1// SPDX-License-Identifier: GPL-2.0
2#include "trace.h"
3
4/*
5 * osnoise_context - read, store, write, restore osnoise configs.
6 */
7struct 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
58struct osnoise_context *osnoise_context_alloc(void);
59int osnoise_get_context(struct osnoise_context *context);
60void osnoise_put_context(struct osnoise_context *context);
61
62int osnoise_set_cpus(struct osnoise_context *context, char *cpus);
63void osnoise_restore_cpus(struct osnoise_context *context);
64
65int osnoise_set_runtime_period(struct osnoise_context *context,
66			       unsigned long long runtime,
67			       unsigned long long period);
68void osnoise_restore_runtime_period(struct osnoise_context *context);
69
70int osnoise_set_stop_us(struct osnoise_context *context,
71			long long stop_us);
72void osnoise_restore_stop_us(struct osnoise_context *context);
73
74int osnoise_set_stop_total_us(struct osnoise_context *context,
75			      long long stop_total_us);
76void osnoise_restore_stop_total_us(struct osnoise_context *context);
77
78int osnoise_set_timerlat_period_us(struct osnoise_context *context,
79				   long long timerlat_period_us);
80void osnoise_restore_timerlat_period_us(struct osnoise_context *context);
81
82int osnoise_set_tracing_thresh(struct osnoise_context *context,
83			       long long tracing_thresh);
84void osnoise_restore_tracing_thresh(struct osnoise_context *context);
85
86void osnoise_restore_print_stack(struct osnoise_context *context);
87int osnoise_set_print_stack(struct osnoise_context *context,
88			    long long print_stack);
89
90int osnoise_set_irq_disable(struct osnoise_context *context, bool onoff);
91int osnoise_set_workload(struct osnoise_context *context, bool onoff);
92
93/*
94 * osnoise_tool -  osnoise based tool definition.
95 */
96struct 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
104void osnoise_destroy_tool(struct osnoise_tool *top);
105struct osnoise_tool *osnoise_init_tool(char *tool_name);
106struct osnoise_tool *osnoise_init_trace_tool(char *tracer);
107
108int osnoise_hist_main(int argc, char *argv[]);
109int osnoise_top_main(int argc, char **argv);
110int osnoise_main(int argc, char **argv);
111int hwnoise_main(int argc, char **argv);
112