Re: [ECOS] Critical memory usage cause application keep reboot?

["wang cui" <iucgnaw at msn dot com>]

Thanks!

> From: Bart Veer <bartv@ecoscentric.com>
> To: iucgnaw@msn.com
> CC: ecos-discuss@sourceware.org
> Subject: Re: [ECOS] Critical memory usage cause application keep reboot?
> Date: 13 Feb 2007 10:30:01 +0000
>
> >>>>> " " == wang cui <iucgnaw@msn.com> writes:
>
>      > As I try MicroWindow demo with VNC, my program keep reboot
>      > after run for a while. Finally I found the memory usage is too
>      > critical, the BSS region almost touch top of RAM region. After
>      > I reduced some memory configuration, it works.
>
>      > Because it can't be found at compile time. So I am asking, is
>      > there a good way to detect this kind of potential problem?
>
> mallinfo() provides some very basic information about heap usage, and
> it can be useful to call this from your application at regular
> intervals. e.g.
>
> #include <stdlib.h>
>
> ...
>    {
>       struct mallinfo	malloc_info = mallinfo();
>       diag_printf("  malloc info: allocated %d, free %d, maxfree %d\n",
>           malloc_info.uordblks, malloc_info.fordblks, 
malloc_info.maxfree);
>    }
>
> eCosPro has added functionality for more advanced heap analysis, e.g.
> tracking down memory leaks. See
> http://www.ecoscentric.com/ecospro/doc/html/ref/memalloc.html for more
> details. This is not currently available in the anoncvs version.
>
> Bart
>
> --
> Bart Veer                                 eCos Configuration Architect
> http://www.ecoscentric.com/               The eCos and RedBoot experts
> Besuchen Sie uns vom 13.-15.02.07 auf der Embedded World 2007, Stand 
11-336
> Visit us at Embedded World 2007, N?nberg, Germany, 13-15 Feb, Stand 11-336

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