ref: 90ed580cfaf169c57bc1a3e2117a6f72184b36ec
dir: /blockdev/test_lwext4.c/
/*
* Copyright (c) 2014 Grzegorz Kostka (kostka.grzegorz@gmail.com)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <ext4.h>
#include <stdio.h>
#include <time.h>
#include <inttypes.h>
#include <string.h>
#include "test_lwext4.h"
/**@brief Read-write size*/
#define READ_MAX_WRITE_SZIZE 1024 * 16
/**@brief File read/write buffer*/
static uint8_t rw_buff[READ_MAX_WRITE_SZIZE];
/**@brief Block device handle.*/
static struct ext4_blockdev *bd;
/**@brief Block cache handle.*/
static struct ext4_bcache *bc;
static char *entry_to_str(uint8_t type)
{
switch (type) {
case EXT4_DIRENTRY_UNKNOWN:
return "[unk] ";
case EXT4_DIRENTRY_REG_FILE:
return "[fil] ";
case EXT4_DIRENTRY_DIR:
return "[dir] ";
case EXT4_DIRENTRY_CHRDEV:
return "[cha] ";
case EXT4_DIRENTRY_BLKDEV:
return "[blk] ";
case EXT4_DIRENTRY_FIFO:
return "[fif] ";
case EXT4_DIRENTRY_SOCK:
return "[soc] ";
case EXT4_DIRENTRY_SYMLINK:
return "[sym] ";
default:
break;
}
return "[???]";
}
static clock_t get_ms(void) { return tim_get_ms(); }
static void printf_io_timings(clock_t diff)
{
const struct ext4_io_stats *stats = io_timings_get(diff);
if (!stats)
return;
printf("io_timings:\n");
printf(" io_read: %.3f%%\n", stats->io_read);
printf(" io_write: %.3f%%\n", stats->io_write);
printf(" io_cpu: %.3f%%\n", stats->cpu);
}
void test_lwext4_dir_ls(const char *path)
{
char sss[255];
ext4_dir d;
const ext4_direntry *de;
printf("ls %s\n", path);
ext4_dir_open(&d, path);
de = ext4_dir_entry_next(&d);
while (de) {
memcpy(sss, de->name, de->name_length);
sss[de->name_length] = 0;
printf(" %s%s\n", entry_to_str(de->inode_type), sss);
de = ext4_dir_entry_next(&d);
}
ext4_dir_close(&d);
}
void test_lwext4_mp_stats(void)
{
struct ext4_mount_stats stats;
ext4_mount_point_stats("/mp/", &stats);
printf("********************\n");
printf("ext4_mount_point_stats\n");
printf("inodes_count = %" PRIu32 "\n", stats.inodes_count);
printf("free_inodes_count = %" PRIu32 "\n", stats.free_inodes_count);
printf("blocks_count = %" PRIu32 "\n", (uint32_t)stats.blocks_count);
printf("free_blocks_count = %" PRIu32 "\n",
(uint32_t)stats.free_blocks_count);
printf("block_size = %" PRIu32 "\n", stats.block_size);
printf("block_group_count = %" PRIu32 "\n", stats.block_group_count);
printf("blocks_per_group= %" PRIu32 "\n", stats.blocks_per_group);
printf("inodes_per_group = %" PRIu32 "\n", stats.inodes_per_group);
printf("volume_name = %s\n", stats.volume_name);
printf("********************\n");
}
void test_lwext4_block_stats(void)
{
if (!bd)
return;
printf("********************\n");
printf("ext4 blockdev stats\n");
printf("bdev->bread_ctr = %" PRIu32 "\n", bd->bread_ctr);
printf("bdev->bwrite_ctr = %" PRIu32 "\n", bd->bwrite_ctr);
printf("bcache->ref_blocks = %" PRIu32 "\n", bc->ref_blocks);
printf("bcache->max_ref_blocks = %" PRIu32 "\n", bc->max_ref_blocks);
printf("bcache->lru_ctr = %" PRIu32 "\n", bc->lru_ctr);
printf("\n");
uint32_t i;
for (i = 0; i < bc->cnt; ++i) {
printf("bcache->refctr[%" PRIu32 "]= %" PRIu32 "\n", i,
bc->refctr[i]);
}
printf("\n");
for (i = 0; i < bc->cnt; ++i) {
printf("bcache->lru_id[%" PRIu32 "] = %" PRIu32 "\n", i,
bc->lru_id[i]);
}
printf("\n");
for (i = 0; i < bc->cnt; ++i) {
printf("bcache->free_delay[%" PRIu32 "] = %d\n", i,
bc->free_delay[i]);
}
printf("\n");
for (i = 0; i < bc->cnt; ++i) {
printf("bcache->lba[%" PRIu32 "] = %" PRIu32 "\n", i,
(uint32_t)bc->lba[i]);
}
printf("********************\n");
}
bool test_lwext4_dir_test(int len)
{
ext4_file f;
int r;
int i;
char path[64];
clock_t diff;
clock_t stop;
clock_t start;
printf("test_lwext4_dir_test: %d\n", len);
io_timings_clear();
start = get_ms();
printf("directory create: /mp/dir1\n");
r = ext4_dir_mk("/mp/dir1");
if (r != EOK) {
printf("ext4_dir_mk: rc = %d\n", r);
return false;
}
printf("add files to: /mp/dir1\n");
for (i = 0; i < len; ++i) {
sprintf(path, "/mp/dir1/f%d", i);
r = ext4_fopen(&f, path, "wb");
if (r != EOK) {
printf("ext4_fopen: rc = %d\n", r);
return false;
}
}
stop = get_ms();
diff = stop - start;
test_lwext4_dir_ls("/mp/dir1");
printf("test_lwext4_dir_test: time: %d ms\n", (int)diff);
printf("test_lwext4_dir_test: av: %d ms/entry\n", (int)diff / (len + 1));
printf_io_timings(diff);
return true;
}
static int verify_buf(const unsigned char *b, size_t len, unsigned char c)
{
size_t i;
for (i = 0; i < len; ++i) {
if (b[i] != c)
return c - b[i];
}
return 0;
}
bool test_lwext4_file_test(uint32_t rw_size, uint32_t rw_count)
{
int r;
size_t size;
uint32_t i;
clock_t start;
clock_t stop;
clock_t diff;
uint32_t kbps;
uint64_t size_bytes;
ext4_file f;
if (rw_size > READ_MAX_WRITE_SZIZE)
return false;
printf("file_test:\n");
printf(" rw size: %" PRIu32 "\n", rw_size);
printf(" rw count: %" PRIu32 "\n", rw_count);
/*Add hello world file.*/
r = ext4_fopen(&f, "/mp/hello.txt", "wb");
r = ext4_fwrite(&f, "Hello World !\n", strlen("Hello World !\n"), 0);
r = ext4_fclose(&f);
io_timings_clear();
start = get_ms();
r = ext4_fopen(&f, "/mp/test1", "wb");
if (r != EOK) {
printf("ext4_fopen ERROR = %d\n", r);
return false;
}
printf("ext4_write: %" PRIu32 " * %" PRIu32 " ...\n", rw_size,
rw_count);
for (i = 0; i < rw_count; ++i) {
memset(rw_buff, i % 10 + '0', rw_size);
r = ext4_fwrite(&f, rw_buff, rw_size, &size);
if ((r != EOK) || (size != rw_size))
break;
}
if (i != rw_count) {
printf(" file_test: rw_count = %" PRIu32 "\n", i);
return false;
}
stop = get_ms();
diff = stop - start;
size_bytes = rw_size * rw_count;
size_bytes = (size_bytes * 1000) / 1024;
kbps = (size_bytes) / (diff + 1);
printf(" write time: %d ms\n", (int)diff);
printf(" write speed: %" PRIu32 " KB/s\n", kbps);
printf_io_timings(diff);
r = ext4_fclose(&f);
io_timings_clear();
start = get_ms();
r = ext4_fopen(&f, "/mp/test1", "r+");
if (r != EOK) {
printf("ext4_fopen ERROR = %d\n", r);
return false;
}
printf("ext4_read: %" PRIu32 " * %" PRIu32 " ...\n", rw_size, rw_count);
for (i = 0; i < rw_count; ++i) {
r = ext4_fread(&f, rw_buff, rw_size, &size);
if ((r != EOK) || (size != rw_size))
break;
if (verify_buf(rw_buff, rw_size, i % 10 + '0'))
break;
}
if (i != rw_count) {
printf(" file_test: rw_count = %" PRIu32 "\n", i);
return false;
}
stop = get_ms();
diff = stop - start;
size_bytes = rw_size * rw_count;
size_bytes = (size_bytes * 1000) / 1024;
kbps = (size_bytes) / (diff + 1);
printf(" read time: %d ms\n", (int)diff);
printf(" read speed: %d KB/s\n", (int)kbps);
printf_io_timings(diff);
r = ext4_fclose(&f);
return true;
}
void test_lwext4_cleanup(void)
{
clock_t start;
clock_t stop;
clock_t diff;
printf("\ncleanup:\n");
ext4_fremove("/mp/hello.txt");
printf("remove /mp/test1\n");
ext4_fremove("/mp/test1");
printf("remove /mp/dir1\n");
io_timings_clear();
start = get_ms();
ext4_dir_rm("/mp/dir1");
stop = get_ms();
diff = stop - start;
printf("cleanup: time: %d ms\n", (int)diff);
printf_io_timings(diff);
}
bool test_lwext4_mount(struct ext4_blockdev *bdev, struct ext4_bcache *bcache)
{
int r;
bc = bcache;
bd = bdev;
if (!bd) {
printf("test_lwext4_mount: no block device\n");
return false;
}
ext4_dmask_set(EXT4_DEBUG_ALL);
r = ext4_device_register(bd, bc ? bc : 0, "ext4_fs");
if (r != EOK) {
printf("ext4_device_register: rc = %d\n", r);
return false;
}
r = ext4_mount("ext4_fs", "/mp/");
if (r != EOK) {
printf("ext4_mount: rc = %d\n", r);
return false;
}
ext4_cache_write_back("/mp/", 1);
return true;
}
bool test_lwext4_umount(void)
{
ext4_cache_write_back("/mp/", 0);
int r = ext4_umount("/mp/");
if (r != EOK) {
printf("ext4_umount: fail %d", r);
return false;
}
return true;
}