Trace status update.

[Gedare Bloom]

Very nice! thanks for the update!

On Mon, Mar 23, 2015 at 2:36 AM, Chris Johns <chrisj at rtems.org> wrote:
> Hi,
>
> I have added some pages to the developer's wiki:
>
>  https://devel.rtems.org/wiki/Developer/Tracing
>
> and I am slowly adding more detail. I intend to update the Trace Linker with
> more detail on the configuration files.
>
> I have just updated the trace linker to support:
>
>  1. Option sections.
>  2. Names,
>  3. Enables, and
>  4. Triggers
>
> The option sections allow you to put custom options into configuration
> files. For example:
>
>  [my-options]
>  dump-on-error = true
>  ;
>  ; Tools, linker for linking C++
>  ;
>  prefix = /opt/work/rtems/4.11
>  ld = arm-rtems4.11-g++
>  rtems-bsp = arm/xilinx_zynq_zc706
>  rtems-path = /opt/work/my/rtems/4.11
>  cflags = -I/my/private/path
>  ;
>  ; Generator options.
>  ;
>  gen-enables = enable
>  gen-triggers = enable
>
> Names is adding the names of all trace functions to a 'const char*' array
> indexed by the function index.
>
> Enables is a bitmap array of uint32_t where each bit is indexed by the trace
> function index. The bit set means tracing is enabled for this function.
>
> Triggers is a bitmap array of uint32_t where each bit is indexed by the
> trace function index. The bit set means trigger tracing. I have only defined
> a single bit at this point in time. We should actually have more so we can
> define entry and exit or both trigger states.
>
> These changes allow a standard alone buffered trace support as well as move
> us a bit closer to integrating to the capture engine.
>
> Chris
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