1 // SPDX-License-Identifier: GPL-2.0
2 #include "trace.h"
3
4 /*
5 * osnoise_context - read, store, write, restore osnoise configs.
6 */
7 struct osnoise_context {
8 int flags;
9 int ref;
10
11 char *curr_cpus;
12 char *orig_cpus;
13
14 /* 0 as init value */
15 unsigned long long orig_runtime_us;
16 unsigned long long runtime_us;
17
18 /* 0 as init value */
19 unsigned long long orig_period_us;
20 unsigned long long period_us;
21
22 /* 0 as init value */
23 long long orig_timerlat_period_us;
24 long long timerlat_period_us;
25
26 /* 0 as init value */
27 long long orig_tracing_thresh;
28 long long tracing_thresh;
29
30 /* -1 as init value because 0 is disabled */
31 long long orig_stop_us;
32 long long stop_us;
33
34 /* -1 as init value because 0 is disabled */
35 long long orig_stop_total_us;
36 long long stop_total_us;
37
38 /* -1 as init value because 0 is disabled */
39 long long orig_print_stack;
40 long long print_stack;
41
42 /* -1 as init value because 0 is off */
43 int orig_opt_irq_disable;
44 int opt_irq_disable;
45
46 /* -1 as init value because 0 is off */
47 int orig_opt_workload;
48 int opt_workload;
49 };
50
51 /*
52 * *_INIT_VALs are also invalid values, they are used to
53 * communicate errors.
54 */
55 #define OSNOISE_OPTION_INIT_VAL (-1)
56 #define OSNOISE_TIME_INIT_VAL (0)
57
58 struct osnoise_context *osnoise_context_alloc(void);
59 int osnoise_get_context(struct osnoise_context *context);
60 void osnoise_put_context(struct osnoise_context *context);
61
62 int osnoise_set_cpus(struct osnoise_context *context, char *cpus);
63 void osnoise_restore_cpus(struct osnoise_context *context);
64
65 int osnoise_set_runtime_period(struct osnoise_context *context,
66 unsigned long long runtime,
67 unsigned long long period);
68 void osnoise_restore_runtime_period(struct osnoise_context *context);
69
70 int osnoise_set_stop_us(struct osnoise_context *context,
71 long long stop_us);
72 void osnoise_restore_stop_us(struct osnoise_context *context);
73
74 int osnoise_set_stop_total_us(struct osnoise_context *context,
75 long long stop_total_us);
76 void osnoise_restore_stop_total_us(struct osnoise_context *context);
77
78 int osnoise_set_timerlat_period_us(struct osnoise_context *context,
79 long long timerlat_period_us);
80 void osnoise_restore_timerlat_period_us(struct osnoise_context *context);
81
82 int osnoise_set_tracing_thresh(struct osnoise_context *context,
83 long long tracing_thresh);
84 void osnoise_restore_tracing_thresh(struct osnoise_context *context);
85
86 void osnoise_restore_print_stack(struct osnoise_context *context);
87 int osnoise_set_print_stack(struct osnoise_context *context,
88 long long print_stack);
89
90 int osnoise_set_irq_disable(struct osnoise_context *context, bool onoff);
91 int osnoise_set_workload(struct osnoise_context *context, bool onoff);
92
93 /*
94 * osnoise_tool - osnoise based tool definition.
95 */
96 struct osnoise_tool {
97 struct trace_instance trace;
98 struct osnoise_context *context;
99 void *data;
100 void *params;
101 time_t start_time;
102 };
103
104 void osnoise_destroy_tool(struct osnoise_tool *top);
105 struct osnoise_tool *osnoise_init_tool(char *tool_name);
106 struct osnoise_tool *osnoise_init_trace_tool(char *tracer);
107
108 int osnoise_hist_main(int argc, char *argv[]);
109 int osnoise_top_main(int argc, char **argv);
110 int osnoise_main(int argc, char **argv);
111 int hwnoise_main(int argc, char **argv);
112
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