From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/tools/perf/util/auxtrace.h | 294 +++++++++++++++++++++++++++++++++++++++++-----------------
1 files changed, 206 insertions(+), 88 deletions(-)
diff --git a/kernel/tools/perf/util/auxtrace.h b/kernel/tools/perf/util/auxtrace.h
index 136c5f9..951d2d1 100644
--- a/kernel/tools/perf/util/auxtrace.h
+++ b/kernel/tools/perf/util/auxtrace.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* auxtrace.h: AUX area trace support
* Copyright (c) 2013-2015, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
*/
#ifndef __PERF_AUXTRACE_H
@@ -20,23 +11,31 @@
#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 "../perf.h"
-#include "event.h"
-#include "session.h"
-#include "debug.h"
+#include <asm/bitsperlong.h>
+#include <asm/barrier.h>
union perf_event;
struct perf_session;
-struct perf_evlist;
+struct evlist;
+struct evsel;
struct perf_tool;
+struct mmap;
+struct perf_sample;
struct option;
struct record_opts;
-struct auxtrace_info_event;
+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
@@ -56,53 +55,90 @@
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'))
+
/**
* 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
* @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
+ * @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
* @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
*/
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 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 flc;
+ bool llc;
+ bool tlb;
+ bool remote_access;
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;
};
/**
@@ -135,6 +171,9 @@
* 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
@@ -147,10 +186,17 @@
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);
};
/**
@@ -307,16 +353,19 @@
* @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 perf_evlist *evlist,
+ struct evlist *evlist,
struct record_opts *opts);
size_t (*info_priv_size)(struct auxtrace_record *itr,
- struct perf_evlist *evlist);
+ struct evlist *evlist);
int (*info_fill)(struct auxtrace_record *itr,
struct perf_session *session,
- struct auxtrace_info_event *auxtrace_info,
+ struct perf_record_auxtrace_info *auxtrace_info,
size_t priv_size);
void (*free)(struct auxtrace_record *itr);
int (*snapshot_start)(struct auxtrace_record *itr);
@@ -330,6 +379,9 @@
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;
};
/**
@@ -373,6 +425,8 @@
struct list_head head;
int cnt;
};
+
+struct auxtrace_cache;
#ifdef HAVE_AUXTRACE_SUPPORT
@@ -433,17 +487,18 @@
unsigned int auxtrace_pages,
bool auxtrace_overwrite);
void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
- struct perf_evlist *evlist, int idx,
+ struct evlist *evlist, int idx,
bool per_cpu);
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 auxtrace_mmap *mm, struct auxtrace_record *itr,
+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 auxtrace_mmap *mm,
+int auxtrace_mmap__read_snapshot(struct mmap *map,
struct auxtrace_record *itr,
struct perf_tool *tool, process_auxtrace_t fn,
size_t snapshot_size);
@@ -453,9 +508,19 @@
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(struct auxtrace_buffer *buffer, int fd);
@@ -480,30 +545,35 @@
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 perf_evlist *evlist,
+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);
int auxtrace_record__options(struct auxtrace_record *itr,
- struct perf_evlist *evlist,
+ struct evlist *evlist,
struct record_opts *opts);
size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr,
- struct perf_evlist *evlist);
+ struct evlist *evlist);
int auxtrace_record__info_fill(struct auxtrace_record *itr,
struct perf_session *session,
- struct auxtrace_info_event *auxtrace_info,
+ 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);
+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);
@@ -512,26 +582,20 @@
bool needs_swap);
void auxtrace_index__free(struct list_head *head);
-void auxtrace_synth_error(struct auxtrace_error_event *auxtrace_error, int type,
+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);
+ const char *msg, u64 timestamp);
-int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr,
- struct perf_tool *tool,
- struct perf_session *session,
- perf_event__handler_t process);
-int perf_event__process_auxtrace_info(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session);
-s64 perf_event__process_auxtrace(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session);
-int perf_event__process_auxtrace_error(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session);
+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_parse_synth_opts(const struct option *opt, const char *str,
int unset);
-void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts);
+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,
@@ -542,48 +606,69 @@
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 perf_evlist *evlist);
+int auxtrace_parse_filters(struct evlist *evlist);
-static inline int auxtrace__process_event(struct perf_session *session,
- union perf_event *event,
- struct perf_sample *sample,
- struct perf_tool *tool)
+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" \
+" 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" \
+" 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" \
+" 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)
{
- if (!session->auxtrace)
- return 0;
-
- return session->auxtrace->process_event(session, event, sample, tool);
+ opts->ptime_range = ptime_range;
+ opts->range_num = range_num;
}
-static inline int auxtrace__flush_events(struct perf_session *session,
- struct perf_tool *tool)
+static inline
+void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts)
{
- if (!session->auxtrace)
- return 0;
-
- return session->auxtrace->flush_events(session, tool);
-}
-
-static inline void auxtrace__free_events(struct perf_session *session)
-{
- if (!session->auxtrace)
- return;
-
- return session->auxtrace->free_events(session);
-}
-
-static inline void auxtrace__free(struct perf_session *session)
-{
- if (!session->auxtrace)
- return;
-
- return session->auxtrace->free(session);
+ opts->ptime_range = NULL;
+ opts->range_num = 0;
}
#else
+#include "debug.h"
static inline struct auxtrace_record *
-auxtrace_record__init(struct perf_evlist *evlist __maybe_unused,
+auxtrace_record__init(struct evlist *evlist __maybe_unused,
int *err)
{
*err = 0;
@@ -595,18 +680,9 @@
{
}
-static inline int
-perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused,
- struct perf_tool *tool __maybe_unused,
- struct perf_session *session __maybe_unused,
- perf_event__handler_t process __maybe_unused)
-{
- return -EINVAL;
-}
-
static inline
int auxtrace_record__options(struct auxtrace_record *itr __maybe_unused,
- struct perf_evlist *evlist __maybe_unused,
+ struct evlist *evlist __maybe_unused,
struct record_opts *opts __maybe_unused)
{
return 0;
@@ -651,12 +727,30 @@
}
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
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
@@ -703,7 +797,14 @@
}
static inline
-int auxtrace_parse_filters(struct perf_evlist *evlist __maybe_unused)
+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;
}
@@ -717,9 +818,26 @@
unsigned int auxtrace_pages,
bool auxtrace_overwrite);
void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
- struct perf_evlist *evlist, int idx,
+ struct evlist *evlist, int idx,
bool per_cpu);
+#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
--
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