SIM: Add scheduler instrumentation
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Gregory Nutt
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9234eec334
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b4dae46fd7
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@ -73,6 +73,10 @@ ifeq ($(CONFIG_SMP),y)
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HOSTSRCS += up_simsmp.c
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endif
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ifeq ($(CONFIG_SCHED_INSTRUMENTATION),y)
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CSRCS += up_schednote.c
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endif
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ifeq ($(CONFIG_DEV_CONSOLE),y)
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CSRCS += up_uartwait.c
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HOSTSRCS += up_simuart.c
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@ -0,0 +1,137 @@
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/****************************************************************************
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* arch/sim/src/up_schednote.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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*
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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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*
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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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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <syslog.h>
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#include <nuttx/sched.h>
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#ifdef CONFIG_SCHED_INSTRUMENTATION
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: sched_note_start, sched_note_stop, sched_note_switch
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*
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* Description:
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* Create the pthread-specific data key and set the indication of CPU0
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* the the main thread.
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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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* An integer index in the range of 0 through (CONFIG_SMP_NCPUS-1) that
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* corresponds to the currently executing CPU.
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*
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****************************************************************************/
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void sched_note_start(FAR struct tcb_s *tcb)
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{
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#ifdef CONFIG_SMP
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#if CONFIG_TASK_NAME_SIZE > 0
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lowsyslog(LOG_INFO, "CPU%d: Start %s, TCB@%p, state=%d\n",
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tcb->cpu, tcb->name, tcb, tcb->task_state);
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#else
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lowsyslog(LOG_INFO, "CPU%d: Start TCB@%p, state=%d\n"
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tcb->cpu, tcb, tcb->task_state);
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#endif
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#else
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#if CONFIG_TASK_NAME_SIZE > 0
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lowsyslog(LOG_INFO, "Start %s, TCB@%p, state=%d\n",
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tcb->name, tcb, tcb->task_state);
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#else
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lowsyslog(LOG_INFO, "Start TCB@%p, state=%d\n",
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tcb, tcb->task_state);
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#endif
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#endif
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}
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void sched_note_stop(FAR struct tcb_s *tcb)
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{
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#ifdef CONFIG_SMP
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#if CONFIG_TASK_NAME_SIZE > 0
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lowsyslog(LOG_INFO, "CPU%d: Stop %s, TCB@%p, state=%d\n",
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tcb->cpu, tcb->name, tcb, tcb->task_state);
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#else
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lowsyslog(LOG_INFO, "CPU%d: Stop TCB@%p, state=%d\n",
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tcb->cpu, tcb, tcb->task_state);
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#endif
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#else
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#if CONFIG_TASK_NAME_SIZE > 0
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lowsyslog(LOG_INFO, "Stop %s, TCB@%p, state=%d\n",
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tcb->name, tcb, tcb->task_state);
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#else
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lowsyslog(LOG_INFO, "Stop TCB@%p, state=%d\n",
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tcb, tcb->task_state);
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#endif
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#endif
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}
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void sched_note_switch(FAR struct tcb_s *from, FAR struct tcb_s *to)
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{
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#ifdef CONFIG_SMP
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#if CONFIG_TASK_NAME_SIZE > 0
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lowsyslog(LOG_INFO, "CPU%d: Suspend %s, TCB@%p, state=%d\n",
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from->cpu, from->name, from, from->task_state);
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lowsyslog(LOG_INFO, "CPU%d: Resume %s, TCB@%p, state=%d\n",
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to->cpu, to->name, to, to->task_state);
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#else
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lowsyslog(LOG_INFO, "CPU%d: Stop TCB@%p, state=%d\n",
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from->cpu, from, from->task_state);
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lowsyslog(LOG_INFO, "CPU%d: Resume TCB@%p, state=%d\n",
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to->cpu, to, to->task_state);
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#endif
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#else
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#if CONFIG_TASK_NAME_SIZE > 0
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lowsyslog(LOG_INFO, "Stop %s, TCB@%p, state=%d\n",
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from->name, from, from->task_state);
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lowsyslog(LOG_INFO, "Resume %s, TCB@%p\, state=%dn",
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to->name, to, to->task_state);
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#else
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lowsyslog(LOG_INFO, "Stop TCB@%p, state=%d\n",
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from, from->task_state);
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lowsyslog(LOG_INFO, "Resume TCB@%p, state=%d\n",
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to, to->task_state);
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#endif
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#endif
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}
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#endif /* CONFIG_SCHED_INSTRUMENTATION */
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