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
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