788210816d
Change adds CPU stats module for tracing hooks. Module provides information about percent of CPU usage based on tracing hooks for threads switching in and out, interrupts enters and exits. cpu_stats only distinguishes between idle thread, non idle thread and scheduler. Signed-off-by: Marek Pieta <Marek.Pieta@nordicsemi.no>
136 lines
3 KiB
C
136 lines
3 KiB
C
/*
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_TRACING_H_
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#define ZEPHYR_INCLUDE_TRACING_H_
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#include <kernel.h>
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/* Below IDs are used with systemview, not final to the zephyr tracing API */
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#define SYS_TRACE_ID_OFFSET (32u)
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#define SYS_TRACE_ID_MUTEX_INIT (1u + SYS_TRACE_ID_OFFSET)
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#define SYS_TRACE_ID_MUTEX_UNLOCK (2u + SYS_TRACE_ID_OFFSET)
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#define SYS_TRACE_ID_MUTEX_LOCK (3u + SYS_TRACE_ID_OFFSET)
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#define SYS_TRACE_ID_SEMA_INIT (4u + SYS_TRACE_ID_OFFSET)
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#define SYS_TRACE_ID_SEMA_GIVE (5u + SYS_TRACE_ID_OFFSET)
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#define SYS_TRACE_ID_SEMA_TAKE (6u + SYS_TRACE_ID_OFFSET)
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#if CONFIG_TRACING
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void z_sys_trace_idle(void);
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void z_sys_trace_isr_enter(void);
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void z_sys_trace_isr_exit(void);
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void z_sys_trace_isr_exit_to_scheduler(void);
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void z_sys_trace_thread_switched_in(void);
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void z_sys_trace_thread_switched_out(void);
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#endif
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#ifdef CONFIG_SEGGER_SYSTEMVIEW
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#include "tracing_sysview.h"
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#elif defined CONFIG_TRACING_CPU_STATS
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#include "tracing_cpu_stats.h"
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#else
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/**
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* @brief Called before a thread has been selected to run
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*/
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#define sys_trace_thread_switched_out()
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/**
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* @brief Called after a thread has been selected to run
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*/
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#define sys_trace_thread_switched_in()
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/**
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* @brief Called when setting priority of a thread
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*/
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#define sys_trace_thread_priority_set(thread)
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/**
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* @brief Called when a thread is being created
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*/
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#define sys_trace_thread_create(thread)
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/**
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* @brief Called when a thread is being aborted
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*
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*/
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#define sys_trace_thread_abort(thread)
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/**
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* @brief Called when a thread is being suspended
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* @param thread Thread structure
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*/
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#define sys_trace_thread_suspend(thread)
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/**
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* @brief Called when a thread is being resumed from suspension
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* @param thread Thread structure
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*/
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#define sys_trace_thread_resume(thread)
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/**
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* @brief Called when a thread is ready to run
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* @param thread Thread structure
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*/
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#define sys_trace_thread_ready(thread)
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/**
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* @brief Called when a thread is pending
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* @param thread Thread structure
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*/
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#define sys_trace_thread_pend(thread)
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/**
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* @brief Provide information about specific thread
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* @param thread Thread structure
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*/
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#define sys_trace_thread_info(thread)
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/**
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* @brief Called when entering an ISR
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*/
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#define sys_trace_isr_enter()
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/**
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* @brief Called when exiting an ISR
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*/
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#define sys_trace_isr_exit()
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/**
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* @brief Called when exiting an ISR and switching to scheduler
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*/
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#define sys_trace_isr_exit_to_scheduler()
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/**
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* @brief Can be called with any id signifying a new call
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* @param id ID of the operation that was started
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*/
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#define sys_trace_void(id)
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/**
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* @brief Can be called with any id signifying ending a call
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* @param id ID of the operation that was completed
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*/
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#define sys_trace_end_call(id)
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#define z_sys_trace_idle()
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#define z_sys_trace_isr_enter()
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#define z_sys_trace_isr_exit()
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#define z_sys_trace_isr_exit_to_scheduler()
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#define z_sys_trace_thread_switched_in()
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#define z_sys_trace_thread_switched_out()
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#endif
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#endif
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