56 	 * happen in cases like between a fork and an exec.
62 	 * everything in a buffer comes from the same process regardless of
122 	 * Same as traceid_list, but traceid_list may be a reference to another
123 	 * queue's which has a matching sink ID.
142  * A struct auxtrace_heap_item only has a queue_nr and a timestamp to
244 	/* Disallow re-mapping a different traceID to metadata pair. */  in cs_etm__insert_trace_id_node()
446  * Get a metadata index for a specific cpu from an array.
463  * Get a metadata for a specific cpu from an array.
478  * but a CPU / Trace ID association changing during a session is an error.
529 	 * When a timestamp packet is encountered the backend code  in cs_etm__etmq_set_traceid_queue_timestamp()
676 	/* We couldn't find a traceid_queue for this traceID, allocate one */  in cs_etm__etmq_get_traceid_queue()
683 	/* Get a valid index for the new traceid_queue */  in cs_etm__etmq_get_traceid_queue()
1168 	 * in anything other than a sequential array is worth doing.  in cs_etm__alloc_queue()
1217 	 * We are under a CPU-wide trace scenario.  As such we need to know  in cs_etm__queue_first_cs_timestamp()
1219 	 * it can be correlated with execution on other CPUs.  So we get a  in cs_etm__queue_first_cs_timestamp()
1220 	 * handle on the beginning of traces and decode until we find a  in cs_etm__queue_first_cs_timestamp()
1235 		 * encountering a CS timestamp, a full packet queue or the end of  in cs_etm__queue_first_cs_timestamp()
1248 		/* We found a timestamp, no need to continue. */  in cs_etm__queue_first_cs_timestamp()
1253 		 * We didn't find a timestamp so empty all the traceid packet  in cs_etm__queue_first_cs_timestamp()
1255 		 * in the current data block or a new one.  Packets that were  in cs_etm__queue_first_cs_timestamp()
1263 	 * We have a timestamp.  Add it to the min heap to reflect when  in cs_etm__queue_first_cs_timestamp()
1299 	 * As bs_src->entries is a circular buffer, we need to copy from it in  in cs_etm__copy_last_branch_rb()
1339 	 * denote a 32-bit instruction.  in cs_etm__t32_instr_size()
1383 	/* Assume a 4 byte instruction size (A32/A64) */  in cs_etm__instr_addr()
1394 	 * The branches are recorded in a circular buffer in reverse  in cs_etm__update_last_branch_rb()
1480 	/* Couldn't find a known thread */  in cs_etm__set_thread()
1605  * The cs etm packet encodes an instruction range between a branch target
1647 	 * perf report cannot handle events without a branch stack  in cs_etm__synth_branch_sample()
1719 	/* create new id val to be a fixed offset from evsel id */  in cs_etm__synth_events()
1777 	 * Record a branch when the last instruction in  in cs_etm__sample()
1778 	 * PREV_PACKET is a branch.  in cs_etm__sample()
1930 		 * Generate a last branch event for the branches left in the  in cs_etm__flush()
1975 	 * For this case only flush branch stack and generate a last branch  in cs_etm__end_block()
2005  * cs_etm__get_data_block: Fetch a block from the auxtrace_buffer queue
2043 		 * The SVC of T32 is defined in ARM DDI 0487D.a, F5.1.247:  in cs_etm__is_svc_instr()
2063 		 * The SVC of A32 is defined in ARM DDI 0487D.a, F5.1.247:  in cs_etm__is_svc_instr()
2080 		 * The SVC of A64 is defined in ARM DDI 0487D.a, C6.2.294:  in cs_etm__is_svc_instr()
2272 		 * Decoder might insert a discontinuity in the middle of  in cs_etm__set_sample_flags()
2365 		 * can read out the previous instruction and check if it's a  in cs_etm__set_sample_flags()
2391 	 * operations that stop processing are a timestamp packet or a full  in cs_etm__decode_data_block()
2553 			 * cs_etm__run_per_thread_timeless_decoder() runs on a  in cs_etm__run_per_cpu_timeless_decoder()
2554 			 * single traceID queue because each TID has a separate  in cs_etm__run_per_cpu_timeless_decoder()
2671 		 * move on to the next timestamp, fetching a new auxtrace_buffer  in cs_etm__process_timestamped_queues()
2696 			 * auxtrace_buffer OR when a timestamp has been  in cs_etm__process_timestamped_queues()
2698 			 * did not get a timestamp, there is no more traces to  in cs_etm__process_timestamped_queues()
2748 	 * Add the tid/pid to the log so that we can get a match when we get a  in cs_etm__process_itrace_start()
2786 	 * Add the tid/pid to the log so that we can get a match when we get a  in cs_etm__process_switch_cpu_wide()
2938  * Read a single cpu parameter block from the auxtrace_info priv block.
2940  * For version 1 there is a per cpu nr_params entry. If we are handling
2944  * For a version 0 info block, there are a fixed number, and we need to
2964 	/* read version 0 info block into a version 1 metadata block  */  in cs_etm__create_meta_blk()
2999  * Puts a fragment of an auxtrace buffer into the auxtrace queues based
3024 	 * There should be a PERF_RECORD_AUXTRACE event at the file_offset that we got  in cs_etm__queue_aux_fragment()
3042 	 * auxtrace_mmap_params__set_idx(). However, the sample AUX event will contain a  in cs_etm__queue_aux_fragment()
3054 			 * Found a per-cpu buffer after a per-thread one was  in cs_etm__queue_aux_fragment()
3086 		 * If this AUX event was inside this buffer somewhere, create a new auxtrace event  in cs_etm__queue_aux_fragment()
3306 	 * Register a function to handle all memory accesses required by  in cs_etm__create_queue_decoders()
3394 …ui__error("CS ETM Trace: Unrecognised magic number %#"PRIx64". File could be from a newer version …  in cs_etm__process_auxtrace_info_full()
3468 		 * If a user has knowledge for the working platform and can  in cs_etm__process_auxtrace_info_full()
3517 	 * in case it's read by a version of Perf that doesn't know about HW_ID packets  in cs_etm__process_auxtrace_info_full()
3522 	 * in which case a different value will be used. This means an older perf may still  in cs_etm__process_auxtrace_info_full()
3523 	 * be able to record and read files generate on a newer system.  in cs_etm__process_auxtrace_info_full()
3525 	 * For a perf able to interpret AUX_HW_ID packets we first check for the presence of  in cs_etm__process_auxtrace_info_full()
3529 	 * If no AUX_HW_ID packets are present - which means a file recorded on an old kernel  in cs_etm__process_auxtrace_info_full()
3542 	/* if no HW ID found this is a file with metadata values only, map from metadata */  in cs_etm__process_auxtrace_info_full()