diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2019-12-23 14:27:52 +0900 |
---|---|---|
committer | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2019-12-23 14:27:52 +0900 |
commit | dc71f3518c95f8d9d306e8a4e53bc9bd2e9928e3 (patch) | |
tree | 54552f6ba6cec40e16cef5c22043d9f510087e00 /wiki/EMMC-speed-raw-data.wiki | |
parent | bb506a3f4c5441ecb212874077ad8b1bf335c936 (diff) | |
parent | 05040a728026b28ce7c6183d2adfa80218b306cb (diff) |
Merge remote-tracking branch 'gitlab/wiki' into HEAD
Diffstat (limited to 'wiki/EMMC-speed-raw-data.wiki')
-rw-r--r-- | wiki/EMMC-speed-raw-data.wiki | 676 |
1 files changed, 676 insertions, 0 deletions
diff --git a/wiki/EMMC-speed-raw-data.wiki b/wiki/EMMC-speed-raw-data.wiki new file mode 100644 index 0000000..ae6b2ea --- /dev/null +++ b/wiki/EMMC-speed-raw-data.wiki @@ -0,0 +1,676 @@ +h1. EMMC-speed-raw-data + +h2. Preface + +Testing of HS200 using kernel v5.0 and HS400 using renesas-devel-20190306-v5.0 on +the following boards: + +* E3 1.0 / Ebisu-4D +* H3 ES2.0 / Salvator-XS +* M3-W / Salvator-X +* M3-N / Salvator-XS + + +h2. renesas-devel-20190306-v5.0 + +h3. E3 1.0 / Ebisu-4D + +* dmesg | grep mmc0 +[ 2.977456] renesas_sdhi_internal_dmac ee160000.sd: mmc0 base at 0xee160000 max clock rate 200 MHz +[ 3.061607] mmc0: new HS400 MMC card at address 0001 +[ 3.072077] mmcblk0: mmc0:0001 BGSD3R 29.1 GiB +[ 3.077188] mmcblk0boot0: mmc0:0001 BGSD3R partition 1 16.0 MiB +[ 3.087688] mmcblk0boot1: mmc0:0001 BGSD3R partition 2 16.0 MiB +[ 3.094290] mmcblk0rpmb: mmc0:0001 BGSD3R partition 3 4.00 MiB, chardev (243:0) +* cat /sys/kernel/debug/mmc0/ios +clock: 200000000 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: 3 (8 bits) +timing spec: 10 (mmc HS400) +signal voltage: 1 (1.80 V) +driver type: 0 (driver type B) +* cat /sys/devices/platform/soc/ee160000.sd/mmc_host/mmc0/mmc0:0001/cid +150100424753443352074e1b520e1500 + +h4. Read from MMC, direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 6.19636 s, 86.6 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 4.3704 s, 123 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 5.59537 s, 95.9 MB/s + +h4. Read from MMC, no direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.74477 s, 143 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.73702 s, 144 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.75046 s, 143 MB/s + +h4. Write to MMC, direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 8.98055 s, 59.8 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.087 s, 53.2 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 8.76716 s, 61.2 MB/s + +h4. Write to MMC, no direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 26.3785 s, 20.4 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 25.7717 s, 20.8 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 25.5235 s, 21.0 MB/s + +h3. H3 ES2.0 / Salvator-XS + +* dmesg | grep mmc0 +[ 3.638737] renesas_sdhi_internal_dmac ee140000.sd: mmc0 base at 0xee140000 max clock rate 200 MHz +[ 3.726050] mmc0: new HS400 MMC card at address 0001 +[ 3.734480] mmcblk0: mmc0:0001 BGSD3R 29.1 GiB +[ 3.744840] mmcblk0boot0: mmc0:0001 BGSD3R partition 1 16.0 MiB +[ 3.755265] mmcblk0boot1: mmc0:0001 BGSD3R partition 2 16.0 MiB +[ 3.765367] mmcblk0rpmb: mmc0:0001 BGSD3R partition 3 4.00 MiB, chardev (243:0) +* cat /sys/kernel/debug/mmc0/ios +clock: 200000000 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: 3 (8 bits) +timing spec: 10 (mmc HS400) +signal voltage: 1 (1.80 V) +driver type: 0 (driver type B) +* cat /sys/devices/platform/soc/ee140000.sd/mmc_host/mmc0/mmc0:0001/cid +1501004247534433520760a14ca96300 + +h4. Read from MMC, direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 18.7236 s, 28.7 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 16.0568 s, 33.4 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 13.5902 s, 39.5 MB/s + +h4. Read from MMC, no direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.25914 s, 165 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.2559 s, 165 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.27348 s, 164 MB/s + +h4. Write to MMC, direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 13.7446 s, 39.1 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 14.255 s, 37.7 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 16.9957 s, 31.6 MB/s + +h4. Write to MMC, no direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 20.9244 s, 25.7 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 20.9963 s, 25.6 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 18.3432 s, 29.3 MB/s + +h3. M3-W / Salvator-X + +* dmesg | grep mmc0 +[ 2.908701] renesas_sdhi_internal_dmac ee140000.sd: mmc0 base at 0xee140000 max clock rate 200 MHz +[ 3.028399] mmc0: new HS400 MMC card at address 0001 +[ 3.038233] mmcblk0: mmc0:0001 BGSD3R 29.1 GiB +[ 3.046540] mmcblk0boot0: mmc0:0001 BGSD3R partition 1 16.0 MiB +[ 3.060175] mmcblk0boot1: mmc0:0001 BGSD3R partition 2 16.0 MiB +[ 3.072615] mmcblk0rpmb: mmc0:0001 BGSD3R partition 3 4.00 MiB, chardev (243:0) +* cat /sys/kernel/debug/mmc0/ios +clock: 200000000 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: 3 (8 bits) +timing spec: 10 (mmc HS400) +signal voltage: 1 (1.80 V) +driver type: 0 (driver type B) +* cat /sys/devices/platform/soc/ee140000.sd/mmc_host/mmc0/mmc0:0001/cid +15010042475344335207e3d561ae8300 + +h4. Read from MMC, direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.2969 s, 52.1 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.736 s, 50.0 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 12.3474 s, 43.5 MB/s + +h4. Read from MMC, no direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 2.41708 s, 222 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 2.30209 s, 233 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 2.42179 s, 222 MB/s + +h4. Write to MMC, direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 7.41429 s, 72.4 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 8.75909 s, 61.3 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 9.18989 s, 58.4 MB/s + +h4. Write to MMC, no direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 18.7652 s, 28.6 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 18.7519 s, 28.6 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 18.0232 s, 29.8 MB/s + +h3. M3-N / Salvator-XS + +* dmesg | grep mmc0 +[ 3.138064] renesas_sdhi_internal_dmac ee140000.sd: mmc0 base at 0xee140000 max clock rate 200 MHz +[ 3.322792] mmc0: new HS200 MMC card at address 0001 +[ 3.328545] mmcblk0: mmc0:0001 eMMC 28.8 GiB +[ 3.333443] mmcblk0boot0: mmc0:0001 eMMC partition 1 4.00 MiB +[ 3.339705] mmcblk0boot1: mmc0:0001 eMMC partition 2 4.00 MiB +[ 3.351206] mmcblk0rpmb: mmc0:0001 eMMC partition 3 4.00 MiB, chardev (243:0) +* cat /sys/kernel/debug/mmc0/ios +clock: 200000000 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: 3 (8 bits) +timing spec: 9 (mmc HS200) +signal voltage: 1 (1.80 V) +driver type: 0 (driver type B) +* cat /sys/devices/platform/soc/ee140000.sd/mmc_host/mmc0/mmc0:0001/cid +89010a654d4d4320200126140246b200 + +h4. Read from MMC, direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 16.0305 s, 33.5 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 16.4025 s, 32.7 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.3156 s, 52.0 MB/s + +h4. Read from MMC, no direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 4.39188 s, 122 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 4.5587 s, 118 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 4.73909 s, 113 MB/s + +h4. Write to MMC, direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 25.9352 s, 20.7 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 13.8409 s, 38.8 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 14.2439 s, 37.7 MB/s + +h4. Write to MMC, no direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 33.2101 s, 16.2 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 33.1642 s, 16.2 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 33.1741 s, 16.2 MB/s + +h2. v5.0 + +h3. E3 1.0 / Ebisu-4D + +* dmesg | grep mmc0 +[ 2.913485] renesas_sdhi_internal_dmac ee160000.sd: mmc0 base at 0xee160000 max clock rate 200 MHz +[ 2.997527] mmc0: new HS200 MMC card at address 0001 +[ 3.007954] mmcblk0: mmc0:0001 BGSD3R 29.1 GiB +[ 3.013098] mmcblk0boot0: mmc0:0001 BGSD3R partition 1 16.0 MiB +[ 3.023460] mmcblk0boot1: mmc0:0001 BGSD3R partition 2 16.0 MiB +[ 3.030193] mmcblk0rpmb: mmc0:0001 BGSD3R partition 3 4.00 MiB, chardev (243:0) +* cat /sys/kernel/debug/mmc0/ios +clock: 200000000 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: 3 (8 bits) +timing spec: 9 (mmc HS200) +signal voltage: 1 (1.80 V) +driver type: 0 (driver type B) +* cat /sys/devices/platform/soc/ee160000.sd/mmc_host/mmc0/mmc0:0001/cid +150100424753443352074e1b520e1500 + +h4. Read from MMC, direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 17.5103 s, 30.7 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 6.28591 s, 85.4 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 13.8617 s, 38.7 MB/s + +h4. Read from MMC, no direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.90563 s, 137 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.88221 s, 138 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.90208 s, 138 MB/s + +h4. Write to MMC, direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 16.3188 s, 32.9 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 12.5534 s, 42.8 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 12.7248 s, 42.2 MB/s + +h4. Write to MMC, no direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 26.37 s, 20.4 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 26.3305 s, 20.4 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 27.0765 s, 19.8 MB/s + +h3. H3 ES2.0 / Salvator-XS + +* dmesg | grep mmc0 +[ 3.639006] renesas_sdhi_internal_dmac ee140000.sd: mmc0 base at 0xee140000 max clock rate 200 MHz +[ 3.722240] mmc0: new HS200 MMC card at address 0001 +[ 3.727982] mmcblk0: mmc0:0001 BGSD3R 29.1 GiB +[ 3.732859] mmcblk0boot0: mmc0:0001 BGSD3R partition 1 16.0 MiB +[ 3.739120] mmcblk0boot1: mmc0:0001 BGSD3R partition 2 16.0 MiB +[ 3.745221] mmcblk0rpmb: mmc0:0001 BGSD3R partition 3 4.00 MiB, chardev (243:0) +* cat /sys/kernel/debug/mmc0/ios +clock: 200000000 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: 3 (8 bits) +timing spec: 9 (mmc HS200) +signal voltage: 1 (1.80 V) +driver type: 0 (driver type B) +* cat /sys/devices/platform/soc/ee140000.sd/mmc_host/mmc0/mmc0:0001/cid +1501004247534433520760a14ca96300 + +h4. Read from MMC, direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 20.471 s, 26.2 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 19.5774 s, 27.4 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 15.4084 s, 34.8 MB/s + +h4. Read from MMC, no direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 4.19071 s, 128 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 4.18751 s, 128 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 4.19751 s, 128 MB/s + +h4. Write to MMC, direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 16.5855 s, 32.4 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 17.1501 s, 31.3 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 17.2643 s, 31.1 MB/s + +h4. Write to MMC, no direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 22.0624 s, 24.3 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 22.0098 s, 24.4 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 20.5633 s, 26.1 MB/s + +h3. M3-W / Salvator-X + +* dmesg | grep mmc0 +[ 3.137959] renesas_sdhi_internal_dmac ee140000.sd: mmc0 base at 0xee140000 max clock rate 200 MHz +[ 3.256875] mmc0: new HS200 MMC card at address 0001 +[ 3.262728] mmcblk0: mmc0:0001 eMMC 28.8 GiB +[ 3.267669] mmcblk0boot0: mmc0:0001 eMMC partition 1 4.00 MiB +[ 3.280205] mmcblk0boot1: mmc0:0001 eMMC partition 2 4.00 MiB +[ 3.293733] mmcblk0rpmb: mmc0:0001 eMMC partition 3 4.00 MiB, chardev (243:0) +* cat /sys/kernel/debug/mmc0/ios +clock: 200000000 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: 3 (8 bits) +timing spec: 9 (mmc HS200) +signal voltage: 1 (1.80 V) +driver type: 0 (driver type B) +* cat /sys/devices/platform/soc/ee140000.sd/mmc_host/mmc0/mmc0:0001/cid +89010a654d4d4320200126140246b200 + +h4. Read from MMC, direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 15.1949 s, 35.3 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.8901 s, 49.3 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 16.583 s, 32.4 MB/s + +h4. Read from MMC, no direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.5155 s, 51.1 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.5016 s, 51.1 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.5351 s, 51.0 MB/s + +h4. Write to MMC, direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 23.6249 s, 22.7 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 19.8348 s, 27.1 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 20.4312 s, 26.3 MB/s + +h4. Write to MMC, no direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 30.4137 s, 17.7 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 33.1452 s, 16.2 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 33.0829 s, 16.2 MB/s + +h3. M3-N / Salvator-XS + +* dmesg | grep mmc0 +[ 2.911377] renesas_sdhi_internal_dmac ee140000.sd: mmc0 base at 0xee140000 max clock rate 200 MHz +[ 3.008909] mmc0: new HS200 MMC card at address 0001 +[ 3.018096] mmcblk0: mmc0:0001 BGSD3R 29.1 GiB +[ 3.026954] mmcblk0boot0: mmc0:0001 BGSD3R partition 1 16.0 MiB +[ 3.033266] mmcblk0boot1: mmc0:0001 BGSD3R partition 2 16.0 MiB +[ 3.039519] mmcblk0rpmb: mmc0:0001 BGSD3R partition 3 4.00 MiB, chardev (243:0) +* cat /sys/kernel/debug/mmc0/ios +clock: 200000000 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: 3 (8 bits) +timing spec: 9 (mmc HS200) +signal voltage: 1 (1.80 V) +driver type: 0 (driver type B) +* cat /sys/devices/platform/soc/ee140000.sd/mmc_host/mmc0/mmc0:0001/cid +15010042475344335207e3d561ae8300 + +h4. Read from MMC, direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 9.14324 s, 58.7 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 5.08557 s, 106 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 7.94226 s, 67.6 MB/s + +h4. Read from MMC, no direct + +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.35788 s, 160 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.29605 s, 163 MB/s +# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 3.36475 s, 160 MB/s + +h4. Write to MMC, direct + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 10.7108 s, 50.1 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 11.0851 s, 48.4 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 7.36998 s, 72.8 MB/s + +h4. Write to MMC, nodirect + +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 19.7179 s, 27.2 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 19.6944 s, 27.3 MB/s +# dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 +512+0 records in +512+0 records out +536870912 bytes (537 MB) copied, 18.9546 s, 28.3 MB/s + +h2. Test Script + +"Script used for testing":../../wiki/EMMC-speed-raw-data/mmc.sh |