If you setup distributed erlang between your embedded system and PC, maybe you could run and debug the problematic parts on your PC.<div><br></div><div>Erlide has a nice debugger interface. The eclipse interface should be comforting for your java-folk.</div>
<div><br></div><div>I should also add that I've given up on debugging and just use tracing for everything now.</div><div><br></div><div>Dan.<br><br><div class="gmail_quote">On Sun, Oct 23, 2011 at 8:45 AM, Kaiduan Xie <span dir="ltr"><<a href="mailto:kaiduanx@gmail.com">kaiduanx@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Sorry, clicking SEND to quick.<br>
<br>
Usually I just use log/printout to do the debug. But in order to sell<br>
Erlang to a group of Java developers, we need to find a comfortable<br>
way for them too.<br>
I will start using debugger more in the future to see how good it is :)<br>
<font color="#888888"><br>
/Kaiduan<br>
</font><div><div></div><div class="h5"><br>
On Sun, Oct 23, 2011 at 9:41 AM, Kaiduan Xie <<a href="mailto:kaiduanx@gmail.com">kaiduanx@gmail.com</a>> wrote:<br>
> No, we do not need to pause the entire VM to debug a process, we just<br>
> pause the particular process.<br>
><br>
> In C/C++/Java, we all can step-through an multi-thread program,<br>
><br>
> On Sun, Oct 23, 2011 at 9:06 AM, Fred Hebert <<a href="mailto:mononcqc@gmail.com">mononcqc@gmail.com</a>> wrote:<br>
>> Stepping through the code works okay when you've got only sequential code,<br>
>> but if you have a lot of code sensitive to timers and concurrency, then<br>
>> stepping through the code of one process will mess with all the timers<br>
>> currently running for other processes. As far as I know, there is no<br>
>> debugging facility letting you pause the entire VM at once.<br>
>><br>
>> On Sun, Oct 23, 2011 at 1:31 AM, Kaiduan Xie <<a href="mailto:kaiduanx@gmail.com">kaiduanx@gmail.com</a>> wrote:<br>
>>><br>
>>> I like and use trace, but my fellow developers are hard-cored JAVA<br>
>>> developers, they want to be able to step through the code.<br>
>>><br>
>>> /Kaiduan<br>
>>><br>
>>> On Sun, Oct 23, 2011 at 1:27 AM, Chandru<br>
>>> <<a href="mailto:chandrashekhar.mullaparthi@gmail.com">chandrashekhar.mullaparthi@gmail.com</a>> wrote:<br>
>>> > On 21 October 2011 17:30, Kaiduan Xie <<a href="mailto:kaiduanx@gmail.com">kaiduanx@gmail.com</a>> wrote:<br>
>>> >><br>
>>> >> Hi,<br>
>>> >><br>
>>> >> We need to debug an Erlang server running in an embedded system where<br>
>>> >> no GUI is available. We can attach an Erlang shell to the server from<br>
>>> >> a remote box with GUI. Can we use debugger on GUI box to remote debug<br>
>>> >> the server on embedded system? Can someone share the experience?<br>
>>> >><br>
>>> ><br>
>>> > You can use the in built trace facilities? I personally use dbg whenever<br>
>>> > I<br>
>>> > need to look at a running system and figure out what is happening. Some<br>
>>> > care<br>
>>> > is needed on what parts of the system you trace to make sure you don't<br>
>>> > swamp<br>
>>> > the system with traces. I have rendered a few systems unsuable because<br>
>>> > of<br>
>>> > the volume of tracing if the wrong trace pattern is chosen :) I<br>
>>> > typically<br>
>>> > use something like this:<br>
>>> ><br>
>>> > dbg:tracer(port, dbg:trace_port(file, "trace_file.dbg")).<br>
>>> > dbg:p(all,call).<br>
>>> > dbg:tp(module, function, dbg:fun2ms(fun(_) -> return_trace() end)).<br>
>>> ><br>
>>> > Traces will now start to be written to the file trace_file.dbg<br>
>>> ><br>
>>> > Once you've collected enough traces:<br>
>>> > dbg:ctp().<br>
>>> > dbg:flush_trace_port().<br>
>>> ><br>
>>> > You can then examine the trace file (binary file) using commands in dbg.<br>
>>> > I<br>
>>> > use the attached module to convert it to plain text.<br>
>>> ><br>
>>> > Or you can take a look at redbug: <a href="https://code.google.com/p/eper/" target="_blank">https://code.google.com/p/eper/</a><br>
>>> ><br>
>>> > cheers<br>
>>> > Chandru<br>
>>> ><br>
>>> ><br>
>>> _______________________________________________<br>
>>> erlang-questions mailing list<br>
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>><br>
>><br>
><br>
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