rt-thread-official/examples/test/fs_test.c

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/*
* File : fs_test.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2011, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE.
*
* Change Logs:
* Date Author Notes
* 2011-01-02 aozima the first version.
* 2011-03-17 aozima fix some bug.
* 2011-03-18 aozima to dynamic thread.
*/
#include <rtthread.h>
#include <dfs_posix.h>
static rt_uint32_t stop_flag = 0;
static rt_thread_t fsrw1_thread = RT_NULL;
static rt_thread_t fsrw2_thread = RT_NULL;
#define fsrw1_fn "/test1.dat"
#define fsrw1_data_len 120 /* Less than 256 */
static void fsrw1_thread_entry(void* parameter)
{
int fd;
int index,length;
rt_uint32_t round;
rt_uint32_t tick_start,tick_end,read_speed,write_speed;
static rt_uint8_t write_data1[fsrw1_data_len];
static rt_uint8_t read_data1[fsrw1_data_len];
round = 1;
while(1)
{
if( stop_flag )
{
rt_kprintf("thread fsrw2 error,thread fsrw1 quit!\r\n");
fsrw1_thread = RT_NULL;
stop_flag = 0;
return;
}
/* creat file */
fd = open(fsrw1_fn, O_WRONLY | O_CREAT | O_TRUNC, 0);
if (fd < 0)
{
rt_kprintf("fsrw1 open file for write failed\n");
stop_flag = 1;
fsrw1_thread = RT_NULL;
return;
}
/* plan write data */
for (index = 0; index < fsrw1_data_len; index ++)
{
write_data1[index] = index;
}
/* write 8000 times */
tick_start = rt_tick_get();
for(index=0; index<8000; index++)
{
length = write(fd, write_data1, fsrw1_data_len);
if (length != fsrw1_data_len)
{
rt_kprintf("fsrw1 write data failed\n");
close(fd);
fsrw1_thread = RT_NULL;
stop_flag = 1;
return;
}
}
tick_end = rt_tick_get();
write_speed = fsrw1_data_len*8000UL*RT_TICK_PER_SECOND/(tick_end-tick_start);
/* close file */
close(fd);
/* open file read only */
fd = open(fsrw1_fn, O_RDONLY, 0);
if (fd < 0)
{
rt_kprintf("fsrw1 open file for read failed\n");
stop_flag = 1;
fsrw1_thread = RT_NULL;
return;
}
/* verify data */
tick_start = rt_tick_get();
for(index=0; index<8000; index++)
{
rt_uint32_t i;
length = read(fd, read_data1, fsrw1_data_len);
if (length != fsrw1_data_len)
{
rt_kprintf("fsrw1 read file failed\r\n");
close(fd);
stop_flag = 1;
fsrw1_thread = RT_NULL;
return;
}
for(i=0; i<fsrw1_data_len; i++)
{
if( read_data1[i] != write_data1[i] )
{
rt_kprintf("fsrw1 data error!\r\n");
close(fd);
stop_flag = 1;
fsrw1_thread = RT_NULL;
return;
}
}
}
tick_end = rt_tick_get();
read_speed = fsrw1_data_len*8000UL*RT_TICK_PER_SECOND/(tick_end-tick_start);
rt_kprintf("thread fsrw1 round %d ",round++);
rt_kprintf("rd:%dbyte/s,wr:%dbyte/s\r\n",read_speed,write_speed);
/* close file */
close(fd);
}
}
#define fsrw2_fn "/test2.dat"
#define fsrw2_data_len 180 /* Less than 256 */
static void fsrw2_thread_entry(void* parameter)
{
int fd;
int index,length;
rt_uint32_t round;
rt_uint32_t tick_start,tick_end,read_speed,write_speed;
static rt_uint8_t write_data2[fsrw2_data_len];
static rt_uint8_t read_data2[fsrw2_data_len];
round = 1;
while(1)
{
if( stop_flag )
{
rt_kprintf("thread fsrw1 error,thread fsrw2 quit!\r\n");
fsrw2_thread = RT_NULL;
stop_flag = 0;
return;
}
/* creat file */
fd = open(fsrw2_fn, O_WRONLY | O_CREAT | O_TRUNC, 0);
if (fd < 0)
{
rt_kprintf("fsrw2 open file for write failed\n");
stop_flag = 1;
fsrw2_thread = RT_NULL;
return;
}
/* plan write data */
for (index = 0; index < fsrw2_data_len; index ++)
{
write_data2[index] = index;
}
/* write 5000 times */
tick_start = rt_tick_get();
for(index=0; index<5000; index++)
{
length = write(fd, write_data2, fsrw2_data_len);
if (length != fsrw2_data_len)
{
rt_kprintf("fsrw2 write data failed\n");
close(fd);
stop_flag = 1;
fsrw2_thread = RT_NULL;
return;
}
}
tick_end = rt_tick_get();
write_speed = fsrw2_data_len*5000UL*RT_TICK_PER_SECOND/(tick_end-tick_start);
/* close file */
close(fd);
/* open file read only */
fd = open(fsrw2_fn, O_RDONLY, 0);
if (fd < 0)
{
rt_kprintf("fsrw2 open file for read failed\n");
stop_flag = 1;
fsrw2_thread = RT_NULL;
return;
}
/* verify data */
tick_start = rt_tick_get();
for(index=0; index<5000; index++)
{
rt_uint32_t i;
length = read(fd, read_data2, fsrw2_data_len);
if (length != fsrw2_data_len)
{
rt_kprintf("fsrw2 read file failed\r\n");
close(fd);
stop_flag = 1;
fsrw2_thread = RT_NULL;
return;
}
for(i=0; i<fsrw2_data_len; i++)
{
if( read_data2[i] != write_data2[i] )
{
rt_kprintf("fsrw2 data error!\r\n");
close(fd);
stop_flag = 1;
fsrw2_thread = RT_NULL;
return;
}
}
}
tick_end = rt_tick_get();
read_speed = fsrw2_data_len*5000UL*RT_TICK_PER_SECOND/(tick_end-tick_start);
rt_kprintf("thread fsrw2 round %d ",round++);
rt_kprintf("rd:%dbyte/s,wr:%dbyte/s\r\n",read_speed,write_speed);
/* close file */
close(fd);
}
}
/** \brief startup filesystem read/write test(multi thread).
*
* \param arg rt_uint32_t [0]startup thread1,[1]startup thread2.
* \return void
*
*/
void fs_test(rt_uint32_t arg)
{
rt_kprintf("arg is : 0x%02X ",arg);
if(arg & 0x01)
{
if( fsrw1_thread != RT_NULL )
{
rt_kprintf("fsrw1_thread already exists!\r\n");
}
else
{
fsrw1_thread = rt_thread_create( "fsrw1",
fsrw1_thread_entry,
RT_NULL,
2048,
RT_THREAD_PRIORITY_MAX-2,
1);
if ( fsrw1_thread != RT_NULL)
{
rt_thread_startup(fsrw1_thread);
}
}
}
if( arg & 0x02)
{
if( fsrw2_thread != RT_NULL )
{
rt_kprintf("fsrw2_thread already exists!\r\n");
}
else
{
fsrw2_thread = rt_thread_create( "fsrw2",
fsrw2_thread_entry,
RT_NULL,
2048,
RT_THREAD_PRIORITY_MAX-2,
1);
if ( fsrw2_thread != RT_NULL)
{
rt_thread_startup(fsrw2_thread);
}
}
}
}
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT(fs_test, file system R/W test. e.g: fs_test(3));
#endif