reads.log

Linux磁盘测试的源代码,测试磁盘的读写性能

Command Line:

    % dt if=/dev/rmt0h bs=64k limit=10m files=2 enable=lbdata,resets,debug log=reads.log 

	--> Date: December 21, 1998, Version: 11.0, Author: Robin T. Miller <--

dt: Attempting to open input file '/dev/rmt0h', open flags = 00...
dt: Input file '/dev/rmt0h' successfully opened, fd = 8
dt: Clearing EEI data...

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TLZ7
adpt_num		0
nexus_num		0
bus_num			0
ctlr_num		0
slave_num		3
dev_name		tz
unit_num		3
soft_count		0
hard_count		20
stat			0x1
			DEV_BOM 
category_stat		0x20400
			DEV_LOADER DEV_61000_BPI

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x10001
                        BOM POS_VALID 
unit_status             0x1a9
                        Ready Loader 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       61000 BPI
density (on write)      0 BPI
Filemark Cnt            0
Record Cnt              0
Class                   0 - <unspecified>

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x1
			DEV_BOM 
mt_erreg		0x0 (NO SENSE - No error or no sense information)
mt_resid		0
mt_fileno		0 
mt_blkno		0 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_NO_STATUS (0) - No EEI status available
                   EEI Valid Flags: 0x1000000 - CAM_DATA
                        CAM Status: <Not Valid>
                       SCSI Status: <Not Valid>
                   SCSI Sense Data: <Not Valid>

dt: Allocated buffer at address 0x14002c000 of 65540 bytes, using offset 0
dt: Processing reset condition (EEI_DEVPATH_RESET) - file 0, record 56

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TLZ7
adpt_num		0
nexus_num		0
bus_num			0
ctlr_num		0
slave_num		3
dev_name		tz
unit_num		3
soft_count		0
hard_count		20
stat			0x0
category_stat		0x20400
			DEV_LOADER DEV_61000_BPI

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x0
unit_status             0x1a9
                        Ready Loader 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       61000 BPI
density (on write)      0 BPI
Filemark Cnt            <Not Valid>
Record Cnt              <Not Valid>
Class                   0 - <unspecified>

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x0
mt_erreg		0x0 (NO SENSE - No error or no sense information)
mt_resid		0
mt_fileno		0 
mt_blkno		56 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_DEVPATH_RESET (0x6400) - Device/bus reset occured
                   EEI Valid Flags: 0x1000001 - CAM_STATUS CAM_DATA
                        CAM Status: CAM_SCSI_BUS_RESET (0xe) - bus reset sent/received
                       SCSI Status: <Not Valid>
                   SCSI Sense Data: <Not Valid>

dt: Issuing 'rewind tape' command, count = 0 (0)

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TLZ7
adpt_num		0
nexus_num		0
bus_num			0
ctlr_num		0
slave_num		3
dev_name		tz
unit_num		3
soft_count		0
hard_count		24
stat			0x1
			DEV_BOM 
category_stat		0x20400
			DEV_LOADER DEV_61000_BPI

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x10001
                        BOM POS_VALID 
unit_status             0x1a9
                        Ready Loader 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       61000 BPI
density (on write)      0 BPI
Filemark Cnt            0
Record Cnt              56
Class                   0 - <unspecified>

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x1
			DEV_BOM 
mt_erreg		0x0 (NO SENSE - No error or no sense information)
mt_resid		0
mt_fileno		0 
mt_blkno		56 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_CNTBUSY_FAILURE (0x600) - HBA/Controller Busy (retriable)
                   EEI Valid Flags: 0x1000001 - CAM_STATUS CAM_DATA
                        CAM Status: CAM_BUSY (0x5) - CAM subsystem is busy
                       SCSI Status: <Not Valid>
                   SCSI Sense Data: <Not Valid>

dt: Retry 1 after EEI_CNTBUSY_FAILURE status...

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TLZ7
adpt_num		0
nexus_num		0
bus_num			0
ctlr_num		0
slave_num		3
dev_name		tz
unit_num		3
soft_count		0
hard_count		28
stat			0x1
			DEV_BOM 
category_stat		0x20400
			DEV_LOADER DEV_61000_BPI

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x1
                        BOM 
unit_status             0x1a9
                        Ready Loader 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       61000 BPI
density (on write)      0 BPI
Filemark Cnt            <Not Valid>
Record Cnt              <Not Valid>
Class                   0 - <unspecified>

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x1
			DEV_BOM 
mt_erreg		0x0 (NO SENSE - No error or no sense information)
mt_resid		0
mt_fileno		0 
mt_blkno		0 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_DEVPATH_RESET (0x6400) - Device/bus reset occured
                   EEI Valid Flags: 0x1000000 - CAM_DATA
                        CAM Status: <Not Valid>
                       SCSI Status: <Not Valid>
                   SCSI Sense Data: <Not Valid>

dt: Retry 2 after EEI_DEVPATH_RESET status...
dt: Closing file '/dev/rmt0h', fd = 8...
dt: Attemping to reopen file '/dev/rmt0h', open flags = 00...
dt: File '/dev/rmt0h' successfully reopened, fd = 8
dt: Clearing EEI data...

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TLZ7
adpt_num		0
nexus_num		0
bus_num			0
ctlr_num		0
slave_num		3
dev_name		tz
unit_num		3
soft_count		0
hard_count		28
stat			0x1
			DEV_BOM 
category_stat		0x20400
			DEV_LOADER DEV_61000_BPI

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x10001
                        BOM POS_VALID 
unit_status             0x1a9
                        Ready Loader 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       61000 BPI
density (on write)      0 BPI
Filemark Cnt            0
Record Cnt              0
Class                   0 - <unspecified>

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x1
			DEV_BOM 
mt_erreg		0x6 (UNIT ATTENTION - Medium changed or target reset)
mt_resid		0
mt_fileno		0 
mt_blkno		0 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_DEVPATH_RESET (0x6400) - Device/bus reset occured
                   EEI Valid Flags: 0x1000007 - CAM_STATUS SCSI_STATUS SCSI_SENSE CAM_DATA
                        CAM Status: CAM_REQ_CMP_ERR (0x4) - CCB request completed with an error
                       SCSI Status: SCSI_STAT_CHECK_CONDITION (0x2) - Error, exception, or abnormal condition

SCSI Request Sense Information:

                        Error Code: 0x70 (Current Error)
                         Valid Bit: 0
                    Segment Number: 0
                         Sense Key: 0x6 (UNIT ATTENTION - Medium changed or target reset)
                    Illegal Length: 0
                      End Of Media: 0
                         File Mark: 0
                 Information Field: 0
           Additional Sense Length: 0xa
      Command Specific Information: 0
   Additional Sense Code/Qualifier: (0x29, 0) = Power on, reset, or bus device reset occurred
       Field Replaceable Unit Code: 0
              Sense Specific Bytes: 00 00 00 

dt: Positioning to record 55...
dt: Issuing 'forward space record' command, count = 55 (0x37)
dt: End of media detected, count = 0, errno = 5
dt: Clearing EEI data...

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TLZ7
adpt_num		0
nexus_num		0
bus_num			0
ctlr_num		0
slave_num		3
dev_name		tz
unit_num		3
soft_count		0
hard_count		28
stat			0x0
category_stat		0x20401
			DEV_TPMARK DEV_LOADER DEV_61000_BPI

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x11000
                        TPmark POS_VALID 
unit_status             0x1a9
                        Ready Loader 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       61000 BPI
density (on write)      0 BPI
Filemark Cnt            1
Record Cnt              0
Class                   0 - <unspecified>

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x1000
			TPMARK 
mt_erreg		0x80 (NO SENSE - No error or no sense information)
			FILE_MARK 
mt_resid		65536
mt_fileno		1 
mt_blkno		0 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_NO_STATUS (0) - No EEI status available
                   EEI Valid Flags: 0x1000007 - CAM_STATUS SCSI_STATUS SCSI_SENSE CAM_DATA
                        CAM Status: CAM_REQ_CMP_ERR (0x4) - CCB request completed with an error
                       SCSI Status: SCSI_STAT_CHECK_CONDITION (0x2) - Error, exception, or abnormal condition

SCSI Request Sense Information:

                        Error Code: 0x70 (Current Error)
                         Valid Bit: 0x1 (Information field is valid)
                    Segment Number: 0
                         Sense Key: 0 (NO SENSE - No error or no sense information)
                    Illegal Length: 0
                      End Of Media: 0
                         File Mark: 0x1
                 Information Field: 0x10000 (65536)
           Additional Sense Length: 0xa
      Command Specific Information: 0
   Additional Sense Code/Qualifier: (0, 0x1) = Filemark detected
       Field Replaceable Unit Code: 0
              Sense Specific Bytes: 00 00 00 

dt: End of media detected, count = 0, errno = 5
dt: Clearing EEI data...

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TLZ7
adpt_num		0
nexus_num		0
bus_num			0
ctlr_num		0
slave_num		3
dev_name		tz
unit_num		3
soft_count		0
hard_count		28
stat			0x0
category_stat		0x20401
			DEV_TPMARK DEV_LOADER DEV_61000_BPI

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x11000
                        TPmark POS_VALID 
unit_status             0x1a9
                        Ready Loader 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       61000 BPI
density (on write)      0 BPI
Filemark Cnt            2
Record Cnt              0
Class                   0 - <unspecified>

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x1000
			TPMARK 
mt_erreg		0x80 (NO SENSE - No error or no sense information)
			FILE_MARK 
mt_resid		65536
mt_fileno		2 
mt_blkno		0 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_NO_STATUS (0) - No EEI status available
                   EEI Valid Flags: 0x1000007 - CAM_STATUS SCSI_STATUS SCSI_SENSE CAM_DATA
                        CAM Status: CAM_REQ_CMP_ERR (0x4) - CCB request completed with an error
                       SCSI Status: SCSI_STAT_CHECK_CONDITION (0x2) - Error, exception, or abnormal condition

SCSI Request Sense Information:

                        Error Code: 0x70 (Current Error)
                         Valid Bit: 0x1 (Information field is valid)
                    Segment Number: 0
                         Sense Key: 0 (NO SENSE - No error or no sense information)
                    Illegal Length: 0
                      End Of Media: 0
                         File Mark: 0x1
                 Information Field: 0x10000 (65536)
           Additional Sense Length: 0xa
      Command Specific Information: 0
   Additional Sense Code/Qualifier: (0, 0x1) = Filemark detected
       Field Replaceable Unit Code: 0
              Sense Specific Bytes: 00 00 00 

dt: Exiting with status code 254...
dt: Closing file '/dev/rmt0h', fd = 8...
Total Statistics:
      Input device/file name: /dev/rmt0h (Device: TLZ7, type=tape)
           Data pattern read: 0x39c39c39
     Total records processed: 320 @ 65536 bytes/record (64.000 Kbytes)
     Total bytes transferred: 20971520 (20480.000 Kbytes, 20.000 Mbytes)
      Average transfer rates: 442282 bytes/sec, 431.916 Kbytes/sec
     Number I/O's per second: 6.749
      Total passes completed: 1/1
       Total files processed: 2/2
       Total errors detected: 0/1
          Total elapsed time: 00m47.41s
           Total system time: 00m00.05s
             Total user time: 00m02.31s
               Starting time: Tue Dec 22 14:02:49 1998
                 Ending time: Tue Dec 22 14:03:43 1998