Add note filter functions
This commit is contained in:
Nakamura, Yuuichi
Xiang Xiao
parent
32b0562375
commit
6b54377476
@ -34,6 +34,18 @@
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#include <nuttx/sched.h>
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/* For system call numbers definition */
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
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#ifdef CONFIG_LIB_SYSCALL
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#include <syscall.h>
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#else
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#define CONFIG_LIB_SYSCALL
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#include <syscall.h>
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#undef CONFIG_LIB_SYSCALL
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#endif
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION
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/****************************************************************************
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@ -48,6 +60,42 @@
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# define CONFIG_SCHED_INSTRUMENTATION_CPUSET 0xffff
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#endif
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/* Note filter mode flag definitions */
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#define NOTE_FILTER_MODE_FLAG_ENABLE (1 << 0) /* Enable instrumentation */
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
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#define NOTE_FILTER_MODE_FLAG_SYSCALL (1 << 1) /* Enable syscall instrumentation */
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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#define NOTE_FILTER_MODE_FLAG_IRQ (1 << 2) /* Enable IRQ instrumentaiton */
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#endif
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/* Helper macros for syscall instrumentation filter */
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
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#define NOTE_FILTER_SYSCALLMASK_SET(nr, s) \
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((s)->syscall_mask[(nr) / 8] |= (1 << ((nr) % 8)))
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#define NOTE_FILTER_SYSCALLMASK_CLR(nr, s) \
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((s)->syscall_mask[(nr) / 8] &= ~(1 << ((nr) % 8)))
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#define NOTE_FILTER_SYSCALLMASK_ISSET(nr, s) \
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((s)->syscall_mask[(nr) / 8] & (1 << ((nr) % 8)))
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#define NOTE_FILTER_SYSCALLMASK_ZERO(s) \
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memset((s), 0, sizeof(struct note_filter_syscall_s))
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#endif
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/* Helper macros for IRQ instrumentation filter */
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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#define NOTE_FILTER_IRQMASK_SET(nr, s) \
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((s)->irq_mask[(nr) / 8] |= (1 << ((nr) % 8)))
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#define NOTE_FILTER_IRQMASK_CLR(nr, s) \
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((s)->irq_mask[(nr) / 8] &= ~(1 << ((nr) % 8)))
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#define NOTE_FILTER_IRQMASK_ISSET(nr, s) \
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((s)->irq_mask[(nr) / 8] & (1 << ((nr) % 8)))
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#define NOTE_FILTER_IRQMASK_ZERO(s) \
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memset((s), 0, sizeof(struct note_filter_irq_s))
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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@ -254,6 +302,44 @@ struct note_irqhandler_s
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};
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#endif /* CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER */
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#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
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/* This is the type of the argument passed to the NOTECTL_GETMODE and
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* NOTECTL_SETMODE ioctls
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*/
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struct note_filter_mode_s
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{
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unsigned int flag; /* Filter mode flag */
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#ifdef CONFIG_SMP
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unsigned int cpuset; /* The set of monitored CPUs */
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#endif
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};
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/* This is the type of the argument passed to the NOTECTL_GETSYSCALLFILTER
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* and NOTECTL_SETSYSCALLFILTER ioctls
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*/
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
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struct note_filter_syscall_s
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{
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uint8_t syscall_mask[(SYS_nsyscalls + 7) / 8];
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};
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#endif
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/* This is the type of the argument passed to the NOTECTL_GETIRQFILTER and
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* NOTECTL_SETIRQFILTER ioctls
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*/
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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struct note_filter_irq_s
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{
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uint8_t irq_mask[(NR_IRQS + 7) / 8];
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};
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#endif
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#endif /* CONFIG_SCHED_INSTRUMENTATION_FILTER */
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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@ -337,6 +423,8 @@ void sched_note_irqhandler(int irq, FAR void *handler, bool enter);
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# define sched_note_irqhandler(i,h,e)
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#endif
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#if defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT)
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/****************************************************************************
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* Name: sched_note_add
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*
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@ -357,6 +445,85 @@ void sched_note_irqhandler(int irq, FAR void *handler, bool enter);
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void sched_note_add(FAR const void *note, size_t notelen);
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/****************************************************************************
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* Name: sched_note_filter_mode
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*
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* Description:
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* Set and get note filter mode.
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* (Same as NOTECTL_GETMODE / NOTECTL_SETMODE ioctls)
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*
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* Input Parameters:
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* oldm - A writable pointer to struct note_filter_mode_s to get current
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* filter mode
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* If 0, no data is written.
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* newm - A read-only pointer to struct note_filter_mode_s which holds the
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* new filter mode
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* If 0, the filter mode is not updated.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
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void sched_note_filter_mode(struct note_filter_mode_s *oldm,
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struct note_filter_mode_s *newm);
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#endif
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/****************************************************************************
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* Name: sched_note_filter_syscall
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*
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* Description:
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* Set and get syscall filter setting
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* (Same as NOTECTL_GETSYSCALLFILTER / NOTECTL_SETSYSCALLFILTER ioctls)
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*
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* Input Parameters:
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* oldf - A writable pointer to struct note_filter_syscall_s to get
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* current syscall filter setting
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* If 0, no data is written.
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* newf - A read-only pointer to struct note_filter_syscall_s of the
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* new syscall filter setting
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* If 0, the setting is not updated.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#if defined(CONFIG_SCHED_INSTRUMENTATION_FILTER) && \
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defined(CONFIG_SCHED_INSTRUMENTATION_SYSCALL)
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void sched_note_filter_syscall(struct note_filter_syscall_s *oldf,
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struct note_filter_syscall_s *newf);
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#endif
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/****************************************************************************
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* Name: sched_note_filter_irq
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*
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* Description:
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* Set and get IRQ filter setting
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* (Same as NOTECTL_GETIRQFILTER / NOTECTL_SETIRQFILTER ioctls)
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*
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* Input Parameters:
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* oldf - A writable pointer to struct note_filter_irq_s to get
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* current IRQ filter setting
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* If 0, no data is written.
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* newf - A read-only pointer to struct note_filter_irq_s of the new
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* IRQ filter setting
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* If 0, the setting is not updated.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#if defined(CONFIG_SCHED_INSTRUMENTATION_FILTER) && \
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defined(CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER)
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void sched_note_filter_irq(struct note_filter_irq_s *oldf,
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struct note_filter_irq_s *newf);
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#endif
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#endif /* defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT) */
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#else /* CONFIG_SCHED_INSTRUMENTATION */
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# define sched_note_start(t)
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@ -934,7 +934,7 @@ config SCHED_INSTRUMENTATION_EXTERNAL
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config SCHED_INSTRUMENTATION_CPUSET
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hex "CPU bit set"
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default 0xffff
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depends on SMP
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depends on SMP && SCHED_INSTRUMENTATION_FILTER
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---help---
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Monitor only CPUs in the bitset. Bit 0=CPU0, Bit1=CPU1, etc.
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@ -990,6 +990,16 @@ config SCHED_INSTRUMENTATION_IRQHANDLER
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void sched_note_irqhandler(int irq, FAR void *handler, bool enter);
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config SCHED_INSTRUMENTATION_FILTER
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bool "Instrumenation filter"
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default n
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---help---
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Enables the filter logic for the instrumentation. If this option
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is enabled, the instrumentation data passed to sched_note_add()
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can be filtered by syscall and IRQ number.
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The filter logic can be configured by sched_note_filter APIs defined in
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include/nuttx/sched_note.h.
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endif # SCHED_INSTRUMENTATION
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endmenu # Performance Monitoring
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@ -29,6 +29,7 @@
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#include <assert.h>
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#include <errno.h>
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#include <nuttx/irq.h>
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#include <nuttx/sched.h>
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#include <nuttx/clock.h>
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#include <nuttx/spinlock.h>
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@ -40,6 +41,19 @@
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* Private Types
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****************************************************************************/
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#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
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struct note_filter_s
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{
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struct note_filter_mode_s mode;
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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struct note_filter_irq_s irq_mask;
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
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struct note_filter_syscall_s syscall_mask;
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#endif
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};
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#endif
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struct note_startalloc_s
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{
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struct note_common_s nsa_cmn; /* Common note parameters */
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@ -54,6 +68,25 @@ struct note_startalloc_s
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# define SIZEOF_NOTE_START(n) (sizeof(struct note_start_s))
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
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static struct note_filter_s g_note_filter =
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{
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#ifdef CONFIG_SMP
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.mode.cpuset = CONFIG_SCHED_INSTRUMENTATION_CPUSET
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#endif
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};
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#ifdef CONFIG_SMP
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static unsigned int g_note_disabled_irq_nest[CONFIG_SMP_NCPUS];
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#else
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static unsigned int g_note_disabled_irq_nest[1];
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#endif
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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@ -100,6 +133,158 @@ static void note_common(FAR struct tcb_s *tcb,
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note->nc_systime[3] = (uint8_t)((systime >> 24) & 0xff);
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}
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/****************************************************************************
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* Name: note_isenabled
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*
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* Description:
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* Check whether the instrumentation is enabled.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* True is returned if the instrumentation is enabled.
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*
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****************************************************************************/
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static inline int note_isenabled(void)
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{
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#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
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if (!(g_note_filter.mode.flag & NOTE_FILTER_MODE_FLAG_ENABLE))
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{
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return false;
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}
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#ifdef CONFIG_SMP
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/* Ignore notes that are not in the set of monitored CPUs */
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if ((g_note_filter.mode.cpuset & (1 << this_cpu())) == 0)
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{
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/* Not in the set of monitored CPUs. Do not log the note. */
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return false;
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}
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#endif
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#endif
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return true;
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}
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/****************************************************************************
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* Name: note_isenabled_syscall
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*
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* Description:
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* Check whether the syscall instrumentation is enabled.
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*
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* Input Parameters:
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* nr - syscall number
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*
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* Returned Value:
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* True is returned if the instrumentation is enabled.
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*
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****************************************************************************/
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
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static inline int note_isenabled_syscall(int nr)
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{
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#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
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if (!note_isenabled())
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{
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return false;
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}
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/* Exclude the case of syscall called by the interrupt handler which is
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* not traced.
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*/
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if (up_interrupt_context())
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{
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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#ifdef CONFIG_SMP
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int cpu = this_cpu();
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#else
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int cpu = 0;
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#endif
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if (g_note_disabled_irq_nest[cpu] > 0)
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{
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return false;
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}
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#else
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return false;
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#endif
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}
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/* If the syscall trace is disabled or the syscall number is masked,
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* do nothing.
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*/
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if (!(g_note_filter.mode.flag & NOTE_FILTER_MODE_FLAG_SYSCALL) ||
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NOTE_FILTER_SYSCALLMASK_ISSET(nr - CONFIG_SYS_RESERVED,
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&g_note_filter.syscall_mask))
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{
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return false;
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}
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#endif
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return true;
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}
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#endif
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/****************************************************************************
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* Name: note_isenabled_irqhandler
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*
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* Description:
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* Check whether the interrupt handler instrumentation is enabled.
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*
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* Input Parameters:
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* irq - IRQ number
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* enter - interrupt enter/leave flag
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*
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* Returned Value:
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* True is returned if the instrumentation is enabled.
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*
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****************************************************************************/
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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static inline int note_isenabled_irq(int irq, bool enter)
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{
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#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
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if (!note_isenabled())
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{
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return false;
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}
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/* If the IRQ trace is disabled or the IRQ number is masked, disable
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* subsequent syscall traces until leaving the interrupt handler
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*/
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if (!(g_note_filter.mode.flag & NOTE_FILTER_MODE_FLAG_IRQ) ||
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NOTE_FILTER_IRQMASK_ISSET(irq, &g_note_filter.irq_mask))
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{
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#ifdef CONFIG_SMP
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int cpu = this_cpu();
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#else
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int cpu = 0;
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#endif
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if (enter)
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{
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g_note_disabled_irq_nest[cpu]++;
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}
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else
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{
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g_note_disabled_irq_nest[cpu]--;
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}
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return false;
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}
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#endif
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return true;
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}
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#endif
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/****************************************************************************
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* Name: note_spincommon
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*
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@ -122,16 +307,10 @@ static void note_spincommon(FAR struct tcb_s *tcb,
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{
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struct note_spinlock_s note;
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#ifdef CONFIG_SMP
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/* Ignore notes that are not in the set of monitored CPUs */
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if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
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if (!note_isenabled())
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{
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/* Not in the set of monitored CPUs. Do not log the note. */
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return;
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}
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#endif
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/* Format the note */
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@ -176,16 +355,10 @@ void sched_note_start(FAR struct tcb_s *tcb)
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int namelen;
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#endif
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#ifdef CONFIG_SMP
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/* Ignore notes that are not in the set of monitored CPUs */
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if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
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if (!note_isenabled())
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{
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/* Not in the set of monitored CPUs. Do not log the note. */
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return;
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}
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#endif
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/* Copy the task name (if possible) and get the length of the note */
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@ -213,16 +386,10 @@ void sched_note_stop(FAR struct tcb_s *tcb)
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{
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struct note_stop_s note;
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#ifdef CONFIG_SMP
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/* Ignore notes that are not in the set of monitored CPUs */
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if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
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if (!note_isenabled())
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{
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/* Not in the set of monitored CPUs. Do not log the note. */
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return;
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}
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#endif
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/* Format the note */
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@ -237,16 +404,10 @@ void sched_note_suspend(FAR struct tcb_s *tcb)
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{
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struct note_suspend_s note;
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#ifdef CONFIG_SMP
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/* Ignore notes that are not in the set of monitored CPUs */
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if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
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if (!note_isenabled())
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{
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/* Not in the set of monitored CPUs. Do not log the note. */
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return;
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}
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#endif
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/* Format the note */
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@ -263,16 +424,10 @@ void sched_note_resume(FAR struct tcb_s *tcb)
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{
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struct note_resume_s note;
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#ifdef CONFIG_SMP
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/* Ignore notes that are not in the set of monitored CPUs */
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|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -288,16 +443,10 @@ void sched_note_cpu_start(FAR struct tcb_s *tcb, int cpu)
|
||||
{
|
||||
struct note_cpu_start_s note;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -314,16 +463,10 @@ void sched_note_cpu_started(FAR struct tcb_s *tcb)
|
||||
{
|
||||
struct note_cpu_started_s note;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -339,16 +482,10 @@ void sched_note_cpu_pause(FAR struct tcb_s *tcb, int cpu)
|
||||
{
|
||||
struct note_cpu_pause_s note;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -365,16 +502,10 @@ void sched_note_cpu_paused(FAR struct tcb_s *tcb)
|
||||
{
|
||||
struct note_cpu_paused_s note;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -390,16 +521,10 @@ void sched_note_cpu_resume(FAR struct tcb_s *tcb, int cpu)
|
||||
{
|
||||
struct note_cpu_resume_s note;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -416,16 +541,10 @@ void sched_note_cpu_resumed(FAR struct tcb_s *tcb)
|
||||
{
|
||||
struct note_cpu_resumed_s note;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -443,16 +562,10 @@ void sched_note_premption(FAR struct tcb_s *tcb, bool locked)
|
||||
{
|
||||
struct note_preempt_s note;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -472,16 +585,10 @@ void sched_note_csection(FAR struct tcb_s *tcb, bool enter)
|
||||
{
|
||||
struct note_csection_s note;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled())
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -528,16 +635,10 @@ void sched_note_syscall_enter(int nr, int argc, ...)
|
||||
struct note_syscall_enter_s note;
|
||||
FAR struct tcb_s *tcb = this_task();
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled_syscall(nr))
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -556,16 +657,10 @@ void sched_note_syscall_leave(int nr, uintptr_t result)
|
||||
struct note_syscall_leave_s note;
|
||||
FAR struct tcb_s *tcb = this_task();
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled_syscall(nr))
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -587,16 +682,10 @@ void sched_note_irqhandler(int irq, FAR void *handler, bool enter)
|
||||
struct note_irqhandler_s note;
|
||||
FAR struct tcb_s *tcb = this_task();
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
/* Ignore notes that are not in the set of monitored CPUs */
|
||||
|
||||
if ((CONFIG_SCHED_INSTRUMENTATION_CPUSET & (1 << this_cpu())) == 0)
|
||||
if (!note_isenabled_irq(irq, enter))
|
||||
{
|
||||
/* Not in the set of monitored CPUs. Do not log the note. */
|
||||
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Format the note */
|
||||
|
||||
@ -611,3 +700,139 @@ void sched_note_irqhandler(int irq, FAR void *handler, bool enter)
|
||||
sizeof(struct note_irqhandler_s));
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_SCHED_INSTRUMENTATION_FILTER
|
||||
|
||||
/****************************************************************************
|
||||
* 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
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void sched_note_filter_mode(struct note_filter_mode_s *oldm,
|
||||
struct note_filter_mode_s *newm)
|
||||
{
|
||||
irqstate_t irq_mask;
|
||||
|
||||
irq_mask = enter_critical_section();
|
||||
|
||||
if (oldm != NULL)
|
||||
{
|
||||
*oldm = g_note_filter.mode;
|
||||
}
|
||||
|
||||
if (newm != NULL)
|
||||
{
|
||||
g_note_filter.mode = *newm;
|
||||
}
|
||||
|
||||
leave_critical_section(irq_mask);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* 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
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
|
||||
void sched_note_filter_syscall(struct note_filter_syscall_s *oldf,
|
||||
struct note_filter_syscall_s *newf)
|
||||
{
|
||||
irqstate_t irq_mask;
|
||||
|
||||
irq_mask = enter_critical_section();
|
||||
|
||||
if (oldf != NULL)
|
||||
{
|
||||
/* Return the current filter setting */
|
||||
|
||||
*oldf = g_note_filter.syscall_mask;
|
||||
}
|
||||
|
||||
if (newf != NULL)
|
||||
{
|
||||
/* Replace the syscall filter mask by the provided setting */
|
||||
|
||||
g_note_filter.syscall_mask = *newf;
|
||||
}
|
||||
|
||||
leave_critical_section(irq_mask);
|
||||
}
|
||||
#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
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
|
||||
void sched_note_filter_irq(struct note_filter_irq_s *oldf,
|
||||
struct note_filter_irq_s *newf)
|
||||
{
|
||||
irqstate_t irq_mask;
|
||||
|
||||
irq_mask = enter_critical_section();
|
||||
|
||||
if (oldf != NULL)
|
||||
{
|
||||
/* Return the current filter setting */
|
||||
|
||||
*oldf = g_note_filter.irq_mask;
|
||||
}
|
||||
|
||||
if (newf != NULL)
|
||||
{
|
||||
/* Replace the syscall filter mask by the provided setting */
|
||||
|
||||
g_note_filter.irq_mask = *newf;
|
||||
}
|
||||
|
||||
leave_critical_section(irq_mask);
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_SCHED_INSTRUMENTATION_FILTER */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user