wiki3363: Home page |
Source Tree: #qfuse |---trunk |---setenv.sh |---lib |---fuse, ublio, uuid |---utils |---n |---ntfs-3g, ntfsprogs |---e |---ext2fuse, e2fsprogs |---z |---zfsfuse |---qa |---pjd-fstest |---vendor |---trunk |---lib |---fuse-2.7.4, libublio-20070103 |---utils |---n |---ntfs-3g-2009.4.4, ntfsprogs-2.0.0 |---e |---ext2fuse-src-0.8.1, e2fsprogs-1.41.5 |---z |---zfsfuse |---qa |---pjd-fstest-20090130-RC How to build libfuse and other fs daemon?#
How to run filesystem daemon?#
How to port other filesystem to QNX?#
How to test?#
Benchmark #/* below is test no fs daemon using ublio library*/ $ uname -a QNX localhost 6.3.2 2006/03/16-14:19:50EST x86pc x86 #ext2fuse /home/ext2_256M.fs /ext2 #ntfs-3g /home/ntfs_256M.fs /ntfs #mount -t qnx4 /home/qnx4_256M.fs /qnx4 /* default 8k record testing*/ # rw -t 128M -k /ext2/rw.tmp Sequential File Write/Read Benchmark OS: QNX 6.3.2 x86pc Filesys: disk, fsys Config: 128MiB file, 8KiB record, fd, malloc Create: 10 msec Write: 7783 msec, 475 usec/write(), 89% CPU, 16.83 MiB/sec Read: 9538 msec, 582 usec/read(), 72% CPU, 13.74 MiB/sec # rw -t 128M -k /ntfs/rw.tmp Sequential File Write/Read Benchmark OS: QNX 6.3.2 x86pc Filesys: disk, fsys Config: 128MiB file, 8KiB record, fd, malloc Create: 4 msec Write: 8774 msec, 535 usec/write(), 100% CPU, 14.93 MiB/sec Read: 7164 msec, 437 usec/read(), 61% CPU, 18.29 MiB/sec # rw -t 128M -k /qnx4/rw.tmp Sequential File Write/Read Benchmark OS: QNX 6.3.2 x86pc Filesys: ST340014A, UDMA5, qnx4, 1% full Config: 128MiB file, 8KiB record, fd, fsync, malloc Create: 11 msec Write: 5624 msec, 343 usec/write(), 43% CPU, 23.30 MiB/sec Read: 3812 msec, 232 usec/read(), 58% CPU, 34.38 MiB/secI am disappointed with ext2fuse's performance as ntfs-3g is using FUSE's high level API, every read/write will do inode(resmgr)->pathname(fuse)->inode(ntfs). But ext2fuse has a lot which can be improved also ext2 is not a difficult filesystem. Wireless:#1. ifconfig run0 list wmeAC_BE cwmin 4 cwmax 10 aifs 3 txopLimit 0 cwmin 4 cwmax 10 aifs 3 txopLimit 0 AC_BK cwmin 4 cwmax 10 aifs 7 txopLimit 0 cwmin 4 cwmax 10 aifs 7 txopLimit 0 AC_VI cwmin 3 cwmax 4 aifs 2 txopLimit 94 cwmin 3 cwmax 4 aifs 2 txopLimit 94 AC_VO cwmin 2 cwmax 3 aifs 2 txopLimit 47 cwmin 2 cwmax 3 aifs 2 txopLimit 472. ifconfig run0 list chan Channel 1 : 2412 Mhz 11g Channel 102 : 5510 Mhz 11a Channel 2 : 2417 Mhz 11g Channel 104 : 5520 Mhz 11a Channel 3 : 2422 Mhz 11g Channel 108 : 5540 Mhz 11a Channel 4 : 2427 Mhz 11g Channel 110 : 5550 Mhz 11a Channel 5 : 2432 Mhz 11g Channel 112 : 5560 Mhz 11a Channel 6 : 2437 Mhz 11g Channel 116 : 5580 Mhz 11a Channel 7 : 2442 Mhz 11g Channel 118 : 5590 Mhz 11a Channel 8 : 2447 Mhz 11g Channel 120 : 5600 Mhz 11a Channel 9 : 2452 Mhz 11g Channel 124 : 5620 Mhz 11a Channel 10 : 2457 Mhz 11g Channel 126 : 5630 Mhz 11a Channel 11 : 2462 Mhz 11g Channel 128 : 5640 Mhz 11a Channel 12 : 2467 Mhz 11g Channel 132 : 5660 Mhz 11a Channel 13 : 2472 Mhz 11g Channel 134 : 5670 Mhz 11a Channel 14 : 2484 Mhz 11g Channel 136 : 5680 Mhz 11a Channel 36 : 5180 Mhz 11a Channel 140 : 5700 Mhz 11a Channel 38 : 5190 Mhz 11a Channel 149 : 5745 Mhz 11a Channel 40 : 5200 Mhz 11a Channel 151 : 5755 Mhz 11a Channel 44 : 5220 Mhz 11a Channel 153 : 5765 Mhz 11a Channel 46 : 5230 Mhz 11a Channel 157 : 5785 Mhz 11a Channel 48 : 5240 Mhz 11a Channel 159 : 5795 Mhz 11a Channel 52 : 5260 Mhz 11a Channel 161 : 5805 Mhz 11a Channel 54 : 5270 Mhz 11a Channel 165 : 5825 Mhz 11a Channel 56 : 5280 Mhz 11a Channel 167 : 5835 Mhz 11a Channel 60 : 5300 Mhz 11a Channel 169 : 5845 Mhz 11a Channel 62 : 5310 Mhz 11a Channel 171 : 5855 Mhz 11a Channel 64 : 5320 Mhz 11a Channel 173 : 5865 Mhz 11a Channel 100 : 5500 Mhz 11a3. ifconfig run0 list caps run0=0x583c50b<WEP,TKIP,AES_CCM,IBSS,HOSTAP,SHSLOT,SHPREAMBLE,MONITOR,TKIPMIC,WPA1,WPA2,WME>4. How do you capture wireless packets with QNX? 1).ifconfig run0 mediaopt monitor 2).tcpdump -L Data link types (use option -y to set): EN10MB (Ethernet) IEEE802_11 (802.11) IEEE802_11_RADIO (802.11 plus BSD radio information header) 3).tcpdump -i run0 -y IEEE802_11_RADIO -s0 -vvvv tcpdump: data link type IEEE802_11_RADIO tcpdump: listening on run0, link-type IEEE802_11_RADIO (802.11 plus BSD radio information header), capture size 65535 bytes 06:59:12.559480 6.0 Mb/s 2412 MHz (0x04e0) -23dB signal antenna 1 21dB signal 0us Beacon () [6.0* 9.0 12.0* 18.0 24.0* 36.0 48.0 54.0 Mbit] ESS CH: 36, PRIVACY Note: mediaopt monitor is not necessary for all the cases. If you want to see all packets in this channel and closed channels then it is necessary. FAQ:#
Resources: |