shared/shmdr/shmdr-dump.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *  This routine is invoked following a reset to report the statistics
0005  *  gathered during the previous execution.
0006  *
0007  *  Input parameters:  NONE
0008  *
0009  *  Output parameters: NONE
0010  *
0011  *  COPYRIGHT (c) 1989-2007.
0012  *  On-Line Applications Research Corporation (OAR).
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 #include <rtems.h>
0037 #include <stdio.h>
0038 #include <inttypes.h>
0039 #include <rtems/bspIo.h>
0040
0041 #include "shm_driver.h"
0042
0043 void
0044 Shm_Print_statistics(void)
0045 {
0046   uint32_t    ticks;
0047   uint32_t    ticks_per_second;
0048   uint32_t    seconds;
0049   uint32_t    packets_per_second;
0050
0051   ticks            = rtems_clock_get_ticks_since_boot();
0052   ticks_per_second = rtems_clock_get_ticks_per_second();
0053
0054   seconds = ticks / ticks_per_second;
0055   if ( seconds == 0 )
0056     seconds = 1;
0057
0058   packets_per_second = Shm_Receive_message_count / seconds;
0059   if ( (Shm_Receive_message_count % seconds) >= (seconds / 2) )
0060     packets_per_second++;
0061
0062   printk( "\n\nSHMDR STATISTICS (NODE %" PRId32 ")\n",
0063     rtems_object_get_local_node() );
0064   printk( "TICKS SINCE BOOT = %" PRId32 "\n", ticks );
0065   printk( "TICKS PER SECOND = %" PRId32 "\n", ticks_per_second );
0066   printk( "ISRs=%" PRId32 "\n",     Shm_Interrupt_count );
0067   printk( "RECV=%" PRId32 "\n",     Shm_Receive_message_count );
0068   printk( "NULL=%" PRId32 "\n",     Shm_Null_message_count );
0069   printk( "PKTS/SEC=%" PRId32 "\n", packets_per_second );
0070 }