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nuttx/include/nuttx/sched_note.h
chao.an 609e949ab0 sched/note: include-able from C++ files 
Signed-off-by: chao.an <anchao@xiaomi.com>
2022-04-11 16:30:27 +08:00

716 lines
22 KiB
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/****************************************************************************
* include/nuttx/sched_note.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_SCHED_NOTE_H
#define __INCLUDE_NUTTX_SCHED_NOTE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdarg.h>
#include <nuttx/sched.h>
/* For system call numbers definition */
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
#ifdef CONFIG_LIB_SYSCALL
#include <syscall.h>
#else
#define CONFIG_LIB_SYSCALL
#include <syscall.h>
#undef CONFIG_LIB_SYSCALL
#endif
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Provide defaults for some configuration settings (could be undefined with
* old configuration files)
*/
#ifndef CONFIG_SCHED_INSTRUMENTATION_CPUSET
# define CONFIG_SCHED_INSTRUMENTATION_CPUSET 0xffff
#endif
/* Note filter mode flag definitions */
#define NOTE_FILTER_MODE_FLAG_ENABLE (1 << 0) /* Enable instrumentation */
#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
#define NOTE_FILTER_MODE_FLAG_SWITCH (1 << 1) /* Enable syscall instrumentation */
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
#define NOTE_FILTER_MODE_FLAG_SYSCALL (1 << 2) /* Enable syscall instrumentation */
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
#define NOTE_FILTER_MODE_FLAG_IRQ (1 << 3) /* Enable IRQ instrumentaiton */
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_DUMP
#define NOTE_FILTER_MODE_FLAG_DUMP (1 << 4) /* Enable dump instrumentaiton */
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
#define NOTE_FILTER_MODE_FLAG_SYSCALL_ARGS (1 << 5) /* Enable collecting syscall arguments */
#endif
/* Helper macros for syscall instrumentation filter */
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
#define NOTE_FILTER_SYSCALLMASK_SET(nr, s) \
((s)->syscall_mask[(nr) / 8] |= (1 << ((nr) % 8)))
#define NOTE_FILTER_SYSCALLMASK_CLR(nr, s) \
((s)->syscall_mask[(nr) / 8] &= ~(1 << ((nr) % 8)))
#define NOTE_FILTER_SYSCALLMASK_ISSET(nr, s) \
((s)->syscall_mask[(nr) / 8] & (1 << ((nr) % 8)))
#define NOTE_FILTER_SYSCALLMASK_ZERO(s) \
memset((s), 0, sizeof(struct note_filter_syscall_s))
#endif
/* Helper macros for IRQ instrumentation filter */
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
#define NOTE_FILTER_IRQMASK_SET(nr, s) \
((s)->irq_mask[(nr) / 8] |= (1 << ((nr) % 8)))
#define NOTE_FILTER_IRQMASK_CLR(nr, s) \
((s)->irq_mask[(nr) / 8] &= ~(1 << ((nr) % 8)))
#define NOTE_FILTER_IRQMASK_ISSET(nr, s) \
((s)->irq_mask[(nr) / 8] & (1 << ((nr) % 8)))
#define NOTE_FILTER_IRQMASK_ZERO(s) \
memset((s), 0, sizeof(struct note_filter_irq_s))
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_DUMP
# define SCHED_NOTE_LABEL__(x, y) x ## y
# define SCHED_NOTE_LABEL_(x, y) SCHED_NOTE_LABEL__(x, y)
# define SCHED_NOTE_LABEL \
SCHED_NOTE_LABEL_(sched_note_here, __LINE__)
# define SCHED_NOTE_IP \
({SCHED_NOTE_LABEL: (uintptr_t)&&SCHED_NOTE_LABEL;})
# define SCHED_NOTE_STRING(buf) \
sched_note_string(SCHED_NOTE_IP, buf)
# define SCHED_NOTE_DUMP(event, buf, len) \
sched_note_dump(SCHED_NOTE_IP, event, buf, len)
# define SCHED_NOTE_VPRINTF(fmt, va) \
sched_note_vprintf(SCHED_NOTE_IP, fmt, va)
# define SCHED_NOTE_VBPRINTF(event, fmt, va) \
sched_note_vbprintf(SCHED_NOTE_IP, event, fmt, va)
# define SCHED_NOTE_PRINTF(fmt, args...) \
sched_note_printf(SCHED_NOTE_IP, fmt, ##args)
# define SCHED_NOTE_BPRINTF(event, fmt, args...) \
sched_note_bprintf(SCHED_NOTE_IP, event, fmt, ##args)
# define SCHED_NOTE_BEGIN() \
sched_note_begin(SCHED_NOTE_IP, __FUNCTION__)
# define SCHED_NOTE_END() \
sched_note_end(SCHED_NOTE_IP, __FUNCTION__)
#else
# define SCHED_NOTE_STRING(buf)
# define SCHED_NOTE_DUMP(event, buf, len)
# define SCHED_NOTE_VPRINTF(fmt, va)
# define SCHED_NOTE_VBPRINTF(event, fmt, va)
# define SCHED_NOTE_PRINTF(fmt, args...)
# define SCHED_NOTE_BPRINTF(event, fmt, args...)
# define SCHED_NOTE_BEGIN()
# define SCHED_NOTE_END()
#endif
/****************************************************************************
* Public Types
****************************************************************************/
/* This type identifies a note structure */
enum note_type_e
{
NOTE_START = 0,
NOTE_STOP = 1
#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
,
NOTE_SUSPEND = 2,
NOTE_RESUME = 3
#endif
#ifdef CONFIG_SMP
,
NOTE_CPU_START = 4,
NOTE_CPU_STARTED = 5
#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
,
NOTE_CPU_PAUSE = 6,
NOTE_CPU_PAUSED = 7,
NOTE_CPU_RESUME = 8,
NOTE_CPU_RESUMED = 9
#endif
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_PREEMPTION
,
NOTE_PREEMPT_LOCK = 10,
NOTE_PREEMPT_UNLOCK = 11
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_CSECTION
,
NOTE_CSECTION_ENTER = 12,
NOTE_CSECTION_LEAVE = 13
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_SPINLOCKS
,
NOTE_SPINLOCK_LOCK = 14,
NOTE_SPINLOCK_LOCKED = 15,
NOTE_SPINLOCK_UNLOCK = 16,
NOTE_SPINLOCK_ABORT = 17
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
,
NOTE_SYSCALL_ENTER = 18,
NOTE_SYSCALL_LEAVE = 19
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
,
NOTE_IRQ_ENTER = 20,
NOTE_IRQ_LEAVE = 21
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_DUMP
,
NOTE_DUMP_STRING = 22,
NOTE_DUMP_BINARY = 23
#endif
};
/* This structure provides the common header of each note */
struct note_common_s
{
uint8_t nc_length; /* Length of the note */
uint8_t nc_type; /* See enum note_type_e */
uint8_t nc_priority; /* Thread/task priority */
#ifdef CONFIG_SMP
uint8_t nc_cpu; /* CPU thread/task running on */
#endif
uint8_t nc_pid[sizeof(pid_t)]; /* ID of the thread/task */
#ifdef CONFIG_SCHED_INSTRUMENTATION_HIRES
uint8_t nc_systime_sec[sizeof(time_t)]; /* Time when note was buffered (sec) */
uint8_t nc_systime_nsec[sizeof(long)]; /* Time when note was buffered (nsec) */
#else
uint8_t nc_systime[sizeof(clock_t)]; /* Time when note was buffered */
#endif
};
/* This is the specific form of the NOTE_START note */
struct note_start_s
{
struct note_common_s nst_cmn; /* Common note parameters */
#if CONFIG_TASK_NAME_SIZE > 0
char nst_name[1]; /* Start of the name of the thread/task */
#endif
};
/* This is the specific form of the NOTE_STOP note */
struct note_stop_s
{
struct note_common_s nsp_cmn; /* Common note parameters */
};
#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
/* This is the specific form of the NOTE_SUSPEND note */
struct note_suspend_s
{
struct note_common_s nsu_cmn; /* Common note parameters */
uint8_t nsu_state; /* Task state */
};
/* This is the specific form of the NOTE_RESUME note */
struct note_resume_s
{
struct note_common_s nre_cmn; /* Common note parameters */
};
#endif
#ifdef CONFIG_SMP
/* This is the specific form of the NOTE_CPU_START note */
struct note_cpu_start_s
{
struct note_common_s ncs_cmn; /* Common note parameters */
uint8_t ncs_target; /* CPU being started */
};
/* This is the specific form of the NOTE_CPU_STARTED note */
struct note_cpu_started_s
{
struct note_common_s ncs_cmn; /* Common note parameters */
};
#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
/* This is the specific form of the NOTE_CPU_PAUSE note */
struct note_cpu_pause_s
{
struct note_common_s ncp_cmn; /* Common note parameters */
uint8_t ncp_target; /* CPU being paused */
};
/* This is the specific form of the NOTE_CPU_PAUSED note */
struct note_cpu_paused_s
{
struct note_common_s ncp_cmn; /* Common note parameters */
};
/* This is the specific form of the NOTE_CPU_RESUME note */
struct note_cpu_resume_s
{
struct note_common_s ncr_cmn; /* Common note parameters */
uint8_t ncr_target; /* CPU being resumed */
};
/* This is the specific form of the NOTE_CPU_RESUMED note */
struct note_cpu_resumed_s
{
struct note_common_s ncr_cmn; /* Common note parameters */
};
#endif
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_PREEMPTION
/* This is the specific form of the NOTE_PREEMPT_LOCK/UNLOCK note */
struct note_preempt_s
{
struct note_common_s npr_cmn; /* Common note parameters */
uint8_t npr_count[2]; /* Count of nested locks */
};
#endif /* CONFIG_SCHED_INSTRUMENTATION_PREEMPTION */
#ifdef CONFIG_SCHED_INSTRUMENTATION_CSECTION
/* This is the specific form of the NOTE_CSECTION_ENTER/LEAVE note */
struct note_csection_s
{
struct note_common_s ncs_cmn; /* Common note parameters */
#ifdef CONFIG_SMP
uint8_t ncs_count[2]; /* Count of nested csections */
#endif
};
#endif /* CONFIG_SCHED_INSTRUMENTATION_CSECTION */
#ifdef CONFIG_SCHED_INSTRUMENTATION_SPINLOCKS
/* This is the specific form of the NOTE_SPINLOCK_LOCK/LOCKED/UNLOCK/ABORT
* note.
*/
struct note_spinlock_s
{
struct note_common_s nsp_cmn; /* Common note parameters */
uint8_t nsp_spinlock[sizeof(uintptr_t)]; /* Address of spinlock */
uint8_t nsp_value; /* Value of spinlock */
};
#endif /* CONFIG_SCHED_INSTRUMENTATION_SPINLOCKS */
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
/* This is the specific form of the NOTE_SYSCALL_ENTER/LEAVE notes */
#define MAX_SYSCALL_ARGS 6
#define SIZEOF_NOTE_SYSCALL_ENTER(n) (sizeof(struct note_common_s) + \
sizeof(uint8_t) + sizeof(uint8_t) + \
(sizeof(uintptr_t) * (n)))
struct note_syscall_enter_s
{
struct note_common_s nsc_cmn; /* Common note parameters */
uint8_t nsc_nr; /* System call number */
uint8_t nsc_argc; /* Number of system call arguments */
uint8_t nsc_args[sizeof(uintptr_t) * MAX_SYSCALL_ARGS]; /* System call arguments */
};
struct note_syscall_leave_s
{
struct note_common_s nsc_cmn; /* Common note parameters */
uint8_t nsc_nr; /* System call number */
uint8_t nsc_result[sizeof(uintptr_t)]; /* Result of the system call */
};
#endif /* CONFIG_SCHED_INSTRUMENTATION_SYSCALL */
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
/* This is the specific form of the NOTE_IRQ_ENTER/LEAVE notes */
struct note_irqhandler_s
{
struct note_common_s nih_cmn; /* Common note parameters */
uint8_t nih_irq; /* IRQ number */
};
#endif /* CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER */
#ifdef CONFIG_SCHED_INSTRUMENTATION_DUMP
struct note_string_s
{
struct note_common_s nst_cmn; /* Common note parameters */
uint8_t nst_ip[sizeof(uintptr_t)]; /* Instruction pointer called from */
char nst_data[1]; /* String data terminated by '\0' */
};
#define SIZEOF_NOTE_STRING(n) (sizeof(struct note_string_s) + \
(n) * sizeof(char))
struct note_binary_s
{
struct note_common_s nbi_cmn; /* Common note parameters */
uint8_t nbi_ip[sizeof(uintptr_t)]; /* Instruction pointer called from */
uint8_t nbi_event; /* Event number */
uint8_t nbi_data[1]; /* Binary data */
};
#define SIZEOF_NOTE_BINARY(n) (sizeof(struct note_binary_s) + \
((n) - 1) * sizeof(uint8_t))
#endif /* CONFIG_SCHED_INSTRUMENTATION_DUMP */
#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
/* This is the type of the argument passed to the NOTECTL_GETMODE and
* NOTECTL_SETMODE ioctls
*/
struct note_filter_mode_s
{
unsigned int flag; /* Filter mode flag */
#ifdef CONFIG_SMP
unsigned int cpuset; /* The set of monitored CPUs */
#endif
};
/* This is the type of the argument passed to the NOTECTL_GETSYSCALLFILTER
* and NOTECTL_SETSYSCALLFILTER ioctls
*/
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
struct note_filter_syscall_s
{
uint8_t syscall_mask[(SYS_nsyscalls + 7) / 8];
};
#endif
/* This is the type of the argument passed to the NOTECTL_GETIRQFILTER and
* NOTECTL_SETIRQFILTER ioctls
*/
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
struct note_filter_irq_s
{
uint8_t irq_mask[(NR_IRQS + 7) / 8];
};
#endif
#endif /* CONFIG_SCHED_INSTRUMENTATION_FILTER */
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: sched_note_*
*
* Description:
* If instrumentation of the scheduler is enabled, then some outboard
* logic must provide the following interfaces. These interfaces are not
* available to application code.
*
* Input Parameters:
* tcb - The TCB of the thread.
*
* Returned Value:
* None
*
****************************************************************************/
void sched_note_start(FAR struct tcb_s *tcb);
void sched_note_stop(FAR struct tcb_s *tcb);
#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
void sched_note_suspend(FAR struct tcb_s *tcb);
void sched_note_resume(FAR struct tcb_s *tcb);
#else
# define sched_note_suspend(t)
# define sched_note_resume(t)
#endif
#ifdef CONFIG_SMP
void sched_note_cpu_start(FAR struct tcb_s *tcb, int cpu);
void sched_note_cpu_started(FAR struct tcb_s *tcb);
#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
void sched_note_cpu_pause(FAR struct tcb_s *tcb, int cpu);
void sched_note_cpu_paused(FAR struct tcb_s *tcb);
void sched_note_cpu_resume(FAR struct tcb_s *tcb, int cpu);
void sched_note_cpu_resumed(FAR struct tcb_s *tcb);
#else
# define sched_note_cpu_pause(t,c)
# define sched_note_cpu_paused(t)
# define sched_note_cpu_resume(t,c)
# define sched_note_cpu_resumed(t)
#endif
#else
# define sched_note_cpu_pause(t,c)
# define sched_note_cpu_paused(t)
# define sched_note_cpu_resume(t,c)
# define sched_note_cpu_resumed(t)
# define sched_note_cpu_start(t,c)
# define sched_note_cpu_started(t)
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_PREEMPTION
void sched_note_premption(FAR struct tcb_s *tcb, bool locked);
#else
# define sched_note_premption(t,l)
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_CSECTION
void sched_note_csection(FAR struct tcb_s *tcb, bool enter);
#else
# define sched_note_csection(t,e)
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_SPINLOCKS
void sched_note_spinlock(FAR struct tcb_s *tcb,
FAR volatile void *spinlock);
void sched_note_spinlocked(FAR struct tcb_s *tcb,
FAR volatile void *spinlock);
void sched_note_spinunlock(FAR struct tcb_s *tcb,
FAR volatile void *spinlock);
void sched_note_spinabort(FAR struct tcb_s *tcb,
FAR volatile void *spinlock);
#else
# define sched_note_spinlock(t,s)
# define sched_note_spinlocked(t,s)
# define sched_note_spinunlock(t,s)
# define sched_note_spinabort(t,s)
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
void sched_note_syscall_enter(int nr, int argc, ...);
void sched_note_syscall_leave(int nr, uintptr_t result);
#else
# define sched_note_syscall_enter(n,a...)
# define sched_note_syscall_leave(n,r)
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
void sched_note_irqhandler(int irq, FAR void *handler, bool enter);
#else
# define sched_note_irqhandler(i,h,e)
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_DUMP
void sched_note_string(uintptr_t ip, FAR const char *buf);
void sched_note_dump(uintptr_t ip, uint8_t event,
FAR const void *buf, size_t len);
void sched_note_vprintf(uintptr_t ip, FAR const char *fmt,
va_list va) printflike(2, 0);
void sched_note_vbprintf(uintptr_t ip, uint8_t event,
FAR const char *fmt, va_list va) printflike(3, 0);
void sched_note_printf(uintptr_t ip,
FAR const char *fmt, ...) printflike(2, 3);
void sched_note_bprintf(uintptr_t ip, uint8_t event,
FAR const char *fmt, ...) printflike(3, 4);
void sched_note_begin(uintptr_t ip, FAR const char *buf);
void sched_note_end(uintptr_t ip, FAR const char *buf);
#else
# define sched_note_string(ip,b)
# define sched_note_dump(ip,e,b,l)
# define sched_note_vprintf(ip,f,v)
# define sched_note_vbprintf(ip,e,f,v)
# define sched_note_printf(ip,f...)
# define sched_note_bprintf(ip,e,f...)
# define sched_note_begin(ip,f...)
# define sched_note_end(ip,f...)
#endif /* CONFIG_SCHED_INSTRUMENTATION_DUMP */
#if defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT)
/****************************************************************************
* Name: sched_note_add
*
* Description:
* Add the variable length note to the transport layer
*
* Input Parameters:
* note - The note buffer
* notelen - The buffer length
*
* Returned Value:
* None
*
* Assumptions:
* We are within a critical section.
*
****************************************************************************/
void sched_note_add(FAR const void *note, size_t notelen);
/****************************************************************************
* Name: sched_note_filter_mode
*
* Description:
* Set and get note filter mode.
* (Same as NOTECTL_GETMODE / NOTECTL_SETMODE ioctls)
*
* Input Parameters:
* oldm - A writable pointer to struct note_filter_mode_s to get current
* filter mode
* If 0, no data is written.
* newm - A read-only pointer to struct note_filter_mode_s which holds the
* new filter mode
* If 0, the filter mode is not updated.
*
* Returned Value:
* None
*
****************************************************************************/
#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
void sched_note_filter_mode(struct note_filter_mode_s *oldm,
struct note_filter_mode_s *newm);
#endif
/****************************************************************************
* Name: sched_note_filter_syscall
*
* Description:
* Set and get syscall filter setting
* (Same as NOTECTL_GETSYSCALLFILTER / NOTECTL_SETSYSCALLFILTER ioctls)
*
* Input Parameters:
* oldf - A writable pointer to struct note_filter_syscall_s to get
* current syscall filter setting
* If 0, no data is written.
* newf - A read-only pointer to struct note_filter_syscall_s of the
* new syscall filter setting
* If 0, the setting is not updated.
*
* Returned Value:
* None
*
****************************************************************************/
#if defined(CONFIG_SCHED_INSTRUMENTATION_FILTER) && \
defined(CONFIG_SCHED_INSTRUMENTATION_SYSCALL)
void sched_note_filter_syscall(struct note_filter_syscall_s *oldf,
struct note_filter_syscall_s *newf);
#endif
/****************************************************************************
* Name: sched_note_filter_irq
*
* Description:
* Set and get IRQ filter setting
* (Same as NOTECTL_GETIRQFILTER / NOTECTL_SETIRQFILTER ioctls)
*
* Input Parameters:
* oldf - A writable pointer to struct note_filter_irq_s to get
* current IRQ filter setting
* If 0, no data is written.
* newf - A read-only pointer to struct note_filter_irq_s of the new
* IRQ filter setting
* If 0, the setting is not updated.
*
* Returned Value:
* None
*
****************************************************************************/
#if defined(CONFIG_SCHED_INSTRUMENTATION_FILTER) && \
defined(CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER)
void sched_note_filter_irq(struct note_filter_irq_s *oldf,
struct note_filter_irq_s *newf);
#endif
#endif /* defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT) */
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#else /* CONFIG_SCHED_INSTRUMENTATION */
# define SCHED_NOTE_STRING(buf)
# define SCHED_NOTE_DUMP(event, buf, len)
# define SCHED_NOTE_VPRINTF(fmt, va)
# define SCHED_NOTE_VBPRINTF(event, fmt, va)
# define SCHED_NOTE_PRINTF(fmt, args...)
# define SCHED_NOTE_BPRINTF(event, fmt, args...)
# define SCHED_NOTE_BEGIN()
# define SCHED_NOTE_END()
# define sched_note_start(t)
# define sched_note_stop(t)
# define sched_note_suspend(t)
# define sched_note_resume(t)
# define sched_note_cpu_start(t,c)
# define sched_note_cpu_started(t)
# define sched_note_cpu_pause(t,c)
# define sched_note_cpu_paused(t)
# define sched_note_cpu_resume(t,c)
# define sched_note_cpu_resumed(t)
# define sched_note_premption(t,l)
# define sched_note_csection(t,e)
# define sched_note_spinlock(t,s)
# define sched_note_spinlocked(t,s)
# define sched_note_spinunlock(t,s)
# define sched_note_spinabort(t,s)
# define sched_note_syscall_enter(n,a...)
# define sched_note_syscall_leave(n,r)
# define sched_note_irqhandler(i,h,e)
# define sched_note_string(ip,b)
# define sched_note_dump(ip,e,b,l)
# define sched_note_vprintf(ip,f,v)
# define sched_note_vbprintf(ip,e,f,v)
# define sched_note_printf(ip,f...)
# define sched_note_bprintf(ip,e,f...)
# define sched_note_begin(ip,f...)
# define sched_note_end(ip,f...)
#endif /* CONFIG_SCHED_INSTRUMENTATION */
#endif /* __INCLUDE_NUTTX_SCHED_NOTE_H */
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