* Ram Usage
@ 2014-01-19 18:18 Vinicius Franchini
2014-01-20 1:36 ` Oliver Kleinke
2014-01-20 9:40 ` Niklas Holsti
0 siblings, 2 replies; 3+ messages in thread
From: Vinicius Franchini @ 2014-01-19 18:18 UTC (permalink / raw)
Hi folks,
I'd like to know if there are anyway to know how much of ram is been used by my code.
I tried the avr-size, but it gives you just the static ram. The problem is how to evaluate the full memory consumption, including the non-static part.
Thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Ram Usage
2014-01-19 18:18 Ram Usage Vinicius Franchini
@ 2014-01-20 1:36 ` Oliver Kleinke
2014-01-20 9:40 ` Niklas Holsti
1 sibling, 0 replies; 3+ messages in thread
From: Oliver Kleinke @ 2014-01-20 1:36 UTC (permalink / raw)
> Hi folks,
>
> I'd like to know if there are anyway to know how much of ram is been
> used by my code.
>
> I tried the avr-size, but it gives you just the static ram. The
> problem is how to evaluate the full memory consumption, including the
> non-static part.
>
> Thanks.
You can debug with JTAG or a simulator, use an "high-water mark" or dump
the SP (or SP minus &__heap_start, calculation may vary depending on
your linker flags/ram layout[1]). I think these 3 are the most common
methods.
--
[1] - http://www.nongnu.org/avr-libc/user-manual/malloc.html
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Ram Usage
2014-01-19 18:18 Ram Usage Vinicius Franchini
2014-01-20 1:36 ` Oliver Kleinke
@ 2014-01-20 9:40 ` Niklas Holsti
1 sibling, 0 replies; 3+ messages in thread
From: Niklas Holsti @ 2014-01-20 9:40 UTC (permalink / raw)
On 14-01-19 20:18 , Vinicius Franchini wrote:
> Hi folks,
>
> I'd like to know if there are anyway to know how much of ram is been
> used by my code.
>
> I tried the avr-size, but it gives you just the static ram. The
> problem is how to evaluate the full memory consumption, including the
> non-static part.
For stack consumption you can try a static analyzer such as my Bound-T
(www.bound-t.com). This analyzer does not (yet) address the GNAT
secondary stack, but, if I remember correctly, there is no secondary
stack in GNAT for AVR. I have no suggestions for heap memory usage.
--
Niklas Holsti
Tidorum Ltd
niklas holsti tidorum fi
. @ .
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-01-20 1:36 ` Oliver Kleinke
2014-01-20 9:40 ` Niklas Holsti
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