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sched note: printf API example

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test API:
void sched_note_string(FAR const char *buf);
void sched_note_dump(uint32_t module, uint8_t event,
                     FAR const void *buf, size_t len);
void sched_note_printf(FAR const char *fmt, ...) printflike(1, 2);
void sched_note_bprintf(uint32_t module, uint8_t event,
                        FAR const char *fmt, ...) printflike(3, 4);
https://github.com/apache/incubator-nuttx/pull/4963

suggestion:
1. add "&" after the command when running this example.
2. must enable SCHED_INSTRUMENTATION_DUMP, and that enable CONFIG_SYSTEM_TRACE can help you view log.
This commit is contained in:
zhanghu6 2021-12-01 11:06:05 +08:00 committed by Xiang Xiao
parent 2aadb22301
commit 2bd3a1701c
4 changed files with 190 additions and 0 deletions
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30
examples/noteprintf/Kconfig Normal file
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#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
config EXAMPLES_NOTEPRINTF
tristate "\"Note printf!\" example"
default n
depends on SCHED_INSTRUMENTATION_DUMP
---help---
Enable the \"Note printf!\" example
if EXAMPLES_NOTEPRINTF
config EXAMPLES_NOTEPRINTF_PROGNAME
string "Program name"
default "noteprintf"
---help---
This is the name of the program that will be used when the NSH ELF
program is installed.
config EXAMPLES_NOTEPRINTF_PRIORITY
int "Note printf task priority"
default 100
config EXAMPLES_NOTEPRINTF_STACKSIZE
int "Note printf stack size"
default DEFAULT_TASK_STACKSIZE
endif

23
examples/noteprintf/Make.defs Normal file
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############################################################################
# apps/examples/noteprintf/Make.defs
#
# 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.
#
############################################################################
ifneq ($(CONFIG_EXAMPLES_NOTEPRINTF),)
CONFIGURED_APPS += $(APPDIR)/examples/noteprintf
endif

30
examples/noteprintf/Makefile Normal file
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############################################################################
# apps/examples/noteprintf/Make.defs
#
# 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.
#
############################################################################
include $(APPDIR)/Make.defs
PROGNAME = $(CONFIG_EXAMPLES_NOTEPRINTF_PROGNAME)
PRIORITY = $(CONFIG_EXAMPLES_NOTEPRINTF_PRIORITY)
STACKSIZE = $(CONFIG_EXAMPLES_NOTEPRINTF_STACKSIZE)
MODULE = $(CONFIG_EXAMPLES_NOTEPRINTF)
MAINSRC = noteprintf_main.c
include $(APPDIR)/Application.mk

107
examples/noteprintf/noteprintf_main.c Normal file
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/****************************************************************************
* apps/examples/noteprintf/noteprintf_main.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/config.h>
#include <stdio.h>
#include "nuttx/sched_note.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define MAIN_MODULE NOTE_MODULE('m', 'a', 'i', 'n')
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* noteprintf_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
struct binary
{
uint8_t val1;
uint8_t val2;
} binary =
{
.val1 = 0x01,
.val2 = 0x02
};
char *str = "shced note test";
int count = 0;
char c = 1;
short s = 2;
int i = 3;
long l = 4;
#ifdef CONFIG_LIBC_LONG_LONG
long long ll = 5;
#endif
intmax_t im = 6;
size_t sz = 7;
ptrdiff_t ptr = 8;
#ifdef CONFIG_HAVE_FLOAT
float f = 0.1;
#endif
#ifdef CONFIG_HAVE_DOUBLE
double d = 0.2;
#endif
#ifdef CONFIG_HAVE_LONG_DOUBLE
long double ld = 0.3;
#endif
while (1)
{
sched_note_printf("shced note test count = %d.", count++);
sched_note_string(str);
sched_note_dump(MAIN_MODULE, 1, &binary, sizeof(struct binary));
sched_note_bprintf(MAIN_MODULE, 2, "%hhd", c);
sched_note_bprintf(MAIN_MODULE, 3, "%hd", s);
sched_note_bprintf(MAIN_MODULE, 4, "%d", i);
sched_note_bprintf(MAIN_MODULE, 5, "%ld", l);
sched_note_bprintf(MAIN_MODULE, 6, "%lld", ll);
sched_note_bprintf(MAIN_MODULE, 7, "%jd", im);
sched_note_bprintf(MAIN_MODULE, 8, "%zd", sz);
sched_note_bprintf(MAIN_MODULE, 9, "%td", ptr);
#ifdef CONFIG_HAVE_FLOAT
sched_note_bprintf(MAIN_MODULE, 10, "%e", f);
#endif
#ifdef CONFIG_HAVE_DOUBLE
sched_note_bprintf(MAIN_MODULE, 11, "%le", d);
#endif
#ifdef CONFIG_HAVE_LONG_DOUBLE
sched_note_bprintf(MAIN_MODULE, 12, "%Le", ld);
#endif
sched_note_bprintf(MAIN_MODULE, 13,
"%hhd %hd %d %ld %lld %jd %zd %td",
c, s, i, l, ll, im, sz, ptr);
usleep(10);
}
return 0;
}