Merge tag 'iwlwifi-for-kalle-2015-12-16' of https://git.kernel.org/pub/scm/linux...
[deliverable/linux.git] / Documentation / ABI / testing / sysfs-bus-coresight-devices-etm4x
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1What: /sys/bus/coresight/devices/<memory_map>.etm/enable_source
2Date: April 2015
3KernelVersion: 4.01
4Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
5Description: (RW) Enable/disable tracing on this specific trace entiry.
6 Enabling a source implies the source has been configured
7 properly and a sink has been identidifed for it. The path
8 of coresight components linking the source to the sink is
9 configured and managed automatically by the coresight framework.
10
11What: /sys/bus/coresight/devices/<memory_map>.etm/cpu
12Date: April 2015
13KernelVersion: 4.01
14Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
15Description: (R) The CPU this tracing entity is associated with.
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16
17What: /sys/bus/coresight/devices/<memory_map>.etm/nr_pe_cmp
18Date: April 2015
19KernelVersion: 4.01
20Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
21Description: (R) Indicates the number of PE comparator inputs that are
22 available for tracing.
23
24What: /sys/bus/coresight/devices/<memory_map>.etm/nr_addr_cmp
25Date: April 2015
26KernelVersion: 4.01
27Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
28Description: (R) Indicates the number of address comparator pairs that are
29 available for tracing.
30
31What: /sys/bus/coresight/devices/<memory_map>.etm/nr_cntr
32Date: April 2015
33KernelVersion: 4.01
34Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
35Description: (R) Indicates the number of counters that are available for
36 tracing.
37
38What: /sys/bus/coresight/devices/<memory_map>.etm/nr_ext_inp
39Date: April 2015
40KernelVersion: 4.01
41Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
42Description: (R) Indicates how many external inputs are implemented.
43
44What: /sys/bus/coresight/devices/<memory_map>.etm/numcidc
45Date: April 2015
46KernelVersion: 4.01
47Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
48Description: (R) Indicates the number of Context ID comparators that are
49 available for tracing.
50
51What: /sys/bus/coresight/devices/<memory_map>.etm/numvmidc
52Date: April 2015
53KernelVersion: 4.01
54Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
55Description: (R) Indicates the number of VMID comparators that are available
56 for tracing.
57
58What: /sys/bus/coresight/devices/<memory_map>.etm/nrseqstate
59Date: April 2015
60KernelVersion: 4.01
61Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
62Description: (R) Indicates the number of sequencer states that are
63 implemented.
64
65What: /sys/bus/coresight/devices/<memory_map>.etm/nr_resource
66Date: April 2015
67KernelVersion: 4.01
68Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
69Description: (R) Indicates the number of resource selection pairs that are
70 available for tracing.
71
72What: /sys/bus/coresight/devices/<memory_map>.etm/nr_ss_cmp
73Date: April 2015
74KernelVersion: 4.01
75Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
76Description: (R) Indicates the number of single-shot comparator controls that
77 are available for tracing.
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78
79What: /sys/bus/coresight/devices/<memory_map>.etm/reset
80Date: April 2015
81KernelVersion: 4.01
82Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
83Description: (W) Cancels all configuration on a trace unit and set it back
84 to its boot configuration.
85
86What: /sys/bus/coresight/devices/<memory_map>.etm/mode
87Date: April 2015
88KernelVersion: 4.01
89Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
90Description: (RW) Controls various modes supported by this ETM, for example
91 P0 instruction tracing, branch broadcast, cycle counting and
92 context ID tracing.
93
94What: /sys/bus/coresight/devices/<memory_map>.etm/pe
95Date: April 2015
96KernelVersion: 4.01
97Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
98Description: (RW) Controls which PE to trace.
99
100What: /sys/bus/coresight/devices/<memory_map>.etm/event
101Date: April 2015
102KernelVersion: 4.01
103Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
104Description: (RW) Controls the tracing of arbitrary events from bank 0 to 3.
105
106What: /sys/bus/coresight/devices/<memory_map>.etm/event_instren
107Date: April 2015
108KernelVersion: 4.01
109Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
110Description: (RW) Controls the behavior of the events in bank 0 to 3.
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111
112What: /sys/bus/coresight/devices/<memory_map>.etm/event_ts
113Date: April 2015
114KernelVersion: 4.01
115Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
116Description: (RW) Controls the insertion of global timestamps in the trace
117 streams.
118
119What: /sys/bus/coresight/devices/<memory_map>.etm/syncfreq
120Date: April 2015
121KernelVersion: 4.01
122Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
123Description: (RW) Controls how often trace synchronization requests occur.
124
125What: /sys/bus/coresight/devices/<memory_map>.etm/cyc_threshold
126Date: April 2015
127KernelVersion: 4.01
128Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
129Description: (RW) Sets the threshold value for cycle counting.
130
131What: /sys/bus/coresight/devices/<memory_map>.etm/bb_ctrl
132Date: April 2015
133KernelVersion: 4.01
134Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
135Description: (RW) Controls which regions in the memory map are enabled to
136 use branch broadcasting.
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137
138What: /sys/bus/coresight/devices/<memory_map>.etm/event_vinst
139Date: April 2015
140KernelVersion: 4.01
141Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
142Description: (RW) Controls instruction trace filtering.
143
144What: /sys/bus/coresight/devices/<memory_map>.etm/s_exlevel_vinst
145Date: April 2015
146KernelVersion: 4.01
147Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
148Description: (RW) In Secure state, each bit controls whether instruction
149 tracing is enabled for the corresponding exception level.
150
151What: /sys/bus/coresight/devices/<memory_map>.etm/ns_exlevel_vinst
152Date: April 2015
153KernelVersion: 4.01
154Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
155Description: (RW) In non-secure state, each bit controls whether instruction
156 tracing is enabled for the corresponding exception level.
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157
158What: /sys/bus/coresight/devices/<memory_map>.etm/addr_idx
159Date: April 2015
160KernelVersion: 4.01
161Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
162Description: (RW) Select which address comparator or pair (of comparators) to
163 work with.
164
165What: /sys/bus/coresight/devices/<memory_map>.etm/addr_instdatatype
166Date: April 2015
167KernelVersion: 4.01
168Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
169Description: (RW) Controls what type of comparison the trace unit performs.
170
171What: /sys/bus/coresight/devices/<memory_map>.etm/addr_single
172Date: April 2015
173KernelVersion: 4.01
174Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
175Description: (RW) Used to setup single address comparator values.
176
177What: /sys/bus/coresight/devices/<memory_map>.etm/addr_range
178Date: April 2015
179KernelVersion: 4.01
180Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
181Description: (RW) Used to setup address range comparator values.
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182
183What: /sys/bus/coresight/devices/<memory_map>.etm/seq_idx
184Date: April 2015
185KernelVersion: 4.01
186Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
187Description: (RW) Select which sequensor.
188
189What: /sys/bus/coresight/devices/<memory_map>.etm/seq_state
190Date: April 2015
191KernelVersion: 4.01
192Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
193Description: (RW) Use this to set, or read, the sequencer state.
194
195What: /sys/bus/coresight/devices/<memory_map>.etm/seq_event
196Date: April 2015
197KernelVersion: 4.01
198Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
199Description: (RW) Moves the sequencer state to a specific state.
200
201What: /sys/bus/coresight/devices/<memory_map>.etm/seq_reset_event
202Date: April 2015
203KernelVersion: 4.01
204Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
205Description: (RW) Moves the sequencer to state 0 when a programmed event
206 occurs.
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207
208What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_idx
209Date: April 2015
210KernelVersion: 4.01
211Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
212Description: (RW) Select which counter unit to work with.
213
214What: /sys/bus/coresight/devices/<memory_map>.etm/cntrldvr
215Date: April 2015
216KernelVersion: 4.01
217Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
218Description: (RW) This sets or returns the reload count value of the
219 specific counter.
220
221What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_val
222Date: April 2015
223KernelVersion: 4.01
224Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
225Description: (RW) This sets or returns the current count value of the
226 specific counter.
227
228What: /sys/bus/coresight/devices/<memory_map>.etm/cntr_ctrl
229Date: April 2015
230KernelVersion: 4.01
231Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
232Description: (RW) Controls the operation of the selected counter.
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233
234What: /sys/bus/coresight/devices/<memory_map>.etm/res_idx
235Date: April 2015
236KernelVersion: 4.01
237Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
238Description: (RW) Select which resource selection unit to work with.
239
240What: /sys/bus/coresight/devices/<memory_map>.etm/res_ctrl
241Date: April 2015
242KernelVersion: 4.01
243Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
244Description: (RW) Controls the selection of the resources in the trace unit.
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245
246What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_idx
247Date: April 2015
248KernelVersion: 4.01
249Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
250Description: (RW) Select which context ID comparator to work with.
251
cd196ac3 252What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_pid
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253Date: April 2015
254KernelVersion: 4.01
255Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
256Description: (RW) Get/Set the context ID comparator value to trigger on.
257
258What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_masks
259Date: April 2015
260KernelVersion: 4.01
261Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
262Description: (RW) Mask for all 8 context ID comparator value
263 registers (if implemented).
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264
265What: /sys/bus/coresight/devices/<memory_map>.etm/vmid_idx
266Date: April 2015
267KernelVersion: 4.01
268Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
269Description: (RW) Select which virtual machine ID comparator to work with.
270
271What: /sys/bus/coresight/devices/<memory_map>.etm/vmid_val
272Date: April 2015
273KernelVersion: 4.01
274Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
275Description: (RW) Get/Set the virtual machine ID comparator value to
276 trigger on.
277
278What: /sys/bus/coresight/devices/<memory_map>.etm/vmid_masks
279Date: April 2015
280KernelVersion: 4.01
281Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
282Description: (RW) Mask for all 8 virtual machine ID comparator value
283 registers (if implemented).
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284
285What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcoslsr
286Date: April 2015
287KernelVersion: 4.01
288Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
289Description: (R) Print the content of the OS Lock Status Register (0x304).
290 The value it taken directly from the HW.
291
292What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpdcr
293Date: April 2015
294KernelVersion: 4.01
295Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
296Description: (R) Print the content of the Power Down Control Register
297 (0x310). The value is taken directly from the HW.
298
299What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpdsr
300Date: April 2015
301KernelVersion: 4.01
302Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
303Description: (R) Print the content of the Power Down Status Register
304 (0x314). The value is taken directly from the HW.
305
306What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trclsr
307Date: April 2015
308KernelVersion: 4.01
309Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
310Description: (R) Print the content of the SW Lock Status Register
311 (0xFB4). The value is taken directly from the HW.
312
313What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcauthstatus
314Date: April 2015
315KernelVersion: 4.01
316Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
317Description: (R) Print the content of the Authentication Status Register
318 (0xFB8). The value is taken directly from the HW.
319
320What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcdevid
321Date: April 2015
322KernelVersion: 4.01
323Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
324Description: (R) Print the content of the Device ID Register
325 (0xFC8). The value is taken directly from the HW.
326
327What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcdevtype
328Date: April 2015
329KernelVersion: 4.01
330Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
331Description: (R) Print the content of the Device Type Register
332 (0xFCC). The value is taken directly from the HW.
333
334What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpidr0
335Date: April 2015
336KernelVersion: 4.01
337Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
338Description: (R) Print the content of the Peripheral ID0 Register
339 (0xFE0). The value is taken directly from the HW.
340
341What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpidr1
342Date: April 2015
343KernelVersion: 4.01
344Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
345Description: (R) Print the content of the Peripheral ID1 Register
346 (0xFE4). The value is taken directly from the HW.
347
348What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpidr2
349Date: April 2015
350KernelVersion: 4.01
351Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
352Description: (R) Print the content of the Peripheral ID2 Register
353 (0xFE8). The value is taken directly from the HW.
354
355What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcpidr3
356Date: April 2015
357KernelVersion: 4.01
358Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
359Description: (R) Print the content of the Peripheral ID3 Register
360 (0xFEC). The value is taken directly from the HW.
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361
362What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr0
363Date: April 2015
364KernelVersion: 4.01
365Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
366Description: (R) Returns the tracing capabilities of the trace unit (0x1E0).
367 The value is taken directly from the HW.
368
369What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr1
370Date: April 2015
371KernelVersion: 4.01
372Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
373Description: (R) Returns the tracing capabilities of the trace unit (0x1E4).
374 The value is taken directly from the HW.
375
376What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr2
377Date: April 2015
378KernelVersion: 4.01
379Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
380Description: (R) Returns the maximum size of the data value, data address,
381 VMID, context ID and instuction address in the trace unit
382 (0x1E8). The value is taken directly from the HW.
383
384What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr3
385Date: April 2015
386KernelVersion: 4.01
387Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
388Description: (R) Returns the value associated with various resources
389 available to the trace unit. See the Trace Macrocell
390 architecture specification for more details (0x1E8).
391 The value is taken directly from the HW.
392
393What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr4
394Date: April 2015
395KernelVersion: 4.01
396Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
397Description: (R) Returns how many resources the trace unit supports (0x1F0).
398 The value is taken directly from the HW.
399
400What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr5
401Date: April 2015
402KernelVersion: 4.01
403Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
404Description: (R) Returns how many resources the trace unit supports (0x1F4).
405 The value is taken directly from the HW.
406
407What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr8
408Date: April 2015
409KernelVersion: 4.01
410Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
411Description: (R) Returns the maximum speculation depth of the instruction
412 trace stream. (0x180). The value is taken directly from the HW.
413
414What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr9
415Date: April 2015
416KernelVersion: 4.01
417Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
418Description: (R) Returns the number of P0 right-hand keys that the trace unit
419 can use (0x184). The value is taken directly from the HW.
420
421What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr10
422Date: April 2015
423KernelVersion: 4.01
424Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
425Description: (R) Returns the number of P1 right-hand keys that the trace unit
426 can use (0x188). The value is taken directly from the HW.
427
428What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr11
429Date: April 2015
430KernelVersion: 4.01
431Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
432Description: (R) Returns the number of special P1 right-hand keys that the
433 trace unit can use (0x18C). The value is taken directly from
434 the HW.
435
436What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr12
437Date: April 2015
438KernelVersion: 4.01
439Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
440Description: (R) Returns the number of conditional P1 right-hand keys that
441 the trace unit can use (0x190). The value is taken directly
442 from the HW.
443
444What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr13
445Date: April 2015
446KernelVersion: 4.01
447Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
448Description: (R) Returns the number of special conditional P1 right-hand keys
449 that the trace unit can use (0x194). The value is taken
450 directly from the HW.
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