hardware:raspberry_pi:sdcard_overclock:klevv_128gb_microsdxc_class10_uhs-i_u3_a1

KLEVV 128GB microSDXC Class10 UHS-I U3 A1

KLEVV 128GB microSDXC Class10 UHS-I U3 A1

$ python3 read_sd_attr.py

===== SD and MMC Block Device Attributes Reader Ver 0.02 =====
device: /sys/block/mmcblk0/device
----------------------------------------
cid: 00000053442020201014a0001a0143dd\n
csd: 400e0032db790003a3d77f800a400067\n
scr: 0245848700000000\n
date: 03/2020\n
fwrev: 0x0\n
hwrev: 0x1\n
manfid: 0x000000\n
name: SD   \n
oemid: 0x0000\n ('')
prv: None
serial: 0x14a0001a\n
erase_size: 512\n
preferred_erase_size: 4194304\n
raw_rpmb_size_mult: None
rel_sectors: None
ocr: 0x00200000\n
dsr: 0x404\n
cmdq_en: None
----------------------------------------
$ sudo ./sdbench.sh
CONFIG:
CLOCK : 50.000 MHz
CORE  : 400 MHz, turbo=0
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads:  66 MB in  3.01 seconds =  21.89 MB/sec
 Timing O_DIRECT disk reads:  66 MB in  3.02 seconds =  21.87 MB/sec
 Timing O_DIRECT disk reads:  66 MB in  3.02 seconds =  21.85 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 37.3221 s, 14.4 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 33.8646 s, 15.9 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 34.9792 s, 15.3 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 23.5584 s, 22.8 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 23.8614 s, 22.5 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 23.2457 s, 23.1 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   400        0      50.000 MHz   14.49 MB/s   21.74 MB/s   21.88 MB/s
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 50.000 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads:  68 MB in  3.06 seconds =  22.21 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 26.495 s, 15.8 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O
                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Sun Mar 13 10:33:55 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1385     1648     5437     5437     4621     1615


iozone test complete.

microSD card benchmark complete!
core_freq (MHz) dtparam=sd_overclock (MHz) actual clock (MHz) judge benchmark
570 125 (=570/4.560) 71.250 (=570/8.000) NG -
565 125 (=565/4.520) 125.000 (=565/4.520) OK OK
560 125 (=560/4.480) 125.000 (=560/4.480) OK OK
560 110 (=560/5.090) 93.333 (=560/6.000) NG OK
100 → 93.333
555 125 (=555/4.440) 125.000 (=555/4.440) OK OK
550 110 (=550/5.000) 110.000 (=550/5.000) OK OK
500 100 (=500/5.000) 83.333 (=500/6.000) NG OK
100 → 83.333
460 115 (=460/4.000) 115.000 (=460/4.000) OK NG
checksum error
/boot/config.txt
$ sudo nano /boot/config.txt
 
force_turbo=1
dtparam=sd_overclock=100
 
$ sudo reboot
$ sudo ./sdbench.sh
CONFIG: dtparam=sd_overclock=100
CLOCK : 100.000 MHz
CORE  : 400 MHz, turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 124 MB in  3.04 seconds =  40.75 MB/sec
 Timing O_DIRECT disk reads: 124 MB in  3.04 seconds =  40.75 MB/sec
 Timing O_DIRECT disk reads: 122 MB in  3.01 seconds =  40.60 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 27.7687 s, 19.3 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 26.8186 s, 20.0 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 28.2073 s, 19.0 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 12.3104 s, 43.6 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 12.2908 s, 43.7 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 12.2976 s, 43.7 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   400        1     100.000 MHz   18.56 MB/s   41.63 MB/s   40.70 MB/s
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 100.000 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads: 128 MB in  3.01 seconds =  42.53 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 21.1011 s, 19.9 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O

                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Sun Mar 13 14:33:06 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1513     1748     6260     6258     5228     1733


iozone test complete.

microSD card benchmark complete!
/boot/config.txt
$ sudo nano /boot/config.txt
 
#----- Zero OC -----
##fake_vsync_isr=1
##framebuffer_swap=0
##gpu_mem=48
##init_emmc_clock=100000000
 
force_turbo=1
 
##arm_freq=1150
##arm_freq=1095 for my other unit with heatsink
##arm_freq=1085
arm_freq=1050
 
##gpu_freq=550 for the unit with a heatsink
##gpu_freq=530
gpu_freq=520
##gpu_freq=300
 
core_freq=565
over_voltage=3
 
sdram_freq=533
over_voltage_sdram=1
##over_voltage_sdram_c=7
##over_voltage_sdram_i=7
##over_voltage_sdram_p=8
 
dtparam=sd_overclock=125
$ sudo ./sdbench.sh

CONFIG: core_freq=565,dtparam=sd_overclock=125
CLOCK : SD Bus: 125.000 MHz, CPU: 1050.110 MHz, CPU Temp: 47.078 ℃, SDRAM: 533 MHz
VOLTS : core: 1.4000V, sdram(controller, I/O, physical): 1.2000V, 1.2000V, 1.2250V
CORE  : 565 MHz(565 MHz), turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 138 MB in  3.04 seconds =  45.45 MB/sec
 Timing O_DIRECT disk reads: 138 MB in  3.01 seconds =  45.88 MB/sec
 Timing O_DIRECT disk reads: 138 MB in  3.01 seconds =  45.79 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 26.2772 s, 20.4 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 26.0346 s, 20.6 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 24.9115 s, 21.6 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 11.2661 s, 47.7 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 10.9421 s, 49.1 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 10.9409 s, 49.1 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   565        1     125.000 MHz   19.90 MB/s   46.35 MB/s   45.70 MB/s

microSD card benchmark complete!
CPU Temp: 49.230 ℃
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 125.000 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads: 144 MB in  3.02 seconds =  47.74 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 17.392 s, 24.1 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O
                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Mon Mar 28 15:39:21 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1588     1826     7038     7044     5771     1812


iozone test complete.

microSD card benchmark complete!
/boot/config.txt
$ sudo nano /boot/config.txt
 
#----- Zero OC -----
##fake_vsync_isr=1
##framebuffer_swap=0
##gpu_mem=48
##init_emmc_clock=100000000
 
force_turbo=1
 
##arm_freq=1150
##arm_freq=1095 for my other unit with heatsink
##arm_freq=1085
arm_freq=1050
 
##gpu_freq=550 for the unit with a heatsink
##gpu_freq=530
gpu_freq=520
##gpu_freq=300
 
core_freq=560
over_voltage=3
 
sdram_freq=533
over_voltage_sdram=1
##over_voltage_sdram_c=7
##over_voltage_sdram_i=7
##over_voltage_sdram_p=8
 
dtparam=sd_overclock=125
$ sudo cat /sys/kernel/debug/mmc0/ios
clock:          50000000 Hz
actual clock:   125000000 Hz
vdd:            21 (3.3 ~ 3.4 V)
bus mode:       2 (push-pull)
chip select:    0 (don't care)
power mode:     2 (on)
bus width:      2 (4 bits)
timing spec:    2 (sd high-speed)
signal voltage: 0 (3.30 V)
driver type:    0 (driver type B)
dietpi@DietPi-001:~$ sudo ./sdbench.sh

CONFIG: core_freq=560,dtparam=sd_overclock=125
CLOCK : SD Bus: 125.000 MHz, CPU: 1050.110 MHz, CPU Temp: 44.926 ℃, SDRAM: 533 MHz
VOLTS : core: 1.4000V, sdram(controller, I/O, physical): 1.2000V, 1.2000V, 1.2250V
CORE  : 560 MHz(560 MHz), turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 136 MB in  3.01 seconds =  45.15 MB/sec
 Timing O_DIRECT disk reads: 136 MB in  3.04 seconds =  44.79 MB/sec
 Timing O_DIRECT disk reads: 138 MB in  3.04 seconds =  45.33 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 26.8051 s, 20.0 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 26.2165 s, 20.5 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 26.0721 s, 20.6 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 11.7183 s, 45.8 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 11.6128 s, 46.2 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 11.4111 s, 47.0 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   560        1     125.000 MHz   19.42 MB/s   44.22 MB/s   45.10 MB/s

microSD card benchmark complete!
CPU Temp: 50.844 ℃
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 125.000 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads: 136 MB in  3.01 seconds =  45.25 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 20.0062 s, 21.0 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O
                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Mon Mar 28 15:30:49 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1587     1850     7048     7047     5707     1811


iozone test complete.

microSD card benchmark complete!
/boot/config.txt
$ sudo nano /boot/config.txt
 
#----- Zero OC -----
##fake_vsync_isr=1
##framebuffer_swap=0
##gpu_mem=48
##init_emmc_clock=100000000
 
force_turbo=1
 
##arm_freq=1150
##arm_freq=1095 for my other unit with heatsink
##arm_freq=1085
arm_freq=1050
 
##gpu_freq=550 for the unit with a heatsink
##gpu_freq=530
gpu_freq=520
##gpu_freq=300
 
core_freq=555
over_voltage=3
 
sdram_freq=533
over_voltage_sdram=1
##over_voltage_sdram_c=7
##over_voltage_sdram_i=7
##over_voltage_sdram_p=8
 
dtparam=sd_overclock=125
$ sudo cat /sys/kernel/debug/mmc0/ios
clock:          50000000 Hz
actual clock:   125000000 Hz
vdd:            21 (3.3 ~ 3.4 V)
bus mode:       2 (push-pull)
chip select:    0 (don't care)
power mode:     2 (on)
bus width:      2 (4 bits)
timing spec:    2 (sd high-speed)
signal voltage: 0 (3.30 V)
driver type:    0 (driver type B)
dietpi@DietPi-001:~$ sudo ./sdbench.sh

CONFIG: core_freq=555,dtparam=sd_overclock=125
CLOCK : SD Bus: 125.000 MHz, CPU: 1050.108 MHz, CPU Temp: 45.464 ℃, SDRAM: 533 MHz
VOLTS : core: 1.4000V, sdram(controller, I/O, physical): 1.2000V, 1.2000V, 1.2250V
CORE  : 555 MHz(555 MHz), turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 136 MB in  3.04 seconds =  44.78 MB/sec
 Timing O_DIRECT disk reads: 134 MB in  3.02 seconds =  44.30 MB/sec
 Timing O_DIRECT disk reads: 136 MB in  3.03 seconds =  44.83 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 25.2886 s, 21.2 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 26.5107 s, 20.3 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 25.691 s, 20.9 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 11.5966 s, 46.3 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 11.5264 s, 46.6 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 11.3924 s, 47.1 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   555        1     125.000 MHz   19.83 MB/s   44.50 MB/s   44.66 MB/s

microSD card benchmark complete!
CPU Temp: 51.920 ℃
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 125.000 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads: 140 MB in  3.02 seconds =  46.35 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 18.9856 s, 22.1 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O
                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Mon Mar 28 15:09:10 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1587     1830     7083     7090     5672     1845


iozone test complete.

microSD card benchmark complete!
/boot/config.txt
$ sudo nano /boot/config.txt
 
#----- Zero OC -----
##fake_vsync_isr=1
##framebuffer_swap=0
##gpu_mem=48
##init_emmc_clock=100000000
 
force_turbo=1
 
##arm_freq=1150
##arm_freq=1095 for my other unit with heatsink
##arm_freq=1085
arm_freq=1050
 
##gpu_freq=550 for the unit with a heatsink
##gpu_freq=530
gpu_freq=520
##gpu_freq=300
 
core_freq=550
over_voltage=3
 
sdram_freq=533
over_voltage_sdram=1
##over_voltage_sdram_c=7
##over_voltage_sdram_i=7
##over_voltage_sdram_p=8
 
dtparam=sd_overclock=110
$ sudo ./sdbench.sh

CONFIG: core_freq=550,dtparam=sd_overclock=110
CLOCK : SD Bus: 110.000 MHz, CPU: 1050.108 MHz, CPU Temp: 47.078 ℃, SDRAM: 533 MHz
VOLTS : core: 1.4000V, sdram(controller, I/O, physical): 1.2000V, 1.2000V, 1.2250V
CORE  : 550 MHz(550 MHz), turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 136 MB in  3.02 seconds =  45.04 MB/sec
 Timing O_DIRECT disk reads: 136 MB in  3.02 seconds =  45.04 MB/sec
 Timing O_DIRECT disk reads: 136 MB in  3.02 seconds =  44.99 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 26.3988 s, 20.3 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 25.0628 s, 21.4 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 26.3085 s, 20.4 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 11.4274 s, 47.0 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 11.4761 s, 46.8 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 11.5336 s, 46.5 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   550        1     110.000 MHz   19.76 MB/s   44.60 MB/s   45.03 MB/s

microSD card benchmark complete!
CPU Temp: 51.920 ℃
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 110.000 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads: 140 MB in  3.04 seconds =  46.02 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 18.6275 s, 22.5 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O
                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Mon Mar 28 14:49:54 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1588     1848     6973     6981     5650     1811


iozone test complete.

microSD card benchmark complete!
/boot/config.txt
$ sudo nano /boot/config.txt
 
#----- Zero OC -----
##fake_vsync_isr=1
##framebuffer_swap=0
##gpu_mem=48
##init_emmc_clock=100000000
 
force_turbo=1
 
##arm_freq=1150
##arm_freq=1095 for my other unit with heatsink
##arm_freq=1085
arm_freq=1050
 
##gpu_freq=550 for the unit with a heatsink
##gpu_freq=530
gpu_freq=520
##gpu_freq=300
 
core_freq=515
over_voltage=2
 
sdram_freq=533
over_voltage_sdram=1
##over_voltage_sdram_c=7
##over_voltage_sdram_i=7
##over_voltage_sdram_p=8
 
dtparam=sd_overclock=100
$ sudo ./sdbench.sh
CONFIG: dtparam=sd_overclock=100
CLOCK : 85.833 MHz
CORE  : 515 MHz, turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 110 MB in  3.03 seconds =  36.25 MB/sec
 Timing O_DIRECT disk reads: 110 MB in  3.04 seconds =  36.18 MB/sec
 Timing O_DIRECT disk reads: 110 MB in  3.05 seconds =  36.12 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 29.2167 s, 18.4 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 26.6671 s, 20.1 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 26.8017 s, 20.0 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 14.4077 s, 37.3 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 14.0616 s, 38.2 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 13.9808 s, 38.4 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   515        1      85.833 MHz   18.61 MB/s   36.19 MB/s   36.18 MB/s
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 85.833 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads: 114 MB in  3.05 seconds =  37.36 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 19.2661 s, 21.8 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O
                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Sun Mar 13 15:50:17 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1570     1844     6661     6666     5529     1801


iozone test complete.

microSD card benchmark complete!
/boot/config.txt
$ sudo nano /boot/config.txt
 
#----- Zero OC -----
##fake_vsync_isr=1
##framebuffer_swap=0
##gpu_mem=48
##init_emmc_clock=100000000
 
force_turbo=1
 
##arm_freq=1150
##arm_freq=1095 for my other unit with heatsink
##arm_freq=1085
arm_freq=1050
 
##gpu_freq=550 for the unit with a heatsink
##gpu_freq=530
gpu_freq=520
##gpu_freq=300
 
core_freq=500
#core_freq=515
over_voltage=2
 
sdram_freq=533
over_voltage_sdram=1
##over_voltage_sdram_c=7
##over_voltage_sdram_i=7
##over_voltage_sdram_p=8
 
dtparam=sd_overclock=100
$ sudo ./sdbench.sh

CONFIG: core_freq=500,dtparam=sd_overclock=100
CLOCK : SD Bus: 100.000 MHz, CPU: 1050.110 MHz, CPU Temp: 47.616 ℃, SDRAM: 533 MHz
VOLTS : core: 1.4000V, sdram(controller, I/O, physical): 1.2000V, 1.2000V, 1.2250V
CORE  : 500 MHz(500 MHz), turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 126 MB in  3.04 seconds =  41.44 MB/sec
 Timing O_DIRECT disk reads: 124 MB in  3.02 seconds =  41.12 MB/sec
 Timing O_DIRECT disk reads: 124 MB in  3.01 seconds =  41.18 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 36.6261 s, 14.7 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 25.4952 s, 21.1 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 24.817 s, 21.6 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 14.4337 s, 37.2 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 14.429 s, 37.2 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 14.4466 s, 37.2 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   500        1      83.333 MHz   18.23 MB/s   35.46 MB/s   41.24 MB/s

microSD card benchmark complete!
CPU Temp: 48.692 ℃
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 83.333 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads: 110 MB in  3.01 seconds =  36.49 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 19.2509 s, 21.8 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O
                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Mon Mar 28 14:30:18 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1564     1806     6514     6509     5386     1821


iozone test complete.

microSD card benchmark complete!
/boot/config.txt
$ sudo nano /boot/config.txt
 
#----- Zero OC -----
##fake_vsync_isr=1
##framebuffer_swap=0
##gpu_mem=48
##init_emmc_clock=100000000
 
force_turbo=1
 
##arm_freq=1150
##arm_freq=1095 for my other unit with heatsink
##arm_freq=1085
arm_freq=1050
 
##gpu_freq=550 for the unit with a heatsink
##gpu_freq=530
gpu_freq=520
##gpu_freq=300
 
core_freq=500
#core_freq=515
over_voltage=2
 
sdram_freq=533
over_voltage_sdram=1
##over_voltage_sdram_c=7
##over_voltage_sdram_i=7
##over_voltage_sdram_p=8
 
dtparam=sd_overclock=100
$ sudo ./sdbench.sh
CONFIG: dtparam=sd_overclock=115
CLOCK : 115.000 MHz
CORE  : 460 MHz, turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 138 MB in  3.01 seconds =  45.84 MB/sec
 Timing O_DIRECT disk reads: 138 MB in  3.00 seconds =  45.93 MB/sec
 Timing O_DIRECT disk reads: 138 MB in  3.00 seconds =  45.99 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 28.8835 s, 18.6 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 25.83 s, 20.8 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 25.7494 s, 20.8 MB/s

READ:
====
512+0 records in
512+0 records out
536870912 bytes (537 MB, 512 MiB) copied, 11.0588 s, 48.5 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 11.0572 s, 48.6 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 11.0776 s, 48.5 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   460        1     115.000 MHz   19.14 MB/s     inf MB/s   45.95 MB/s
$ sudo ./microsd-benchmarks.sh

Raspberry Pi Dramble microSD benchmarks
microSD clock: 115.000 MHz

Running hdparm test...

/dev/mmcblk0:
 Timing buffered disk reads: 146 MB in  3.01 seconds =  48.48 MB/sec

Running dd test...

51200+0 レコード入力
51200+0 レコード出力
419430400 bytes (419 MB, 400 MiB) copied, 19.1859 s, 21.9 MB/s

Running iozone test...
        Iozone: Performance Test of File I/O
                Version $Revision: 3.492 $
                Compiled for 32 bit mode.
                Build: linux-arm

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Mon Mar 14 03:31:39 2022

        Include fsync in write timing
        O_DIRECT feature enabled
        Auto Mode
        File size set to 102400 kB
        Record Size 4 kB
        Command line used: ./iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
                                                              random    random     bkwd    record    stride

              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400       4     1549     1797     6771     6613     5443     1803


iozone test complete.

microSD card benchmark complete!
$ sudo ./sdbench.sh
CONFIG: dtparam=sd_overclock=115
CLOCK : 115.000 MHz
CORE  : 460 MHz, turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 140 MB in  3.04 seconds =  46.02 MB/sec
 Timing O_DIRECT disk reads: 138 MB in  3.02 seconds =  45.64 MB/sec
 Timing O_DIRECT disk reads: 138 MB in  3.03 seconds =  45.58 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 24.7525 s, 21.7 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 25.5118 s, 21.0 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 24.3477 s, 22.1 MB/s

READ:
====
536870912 bytes (537 MB, 512 MiB) copied, 10.8801 s, 49.3 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 10.8713 s, 49.4 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 10.8793 s, 49.3 MB/s

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   460        1     115.000 MHz   20.59 MB/s   47.07 MB/s   45.76 MB/s
dietpi@DietPi-001:~$ sudo ./sdbench.sh
CONFIG: dtparam=sd_overclock=115
CLOCK : 115.000 MHz
CORE  : 460 MHz, turbo=1
DATA  : 512 MB, /root/test.dat

HDPARM:
======
 Timing O_DIRECT disk reads: 136 MB in  3.00 seconds =  45.33 MB/sec
 Timing O_DIRECT disk reads: 136 MB in  3.01 seconds =  45.25 MB/sec
 Timing O_DIRECT disk reads: 136 MB in  3.01 seconds =  45.20 MB/sec

WRITE:
=====
536870912 bytes (537 MB, 512 MiB) copied, 25.7259 s, 20.9 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 24.8151 s, 21.6 MB/s
536870912 bytes (537 MB, 512 MiB) copied, 24.8374 s, 21.6 MB/s

READ:
====
grep: error while loading shared libraries: libpcre.so.3: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74

grep: error while loading shared libraries: libpcre.so.3: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74

grep: error while loading shared libraries: libpcre.so.3: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74
awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74

awk: error while loading shared libraries: libm.so.6: cannot open shared object file: Error 74

RESULT (AVG):
============
core_freq   turbo     sd clock       WRITE        READ        HDPARM
   460        1     115.000 MHz   20.38 MB/s                45.23 MB/s
$ dmesg

...
[  138.150177  sdbench.sh (655): drop_caches: 3
[  149.756570  sdbench.sh (669): drop_caches: 3
[  160.741658  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #237: block 2: comm sdbench.sh: Directory block failed checksum
[  160.784112  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #237: block 2: comm sdbench.sh: Directory block failed checksum
[  160.809519  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #237: block 2: comm sdbench.sh: Directory block failed checksum
[  161.342185  sdbench.sh (683): drop_caches: 3
[  161.399670  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #237: block 2: comm sdbench.sh: Directory block failed checksum
[  302.593936  sdbench.sh (818): drop_caches: 3
[  302.693838  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm grep: Directory block failed checksum
[  302.700784  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm grep: Directory block failed checksum
[  302.703488  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm grep: Directory block failed checksum
[  302.705453  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm grep: Directory block failed checksum
[  302.707803  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm grep: Directory block failed checksum
[  302.720530  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm grep: Directory block failed checksum
[  313.566938  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.569360  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.571238  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.575190  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.577114  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.578975  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.604228  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.606354  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.608187  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  313.610002  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  314.179210  sdbench.sh (832): drop_caches: 3
[  325.116012  EXT4-fs error: 15 callbacks suppressed
[  325.116033  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.118397  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.120213  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.126643  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.128513  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.130438  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.150076  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.156440  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.158320  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.160740  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  325.719642  sdbench.sh (846): drop_caches: 3
[  336.660946  EXT4-fs error: 14 callbacks suppressed
[  336.660967  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.663699  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.665557  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.667376  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.669185  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.671025  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.691567  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.697726  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.699877  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum
[  336.703806  EXT4-fs error (device mmcblk0p2): ext4_dx_find_entry:1646: inode #1432: block 4: comm awk: Directory block failed checksum

  • hardware/raspberry_pi/sdcard_overclock/klevv_128gb_microsdxc_class10_uhs-i_u3_a1.txt
  • 最終更新: 2022/03/28 15:46
  • by ともやん