[Kst] Kst Crash

[Peter Kümmel]

On 18.01.2014 11:34, Ben Lewis wrote:
> Hi Peter / Kst,
>
> The changes you've made work great! I can now load, large, live data files. Thank you.
>
> Also, there are now no delays in the data wizard. Thank you.
>
> It seems that the new progress bar only gets used on files over a certain size. I like that.
>
> There are still some minor things that need to be fixed before the next release:
>
>   * Progress bar gets stuck at 50%

Is fixed.

>   * I sometimes get snippets of data missing in a live plot. If I restart Kst and reload the data there are no missing
>     bits. This seems to happen when there is a large amount of network traffic.

The file is not local?

>   * Every so often Kst seems to read an entire vector from the start after the initial read is done. I noticed this when
>     the temporary console log file was enabled. I can still see one of the symptoms, which is an increased CPU load on
>     the remote PC every time Kst reads the entire vector. This is not very noticeable on small files but the file size
>     gets larger it becomes much more noticeable.

When your data file grows while the initial read, it would be read again as soon as the monitoring begins.

>   * "Out of Memory" error http://kde.6490.n7.nabble.com/Out-of-memory-error-td1555215.html

I could not reproduce, but  I fixed the miss leading error description.

>   * "FFT Length" is editable when "Interleaved Average" is deselected. https://bugs.kde.org/show_bug.cgi?id=328371
>   * Time axis does not update after changing sample frequency. https://bugs.kde.org/show_bug.cgi?id=328481 It looks like
>     the behaviour of this bug has changed but it is still not right yet. I can provide more details if required.
>   * Temporary memory is not freed after reading data from an ASCII file. As it stands at the moment approximately twice
>     as much RAM is required than is really necessary.

This is by design, but yes, for large files it could be a problem.
Could you create a bug report?

>
> If you need clarification or further testing on any of these please let me know. I'm happy to help out in any way I can.

Many thanks,
Peter

>
> Regards, Ben
>
>
> On 17/01/2014 10:09 PM, Peter Kümmel wrote:
>> On 06.01.2014 11:38, Peter Kümmel wrote:
>>>> It seems that regular updates should be disabled during the use of the ASCII Wizard and
>>>> during the first read. Once loaded, regular updates can resume. What do you think?
>>>
>>> Good catch Ben! Yes, this should be fixed.
>>
>> Fixed, monitoring the file now starts when initial reading is done.
>>
>>>
>>>>
>>>> Ben