libblock/src/blkdev-print-stats.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup rtems_blkdev Block Device Management
0007  *
0008  * @brief Prints the Block Device Statistics
0009  */
0010
0011 /*
0012  * Copyright (c) 2012 embedded brains GmbH & Co. KG
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #ifdef HAVE_CONFIG_H
0037 #include "config.h"
0038 #endif
0039
0040 #include <rtems/blkdev.h>
0041
0042 #include <inttypes.h>
0043
0044 void rtems_blkdev_print_stats(
0045   const rtems_blkdev_stats *stats,
0046   uint32_t media_block_size,
0047   uint32_t media_block_count,
0048   uint32_t block_size,
0049   const rtems_printer* printer
0050 )
0051 {
0052   rtems_printf(
0053      printer,
0054      "-------------------------------------------------------------------------------\n"
0055      "                               DEVICE STATISTICS\n"
0056      "----------------------+--------------------------------------------------------\n"
0057      " MEDIA BLOCK SIZE     | %" PRIu32 "\n"
0058      " MEDIA BLOCK COUNT    | %" PRIu32 "\n"
0059      " BLOCK SIZE           | %" PRIu32 "\n"
0060      " READ HITS            | %" PRIu32 "\n"
0061      " READ MISSES          | %" PRIu32 "\n"
0062      " READ AHEAD TRANSFERS | %" PRIu32 "\n"
0063      " READ AHEAD PEEKS     | %" PRIu32 "\n"
0064      " READ BLOCKS          | %" PRIu32 "\n"
0065      " READ ERRORS          | %" PRIu32 "\n"
0066      " WRITE TRANSFERS      | %" PRIu32 "\n"
0067      " WRITE BLOCKS         | %" PRIu32 "\n"
0068      " WRITE ERRORS         | %" PRIu32 "\n"
0069      "----------------------+--------------------------------------------------------\n",
0070      media_block_size,
0071      media_block_count,
0072      block_size,
0073      stats->read_hits,
0074      stats->read_misses,
0075      stats->read_ahead_transfers,
0076      stats->read_ahead_peeks,
0077      stats->read_blocks,
0078      stats->read_errors,
0079      stats->write_transfers,
0080      stats->write_blocks,
0081      stats->write_errors
0082   );
0083 }