nuttx/sched/instrument/instrument.c
anjiahao d932e0af2a sched/procfs:use instrument to statistics run time max stack
Usage:
1. CONFIG_FS_PROCFS_MAX_STACK_RECORD > 0, such as 32,
2. add '-finstrument-functions' to CFLAGS for What you want to check
   stack.
3. mount porcfs
4. cat /proc/<pid>/stack will print backtace & size

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
2023-12-11 02:06:51 -08:00

59 lines
2.1 KiB
C

/****************************************************************************
* sched/instrument/instrument.c
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/instrument.h>
/****************************************************************************
* External Definitions
****************************************************************************/
#if CONFIG_SCHED_STACK_RECORD > 0
extern struct instrument_s g_stack_record;
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: instrument_initialize
*
* Description:
* This function is called to initialize all the instrument functions
*
* Input Parameters:
* None
*
* Returned Value:
* Does not return.
*
****************************************************************************/
void instrument_initialize(void)
{
#if CONFIG_SCHED_STACK_RECORD > 0
instrument_register(&g_stack_record);
#endif
}