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-rw-r--r--tools/perf/util/auxtrace.h901
1 files changed, 901 insertions, 0 deletions
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
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+++ b/tools/perf/util/auxtrace.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * auxtrace.h: AUX area trace support
+ * Copyright (c) 2013-2015, Intel Corporation.
+ */
+
+#ifndef __PERF_AUXTRACE_H
+#define __PERF_AUXTRACE_H
+
+#include <sys/types.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h> // FILE
+#include <linux/list.h>
+#include <linux/perf_event.h>
+#include <linux/types.h>
+#include <internal/cpumap.h>
+#include <asm/bitsperlong.h>
+#include <asm/barrier.h>
+
+union perf_event;
+struct perf_session;
+struct evlist;
+struct evsel;
+struct perf_tool;
+struct mmap;
+struct perf_sample;
+struct option;
+struct record_opts;
+struct perf_record_auxtrace_error;
+struct perf_record_auxtrace_info;
+struct events_stats;
+struct perf_pmu;
+
+enum auxtrace_error_type {
+ PERF_AUXTRACE_ERROR_ITRACE = 1,
+ PERF_AUXTRACE_ERROR_MAX
+};
+
+/* Auxtrace records must have the same alignment as perf event records */
+#define PERF_AUXTRACE_RECORD_ALIGNMENT 8
+
+enum auxtrace_type {
+ PERF_AUXTRACE_UNKNOWN,
+ PERF_AUXTRACE_INTEL_PT,
+ PERF_AUXTRACE_INTEL_BTS,
+ PERF_AUXTRACE_CS_ETM,
+ PERF_AUXTRACE_ARM_SPE,
+ PERF_AUXTRACE_S390_CPUMSF,
+ PERF_AUXTRACE_HISI_PTT,
+};
+
+enum itrace_period_type {
+ PERF_ITRACE_PERIOD_INSTRUCTIONS,
+ PERF_ITRACE_PERIOD_TICKS,
+ PERF_ITRACE_PERIOD_NANOSECS,
+};
+
+#define AUXTRACE_ERR_FLG_OVERFLOW (1 << ('o' - 'a'))
+#define AUXTRACE_ERR_FLG_DATA_LOST (1 << ('l' - 'a'))
+
+#define AUXTRACE_LOG_FLG_ALL_PERF_EVTS (1 << ('a' - 'a'))
+#define AUXTRACE_LOG_FLG_ON_ERROR (1 << ('e' - 'a'))
+#define AUXTRACE_LOG_FLG_USE_STDOUT (1 << ('o' - 'a'))
+
+/**
+ * struct itrace_synth_opts - AUX area tracing synthesis options.
+ * @set: indicates whether or not options have been set
+ * @default_no_sample: Default to no sampling.
+ * @inject: indicates the event (not just the sample) must be fully synthesized
+ * because 'perf inject' will write it out
+ * @instructions: whether to synthesize 'instructions' events
+ * @branches: whether to synthesize 'branches' events
+ * (branch misses only for Arm SPE)
+ * @transactions: whether to synthesize events for transactions
+ * @ptwrites: whether to synthesize events for ptwrites
+ * @pwr_events: whether to synthesize power events
+ * @other_events: whether to synthesize other events recorded due to the use of
+ * aux_output
+ * @intr_events: whether to synthesize interrupt events
+ * @errors: whether to synthesize decoder error events
+ * @dont_decode: whether to skip decoding entirely
+ * @log: write a decoding log
+ * @calls: limit branch samples to calls (can be combined with @returns)
+ * @returns: limit branch samples to returns (can be combined with @calls)
+ * @callchain: add callchain to 'instructions' events
+ * @add_callchain: add callchain to existing event records
+ * @thread_stack: feed branches to the thread_stack
+ * @last_branch: add branch context to 'instruction' events
+ * @add_last_branch: add branch context to existing event records
+ * @approx_ipc: approximate IPC
+ * @flc: whether to synthesize first level cache events
+ * @llc: whether to synthesize last level cache events
+ * @tlb: whether to synthesize TLB events
+ * @remote_access: whether to synthesize remote access events
+ * @mem: whether to synthesize memory events
+ * @timeless_decoding: prefer "timeless" decoding i.e. ignore timestamps
+ * @vm_time_correlation: perform VM Time Correlation
+ * @vm_tm_corr_dry_run: VM Time Correlation dry-run
+ * @vm_tm_corr_args: VM Time Correlation implementation-specific arguments
+ * @callchain_sz: maximum callchain size
+ * @last_branch_sz: branch context size
+ * @period: 'instructions' events period
+ * @period_type: 'instructions' events period type
+ * @initial_skip: skip N events at the beginning.
+ * @cpu_bitmap: CPUs for which to synthesize events, or NULL for all
+ * @ptime_range: time intervals to trace or NULL
+ * @range_num: number of time intervals to trace
+ * @error_plus_flags: flags to affect what errors are reported
+ * @error_minus_flags: flags to affect what errors are reported
+ * @log_plus_flags: flags to affect what is logged
+ * @log_minus_flags: flags to affect what is logged
+ * @quick: quicker (less detailed) decoding
+ * @log_on_error_size: size of log to keep for outputting log only on errors
+ */
+struct itrace_synth_opts {
+ bool set;
+ bool default_no_sample;
+ bool inject;
+ bool instructions;
+ bool branches;
+ bool transactions;
+ bool ptwrites;
+ bool pwr_events;
+ bool other_events;
+ bool intr_events;
+ bool errors;
+ bool dont_decode;
+ bool log;
+ bool calls;
+ bool returns;
+ bool callchain;
+ bool add_callchain;
+ bool thread_stack;
+ bool last_branch;
+ bool add_last_branch;
+ bool approx_ipc;
+ bool flc;
+ bool llc;
+ bool tlb;
+ bool remote_access;
+ bool mem;
+ bool timeless_decoding;
+ bool vm_time_correlation;
+ bool vm_tm_corr_dry_run;
+ char *vm_tm_corr_args;
+ unsigned int callchain_sz;
+ unsigned int last_branch_sz;
+ unsigned long long period;
+ enum itrace_period_type period_type;
+ unsigned long initial_skip;
+ unsigned long *cpu_bitmap;
+ struct perf_time_interval *ptime_range;
+ int range_num;
+ unsigned int error_plus_flags;
+ unsigned int error_minus_flags;
+ unsigned int log_plus_flags;
+ unsigned int log_minus_flags;
+ unsigned int quick;
+ unsigned int log_on_error_size;
+};
+
+/**
+ * struct auxtrace_index_entry - indexes a AUX area tracing event within a
+ * perf.data file.
+ * @file_offset: offset within the perf.data file
+ * @sz: size of the event
+ */
+struct auxtrace_index_entry {
+ u64 file_offset;
+ u64 sz;
+};
+
+#define PERF_AUXTRACE_INDEX_ENTRY_COUNT 256
+
+/**
+ * struct auxtrace_index - index of AUX area tracing events within a perf.data
+ * file.
+ * @list: linking a number of arrays of entries
+ * @nr: number of entries
+ * @entries: array of entries
+ */
+struct auxtrace_index {
+ struct list_head list;
+ size_t nr;
+ struct auxtrace_index_entry entries[PERF_AUXTRACE_INDEX_ENTRY_COUNT];
+};
+
+/**
+ * struct auxtrace - session callbacks to allow AUX area data decoding.
+ * @process_event: lets the decoder see all session events
+ * @process_auxtrace_event: process a PERF_RECORD_AUXTRACE event
+ * @queue_data: queue an AUX sample or PERF_RECORD_AUXTRACE event for later
+ * processing
+ * @dump_auxtrace_sample: dump AUX area sample data
+ * @flush_events: process any remaining data
+ * @free_events: free resources associated with event processing
+ * @free: free resources associated with the session
+ */
+struct auxtrace {
+ int (*process_event)(struct perf_session *session,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_tool *tool);
+ int (*process_auxtrace_event)(struct perf_session *session,
+ union perf_event *event,
+ struct perf_tool *tool);
+ int (*queue_data)(struct perf_session *session,
+ struct perf_sample *sample, union perf_event *event,
+ u64 data_offset);
+ void (*dump_auxtrace_sample)(struct perf_session *session,
+ struct perf_sample *sample);
+ int (*flush_events)(struct perf_session *session,
+ struct perf_tool *tool);
+ void (*free_events)(struct perf_session *session);
+ void (*free)(struct perf_session *session);
+ bool (*evsel_is_auxtrace)(struct perf_session *session,
+ struct evsel *evsel);
+};
+
+/**
+ * struct auxtrace_buffer - a buffer containing AUX area tracing data.
+ * @list: buffers are queued in a list held by struct auxtrace_queue
+ * @size: size of the buffer in bytes
+ * @pid: in per-thread mode, the pid this buffer is associated with
+ * @tid: in per-thread mode, the tid this buffer is associated with
+ * @cpu: in per-cpu mode, the cpu this buffer is associated with
+ * @data: actual buffer data (can be null if the data has not been loaded)
+ * @data_offset: file offset at which the buffer can be read
+ * @mmap_addr: mmap address at which the buffer can be read
+ * @mmap_size: size of the mmap at @mmap_addr
+ * @data_needs_freeing: @data was malloc'd so free it when it is no longer
+ * needed
+ * @consecutive: the original data was split up and this buffer is consecutive
+ * to the previous buffer
+ * @offset: offset as determined by aux_head / aux_tail members of struct
+ * perf_event_mmap_page
+ * @reference: an implementation-specific reference determined when the data is
+ * recorded
+ * @buffer_nr: used to number each buffer
+ * @use_size: implementation actually only uses this number of bytes
+ * @use_data: implementation actually only uses data starting at this address
+ */
+struct auxtrace_buffer {
+ struct list_head list;
+ size_t size;
+ pid_t pid;
+ pid_t tid;
+ struct perf_cpu cpu;
+ void *data;
+ off_t data_offset;
+ void *mmap_addr;
+ size_t mmap_size;
+ bool data_needs_freeing;
+ bool consecutive;
+ u64 offset;
+ u64 reference;
+ u64 buffer_nr;
+ size_t use_size;
+ void *use_data;
+};
+
+/**
+ * struct auxtrace_queue - a queue of AUX area tracing data buffers.
+ * @head: head of buffer list
+ * @tid: in per-thread mode, the tid this queue is associated with
+ * @cpu: in per-cpu mode, the cpu this queue is associated with
+ * @set: %true once this queue has been dedicated to a specific thread or cpu
+ * @priv: implementation-specific data
+ */
+struct auxtrace_queue {
+ struct list_head head;
+ pid_t tid;
+ int cpu;
+ bool set;
+ void *priv;
+};
+
+/**
+ * struct auxtrace_queues - an array of AUX area tracing queues.
+ * @queue_array: array of queues
+ * @nr_queues: number of queues
+ * @new_data: set whenever new data is queued
+ * @populated: queues have been fully populated using the auxtrace_index
+ * @next_buffer_nr: used to number each buffer
+ */
+struct auxtrace_queues {
+ struct auxtrace_queue *queue_array;
+ unsigned int nr_queues;
+ bool new_data;
+ bool populated;
+ u64 next_buffer_nr;
+};
+
+/**
+ * struct auxtrace_heap_item - element of struct auxtrace_heap.
+ * @queue_nr: queue number
+ * @ordinal: value used for sorting (lowest ordinal is top of the heap) expected
+ * to be a timestamp
+ */
+struct auxtrace_heap_item {
+ unsigned int queue_nr;
+ u64 ordinal;
+};
+
+/**
+ * struct auxtrace_heap - a heap suitable for sorting AUX area tracing queues.
+ * @heap_array: the heap
+ * @heap_cnt: the number of elements in the heap
+ * @heap_sz: maximum number of elements (grows as needed)
+ */
+struct auxtrace_heap {
+ struct auxtrace_heap_item *heap_array;
+ unsigned int heap_cnt;
+ unsigned int heap_sz;
+};
+
+/**
+ * struct auxtrace_mmap - records an mmap of the auxtrace buffer.
+ * @base: address of mapped area
+ * @userpg: pointer to buffer's perf_event_mmap_page
+ * @mask: %0 if @len is not a power of two, otherwise (@len - %1)
+ * @len: size of mapped area
+ * @prev: previous aux_head
+ * @idx: index of this mmap
+ * @tid: tid for a per-thread mmap (also set if there is only 1 tid on a per-cpu
+ * mmap) otherwise %0
+ * @cpu: cpu number for a per-cpu mmap otherwise %-1
+ */
+struct auxtrace_mmap {
+ void *base;
+ void *userpg;
+ size_t mask;
+ size_t len;
+ u64 prev;
+ int idx;
+ pid_t tid;
+ int cpu;
+};
+
+/**
+ * struct auxtrace_mmap_params - parameters to set up struct auxtrace_mmap.
+ * @mask: %0 if @len is not a power of two, otherwise (@len - %1)
+ * @offset: file offset of mapped area
+ * @len: size of mapped area
+ * @prot: mmap memory protection
+ * @idx: index of this mmap
+ * @tid: tid for a per-thread mmap (also set if there is only 1 tid on a per-cpu
+ * mmap) otherwise %0
+ * @mmap_needed: set to %false for non-auxtrace events. This is needed because
+ * auxtrace mmapping is done in the same code path as non-auxtrace
+ * mmapping but not every evsel that needs non-auxtrace mmapping
+ * also needs auxtrace mmapping.
+ * @cpu: cpu number for a per-cpu mmap otherwise %-1
+ */
+struct auxtrace_mmap_params {
+ size_t mask;
+ off_t offset;
+ size_t len;
+ int prot;
+ int idx;
+ pid_t tid;
+ bool mmap_needed;
+ struct perf_cpu cpu;
+};
+
+/**
+ * struct auxtrace_record - callbacks for recording AUX area data.
+ * @recording_options: validate and process recording options
+ * @info_priv_size: return the size of the private data in auxtrace_info_event
+ * @info_fill: fill-in the private data in auxtrace_info_event
+ * @free: free this auxtrace record structure
+ * @snapshot_start: starting a snapshot
+ * @snapshot_finish: finishing a snapshot
+ * @find_snapshot: find data to snapshot within auxtrace mmap
+ * @parse_snapshot_options: parse snapshot options
+ * @reference: provide a 64-bit reference number for auxtrace_event
+ * @read_finish: called after reading from an auxtrace mmap
+ * @alignment: alignment (if any) for AUX area data
+ * @default_aux_sample_size: default sample size for --aux sample option
+ * @pmu: associated pmu
+ * @evlist: selected events list
+ */
+struct auxtrace_record {
+ int (*recording_options)(struct auxtrace_record *itr,
+ struct evlist *evlist,
+ struct record_opts *opts);
+ size_t (*info_priv_size)(struct auxtrace_record *itr,
+ struct evlist *evlist);
+ int (*info_fill)(struct auxtrace_record *itr,
+ struct perf_session *session,
+ struct perf_record_auxtrace_info *auxtrace_info,
+ size_t priv_size);
+ void (*free)(struct auxtrace_record *itr);
+ int (*snapshot_start)(struct auxtrace_record *itr);
+ int (*snapshot_finish)(struct auxtrace_record *itr);
+ int (*find_snapshot)(struct auxtrace_record *itr, int idx,
+ struct auxtrace_mmap *mm, unsigned char *data,
+ u64 *head, u64 *old);
+ int (*parse_snapshot_options)(struct auxtrace_record *itr,
+ struct record_opts *opts,
+ const char *str);
+ u64 (*reference)(struct auxtrace_record *itr);
+ int (*read_finish)(struct auxtrace_record *itr, int idx);
+ unsigned int alignment;
+ unsigned int default_aux_sample_size;
+ struct perf_pmu *pmu;
+ struct evlist *evlist;
+};
+
+/**
+ * struct addr_filter - address filter.
+ * @list: list node
+ * @range: true if it is a range filter
+ * @start: true if action is 'filter' or 'start'
+ * @action: 'filter', 'start' or 'stop' ('tracestop' is accepted but converted
+ * to 'stop')
+ * @sym_from: symbol name for the filter address
+ * @sym_to: symbol name that determines the filter size
+ * @sym_from_idx: selects n'th from symbols with the same name (0 means global
+ * and less than 0 means symbol must be unique)
+ * @sym_to_idx: same as @sym_from_idx but for @sym_to
+ * @addr: filter address
+ * @size: filter region size (for range filters)
+ * @filename: DSO file name or NULL for the kernel
+ * @str: allocated string that contains the other string members
+ */
+struct addr_filter {
+ struct list_head list;
+ bool range;
+ bool start;
+ const char *action;
+ const char *sym_from;
+ const char *sym_to;
+ int sym_from_idx;
+ int sym_to_idx;
+ u64 addr;
+ u64 size;
+ const char *filename;
+ char *str;
+};
+
+/**
+ * struct addr_filters - list of address filters.
+ * @head: list of address filters
+ * @cnt: number of address filters
+ */
+struct addr_filters {
+ struct list_head head;
+ int cnt;
+};
+
+struct auxtrace_cache;
+
+#ifdef HAVE_AUXTRACE_SUPPORT
+
+u64 compat_auxtrace_mmap__read_head(struct auxtrace_mmap *mm);
+int compat_auxtrace_mmap__write_tail(struct auxtrace_mmap *mm, u64 tail);
+
+static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm,
+ int kernel_is_64_bit __maybe_unused)
+{
+ struct perf_event_mmap_page *pc = mm->userpg;
+ u64 head;
+
+#if BITS_PER_LONG == 32
+ if (kernel_is_64_bit)
+ return compat_auxtrace_mmap__read_head(mm);
+#endif
+ head = READ_ONCE(pc->aux_head);
+
+ /* Ensure all reads are done after we read the head */
+ smp_rmb();
+ return head;
+}
+
+static inline int auxtrace_mmap__write_tail(struct auxtrace_mmap *mm, u64 tail,
+ int kernel_is_64_bit __maybe_unused)
+{
+ struct perf_event_mmap_page *pc = mm->userpg;
+
+#if BITS_PER_LONG == 32
+ if (kernel_is_64_bit)
+ return compat_auxtrace_mmap__write_tail(mm, tail);
+#endif
+ /* Ensure all reads are done before we write the tail out */
+ smp_mb();
+ WRITE_ONCE(pc->aux_tail, tail);
+ return 0;
+}
+
+int auxtrace_mmap__mmap(struct auxtrace_mmap *mm,
+ struct auxtrace_mmap_params *mp,
+ void *userpg, int fd);
+void auxtrace_mmap__munmap(struct auxtrace_mmap *mm);
+void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp,
+ off_t auxtrace_offset,
+ unsigned int auxtrace_pages,
+ bool auxtrace_overwrite);
+void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
+ struct evlist *evlist,
+ struct evsel *evsel, int idx);
+
+typedef int (*process_auxtrace_t)(struct perf_tool *tool,
+ struct mmap *map,
+ union perf_event *event, void *data1,
+ size_t len1, void *data2, size_t len2);
+
+int auxtrace_mmap__read(struct mmap *map, struct auxtrace_record *itr,
+ struct perf_tool *tool, process_auxtrace_t fn);
+
+int auxtrace_mmap__read_snapshot(struct mmap *map,
+ struct auxtrace_record *itr,
+ struct perf_tool *tool, process_auxtrace_t fn,
+ size_t snapshot_size);
+
+int auxtrace_queues__init(struct auxtrace_queues *queues);
+int auxtrace_queues__add_event(struct auxtrace_queues *queues,
+ struct perf_session *session,
+ union perf_event *event, off_t data_offset,
+ struct auxtrace_buffer **buffer_ptr);
+struct auxtrace_queue *
+auxtrace_queues__sample_queue(struct auxtrace_queues *queues,
+ struct perf_sample *sample,
+ struct perf_session *session);
+int auxtrace_queues__add_sample(struct auxtrace_queues *queues,
+ struct perf_session *session,
+ struct perf_sample *sample, u64 data_offset,
+ u64 reference);
+void auxtrace_queues__free(struct auxtrace_queues *queues);
+int auxtrace_queues__process_index(struct auxtrace_queues *queues,
+ struct perf_session *session);
+int auxtrace_queue_data(struct perf_session *session, bool samples,
+ bool events);
+struct auxtrace_buffer *auxtrace_buffer__next(struct auxtrace_queue *queue,
+ struct auxtrace_buffer *buffer);
+void *auxtrace_buffer__get_data_rw(struct auxtrace_buffer *buffer, int fd, bool rw);
+static inline void *auxtrace_buffer__get_data(struct auxtrace_buffer *buffer, int fd)
+{
+ return auxtrace_buffer__get_data_rw(buffer, fd, false);
+}
+void auxtrace_buffer__put_data(struct auxtrace_buffer *buffer);
+void auxtrace_buffer__drop_data(struct auxtrace_buffer *buffer);
+void auxtrace_buffer__free(struct auxtrace_buffer *buffer);
+
+int auxtrace_heap__add(struct auxtrace_heap *heap, unsigned int queue_nr,
+ u64 ordinal);
+void auxtrace_heap__pop(struct auxtrace_heap *heap);
+void auxtrace_heap__free(struct auxtrace_heap *heap);
+
+struct auxtrace_cache_entry {
+ struct hlist_node hash;
+ u32 key;
+};
+
+struct auxtrace_cache *auxtrace_cache__new(unsigned int bits, size_t entry_size,
+ unsigned int limit_percent);
+void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache);
+void *auxtrace_cache__alloc_entry(struct auxtrace_cache *c);
+void auxtrace_cache__free_entry(struct auxtrace_cache *c, void *entry);
+int auxtrace_cache__add(struct auxtrace_cache *c, u32 key,
+ struct auxtrace_cache_entry *entry);
+void auxtrace_cache__remove(struct auxtrace_cache *c, u32 key);
+void *auxtrace_cache__lookup(struct auxtrace_cache *c, u32 key);
+
+struct auxtrace_record *auxtrace_record__init(struct evlist *evlist,
+ int *err);
+
+int auxtrace_parse_snapshot_options(struct auxtrace_record *itr,
+ struct record_opts *opts,
+ const char *str);
+int auxtrace_parse_sample_options(struct auxtrace_record *itr,
+ struct evlist *evlist,
+ struct record_opts *opts, const char *str);
+void auxtrace_regroup_aux_output(struct evlist *evlist);
+int auxtrace_record__options(struct auxtrace_record *itr,
+ struct evlist *evlist,
+ struct record_opts *opts);
+size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr,
+ struct evlist *evlist);
+int auxtrace_record__info_fill(struct auxtrace_record *itr,
+ struct perf_session *session,
+ struct perf_record_auxtrace_info *auxtrace_info,
+ size_t priv_size);
+void auxtrace_record__free(struct auxtrace_record *itr);
+int auxtrace_record__snapshot_start(struct auxtrace_record *itr);
+int auxtrace_record__snapshot_finish(struct auxtrace_record *itr, bool on_exit);
+int auxtrace_record__find_snapshot(struct auxtrace_record *itr, int idx,
+ struct auxtrace_mmap *mm,
+ unsigned char *data, u64 *head, u64 *old);
+u64 auxtrace_record__reference(struct auxtrace_record *itr);
+int auxtrace_record__read_finish(struct auxtrace_record *itr, int idx);
+
+int auxtrace_index__auxtrace_event(struct list_head *head, union perf_event *event,
+ off_t file_offset);
+int auxtrace_index__write(int fd, struct list_head *head);
+int auxtrace_index__process(int fd, u64 size, struct perf_session *session,
+ bool needs_swap);
+void auxtrace_index__free(struct list_head *head);
+
+void auxtrace_synth_guest_error(struct perf_record_auxtrace_error *auxtrace_error, int type,
+ int code, int cpu, pid_t pid, pid_t tid, u64 ip,
+ const char *msg, u64 timestamp,
+ pid_t machine_pid, int vcpu);
+void auxtrace_synth_error(struct perf_record_auxtrace_error *auxtrace_error, int type,
+ int code, int cpu, pid_t pid, pid_t tid, u64 ip,
+ const char *msg, u64 timestamp);
+
+int perf_event__process_auxtrace_info(struct perf_session *session,
+ union perf_event *event);
+s64 perf_event__process_auxtrace(struct perf_session *session,
+ union perf_event *event);
+int perf_event__process_auxtrace_error(struct perf_session *session,
+ union perf_event *event);
+int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts,
+ const char *str, int unset);
+int itrace_parse_synth_opts(const struct option *opt, const char *str,
+ int unset);
+void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts,
+ bool no_sample);
+
+size_t perf_event__fprintf_auxtrace_error(union perf_event *event, FILE *fp);
+void perf_session__auxtrace_error_inc(struct perf_session *session,
+ union perf_event *event);
+void events_stats__auxtrace_error_warn(const struct events_stats *stats);
+
+void addr_filters__init(struct addr_filters *filts);
+void addr_filters__exit(struct addr_filters *filts);
+int addr_filters__parse_bare_filter(struct addr_filters *filts,
+ const char *filter);
+int auxtrace_parse_filters(struct evlist *evlist);
+
+int auxtrace__process_event(struct perf_session *session, union perf_event *event,
+ struct perf_sample *sample, struct perf_tool *tool);
+void auxtrace__dump_auxtrace_sample(struct perf_session *session,
+ struct perf_sample *sample);
+int auxtrace__flush_events(struct perf_session *session, struct perf_tool *tool);
+void auxtrace__free_events(struct perf_session *session);
+void auxtrace__free(struct perf_session *session);
+bool auxtrace__evsel_is_auxtrace(struct perf_session *session,
+ struct evsel *evsel);
+
+#define ITRACE_HELP \
+" i[period]: synthesize instructions events\n" \
+" b: synthesize branches events (branch misses for Arm SPE)\n" \
+" c: synthesize branches events (calls only)\n" \
+" r: synthesize branches events (returns only)\n" \
+" x: synthesize transactions events\n" \
+" w: synthesize ptwrite events\n" \
+" p: synthesize power events\n" \
+" o: synthesize other events recorded due to the use\n" \
+" of aux-output (refer to perf record)\n" \
+" I: synthesize interrupt or similar (asynchronous) events\n" \
+" (e.g. Intel PT Event Trace)\n" \
+" e[flags]: synthesize error events\n" \
+" each flag must be preceded by + or -\n" \
+" error flags are: o (overflow)\n" \
+" l (data lost)\n" \
+" d[flags]: create a debug log\n" \
+" each flag must be preceded by + or -\n" \
+" log flags are: a (all perf events)\n" \
+" o (output to stdout)\n" \
+" f: synthesize first level cache events\n" \
+" m: synthesize last level cache events\n" \
+" t: synthesize TLB events\n" \
+" a: synthesize remote access events\n" \
+" g[len]: synthesize a call chain (use with i or x)\n" \
+" G[len]: synthesize a call chain on existing event records\n" \
+" l[len]: synthesize last branch entries (use with i or x)\n" \
+" L[len]: synthesize last branch entries on existing event records\n" \
+" sNUMBER: skip initial number of events\n" \
+" q: quicker (less detailed) decoding\n" \
+" A: approximate IPC\n" \
+" Z: prefer to ignore timestamps (so-called \"timeless\" decoding)\n" \
+" PERIOD[ns|us|ms|i|t]: specify period to sample stream\n" \
+" concatenate multiple options. Default is ibxwpe or cewp\n"
+
+static inline
+void itrace_synth_opts__set_time_range(struct itrace_synth_opts *opts,
+ struct perf_time_interval *ptime_range,
+ int range_num)
+{
+ opts->ptime_range = ptime_range;
+ opts->range_num = range_num;
+}
+
+static inline
+void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts)
+{
+ opts->ptime_range = NULL;
+ opts->range_num = 0;
+}
+
+#else
+#include "debug.h"
+
+static inline struct auxtrace_record *
+auxtrace_record__init(struct evlist *evlist __maybe_unused,
+ int *err)
+{
+ *err = 0;
+ return NULL;
+}
+
+static inline
+void auxtrace_record__free(struct auxtrace_record *itr __maybe_unused)
+{
+}
+
+static inline
+int auxtrace_record__options(struct auxtrace_record *itr __maybe_unused,
+ struct evlist *evlist __maybe_unused,
+ struct record_opts *opts __maybe_unused)
+{
+ return 0;
+}
+
+static inline
+int perf_event__process_auxtrace_info(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
+{
+ return 0;
+}
+
+static inline
+s64 perf_event__process_auxtrace(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
+{
+ return 0;
+}
+
+static inline
+int perf_event__process_auxtrace_error(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
+{
+ return 0;
+}
+
+static inline
+void perf_session__auxtrace_error_inc(struct perf_session *session
+ __maybe_unused,
+ union perf_event *event
+ __maybe_unused)
+{
+}
+
+static inline
+void events_stats__auxtrace_error_warn(const struct events_stats *stats
+ __maybe_unused)
+{
+}
+
+static inline
+int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts __maybe_unused,
+ const char *str __maybe_unused, int unset __maybe_unused)
+{
+ pr_err("AUX area tracing not supported\n");
+ return -EINVAL;
+}
+
+static inline
+int itrace_parse_synth_opts(const struct option *opt __maybe_unused,
+ const char *str __maybe_unused,
+ int unset __maybe_unused)
+{
+ pr_err("AUX area tracing not supported\n");
+ return -EINVAL;
+}
+
+static inline
+int auxtrace_parse_snapshot_options(struct auxtrace_record *itr __maybe_unused,
+ struct record_opts *opts __maybe_unused,
+ const char *str)
+{
+ if (!str)
+ return 0;
+ pr_err("AUX area tracing not supported\n");
+ return -EINVAL;
+}
+
+static inline
+int auxtrace_parse_sample_options(struct auxtrace_record *itr __maybe_unused,
+ struct evlist *evlist __maybe_unused,
+ struct record_opts *opts __maybe_unused,
+ const char *str)
+{
+ if (!str)
+ return 0;
+ pr_err("AUX area tracing not supported\n");
+ return -EINVAL;
+}
+
+static inline
+void auxtrace_regroup_aux_output(struct evlist *evlist __maybe_unused)
+{
+}
+
+static inline
+int auxtrace__process_event(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused,
+ struct perf_sample *sample __maybe_unused,
+ struct perf_tool *tool __maybe_unused)
+{
+ return 0;
+}
+
+static inline
+void auxtrace__dump_auxtrace_sample(struct perf_session *session __maybe_unused,
+ struct perf_sample *sample __maybe_unused)
+{
+}
+
+static inline
+int auxtrace__flush_events(struct perf_session *session __maybe_unused,
+ struct perf_tool *tool __maybe_unused)
+{
+ return 0;
+}
+
+static inline
+void auxtrace__free_events(struct perf_session *session __maybe_unused)
+{
+}
+
+static inline
+void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache __maybe_unused)
+{
+}
+
+static inline
+void auxtrace__free(struct perf_session *session __maybe_unused)
+{
+}
+
+static inline
+int auxtrace_index__write(int fd __maybe_unused,
+ struct list_head *head __maybe_unused)
+{
+ return -EINVAL;
+}
+
+static inline
+int auxtrace_index__process(int fd __maybe_unused,
+ u64 size __maybe_unused,
+ struct perf_session *session __maybe_unused,
+ bool needs_swap __maybe_unused)
+{
+ return -EINVAL;
+}
+
+static inline
+void auxtrace_index__free(struct list_head *head __maybe_unused)
+{
+}
+
+static inline
+bool auxtrace__evsel_is_auxtrace(struct perf_session *session __maybe_unused,
+ struct evsel *evsel __maybe_unused)
+{
+ return false;
+}
+
+static inline
+int auxtrace_parse_filters(struct evlist *evlist __maybe_unused)
+{
+ return 0;
+}
+
+int auxtrace_mmap__mmap(struct auxtrace_mmap *mm,
+ struct auxtrace_mmap_params *mp,
+ void *userpg, int fd);
+void auxtrace_mmap__munmap(struct auxtrace_mmap *mm);
+void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp,
+ off_t auxtrace_offset,
+ unsigned int auxtrace_pages,
+ bool auxtrace_overwrite);
+void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
+ struct evlist *evlist,
+ struct evsel *evsel, int idx);
+
+#define ITRACE_HELP ""
+
+static inline
+void itrace_synth_opts__set_time_range(struct itrace_synth_opts *opts
+ __maybe_unused,
+ struct perf_time_interval *ptime_range
+ __maybe_unused,
+ int range_num __maybe_unused)
+{
+}
+
+static inline
+void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts
+ __maybe_unused)
+{
+}
+
+#endif
+
+#endif