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Add syscall and irqhandler hooks in sched_note.h

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This commit is contained in:
Yuuichi Nakamura 2020-06-16 07:57:49 -06:00 committed by Alan Carvalho de Assis
parent dde25b0f80
commit df2bc1e4c3
3 changed files with 50 additions and 0 deletions
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18
include/nuttx/sched_note.h
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@ -45,6 +45,7 @@
#include <sys/types.h> #include <sys/types.h>
#include <stdint.h> #include <stdint.h>
#include <stdbool.h> #include <stdbool.h>
#include <stdarg.h>
#include <nuttx/sched.h> #include <nuttx/sched.h>
@ -305,6 +306,20 @@ void sched_note_spinabort(FAR struct tcb_s *tcb, FAR volatile void *spinlock);
# define sched_note_spinabort(t,s) # define sched_note_spinabort(t,s)
#endif #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
/**************************************************************************** /****************************************************************************
* Name: sched_note_get * Name: sched_note_get
* *
@ -387,6 +402,9 @@ int note_register(void);
# define sched_note_spinlocked(t,s) # define sched_note_spinlocked(t,s)
# define sched_note_spinunlock(t,s) # define sched_note_spinunlock(t,s)
# define sched_note_spinabort(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)
#endif /* CONFIG_SCHED_INSTRUMENTATION */ #endif /* CONFIG_SCHED_INSTRUMENTATION */
#endif /* __INCLUDE_NUTTX_SCHED_NOTE_H */ #endif /* __INCLUDE_NUTTX_SCHED_NOTE_H */

19
sched/Kconfig
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@ -972,6 +972,25 @@ config SCHED_INSTRUMENTATION_SPINLOCKS
void sched_note_spinunlock(FAR struct tcb_s *tcb, bool state); void sched_note_spinunlock(FAR struct tcb_s *tcb, bool state);
void sched_note_spinabort(FAR struct tcb_s *tcb, bool state); void sched_note_spinabort(FAR struct tcb_s *tcb, bool state);
config SCHED_INSTRUMENTATION_SYSCALL
bool "System call monitor hooks"
default n
---help---
Enables additional hooks for entry and exit from system call.
Board-specific logic must provide this additional logic.
void sched_note_syscall_enter(int nr, int argc, ...);
void sched_note_syscall_leave(int nr, uintptr_t result);
config SCHED_INSTRUMENTATION_IRQHANDLER
bool "Interrupt handler monitor hooks"
default n
---help---
Enables additional hooks for interrupt handler. Board-specific logic
must provide this additional logic.
void sched_note_irqhandler(int irq, FAR void *handler, bool enter);
config SCHED_INSTRUMENTATION_BUFFER config SCHED_INSTRUMENTATION_BUFFER
bool "Buffer instrumentation data in memory" bool "Buffer instrumentation data in memory"
default n default n

13
sched/irq/irq_dispatch.c
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@ -43,6 +43,7 @@
#include <nuttx/arch.h> #include <nuttx/arch.h>
#include <nuttx/irq.h> #include <nuttx/irq.h>
#include <nuttx/random.h> #include <nuttx/random.h>
#include <nuttx/sched_note.h>
#include "irq/irq.h" #include "irq/irq.h"
#include "clock/clock.h" #include "clock/clock.h"
@ -171,11 +172,23 @@ void irq_dispatch(int irq, FAR void *context)
add_irq_randomness(irq); add_irq_randomness(irq);
#endif #endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
/* Notify that we are entering into the interrupt handler */
sched_note_irqhandler(irq, vector, true);
#endif
/* Then dispatch to the interrupt handler */ /* Then dispatch to the interrupt handler */
CALL_VECTOR(ndx, vector, irq, context, arg); CALL_VECTOR(ndx, vector, irq, context, arg);
UNUSED(ndx); UNUSED(ndx);
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
/* Notify that we are leaving from the interrupt handler */
sched_note_irqhandler(irq, vector, false);
#endif
/* Record the new "running" task. g_running_tasks[] is only used by /* Record the new "running" task. g_running_tasks[] is only used by
* assertion logic for reporting crashes. * assertion logic for reporting crashes.
*/ */