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Re: 2015-04-19-netbsd-raspi-earmv6hf.img (Re: Raspberry Pi update please.)
On Sun, Apr 26, 2015 at 5:30 PM, Stephan <stephanwib%googlemail.com@localhost> wrote:
> I just tested your image and there are some issues (left):
> -There seems to be something wrong with write speed to the SD card. I
> tried a Class 10 card on both RPI and RPI2 and I did not get more than
> 1MB/s. The same result was with a Class 4 card on the RPI. The image I
> used before with a private kernel which Nick provided to me has 4,8
> MB/s write speed to a Class 4 card. I´ve also intermittently seen some
> latency when launching executables if they were not in the file cache
> already as well as the shell hanging on tab completion.
Sad, could you please share some documentation regarding your find.
Most Opensource developers seem to be ignorant or lack basic
> -OpenSSL speed in base hasn´t improved yet (should it?).
> -"sysstat vm" always shows 8000 interrupts per second from the USB
> driver (both RPI and RPI 2). Am I the only one having this?
> -If I disconnect my USB keyboard within an X session, the framebuffer
> console appears, leaving the device unusable (even if I plug the
> keyboard back in).
Could you please share some previous benchmarking you have followed.
> -When opening applications in an X session (e.g. Dillo), the UI (even
> the mouse pointer) becomes unresponsive. It´s not yet clear to me what
> causes this, I wasn´t able to provoke this with heavy CPU or I/O load
> nor memory pressure.
dmesg, etc commands can be useful. Even kill helps to get an stack trace.
You could use some of the X11 utilities to find some potential performance
> Good however is that Jared´s improvements to devpubd have a posivie
> effect on system load during startup.
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