revolution taking up 100% of cpu, again

[Mark Smith]

Your message is named whatever you named it - in this case 
"TestTheReports".

I'm afraid I can't shed any light on the CPU usage issue - I just 
thought that cancelling all your programmes pending messages 
willy-nilly might have something to do with not being able to close or 
save...or might cause other problems down the track.

Cheers,

Mark

On 24 Aug 2005, at 19:40, Jon wrote:

> Mark:
>
> This routine is only called every 10 seconds, when it is time to 
> schedule myself to wake up again.  I guess what I need to do is 
> understand what "my" message is named, and then only cancel it.
>
> Note that this 100% CPU situation only occurs periodically: I can go 
> for hours without it happening, so I doubt that it is [immediately] 
> caused by this code.
>
> Very confusing, to me.
>
> Jon
>
>
> Mark Smith wrote:
>
>> Why are you cancelling all pending messages that don't start with 
>> "rev"? Perhaps, if the timing is unlucky, you're interfering with a 
>> close stack message?
>>
>> Mark
>>
>> On 24 Aug 2005, at 16:29, Jon wrote:
>>
>>> I reported this IDE problem months ago, with a different 
>>> application, but here I go again.  I seem to have a talent for 
>>> creating problem stacks like this.  Last time it was a logic error 
>>> in one of my handlers.
>>>
>>> I am writing an application to test a web site I've written.  Once 
>>> every TBD (typically 15) minutes, it "wakes up" and Posts some data 
>>> to each of three versions of the same web site (supposed to be the 
>>> same code, only on three different servers, one of which is local to 
>>> my machine).  It then inspects the returned HTML to see if the 
>>> requested operation was successful.
>>>
>>> I wrote the program to "wake up" every 10 seconds and see whether it 
>>> is time to go yet or not. Two strange things are happening.
>>>
>>> 1) while the application is supposed to be hitting each web 
>>> site/server once every TBD minutes, it seems as if it may be hitting 
>>> it 4-5 times, all within a fraction of a second.  This undesired 
>>> behavior (AKA bug?) has allowed me to find and fix a number of 
>>> errors in the web site, but I would like to understand how and why 
>>> it is occurring.  My first thought is that multiple Sends are 
>>> getting triggered when I only wanted one to be sent.  I altered the 
>>> Send statement to be  included in the following procedure, to try to 
>>> control this:
>>>
>>> on SendToMyself s  local pm, str, theLine
>>>  put the pendingMessages into pm
>>>  repeat for each line theLine in pm
>>>    put char 1 to 3 of item 3 of theLine into str
>>>    if (str <> "rev") then
>>>      cancel item 1 of theLine
>>>    end if
>>>  end repeat
>>>  if (s = 0) then
>>>    send "TestTheReports" to the target
>>>    else
>>>    send "TestTheReports" to the target in s seconds
>>>    end if
>>>
>>> Can anyone see a problem with the way this is written?
>>>
>>>
>>> 2) if I run the stack for 20 hours or so, and then click on the 
>>> Close icon, Rev first asks if I want to save the application, after 
>>> which Rev starts to use 100% of the CPU.  I have to go kill the IDE, 
>>> even though, in theory, nothing is running any longer.  This can 
>>> also happen if I switch from Run mode to Edit mode in the IDE, at 
>>> which point I lose EVERYTHING I've worked on (no Save is possible).  
>>> I Save the application every chance I get because of this.  If I had 
>>> to guess, I would think that the IDE is losing it over residual 
>>> Sends/messages (see above)
>>>
>>> I tried monitoring the Messages, but did not see the spray of 
>>> messages that I had thought that I might: I only see that one 
>>> message every 10 seconds.
>>>
>>> Any thoughts about this situation?  I can provide the stack if you 
>>> wish...
>>>
>>> :)
>>>
>>> Jon
>>>
>>>
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>>
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