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
105
106
|
// SPDX-License-Identifier: GPL-2.0
#include "trace.h"
/*
* osnoise_context - read, store, write, restore osnoise configs.
*/
struct osnoise_context {
int flags;
int ref;
char *curr_cpus;
char *orig_cpus;
/* 0 as init value */
unsigned long long orig_runtime_us;
unsigned long long runtime_us;
/* 0 as init value */
unsigned long long orig_period_us;
unsigned long long period_us;
/* 0 as init value */
long long orig_timerlat_period_us;
long long timerlat_period_us;
/* 0 as init value */
long long orig_tracing_thresh;
long long tracing_thresh;
/* -1 as init value because 0 is disabled */
long long orig_stop_us;
long long stop_us;
/* -1 as init value because 0 is disabled */
long long orig_stop_total_us;
long long stop_total_us;
/* -1 as init value because 0 is disabled */
long long orig_print_stack;
long long print_stack;
/* -1 as init value because 0 is off */
int orig_opt_irq_disable;
int opt_irq_disable;
};
/*
* *_INIT_VALs are also invalid values, they are used to
* communicate errors.
*/
#define OSNOISE_OPTION_INIT_VAL (-1)
#define OSNOISE_TIME_INIT_VAL (0)
struct osnoise_context *osnoise_context_alloc(void);
int osnoise_get_context(struct osnoise_context *context);
void osnoise_put_context(struct osnoise_context *context);
int osnoise_set_cpus(struct osnoise_context *context, char *cpus);
void osnoise_restore_cpus(struct osnoise_context *context);
int osnoise_set_runtime_period(struct osnoise_context *context,
unsigned long long runtime,
unsigned long long period);
void osnoise_restore_runtime_period(struct osnoise_context *context);
int osnoise_set_stop_us(struct osnoise_context *context,
long long stop_us);
void osnoise_restore_stop_us(struct osnoise_context *context);
int osnoise_set_stop_total_us(struct osnoise_context *context,
long long stop_total_us);
void osnoise_restore_stop_total_us(struct osnoise_context *context);
int osnoise_set_timerlat_period_us(struct osnoise_context *context,
long long timerlat_period_us);
void osnoise_restore_timerlat_period_us(struct osnoise_context *context);
int osnoise_set_tracing_thresh(struct osnoise_context *context,
long long tracing_thresh);
void osnoise_restore_tracing_thresh(struct osnoise_context *context);
void osnoise_restore_print_stack(struct osnoise_context *context);
int osnoise_set_print_stack(struct osnoise_context *context,
long long print_stack);
int osnoise_set_irq_disable(struct osnoise_context *context, bool onoff);
/*
* osnoise_tool - osnoise based tool definition.
*/
struct osnoise_tool {
struct trace_instance trace;
struct osnoise_context *context;
void *data;
void *params;
time_t start_time;
};
void osnoise_destroy_tool(struct osnoise_tool *top);
struct osnoise_tool *osnoise_init_tool(char *tool_name);
struct osnoise_tool *osnoise_init_trace_tool(char *tracer);
int osnoise_hist_main(int argc, char *argv[]);
int osnoise_top_main(int argc, char **argv);
int osnoise_main(int argc, char **argv);
int hwnoise_main(int argc, char **argv);
|