On Mon, Sep 26, 2011 at 19:35, Jani Monoses <[email protected]> wrote: > On Mon, Sep 26, 2011 at 3:00 PM, Jani Monoses <[email protected]> > wrote: >> >> 10Z model with kernel built from current git (not a deb package install) >> and no modules loaded. >> 4294967296 bytes (4.3 GB) copied, 160.107 s, 26.8 MB/s >> 0.02user 24.74system 2:40.12elapsed 15%CPU >> I need to see why I have worse numbers with the .deb > > So if I boot with a kernel and modules moved out of the /lib/modules path so > it cannot find them on boot, > the speed is 26/27 MB/s > If I boot same kernel and allow modules to load (37 of them) the speed is > 16/17 MB/s . > Loading in all those modules in a kernel that started without them does not > affect the performance, it remains at 26Mb > Loading them at boot seems to have an effect on how the system behaves > later. > Jani leon@ssd:~$ sudo dd if=/dev/mmcblk0 of=/dev/null bs=4M count=1024 1024+0 records in 1024+0 records out 4294967296 bytes (4.3 GB) copied, 264.54 s, 16.2 MB/s leon@ssd:~$ uname -a Linux ssd 2.6.38.3+ #29 SMP PREEMPT Sat Sep 24 13:54:54 IDT 2011 armv7l armv7l armv7l GNU/Linux
Kernel based on latest commit cbc11bee6315a98c65dd18e4b1b8559328a468e2 With modules loaded at the boot. _______________________________________________ > Mailing list: https://launchpad.net/~ac100 > Post to : [email protected] > Unsubscribe : https://launchpad.net/~ac100 > More help : https://help.launchpad.net/ListHelp > > -- Leon Romanovsky | Independent Linux Consultant www.leon.nu | [email protected] _______________________________________________ Mailing list: https://launchpad.net/~ac100 Post to : [email protected] Unsubscribe : https://launchpad.net/~ac100 More help : https://help.launchpad.net/ListHelp
