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392 lines
8.9 KiB
C
392 lines
8.9 KiB
C
/*
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* Copyright (c) 1997 by Simon Shapiro
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/* dpt_dm.c: Dump a DPT metrics structure */
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#ident "$Id: dpt_dm.c,v 1.8 1998/01/21 17:38:32 ShimonR Exp ShimonR $"
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/queue.h>
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#include <sys/ioctl.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsi_message.h>
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#include <scsi/scsiconf.h>
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#define DPT_MEASURE_PERFORMANCE
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#include <sys/dpt.h>
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char *
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scsi_cmd_name(u_int8_t cmd)
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{
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switch (cmd) {
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case 0x40:
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return ("Change Definition [7.1]");
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break;
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case 0x39:
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return ("Compare [7,2]");
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break;
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case 0x18:
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return ("Copy [7.3]");
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break;
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case 0x3a:
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return ("Copy and Verify [7.4]");
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break;
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case 0x04:
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return ("Format Unit [6.1.1]");
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break;
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case 0x12:
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return ("Inquiry [7.5]");
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break;
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case 0x36:
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return ("lock/Unlock Cache [6.1.2]");
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break;
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case 0x4c:
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return ("Log Select [7.6]");
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break;
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case 0x4d:
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return ("Log Sense [7.7]");
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break;
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case 0x15:
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return ("Mode select (6) [7.8]");
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break;
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case 0x55:
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return ("Mode Select (10) [7.9]");
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break;
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case 0x1a:
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return ("Mode Sense (6) [7.10]");
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break;
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case 0x5a:
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return ("Mode Sense (10) [7.11]");
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break;
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case 0xa7:
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return ("Move Medium Attached [SMC]");
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break;
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case 0x5e:
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return ("Persistent Reserve In [7.12]");
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break;
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case 0x5f:
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return ("Persistent Reserve Out [7.13]");
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break;
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case 0x1e:
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return ("Prevent/Allow Medium Removal [7.14]");
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break;
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case 0x08:
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return ("Read, Receive (6) [6.1.5]");
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break;
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case 0x28:
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return ("Read (10) [6.1.5]");
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break;
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case 0xa8:
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return ("Read (12) [6.1.5]");
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break;
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case 0x3c:
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return ("Read Buffer [7.15]");
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break;
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case 0x25:
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return ("Read Capacity [6.1.6]");
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break;
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case 0x37:
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return ("Read Defect Data (10) [6.1.7]");
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break;
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case 0xb7:
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return ("Read Defect Data (12) [6.2.5]");
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break;
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case 0xb4:
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return ("Read Element Status Attached [SMC]");
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break;
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case 0x3e:
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return ("Read Long [6.1.8]");
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break;
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case 0x07:
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return ("Reassign Blocks [6.1.9]");
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break;
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case 0x81:
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return ("Rebuild [6.1.10]");
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break;
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case 0x1c:
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return ("Receive Diagnostics Result [7.16]");
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break;
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case 0x82:
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return ("Regenerate [6.1.11]");
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break;
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case 0x17:
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return ("Release(6) [7.17]");
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break;
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case 0x57:
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return ("Release(10) [7.18]");
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break;
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case 0xa0:
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return ("Report LUNs [7.19]");
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break;
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case 0x03:
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return ("Request Sense [7.20]");
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break;
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case 0x16:
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return ("Resereve (6) [7.21]");
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break;
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case 0x56:
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return ("Reserve(10) [7.22]");
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break;
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case 0x2b:
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return ("Reserve(10) [6.1.12]");
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break;
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case 0x1d:
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return ("Send Disagnostics [7.23]");
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break;
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case 0x33:
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return ("Set Limit (10) [6.1.13]");
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break;
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case 0xb3:
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return ("Set Limit (12) [6.2.8]");
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break;
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case 0x1b:
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return ("Start/Stop Unit [6.1.14]");
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break;
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case 0x35:
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return ("Synchronize Cache [6.1.15]");
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break;
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case 0x00:
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return ("Test Unit Ready [7.24]");
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break;
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case 0x3d:
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return ("Update Block (6.2.9");
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break;
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case 0x2f:
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return ("Verify (10) [6.1.16, 6.2.10]");
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break;
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case 0xaf:
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return ("Verify (12) [6.2.11]");
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break;
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case 0x0a:
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return ("Write, Send (6) [6.1.17, 9.2]");
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break;
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case 0x2a:
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return ("Write (10) [6.1.18]");
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break;
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case 0xaa:
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return ("Write (12) [6.2.13]");
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break;
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case 0x2e:
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return ("Write and Verify (10) [6.1.19, 6.2.14]");
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break;
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case 0xae:
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return ("Write and Verify (12) [6.1.19, 6.2.15]");
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break;
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case 0x03b:
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return ("Write Buffer [7.25]");
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break;
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case 0x03f:
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return ("Write Long [6.1.20]");
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break;
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case 0x041:
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return ("Write Same [6.1.21]");
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break;
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case 0x052:
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return ("XD Read [6.1.22]");
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break;
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case 0x050:
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return ("XD Write [6.1.22]");
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break;
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case 0x080:
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return ("XD Write Extended [6.1.22]");
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break;
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case 0x051:
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return ("XO Write [6.1.22]");
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break;
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default:
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return ("Unknown SCSI Command");
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}
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}
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int
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main(int argc, char **argv, char **argp)
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{
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dpt_perf_t metrics;
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int result;
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int fd;
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int ndx;
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if ( (fd = open(argv[1], O_RDWR, S_IRUSR | S_IWUSR)) == -1 ) {
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(void)fprintf(stderr, "%s ERROR: Failed to open \"%s\" - %s\n",
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argv[0], argv[1], strerror(errno));
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exit(1);
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}
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if ( (result = ioctl(fd, DPT_IOCTL_INTERNAL_METRICS, &metrics)) != 0 ) {
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(void)fprintf(stderr, "%s ERROR: Failed to send IOCTL %x - %s\n",
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argv[0], DPT_IOCTL_INTERNAL_METRICS,
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strerror(errno));
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exit(2);
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}
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/* Interrupt related measurements */
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(void)fprintf(stdout, "Interrupts:%d:%d:%d:%d\n\nCommands:\n",
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metrics.aborted_interrupts,
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metrics.spurious_interrupts,
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metrics.min_intr_time,
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metrics.max_intr_time);
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/* SCSI Commands, can be no more than 256 of them */
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for (ndx = 0; ndx < 256; ndx++) {
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if (metrics.command_count[ndx] != 0) {
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(void)fprintf(stdout, "%d:%s:%d:%d:%d\n",
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ndx,
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scsi_cmd_name((u_int8_t)ndx),
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metrics.command_count[ndx],
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metrics.min_command_time[ndx],
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metrics.max_command_time[ndx]);
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}
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}
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(void)fprintf(stdout, "\nREAD by size:\n");
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/* READ/WRITE statistics, per block size */
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for ( ndx = 0; ndx < 10; ndx++) {
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if (metrics.read_by_size_count[ndx] != 0) {
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char* block_size;
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switch ( ndx ) {
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case SIZE_512:
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block_size = "512";
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break;
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case SIZE_1K:
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block_size = "1K";
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break;
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case SIZE_2K:
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block_size = "2K";
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break;
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case SIZE_4K:
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block_size = "4K";
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break;
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case SIZE_8K:
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block_size = "8K";
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break;
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case SIZE_16K:
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block_size = "16K";
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break;
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case SIZE_32K:
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block_size = "32K";
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break;
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case SIZE_64K:
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block_size = "64K";
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break;
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case SIZE_BIGGER:
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block_size = "BIGGER";
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break;
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case SIZE_OTHER:
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block_size = "OTHER";
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break;
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default:
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block_size = "Gcc, shut up!";
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}
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(void)fprintf(stdout, "%s:%u:%u:%u\n", block_size,
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metrics.read_by_size_count[ndx],
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metrics.read_by_size_min_time[ndx],
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metrics.read_by_size_max_time[ndx]);
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}
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}
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(void)fprintf(stdout, "\nWRITE by size:\n");
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for ( ndx = 0; ndx < 10; ndx++) {
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if (metrics.write_by_size_count[ndx] != 0) {
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char* block_size;
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switch ( ndx ) {
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case SIZE_512:
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block_size = "512";
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break;
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case SIZE_1K:
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block_size = "1K";
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break;
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case SIZE_2K:
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block_size = "2K";
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break;
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case SIZE_4K:
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block_size = "4K";
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break;
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case SIZE_8K:
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block_size = "8K";
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break;
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case SIZE_16K:
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block_size = "16K";
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break;
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case SIZE_32K:
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block_size = "32K";
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break;
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case SIZE_64K:
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block_size = "64K";
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break;
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case SIZE_BIGGER:
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block_size = "BIGGER";
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break;
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case SIZE_OTHER:
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block_size = "OTHER";
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break;
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default:
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block_size = "Gcc, shut up!";
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}
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(void)fprintf(stdout, "%s:%u:%u:%u\n", block_size,
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metrics.write_by_size_count[ndx],
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metrics.write_by_size_min_time[ndx],
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metrics.write_by_size_max_time[ndx]);
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}
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}
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(void)fprintf(stdout, "\nQueues:%u:%u:%u:%u:%u:%u:%u:%u:%u\n",
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metrics.max_waiting_count,
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metrics.min_waiting_time,
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metrics.max_waiting_time,
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metrics.max_submit_count,
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metrics.min_submit_time,
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metrics.max_submit_time,
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metrics.max_complete_count,
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metrics.min_complete_time,
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metrics.max_complete_time);
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(void)fprintf(stdout, "Hardware Ports:%u:%u:%u:%u\n",
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metrics.command_collisions,
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metrics.command_too_busy,
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metrics.max_eata_tries,
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metrics.min_eata_tries);
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return(0);
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}
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