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// SPDX-License-Identifier: GPL-2.0
#pragma once
#include "utils.h"
#include "trace.h"
enum osnoise_mode {
MODE_OSNOISE = 0,
MODE_HWNOISE
};
struct osnoise_params {
/* Common params */
char *cpus;
cpu_set_t monitored_cpus;
char *trace_output;
char *cgroup_name;
unsigned long long runtime;
unsigned long long period;
long long threshold;
long long stop_us;
long long stop_total_us;
int sleep_time;
int duration;
int set_sched;
int cgroup;
int hk_cpus;
cpu_set_t hk_cpu_set;
struct sched_attr sched_param;
struct trace_events *events;
int warmup;
int buffer_size;
union {
struct {
/* top only */
int quiet;
int pretty_output;
enum osnoise_mode mode;
};
struct {
/* hist only */
int output_divisor;
char no_header;
char no_summary;
char no_index;
char with_zeros;
int bucket_size;
int entries;
};
};
};
/*
* 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;
/* -1 as init value because 0 is off */
int orig_opt_workload;
int opt_workload;
};
/*
* *_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);
int osnoise_set_workload(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);
void osnoise_report_missed_events(struct osnoise_tool *tool);
bool osnoise_trace_is_off(struct osnoise_tool *tool, struct osnoise_tool *record);
int osnoise_apply_config(struct osnoise_tool *tool, struct osnoise_params *params);
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);
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