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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2010-02-10 Bernard first version
* 2020-04-12 Jianjia Ma add msh cmd
*/
#include <rtthread.h>
#include <dfs_file.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/statfs.h>
void readspeed(const char* filename, int block_size)
{
int fd;
char *buff_ptr;
rt_size_t total_length;
rt_tick_t tick;
fd = open(filename, 0, O_RDONLY);
if (fd < 0)
{
rt_kprintf("open file:%s failed\n", filename);
return;
}
buff_ptr = rt_malloc(block_size);
if (buff_ptr == RT_NULL)
{
rt_kprintf("no memory\n");
close(fd);
return;
}
tick = rt_tick_get();
total_length = 0;
while (1)
{
int length;
length = read(fd, buff_ptr, block_size);
if (length <= 0) break;
total_length += length;
}
tick = rt_tick_get() - tick;
/* close file and release memory */
close(fd);
rt_free(buff_ptr);
/* calculate read speed */
rt_kprintf("File read speed: %d byte/s\n", total_length /tick * RT_TICK_PER_SECOND);
}
#ifdef RT_USING_FINSH
#include <finsh.h>
static void cmd_readspeed(int argc, char *argv[])
{
char* filename;
int block_size;
if(argc == 3)
{
filename = argv[1];
block_size = atoi(argv[2]);
}
else if(argc == 2)
{
filename = argv[1];
block_size = 512;
}
else
{
rt_kprintf("Usage:\nreadspeed [file_path] [block_size]\n");
rt_kprintf("readspeed [file_path] with default block size 512\n");
return;
}
readspeed(filename, block_size);
}
MSH_CMD_EXPORT_ALIAS(cmd_readspeed, readspeed, test file system read speed);
#endif /* RT_USING_FINSH */
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