zephyr/subsys/tracing/tracing_backend_posix.c

67 lines
1.4 KiB
C

/*
* Copyright (c) 2018 Oticon A/S
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc.h>
#include <stdio.h>
#include <zephyr/kernel.h>
#include <cmdline.h>
#include <zephyr/sys/__assert.h>
#include <tracing_backend.h>
static void *out_stream;
static const char *file_name;
static void tracing_backend_posix_init(void)
{
if (file_name == NULL) {
file_name = "channel0_0";
}
out_stream = (void *)fopen(file_name, "wb");
__ASSERT(out_stream != NULL, "posix backend init failed");
}
static void tracing_backend_posix_output(
const struct tracing_backend *backend,
uint8_t *data, uint32_t length)
{
fwrite(data, length, 1, (FILE *)out_stream);
if (!k_is_in_isr()) {
fflush((FILE *)out_stream);
}
}
const struct tracing_backend_api tracing_backend_posix_api = {
.init = tracing_backend_posix_init,
.output = tracing_backend_posix_output
};
TRACING_BACKEND_DEFINE(tracing_backend_posix, tracing_backend_posix_api);
void tracing_backend_posix_option(void)
{
static struct args_struct_t tracing_backend_option[] = {
{
.manual = false,
.is_mandatory = false,
.is_switch = false,
.option = "trace-file",
.name = "file_name",
.type = 's',
.dest = (void *)&file_name,
.call_when_found = NULL,
.descript = "File name for tracing output.",
},
ARG_TABLE_ENDMARKER
};
native_add_command_line_opts(tracing_backend_option);
}
NATIVE_TASK(tracing_backend_posix_option, PRE_BOOT_1, 1);