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