This is a place to collect information about setting up an SD card on an ESP32 chip
// Serial.printf("Total space: %lluMB\n", SD_MMC.totalBytes() / (1024 * 1024));
// Serial.printf("Used space: %lluMB\n", SD_MMC.usedBytes() / (1024 * 1024));
ets Jun 8 2016 00:22:57
14:52:48.096 ->
14:52:48.096 -> rst:0x1 (POWERON_RESET),boot:0x1b
(SPI_FAST_FLASH_BOOT)
ets Jun 8 2016 00:22:57
14:52:48.440 ->
14:52:48.440 -> rst:0x10 (RTCWDT_RTC_RESET),boot:0x1b
(SPI_FAST_FLASH_BOOT)
14:52:48.474 -> configsip: 0, SPIWP:0x00
14:52:48.474 ->
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
14:52:48.474 -> mode:DIO, clock div:1
14:52:48.474 -> load:0x3fff0008,len:8
14:52:48.474 -> load:0x3fff0010,len:1760
14:52:48.474 -> load:0x40078000,len:6668
14:52:48.474 -> load:0x40080000,len:252
14:52:48.474 -> entry 0x40080034
SD_MMC Card Type: SDHC
14:52:48.714 -> SD_MMC Card Size: 30436MB
14:52:48.714 -> Listing directory: /
14:52:48.714 -> DIR : /System Volume
Information
14:52:48.714 -> FILE: /riscos-boot.bin
SIZE: 9728
14:52:48.714 -> DIR : /defaults
14:52:48.714 -> DIR : /os
14:52:48.714 -> DIR : /overlays
14:52:48.748 -> FILE:
/bcm2708-rpi-0-w.dtb SIZE: 22264
14:52:48.748 -> FILE:
/bcm2708-rpi-b.dtb SIZE: 21761
14:52:48.748 -> FILE:
/bcm2708-rpi-b-plus.dtb SIZE: 22020
14:52:48.748 -> FILE:
/bcm2708-rpi-cm.dtb SIZE: 21474
14:52:48.748 -> FILE:
/bcm2709-rpi-2-b.dtb SIZE: 23044
14:52:48.748 -> FILE:
/bcm2710-rpi-3-b.dtb SIZE: 24240
14:52:48.748 -> FILE:
/bcm2710-rpi-3-b-plus.dtb SIZE: 24503
14:52:48.748 -> FILE:
/bcm2710-rpi-cm3.dtb SIZE: 22952
14:52:48.748 -> FILE: /bootcode.bin
SIZE: 52064
14:52:48.748 -> FILE: /BUILD-DATA SIZE:
303
14:52:48.782 -> FILE:
/INSTRUCTIONS-README.txt SIZE: 2356
14:52:48.782 -> FILE: /recovery.cmdline
SIZE: 85
14:52:48.782 -> FILE: /recovery.elf
SIZE: 673444
14:52:48.782 -> FILE: /recovery.img
SIZE: 2987384
14:52:48.782 -> FILE: /recovery.rfs
SIZE: 28565504
14:52:48.782 -> FILE:
/RECOVERY_FILES_DO_NOT_EDIT SIZE: 0
14:52:48.782 -> FILE: /recovery7.img
SIZE: 3052536
14:52:48.782 -> FILE: /test.txt SIZE:
1048576
14:52:48.782 -> FILE: /foo.txt SIZE: 13
14:52:48.816 -> Creating Dir: /mydir
14:52:48.816 -> Dir created
14:52:48.816 -> Listing directory: /
14:52:48.816 -> DIR : /System Volume
Information
14:52:48.816 -> FILE: /riscos-boot.bin
SIZE: 9728
14:52:48.850 -> DIR : /defaults
14:52:48.850 -> DIR : /os
14:52:48.850 -> DIR : /overlays
14:52:48.850 -> FILE:
/bcm2708-rpi-0-w.dtb SIZE: 22264
14:52:48.850 -> FILE:
/bcm2708-rpi-b.dtb SIZE: 21761
14:52:48.850 -> FILE:
/bcm2708-rpi-b-plus.dtb SIZE: 22020
14:52:48.850 -> FILE: /bcm2708-rpi-cm.dtb
SIZE: 21474
14:52:48.850 -> FILE:
/bcm2709-rpi-2-b.dtb SIZE: 23044
14:52:48.850 -> FILE:
/bcm2710-rpi-3-b.dtb SIZE: 24240
14:52:48.850 -> FILE:
/bcm2710-rpi-3-b-plus.dtb SIZE: 24503
14:52:48.850 -> FILE:
/bcm2710-rpi-cm3.dtb SIZE: 22952
14:52:48.850 -> FILE: /bootcode.bin
SIZE: 52064
14:52:48.885 -> FILE: /BUILD-DATA SIZE:
303
14:52:48.885 -> FILE:
/INSTRUCTIONS-README.txt SIZE: 2356
14:52:48.885 -> FILE: /recovery.cmdline
SIZE: 85
14:52:48.885 -> FILE: /recovery.elf
SIZE: 673444
14:52:48.885 -> FILE: /recovery.img
SIZE: 2987384
14:52:48.885 -> FILE: /recovery.rfs
SIZE: 28565504
14:52:48.885 -> FILE:
/RECOVERY_FILES_DO_NOT_EDIT SIZE: 0
14:52:48.885 -> FILE: /recovery7.img
SIZE: 3052536
14:52:48.885 -> FILE: /test.txt SIZE:
1048576
14:52:48.919 -> FILE: /foo.txt SIZE: 13
14:52:48.919 -> DIR : /mydir
14:52:48.919 -> Removing Dir: /mydir
14:52:48.919 -> Dir removed
14:52:48.919 -> Listing directory: /
14:52:48.919 -> DIR : /System Volume
Information
14:52:48.919 -> Listing directory: /System Volume
Information
14:52:48.919 -> FILE: /System Volume
Information/IndexerVolumeGuid SIZE: 76
14:52:48.919 -> FILE: /riscos-boot.bin
SIZE: 9728
14:52:48.919 -> DIR : /defaults
14:52:48.919 -> Listing directory: /defaults
14:52:48.919 -> DIR : /defaults/slides
14:52:48.919 -> Listing directory: /defaults/slides
14:52:48.953 -> FILE:
/defaults/slides/A.PNG SIZE: 40113
14:52:48.953 -> DIR : /os
14:52:48.953 -> Listing directory: /os
14:52:48.953 -> DIR : /os/LibreELEC_RPi
14:52:48.953 -> Listing directory: /os/LibreELEC_RPi
14:52:48.953 -> FILE:
/os/LibreELEC_RPi/LibreELEC_RPi.png SIZE: 840
14:52:48.953 -> FILE:
/os/LibreELEC_RPi/os.json SIZE: 432
14:52:48.953 -> FILE:
/os/LibreELEC_RPi/partitions.json SIZE: 545
14:52:48.953 -> FILE:
/os/LibreELEC_RPi/partition_setup.sh SIZE: 2284
14:52:48.953 -> FILE:
/os/LibreELEC_RPi/README.MD SIZE: 1946
14:52:48.988 -> FILE:
/os/LibreELEC_RPi/release_notes.txt SIZE: 429
14:52:48.988 -> FILE:
/os/LibreELEC_RPi/Storage.tar.xz SIZE: 168
14:52:48.988 -> FILE:
/os/LibreELEC_RPi/System.tar.xz SIZE: 117099424
14:52:48.988 -> DIR :
/os/LibreELEC_RPi/slides
14:52:48.988 -> DIR :
/os/LibreELEC_RPi/slides_vga
14:52:48.988 -> DIR : /os/LibreELEC_RPi2
14:52:48.988 -> Listing directory: /os/LibreELEC_RPi2
14:52:48.988 -> FILE:
/os/LibreELEC_RPi2/LibreELEC_RPi2.png SIZE: 840
14:52:48.988 -> FILE:
/os/LibreELEC_RPi2/os.json SIZE: 374
14:52:48.988 -> FILE: /os/LibreELEC_RPi2/partitions.json
SIZE: 545
14:52:49.023 -> FILE:
/os/LibreELEC_RPi2/partition_setup.sh SIZE: 2284
14:52:49.023 -> FILE:
/os/LibreELEC_RPi2/README.MD SIZE: 1946
14:52:49.023 -> FILE:
/os/LibreELEC_RPi2/release_notes.txt SIZE: 429
14:52:49.023 -> FILE:
/os/LibreELEC_RPi2/Storage.tar.xz SIZE: 168
14:52:49.023 -> FILE:
/os/LibreELEC_RPi2/System.tar.xz SIZE: 117044060
14:52:49.023 -> DIR :
/os/LibreELEC_RPi2/slides
14:52:49.058 -> DIR :
/os/LibreELEC_RPi2/slides_vga
14:52:49.058 -> DIR : /os/Raspbian
14:52:49.058 -> Listing directory: /os/Raspbian
14:52:49.058 -> FILE:
/os/Raspbian/boot.tar.xz SIZE: 13132916
14:52:49.058 -> FILE:
/os/Raspbian/os.json SIZE: 424
14:52:49.058 -> FILE:
/os/Raspbian/partitions.json SIZE: 537
14:52:49.058 -> FILE:
/os/Raspbian/partition_setup.sh SIZE: 745
14:52:49.058 -> FILE:
/os/Raspbian/Raspbian.png SIZE: 1662
14:52:49.058 -> FILE:
/os/Raspbian/release_notes.txt SIZE: 14150
14:52:49.058 -> FILE:
/os/Raspbian/root.tar.xz SIZE: 1294957924
14:52:49.092 -> DIR : /os/Raspbian/slides_vga
14:52:49.092 -> DIR : /overlays
14:52:49.092 -> Listing directory: /overlays
14:52:49.092 -> FILE:
/overlays/adau1977-adc.dtbo SIZE: 1027
14:52:49.092 -> FILE:
/overlays/adau7002-simple.dtbo SIZE: 1587
14:52:49.092 -> FILE:
/overlays/ads1015.dtbo SIZE: 2425
14:52:49.092 -> FILE:
/overlays/ads1115.dtbo SIZE: 2425
14:52:49.092 -> FILE:
/overlays/ads7846.dtbo SIZE: 2426
14:52:49.092 -> FILE: /overlays/akkordion-iqdacplus.dtbo
SIZE: 1387
14:52:49.092 -> FILE:
/overlays/allo-boss-dac-pcm512x-audio.dtbo SIZE: 1473
14:52:49.126 -> FILE:
/overlays/allo-digione.dtbo SIZE: 1208
14:52:49.126 -> FILE:
/overlays/allo-piano-dac-pcm512x-audio.dtbo SIZE: 1011
14:52:49.126 -> FILE:
/overlays/allo-piano-dac-plus-pcm512x-audio.dtbo SIZE: 1585
14:52:49.126 -> FILE:
/overlays/applepi-dac.dtbo SIZE: 1454
14:52:49.126 -> FILE:
/overlays/at86rf233.dtbo SIZE: 1668
14:52:49.126 -> FILE: /overlays/audioinjector-addons.dtbo
SIZE: 2144
14:52:49.126 -> FILE:
/overlays/audioinjector-wm8731-audio.dtbo SIZE: 787
14:52:49.161 -> FILE:
/overlays/audremap.dtbo SIZE: 575
14:52:49.161 -> FILE:
/overlays/bmp085_i2c-sensor.dtbo SIZE: 449
14:52:49.161 -> FILE:
/overlays/dht11.dtbo SIZE: 983
14:52:49.161 -> FILE:
/overlays/dionaudio-loco-v2.dtbo SIZE: 1027
14:52:49.161 -> FILE:
/overlays/dionaudio-loco.dtbo SIZE: 663
14:52:49.161 -> FILE:
/overlays/dpi18.dtbo SIZE: 765
14:52:49.161 -> FILE: /overlays/dpi24.dtbo
SIZE: 789
14:52:49.195 -> FILE:
/overlays/dwc-otg.dtbo SIZE: 423
14:52:49.195 -> FILE:
/overlays/dwc2.dtbo SIZE: 856
14:52:49.195 -> FILE:
/overlays/enc28j60-spi2.dtbo SIZE: 1279
14:52:49.195 -> FILE:
/overlays/enc28j60.dtbo SIZE: 1403
14:52:49.195 -> FILE:
/overlays/exc3000.dtbo SIZE: 1562
14:52:49.195 -> FILE:
/overlays/fe-pi-audio.dtbo SIZE: 1932
14:52:49.195 -> FILE:
/overlays/goodix.dtbo SIZE: 1437
14:52:49.195 -> FILE:
/overlays/googlevoicehat-soundcard.dtbo SIZE: 1259
14:52:49.195 -> FILE:
/overlays/gpio-ir-tx.dtbo SIZE: 1096
14:52:49.230 -> FILE:
/overlays/gpio-ir.dtbo SIZE: 1212
14:52:49.230 -> FILE:
/overlays/gpio-key.dtbo SIZE: 1373
14:52:49.230 -> FILE:
/overlays/gpio-poweroff.dtbo SIZE: 901
14:52:49.230 -> FILE:
/overlays/gpio-shutdown.dtbo SIZE: 1250
14:52:49.230 -> FILE:
/overlays/hifiberry-amp.dtbo SIZE: 779
14:52:49.230 -> FILE:
/overlays/hifiberry-dac.dtbo SIZE: 655
14:52:49.230 -> FILE:
/overlays/hifiberry-dacplus.dtbo SIZE: 1693
14:52:49.230 -> FILE:
/overlays/hifiberry-digi-pro.dtbo SIZE: 1125
14:52:49.265 -> FILE:
/overlays/hifiberry-digi.dtbo SIZE: 959
14:52:49.265 -> FILE:
/overlays/hy28a.dtbo SIZE: 2468
14:52:49.265 -> FILE:
/overlays/hy28b.dtbo SIZE: 2939
14:52:49.265 -> FILE:
/overlays/i2c-bcm2708.dtbo SIZE: 270
14:52:49.265 -> FILE:
/overlays/i2c-gpio.dtbo SIZE: 1035
14:52:49.265 -> FILE:
/overlays/i2c-mux.dtbo SIZE: 2185
14:52:49.265 -> FILE: /overlays/i2c-pwm-pca9685a.dtbo
SIZE: 644
14:52:49.300 -> FILE:
/overlays/i2c-rtc-gpio.dtbo SIZE: 4143
14:52:49.300 -> FILE:
/overlays/i2c-rtc.dtbo SIZE: 3765
14:52:49.300 -> FILE:
/overlays/i2c-sensor.dtbo SIZE: 4402
14:52:49.300 -> FILE: /overlays/i2c0-bcm2708.dtbo
SIZE: 1182
14:52:49.300 -> FILE:
/overlays/i2c1-bcm2708.dtbo SIZE: 805
14:52:49.300 -> FILE:
/overlays/i2s-gpio28-31.dtbo SIZE: 343
14:52:49.334 -> FILE:
/overlays/iqaudio-dac.dtbo SIZE: 1272
14:52:49.334 -> FILE: /overlays/iqaudio-dacplus.dtbo
SIZE: 1511
14:52:49.334 -> FILE:
/overlays/iqaudio-digi-wm8804-audio.dtbo SIZE: 1326
14:52:49.334 -> FILE:
/overlays/jedec-spi-nor.dtbo SIZE: 5212
14:52:49.334 -> FILE:
/overlays/justboom-dac.dtbo SIZE: 1276
14:52:49.368 -> FILE:
/overlays/justboom-digi.dtbo SIZE: 955
14:52:49.368 -> FILE:
/overlays/lirc-rpi.dtbo SIZE: 1348
14:52:49.368 -> FILE:
/overlays/mbed-dac.dtbo SIZE: 1605
14:52:49.368 -> FILE: /overlays/mcp23017.dtbo
SIZE: 1329
14:52:49.368 -> FILE:
/overlays/mcp23s17.dtbo SIZE: 15229
FILE: /overlays/mcp2515-can0.dtbo SIZE: 1833
14:52:49.403 -> FILE:
/overlays/mcp2515-can1.dtbo SIZE: 1833
14:52:49.403 -> FILE:
/overlays/mcp3008.dtbo SIZE: 4237
14:52:49.403 -> FILE:
/overlays/mcp3202.dtbo SIZE: 4237
14:52:49.403 -> FILE:
/overlays/media-center.dtbo SIZE: 3438
14:52:49.438 -> FILE:
/overlays/midi-uart0.dtbo SIZE: 720
14:52:49.438 -> FILE:
/overlays/midi-uart1.dtbo SIZE: 857
14:52:49.438 -> FILE:
/overlays/mmc.dtbo SIZE: 1099
14:52:49.438 -> FILE:
/overlays/mpu6050.dtbo SIZE: 796
14:52:49.438 -> FILE:
/overlays/mz61581.dtbo SIZE: 2850
14:52:49.472 -> FILE:
/overlays/papirus.dtbo SIZE: 2356
14:52:49.472 -> FILE: /overlays/pi3-act-led.dtbo
SIZE: 569
14:52:49.472 -> FILE:
/overlays/pi3-disable-bt.dtbo SIZE: 818
FILE: /overlays/pi3-disable-wifi.dtbo SIZE: 265
14:52:49.506 -> FILE:
/overlays/pi3-miniuart-bt.dtbo SIZE: 1446
14:52:49.506 -> FILE: /overlays/pibell.dtbo
SIZE: 2334
14:52:49.506 -> FILE:
/overlays/piscreen.dtbo SIZE: 2713
14:52:49.506 -> FILE:
/overlays/piscreen2r.dtbo SIZE: 2617
14:52:49.540 -> FILE:
/overlays/pisound.dtbo SIZE: 2454
14:52:49.540 -> FILE:
/overlays/pitft22.dtbo SIZE: 1544
14:52:49.540 -> FILE:
/overlays/pitft28-capacitive.dtbo SIZE: 2385
14:52:49.540 -> FILE:
/overlays/pitft28-resistive.dtbo SIZE: 2802
14:52:49.575 -> FILE:
/overlays/pitft35-resistive.dtbo SIZE: 2802
14:52:49.575 -> FILE:
/overlays/pps-gpio.dtbo SIZE: 1145
14:52:49.575 -> FILE:
/overlays/pwm-2chan.dtbo SIZE: 1057
FILE: /overlays/pwm-ir-tx.dtbo SIZE: 1031
14:52:49.609 -> FILE:
/overlays/pwm.dtbo SIZE: 946
14:52:49.609 -> FILE:
/overlays/qca7000.dtbo SIZE: 1315
14:52:49.609 -> FILE:
/overlays/raspidac3.dtbo SIZE: 1301
FILE: /overlays/README SIZE: 79565
14:52:49.644 -> FILE:
/overlays/rotary-encoder.dtbo SIZE: 1922
14:52:49.644 -> FILE:
/overlays/rpi-backlight.dtbo SIZE: 489
14:52:49.644 -> FILE:
/overlays/rpi-cirrus-wm5102.dtbo SIZE: 3406
14:52:49.678 -> FILE:
/overlays/rpi-dac.dtbo SIZE: 643
14:52:49.678 -> FILE:
/overlays/rpi-display.dtbo SIZE: 2598
14:52:49.678 -> FILE:
/overlays/rpi-ft5406.dtbo SIZE: 1018
FILE: /overlays/rpi-proto.dtbo SIZE: 771
14:52:49.712 -> FILE:
/overlays/rpi-sense.dtbo SIZE: 893
14:52:49.712 -> FILE:
/overlays/rpi-tv.dtbo SIZE: 499
FILE: /overlays/rra-digidac1-wm8741-audio.dtbo
SIZE: 1298
14:52:49.746 -> FILE:
/overlays/sc16is750-i2c.dtbo SIZE: 1174
14:52:49.746 -> FILE:
/overlays/sc16is752-i2c.dtbo SIZE: 1344
14:52:49.746 -> FILE:
/overlays/sc16is752-spi1.dtbo SIZE: 1875
14:52:49.781 -> FILE:
/overlays/sdhost.dtbo SIZE: 846
14:52:49.781 -> FILE:
/overlays/sdio-1bit.dtbo SIZE: 1729
14:52:49.781 -> FILE:
/overlays/sdio.dtbo SIZE: 1797
FILE: /overlays/sdtweak.dtbo SIZE: 699
14:52:49.815 -> FILE:
/overlays/smi-dev.dtbo SIZE: 376
14:52:49.815 -> FILE:
/overlays/smi-nand.dtbo SIZE: 1508
14:52:49.849 -> FILE: /overlays/smi.dtbo
SIZE: 981
14:52:49.849 -> FILE:
/overlays/spi-gpio35-39.dtbo SIZE: 666
14:52:49.849 -> FILE:
/overlays/spi-rtc.dtbo SIZE: 635
FILE: /overlays/spi0-cs.dtbo SIZE: 919
14:52:49.887 -> FILE:
/overlays/spi0-hw-cs.dtbo SIZE: 492
14:52:49.887 -> FILE:
/overlays/spi1-1cs.dtbo SIZE: 1547
FILE: /overlays/spi1-2cs.dtbo SIZE: 1920
14:52:49.917 -> FILE:
/overlays/spi1-3cs.dtbo SIZE: 2293
14:52:49.917 -> FILE:
/overlays/spi2-1cs.dtbo SIZE: 1547
14:52:49.951 -> FILE: /overlays/spi2-2cs.dtbo
SIZE: 1920
14:52:49.951 -> FILE:
/overlays/spi2-3cs.dtbo SIZE: 2293
14:52:49.951 -> FILE:
/overlays/superaudioboard.dtbo SIZE: 1968
14:52:49.985 -> FILE:
/overlays/sx150x.dtbo SIZE: 35594
14:52:49.985 -> FILE: /overlays/tinylcd35.dtbo
SIZE: 4878
14:52:49.985 -> FILE:
/overlays/uart0.dtbo SIZE: 928
14:52:50.019 -> FILE:
/overlays/uart1.dtbo SIZE: 980
14:52:50.019 -> FILE:
/overlays/upstream-aux-interrupt.dtbo SIZE: 715
FILE: /overlays/upstream.dtbo SIZE: 3215
14:52:50.053 -> FILE:
/overlays/vc4-fkms-v3d.dtbo SIZE: 1412
14:52:50.053 -> FILE:
/overlays/vc4-kms-v3d.dtbo SIZE: 2367
FILE: /overlays/vga666.dtbo SIZE: 758
14:52:50.088 -> FILE:
/overlays/w1-gpio-pullup.dtbo SIZE: 1251
14:52:50.088 -> FILE: /overlays/w1-gpio.dtbo
SIZE: 1116
FILE: /overlays/wittypi.dtbo SIZE: 1080
14:52:50.122 -> FILE:
/bcm2708-rpi-0-w.dtb SIZE: 22264
14:52:50.122 -> FILE:
/bcm2708-rpi-b.dtb SIZE: 21761
14:52:50.122 -> FILE:
/bcm2708-rpi-b-plus.dtb SIZE: 22020
14:52:50.122 -> FILE:
/bcm2708-rpi-cm.dtb SIZE: 21474
14:52:50.122 -> FILE:
/bcm2709-rpi-2-b.dtb SIZE: 23044
14:52:50.122 -> FILE:
/bcm2710-rpi-3-b.dtb SIZE: 24240
14:52:50.122 -> FILE:
/bcm2710-rpi-3-b-plus.dtb SIZE: 24503
14:52:50.156 -> FILE: /bcm2710-rpi-cm3.dtb
SIZE: 22952
14:52:50.156 -> FILE: /bootcode.bin
SIZE: 52064
14:52:50.156 -> FILE: /BUILD-DATA SIZE:
303
14:52:50.156 -> FILE:
/INSTRUCTIONS-README.txt SIZE: 2356
14:52:50.156 -> FILE: /recovery.cmdline
SIZE: 85
14:52:50.156 -> FILE: /recovery.elf
SIZE: 673444
14:52:50.156 -> FILE: /recovery.img
SIZE: 2987384
14:52:50.156 -> FILE: /recovery.rfs
SIZE: 28565504
14:52:50.156 -> FILE:
/RECOVERY_FILES_DO_NOT_EDIT SIZE: 0
14:52:50.189 -> FILE: /recovery7.img
SIZE: 3052536
14:52:50.189 -> FILE: /test.txt SIZE:
1048576
14:52:50.189 -> FILE: /foo.txt SIZE: 13
14:52:50.189 -> Writing file: /hello.txt
14:52:50.189 -> File written
14:52:50.189 -> Appending to file: /hello.txt
14:52:50.189 -> Message appended
14:52:50.189 -> Reading file: /hello.txt
14:52:50.189 -> Read from file: Hello World!
14:52:50.189 -> Deleting file: /foo.txt
File deleted
14:52:50.223 -> Renaming file /hello.txt to /foo.txt
14:52:50.223 -> File renamed
14:52:50.223 -> Reading file: /foo.txt
14:52:50.223 -> Read from file: Hello World!
1048576 bytes read for 710 ms
1048576 bytes written for 1785 ms