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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that 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.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM perf_trace_counters
#if !defined(_PERF_TRACE_USER_H_) || defined(TRACE_HEADER_MULTI_READ)
#define _PERF_TRACE_USER_H_
#include <linux/cpumask.h>
#include <linux/tracepoint.h>
#include <mach/msm-krait-l2-accessors.h>
#define CNTENSET_CC 0x80000000
#define NUM_L1_CTRS 4
#define NUM_L2_PERCPU 2
extern u32 perf_num_l2ctrs;
TRACE_EVENT(perf_trace_user,
TP_PROTO(char *string, u32 cnten_val, unsigned long l2_enmask),
TP_ARGS(string, cnten_val, l2_enmask),
TP_STRUCT__entry(
__field(u32, cctr)
__field(u32, ctr0)
__field(u32, ctr1)
__field(u32, ctr2)
__field(u32, ctr3)
__field(u32, lctr0)
__field(u32, lctr1)
__string(user_string, string)
),
TP_fast_assign(
u32 cnt;
u32 l1_cnts[NUM_L1_CTRS];
u32 l2_cnts[NUM_L2_PERCPU];
unsigned long idx;
int i;
if (cnten_val & CNTENSET_CC) {
/* Read value */
asm volatile("mrc p15, 0, %0, c9, c13, 0"
: "=r"(cnt));
__entry->cctr = cnt;
} else
__entry->cctr = 0;
for (i = 0; i < NUM_L1_CTRS; i++) {
if (cnten_val & (1 << i)) {
/* Select */
asm volatile("mcr p15, 0, %0, c9, c12, 5"
: : "r"(i));
/* Read value */
asm volatile("mrc p15, 0, %0, c9, c13, 2"
: "=r"(cnt));
l1_cnts[i] = cnt;
} else {
l1_cnts[i] = 0;
}
}
/* L2 counters */
i = 0;
l2_cnts[0] = 0;
l2_cnts[1] = 0;
for_each_set_bit(idx, &l2_enmask, perf_num_l2ctrs) {
/*
* L2PMXEVCNTR address offsets increment by 16,
* so multiply idx by 16 to get the next reg
*/
l2_cnts[i++] = get_l2_indirect_reg(
(idx * 16) + IA_L2PMXEVCNTR_BASE);
}
__entry->ctr0 = l1_cnts[0];
__entry->ctr1 = l1_cnts[1];
__entry->ctr2 = l1_cnts[2];
__entry->ctr3 = l1_cnts[3];
__entry->lctr0 = l2_cnts[0];
__entry->lctr1 = l2_cnts[1];
__assign_str(user_string, string);
),
TP_printk("CCNTR: %u, CTR0: %u, CTR1: %u, CTR2: %u, CTR3: %u, L2CTR0: %u, L2CTR1: %u, MSG=%s",
__entry->cctr, __entry->ctr0, __entry->ctr1,
__entry->ctr2, __entry->ctr3,
__entry->lctr0, __entry->lctr1,
__get_str(user_string)
)
);
#endif
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH ../../arch/arm/mach-msm
#define TRACE_INCLUDE_FILE perf_trace_user
#include <trace/define_trace.h>
|
