Disk and filesystem speed and stress test plugin. Aimed at developers, not built by default.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12091 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold
parent
ea37d4c072
commit
4376abb748
1 changed files with 326 additions and 0 deletions
326
apps/plugins/test_disk.c
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326
apps/plugins/test_disk.c
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 Jens Arnold
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "plugin.h"
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PLUGIN_HEADER
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#define TEST_FILE "/test_disk.tmp"
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#define FRND_SEED 0x78C3 /* arbirary */
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#ifdef HAVE_MMC
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#define TEST_SIZE (20*1024*1024)
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#else
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#define TEST_SIZE (300*1024*1024)
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#endif
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static struct plugin_api* rb;
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static unsigned char* audiobuf;
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static int audiobufsize;
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static unsigned short frnd_buffer;
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static int line = 0;
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static int max_line = 0;
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static void mem_fill_frnd(unsigned char *addr, int len)
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{
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unsigned char *end = addr + len;
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unsigned random = frnd_buffer;
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while (addr < end)
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{
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random = 75 * random + 74;
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*addr++ = random >> 8;
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}
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frnd_buffer = random;
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}
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static bool mem_cmp_frnd(unsigned char *addr, int len)
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{
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unsigned char *end = addr + len;
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unsigned random = frnd_buffer;
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while (addr < end)
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{
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random = 75 * random + 74;
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if (*addr++ != ((random >> 8) & 0xff))
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return false;
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}
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frnd_buffer = random;
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return true;
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}
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static void log_init(void)
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{
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int h;
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rb->lcd_getstringsize("A", NULL, &h);
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max_line = LCD_HEIGHT / h;
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line = 0;
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rb->lcd_clear_display();
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rb->lcd_update();
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}
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static void log_lcd(char *text, bool advance)
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{
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rb->lcd_puts(0, line, text);
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rb->lcd_update();
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if (advance)
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if (++line >= max_line)
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line = 0;
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}
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static bool test_fs(void)
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{
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unsigned char text_buf[32];
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unsigned char *buf_start;
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int align, buf_len;
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int total, current;
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int fd;
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align = (-(int)audiobuf) & 3;
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buf_start = audiobuf + align;
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buf_len = (audiobufsize - align - 4) & ~3;
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log_init();
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rb->snprintf(text_buf, sizeof text_buf, "FS stress test: %dKB", (TEST_SIZE>>10));
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log_lcd(text_buf, true);
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fd = rb->creat(TEST_FILE, 0);
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if (fd < 0)
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{
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rb->splash(0, true, "Couldn't create testfile.");
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goto error;
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}
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frnd_buffer = FRND_SEED;
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total = TEST_SIZE;
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while (total > 0)
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{
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current = rb->rand() % buf_len;
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current = MIN(current, total);
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align = rb->rand() & 3;
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rb->snprintf(text_buf, sizeof text_buf, "Wrt %dKB, %dKB left",
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current >> 10, total >> 10);
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log_lcd(text_buf, false);
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mem_fill_frnd(buf_start + align, current);
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if (current != rb->write(fd, buf_start + align, current))
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{
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rb->splash(0, true, "Write error.");
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rb->close(fd);
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goto error;
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}
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total -= current;
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}
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rb->close(fd);
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fd = rb->open(TEST_FILE, O_RDONLY);
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if (fd < 0)
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{
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rb->splash(0, true, "Couldn't open testfile.");
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goto error;
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}
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frnd_buffer = FRND_SEED;
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total = TEST_SIZE;
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while (total > 0)
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{
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current = rb->rand() % buf_len;
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current = MIN(current, total);
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align = rb->rand() & 3;
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rb->snprintf(text_buf, sizeof text_buf, "Cmp %dKB, %dKB left",
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current >> 10, total >> 10);
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log_lcd(text_buf, false);
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if (current != rb->read(fd, buf_start + align, current))
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{
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rb->splash(0, true, "Read error.");
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rb->close(fd);
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goto error;
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}
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if (!mem_cmp_frnd(buf_start + align, current))
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{
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log_lcd(text_buf, true);
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log_lcd("Compare error.", true);
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rb->close(fd);
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goto error;
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}
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total -= current;
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}
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rb->close(fd);
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log_lcd(text_buf, true);
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log_lcd("Test passed.", true);
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error:
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rb->remove(TEST_FILE);
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rb->button_clear_queue();
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rb->button_get(true);
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return false;
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}
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static bool test_speed(void)
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{
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unsigned char text_buf[32];
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unsigned char *buf_start;
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long time;
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int buf_len;
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int fd;
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buf_len = (-(int)audiobuf) & 3;
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buf_start = audiobuf + buf_len;
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buf_len = (audiobufsize - buf_len) & ~3;
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rb->memset(buf_start, 'T', buf_len);
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buf_len -= 2;
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log_init();
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log_lcd("Disk speed test", true);
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fd = rb->creat(TEST_FILE, 0);
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if (fd < 0)
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{
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rb->splash(0, true, "Couldn't create testfile.");
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goto error;
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}
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time = *rb->current_tick;
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if (buf_len != rb->write(fd, buf_start, buf_len))
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{
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rb->splash(0, true, "Write error.");
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rb->close(fd);
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goto error;
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}
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time = *rb->current_tick - time;
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rb->snprintf(text_buf, sizeof text_buf, "Create: %d KByte/s",
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(25 * buf_len / time) >> 8);
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log_lcd(text_buf, true);
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rb->close(fd);
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fd = rb->open(TEST_FILE, O_WRONLY);
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if (fd < 0)
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{
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rb->splash(0, true, "Couldn't open testfile.");
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goto error;
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}
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time = *rb->current_tick;
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if (buf_len != rb->write(fd, buf_start, buf_len))
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{
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rb->splash(0, true, "Write error.");
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rb->close(fd);
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goto error;
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}
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time = *rb->current_tick - time;
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rb->snprintf(text_buf, sizeof text_buf, "Write A: %d KByte/s",
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(25 * buf_len / time) >> 8);
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log_lcd(text_buf, true);
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rb->close(fd);
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fd = rb->open(TEST_FILE, O_WRONLY);
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if (fd < 0)
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{
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rb->splash(0, true, "Couldn't open testfile.");
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goto error;
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}
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time = *rb->current_tick;
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if (buf_len != rb->write(fd, buf_start + 1, buf_len))
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{
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rb->splash(0, true, "Write error.");
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rb->close(fd);
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goto error;
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}
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time = *rb->current_tick - time;
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rb->snprintf(text_buf, sizeof text_buf, "Write U: %d KByte/s",
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(25 * buf_len / time) >> 8);
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log_lcd(text_buf, true);
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rb->close(fd);
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fd = rb->open(TEST_FILE, O_RDONLY);
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if (fd < 0)
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{
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rb->splash(0, true, "Couldn't open testfile.");
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goto error;
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}
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time = *rb->current_tick;
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if (buf_len != rb->read(fd, buf_start, buf_len))
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{
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rb->splash(0, true, "Read error.");
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rb->close(fd);
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goto error;
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}
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time = *rb->current_tick - time;
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rb->snprintf(text_buf, sizeof text_buf, "Read A: %d KByte/s",
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(25 * buf_len / time) >> 8);
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log_lcd(text_buf, true);
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rb->close(fd);
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fd = rb->open(TEST_FILE, O_RDONLY);
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if (fd < 0)
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{
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rb->splash(0, true, "Couldn't open testfile.");
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goto error;
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}
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time = *rb->current_tick;
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if (buf_len != rb->read(fd, buf_start + 1, buf_len))
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{
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rb->splash(0, true, "Read error.");
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rb->close(fd);
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goto error;
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}
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time = *rb->current_tick - time;
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rb->snprintf(text_buf, sizeof text_buf, "Read U: %d KByte/s",
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(25 * buf_len / time) >> 8);
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log_lcd(text_buf, true);
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rb->close(fd);
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error:
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rb->remove(TEST_FILE);
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rb->button_clear_queue();
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rb->button_get(true);
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return false;
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}
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/* this is the plugin entry point */
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enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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{
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static const struct menu_item items[] = {
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{ "Disk speed", test_speed },
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{ "FS stress test", test_fs },
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};
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int m;
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(void)parameter;
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rb = api;
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audiobuf = rb->plugin_get_audio_buffer(&audiobufsize);
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rb->srand(*rb->current_tick);
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if (rb->global_settings->backlight_timeout > 0)
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rb->backlight_set_timeout(1); /* keep the light on */
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m = rb->menu_init(items, sizeof(items) / sizeof(*items), NULL,
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NULL, NULL, NULL);
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rb->menu_run(m);
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rb->menu_exit(m);
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/* restore normal backlight setting */
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rb->backlight_set_timeout(rb->global_settings->backlight_timeout);
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return PLUGIN_OK;
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}
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