[Laszlo-dev] How to profile application operation

[P T Withington]

Where are you trying this?  Because the code that I wrote below worked  
fine for me.

Is it possible your changes to move the URL construction out of the  
profiler somehow affected the ability to restart the profiler?

On 2009-05-07, at 13:39EDT, Henry Minsky wrote:

> I am having difficulty getting the profiler to start up again. If I  
> load the
> main.lzx app with profiling on,and then call Profiler.start  [I had a
> clickable view to invoke Profiler.start()  , I am not getting any
> new output to the main.profiler file.
>
> Even in a simple test case, like this
>
> <canvas>
>    <view width="40" height="40" bgcolor="red"  
> onclick="Profiler.stop();
> alert('stop profiler');"/>
>    <view width="40" height="40"  bgcolor="green" onclick="alert('start
> profiler'); Profiler.start();"/>
> </canvas>
>
> The new profiler file does not get written out. In a trace of HTTP  
> request
> via Fiddler, I see all
> the profiler data chunks go out, and the close packet is sent.  Just  
> for
> some reason the new profiler
> output file is not getting written on the server. WTF?
>
>
>
> On Thu, May 7, 2009 at 12:52 PM, P T Withington <ptw at pobox.com> wrote:
>
>> Here's a hack that I wrote that waits for the instantiator to  
>> settle out,
>> then profiles for a bit.  You could use this to make a profile of a  
>> running
>> application use case:
>>
>> <text id="myoutput" multiline="true" />
>>
>> <handler name="oninited">
>>   LzTimeKernel.setTimeout(function () {
>>     if (lz.Instantiator.isUpdating) {
>>       // If the instantiator is still running, just requeue ourselves
>>       LzTimeKernel.setTimeout(arguments.callee, 10 * 1000);
>>     } else {
>>       // Wait a bit for things to settle
>>       LzTimeKernel.setTimeout(function () {
>>         myoutput.bringToFront();
>>         myoutput.format("LzIdleKernel.__callbacks: %w\n",
>> LzIdleKernel.__callbacks);
>>         myoutput.addFormat("lz.Idle.coi: %w\n", lz.Idle.coi);
>>         if ($profile) {
>>           Profiler.stop();
>>           myoutput.addFormat("Starting profiling...");
>>           Profiler.start();
>>           // Profile for 40 seconds
>>           LzTimeKernel.setTimeout(function () {
>>             Profiler.stop();
>>             myoutput.addFormat(" done!\n");
>>           }, 40 * 1000);
>>         }
>>       }, 10 * 1000);
>>     }
>>   }, 10 * 1000);
>> </handler>
>>
>>
>
>
> -- 
> Henry Minsky
> Software Architect
> hminsky at laszlosystems.com