etm<N>/cntrldvr > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) This sets or returns the reload count value of the > specific counter. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_val > +What: /sys/bus/coresight/devices/etm<N>/cntr_val > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) This sets or returns the current count value of the > specific counter. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_ctrl > +What: /sys/bus/coresight/devices/etm<N>/cntr_ctrl > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls the operation of the selected counter. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/res_idx > +What: /sys/bus/coresight/devices/etm<N>/res_idx > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Select which resource selection unit to work with. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/res_ctrl > +What: /sys/bus/coresight/devices/etm<N>/res_ctrl > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Controls the selection of the resources in the > trace unit. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_idx > +What: /sys/bus/coresight/devices/etm<N>/ctxid_idx > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Select which context ID comparator to work with. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_pid > +What: /sys/bus/coresight/devices/etm<N>/ctxid_pid > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Get/Set the context ID comparator value to trigger on. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_masks > +What: /sys/bus/coresight/devices/etm<N>/ctxid_masks > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Mask for all 8 context ID comparator value > registers (if implemented). > > -What: /sys/bus/coresight/devices/<memory_map>.etm/vmid_idx > +What: /sys/bus/coresight/devices/etm<N>/vmid_idx > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Select which virtual machine ID comparator to work with. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/vmid_val > +What: /sys/bus/coresight/devices/etm<N>/vmid_val > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Get/Set the virtual machine ID comparator value to > trigger on. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/vmid_masks > +What: /sys/bus/coresight/devices/etm<N>/vmid_masks > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (RW) Mask for all 8 virtual machine ID comparator value > registers (if implemented). > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcoslsr > +What: /sys/bus/coresight/devices/etm<N>/addr_exlevel_s_ns > +Date: August 2019 > +KernelVersion: 5.4 > +Contact: Mathieu Poirier <[email protected]> > +Description: (RW) Set the Exception Level matching bits for secure and > + non-secure exception levels. > + > +What: > /sys/bus/coresight/devices/etm<N>/vinst_pe_cmp_start_stop > +Date: August 2019 > +KernelVersion: 5.4 > +Contact: Mathieu Poirier <[email protected]> > +Description: (RW) Access the start stop control register for PE input > + comparators. > + > +What: /sys/bus/coresight/devices/etm<N>/addr_cmp_view > +Date: August 2019 > +KernelVersion: 5.4 > +Contact: Mathieu Poirier <[email protected]> > +Description: (R) Print the current settings for the selected address > + comparator. > + > +What: /sys/bus/coresight/devices/etm<N>/sshot_idx > +Date: August 2019 > +KernelVersion: 5.4 > +Contact: Mathieu Poirier <[email protected]> > +Description: (RW) Select the single shot control register to access. > + > +What: /sys/bus/coresight/devices/etm<N>/sshot_ctrl > +Date: August 2019 > +KernelVersion: 5.4 > +Contact: Mathieu Poirier <[email protected]> > +Description: (RW) Access the selected single shot control register. > + > +What: /sys/bus/coresight/devices/etm<N>/sshot_status > +Date: August 2019 > +KernelVersion: 5.4 > +Contact: Mathieu Poirier <[email protected]> > +Description: (R) Print the current value of the selected single shot > + status register. > + > +What: /sys/bus/coresight/devices/etm<N>/sshot_pe_ctrl > +Date: August 2019 > +KernelVersion: 5.4 > +Contact: Mathieu Poirier <[email protected]> > +Description: (RW) Access the selected single show PE comparator control > + register. > +
I didn't notice this in the first round - please split further. So one patch to address the etm<N> and another for adding new features. For patches 1, 3, 4 and 8: Reviewed-by: Mathieu Poirier <[email protected]> > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcoslsr > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the OS Lock Status Register (0x304). > The value it taken directly from the HW. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpdcr > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcpdcr > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Power Down Control Register > (0x310). The value is taken directly from the HW. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpdsr > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcpdsr > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Power Down Status Register > (0x314). The value is taken directly from the HW. > > -What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trclsr > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trclsr > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the SW Lock Status Register > (0xFB4). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcauthstatus > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcauthstatus > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Authentication Status Register > (0xFB8). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcdevid > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcdevid > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Device ID Register > (0xFC8). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcdevtype > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcdevtype > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Device Type Register > (0xFCC). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpidr0 > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcpidr0 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Peripheral ID0 Register > (0xFE0). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpidr1 > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcpidr1 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Peripheral ID1 Register > (0xFE4). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpidr2 > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcpidr2 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Peripheral ID2 Register > (0xFE8). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpidr3 > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcpidr3 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the Peripheral ID3 Register > (0xFEC). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcconfig > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trcconfig > Date: February 2016 > KernelVersion: 4.07 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the trace configuration register > (0x010) as currently set by SW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trctraceid > +What: /sys/bus/coresight/devices/etm<N>/mgmt/trctraceid > Date: February 2016 > KernelVersion: 4.07 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Print the content of the trace ID register (0x040). > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr0 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr0 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Returns the tracing capabilities of the trace unit (0x1E0). > The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr1 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr1 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Returns the tracing capabilities of the trace unit (0x1E4). > The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr2 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr2 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > @@ -394,7 +441,7 @@ Description: (R) Returns the maximum size of the > data value, data address, > VMID, context ID and instuction address in the trace unit > (0x1E8). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr3 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr3 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > @@ -403,42 +450,42 @@ Description: (R) Returns the value associated with > various resources > architecture specification for more details (0x1E8). > The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr4 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr4 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Returns how many resources the trace unit supports (0x1F0). > The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr5 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr5 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Returns how many resources the trace unit supports (0x1F4). > The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr8 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr8 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Returns the maximum speculation depth of the instruction > trace stream. (0x180). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr9 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr9 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Returns the number of P0 right-hand keys that the trace unit > can use (0x184). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr10 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr10 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > Description: (R) Returns the number of P1 right-hand keys that the trace unit > can use (0x188). The value is taken directly from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr11 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr11 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > @@ -446,7 +493,7 @@ Description: (R) Returns the number of special P1 > right-hand keys that the > trace unit can use (0x18C). The value is taken directly from > the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr12 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr12 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > @@ -454,7 +501,7 @@ Description: (R) Returns the number of conditional > P1 right-hand keys that > the trace unit can use (0x190). The value is taken directly > from the HW. > > -What: > /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr13 > +What: /sys/bus/coresight/devices/etm<N>/trcidr/trcidr13 > Date: April 2015 > KernelVersion: 4.01 > Contact: Mathieu Poirier <[email protected]> > -- > 2.17.1 >
