sched/sched/sched_note.c: Implement interrupt/syscall support
A previous PR added interrupt and system call scheduler notes. This addess buffering support for those notes.
This commit is contained in:
Gregory Nutt
Abdelatif Guettouche
parent
6a19f03756
commit
69e97c19ea
@ -99,7 +99,8 @@ enum note_type_e
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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,
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NOTE_IRQHANDLER = 20
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NOTE_IRQ_ENTER = 20,
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NOTE_IRQ_LEAVE = 21
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#endif
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};
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@ -239,7 +240,6 @@ struct note_syscall_enter_s
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{
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struct note_common_s nsc_cmn; /* Common note parameters */
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int nsc_nr; /* System call number */
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bool nsc_enter; /* true: Entering system call */
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};
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struct note_syscall_leave_s
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@ -247,18 +247,16 @@ struct note_syscall_leave_s
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struct note_common_s nsc_cmn; /* Common note parameters */
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uintptr_t nsc_result; /* Result of the system call */
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int nsc_nr; /* System call number */
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bool nsc_enter; /* false: Leaving system call */
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};
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#endif /* CONFIG_SCHED_INSTRUMENTATION_SYSCALL */
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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/* This is the specific form of the NOTE_IRQHANDLER note */
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/* This is the specific form of the NOTE_IRQ_ENTER/LEAVE notes */
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struct note_irqhandler_s
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{
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struct note_common_s nih_cmn; /* Common note parameters */
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int nih_irq; /* IRQ number */
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bool nih_enter; /* true: Entering handler */
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};
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#endif /* CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER */
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#endif /* CONFIG_SCHED_INSTRUMENTATION_BUFFER */
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@ -1026,7 +1026,7 @@ config SCHED_NOTE_BUFSIZE
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bytes).
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config SCHED_NOTE_GET
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bool "Callable interface to get instrumentatin data"
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bool "Callable interface to get instrumentation data"
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default n
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depends on !SCHED_INSTRUMENTATION_CSECTION && (!SCHED_INSTRUMENTATION_SPINLOCK || !SMP)
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---help---
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@ -1,35 +1,20 @@
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/****************************************************************************
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* sched/sched/sched_note.c
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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@ -53,10 +38,6 @@
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#ifdef CONFIG_SCHED_INSTRUMENTATION_BUFFER
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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@ -594,6 +575,59 @@ void sched_note_spinabort(FAR struct tcb_s *tcb, FAR volatile void *spinlock)
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}
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
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void sched_note_syscall_enter(int nr, int argc, ...)
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{
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struct note_syscall_enter_s note;
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FAR struct tcb_s *tcb = this_task();
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/* Format the note */
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note_common(tcb, ¬e.nsc_cmn, sizeof(struct note_syscall_enter_s),
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NOTE_CSECTION_ENTER);
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note.nsc_nr = nr;
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/* Add the note to circular buffer */
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note_add((FAR const uint8_t *)¬e, sizeof(struct note_syscall_enter_s));
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}
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void sched_note_syscall_leave(int nr, uintptr_t result)
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{
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struct note_syscall_leave_s note;
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FAR struct tcb_s *tcb = this_task();
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/* Format the note */
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note_common(tcb, ¬e.nsc_cmn, sizeof(struct note_syscall_leave_s),
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NOTE_CSECTION_LEAVE);
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note.nsc_result = result;
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note.nsc_nr = nr;
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/* Add the note to circular buffer */
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note_add((FAR const uint8_t *)¬e, sizeof(struct note_syscall_leave_s));
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}
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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void sched_note_irqhandler(int irq, FAR void *handler, bool enter)
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{
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struct note_irqhandler_s note;
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FAR struct tcb_s *tcb = this_task();
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/* Format the note */
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note_common(tcb, ¬e.nih_cmn, sizeof(struct note_irqhandler_s),
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enter ? NOTE_IRQ_ENTER : NOTE_IRQ_LEAVE);
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note.nih_irq = irq;
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/* Add the note to circular buffer */
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note_add((FAR const uint8_t *)¬e, sizeof(struct note_irqhandler_s));
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}
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#endif
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/****************************************************************************
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* Name: sched_note_get
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*
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