summaryrefslogtreecommitdiff
path: root/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
blob: 69b31084d6be58a53482521af7f646fa158a9ec4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arm_spe_decoder.h: Arm Statistical Profiling Extensions support
 * Copyright (c) 2019-2020, Arm Ltd.
 */

#ifndef INCLUDE__ARM_SPE_DECODER_H__
#define INCLUDE__ARM_SPE_DECODER_H__

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include "arm-spe-pkt-decoder.h"

enum arm_spe_sample_type {
	ARM_SPE_L1D_ACCESS	= 1 << 0,
	ARM_SPE_L1D_MISS	= 1 << 1,
	ARM_SPE_LLC_ACCESS	= 1 << 2,
	ARM_SPE_LLC_MISS	= 1 << 3,
	ARM_SPE_TLB_ACCESS	= 1 << 4,
	ARM_SPE_TLB_MISS	= 1 << 5,
	ARM_SPE_BRANCH_MISS	= 1 << 6,
	ARM_SPE_REMOTE_ACCESS	= 1 << 7,
};

enum arm_spe_op_type {
	ARM_SPE_LD		= 1 << 0,
	ARM_SPE_ST		= 1 << 1,
};

struct arm_spe_record {
	enum arm_spe_sample_type type;
	int err;
	u32 op;
	u32 latency;
	u64 from_ip;
	u64 to_ip;
	u64 timestamp;
	u64 virt_addr;
	u64 phys_addr;
	u64 context_id;
};

struct arm_spe_insn;

struct arm_spe_buffer {
	const unsigned char *buf;
	size_t len;
	u64 offset;
	u64 trace_nr;
};

struct arm_spe_params {
	int (*get_trace)(struct arm_spe_buffer *buffer, void *data);
	void *data;
};

struct arm_spe_decoder {
	int (*get_trace)(struct arm_spe_buffer *buffer, void *data);
	void *data;
	struct arm_spe_record record;

	const unsigned char *buf;
	size_t len;

	struct arm_spe_pkt packet;
};

struct arm_spe_decoder *arm_spe_decoder_new(struct arm_spe_params *params);
void arm_spe_decoder_free(struct arm_spe_decoder *decoder);

int arm_spe_decode(struct arm_spe_decoder *decoder);

#endif