odroid u3 와 eMMC 테스트

eMMC로 부팅을 해보니 14.04 LTS가 반겨준다.

걍 쓸까....

Welcome to Ubuntu 14.04 LTS (GNU/Linux 3.8.13.23 armv7l

일단 업데이트 하려는데 용량 부족해서 파티션 리사이즈 부터 하고

$ df -h Filesystem      Size  Used Avail Use% Mounted on /dev/mmcblk0p2  3.3G  3.1G   78M  98% / none            4.0K     0  4.0K   0% /sys/fs/cgroup udev            883M  4.0K  883M   1% /dev tmpfs          1012M  4.0K 1012M   1% /tmp tmpfs           203M  2.8M  200M   2% /run none            5.0M     0  5.0M   0% /run/lock none           1012M   72K 1012M   1% /run/shm none            100M   20K  100M   1% /run/user /dev/mmcblk0p1  129M  8.8M  120M   7% /boot

$ df -h Filesystem      Size  Used Avail Use% Mounted on /dev/mmcblk0p2  7.0G  3.1G  3.7G  46% / none            4.0K     0  4.0K   0% /sys/fs/cgroup udev            883M  4.0K  883M   1% /dev tmpfs          1012M  8.0K 1012M   1% /tmp tmpfs           203M  2.8M  200M   2% /run none            5.0M     0  5.0M   0% /run/lock none           1012M   72K 1012M   1% /run/shm none            100M   20K  100M   1% /run/user /dev/mmcblk0p1  129M  8.8M  120M   7% /boot

mmc로 검색한 내용

$ dmesg | grep -i mmc [    0.000000] Kernel command line: console=tty1 console=ttySAC1,115200 mem=2047M console=tty1 console=ttySAC1,115200n8 root=/dev/mmcblk0p2 rootwait ro mem=2047M [    0.220744] LDO4 VDDQ_MMC2_2V8: 2800 mV [    0.222148] LDO5 VDDQ_MMC1_1V8: 1800 mV [    0.240231] vddq_emmc_1V8: 1800 <--> 3000 mV at 1800 mV [    0.243019] vddf_emmc_2V85: 2850 mV [    2.642800] s3c-sdhci exynos4-sdhci.2: clock source 2: mmc_busclk.2 (440000000 Hz) [    2.642861] mmc0: no vqmmc regulator found [    2.642869] mmc0: no vmmc regulator found [    2.779913] mmc0: SDHCI controller on samsung-hsmmc [exynos4-sdhci.2] using ADMA [    2.790993] dw_mmc dw_mmc: Using internal DMA controller. [    2.829916] DWMMC: Div 2 = 130 [    2.829942] dw_mmc dw_mmc: Version ID is 240a [    2.829949] dw_mmc dw_mmc: DW MMC controller at irq 109, 32 bit host data width, 128 deep fifo [    2.887456] mmc_host mmc1: Bus speed (slot 0) = 104000000Hz (slot req 400000Hz, actual 400000HZ div = 130) [    2.951776] mmc1: BKOPS_EN bit is not set [    2.952915] DWMMC: Div 2 = 1 [    2.952924] mmc_host mmc1: Bus speed (slot 0) = 104000000Hz (slot req 52000000Hz, actual 52000000HZ div = 1) [    2.953324] mmc1: new high speed DDR MMC card at address 0001 [    2.953647] mmcblk0: mmc1:0001 008G92 7.28 GiB [    2.953815] mmcblk0boot0: mmc1:0001 008G92 partition 1 4.00 MiB [    2.953986] mmcblk0boot1: mmc1:0001 008G92 partition 2 4.00 MiB [    2.954144] mmcblk0rpmb: mmc1:0001 008G92 partition 3 512 KiB [    2.954998]  mmcblk0: p1 p2 [    2.956512]  mmcblk0boot1: unknown partition table [    2.957560]  mmcblk0boot0: unknown partition table [    3.340926] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [    3.901693] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro

심심해서 부팅 이후에 sd 메모리 삽입

$ dmesg [  476.879128] mmc0: new high speed SDHC card at address aaaa [  476.879463] mmcblk1: mmc0:aaaa SU16G 14.8 GiB [  476.889687]  mmcblk1: p1 p2

$ ll /dev/mmcblk* brw-rw---- 1 root disk 179,  0 Oct  8 00:34 /dev/mmcblk0 brw-rw---- 1 root disk 179,  8 Oct  8 00:34 /dev/mmcblk0boot0 brw-rw---- 1 root disk 179, 16 Oct  8 00:34 /dev/mmcblk0boot1 brw-rw---- 1 root disk 179,  1 Oct  8 00:34 /dev/mmcblk0p1 brw-rw---- 1 root disk 179,  2 Oct  8 00:34 /dev/mmcblk0p2 brw-rw---- 1 root disk 179, 24 Oct  8 00:34 /dev/mmcblk0rpmb brw-rw---- 1 root disk 179, 32 Oct  8 00:42 /dev/mmcblk1 brw-rw---- 1 root disk 179, 33 Oct  8 00:42 /dev/mmcblk1p1 brw-rw---- 1 root disk 179, 34 Oct  8 00:42 /dev/mmcblk1p2

$ sudo fdisk /dev/mmcblk1 Command (m for help): p Disk /dev/mmcblk1: 15.9 GB, 15931539456 bytes 4 heads, 16 sectors/track, 486192 cylinders, total 31116288 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000c4046         Device Boot      Start         End      Blocks   Id  System /dev/mmcblk1p1            3072      266239      131584    6  FAT16 /dev/mmcblk1p2          266240    31115264    15424512+  83  Linux

sysbench

$ sysbench --test=fileio --file-total-size=1G --file-test-mode=rndrw --init-rng=on --max-time=3 00 --max-requests=0 run sysbench 0.4.12:  multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 1 Initializing random number generator from timer. Extra file open flags: 0 128 files, 8Mb each 1Gb total file size Block size 16Kb Number of random requests for random IO: 0 Read/Write ratio for combined random IO test: 1.50 Periodic FSYNC enabled, calling fsync() each 100 requests. Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random r/w test Threads started! Time limit exceeded, exiting... Done. Operations performed:  124560 Read, 83040 Write, 265687 Other = 473287 Total Read 1.9006Gb  Written 1.2671Gb  Total transferred 3.1677Gb  (10.812Mb/sec)   691.96 Requests/sec executed Test execution summary:     total time:                          300.0160s     total number of events:              207600     total time taken by event execution: 5.6715     per-request statistics:          min:                                  0.01ms          avg:                                  0.03ms          max:                                  5.62ms          approx.  95 percentile:               0.04ms Threads fairness:     events (avg/stddev):           207600.0000/0.00     execution time (avg/stddev):   5.6715/0.00

와... SD에 비하면 비교가 안되네

Read 6.5625Mb  Written 4.375Mb  Total transferred 10.938Mb  (37.305Kb/sec)          max:                               2365.06ms

2016/09/05 - [embeded/odroid] - odroid sysbench fileio