Compression and decompression CPU usage in Leon 3

Rafael Morales rmorales at
Mon Jan 12 21:33:08 UTC 2015

Dear Angelo,

Thank you for your response.

I've checked and there is no critical sections inside code. Just nested 
"for" and memory buffers playing.

Saludos Rafael.

> Check that there is not a critical section running within the algorithm
> On 13/01/2015 5:39 AM, Rafael Morales wrote:
>> Dear all,
>> I'm using a Leon 3 with RTEMS 4.10.
>> When I run a compression/decompression algorithm (zlib or promDecode 
>> from mkprom sources) on KB of data,
>> my other RTEMS tasks seems to be frozen.
>> I've tried to put the compression/decompression in a separate task 
>> with low priority, but no luck.
>> In theory, a more privileged task should stop the compression and 
>> start to run, but I see just the opposite.
>> Any idea?
>> Thanks in advance.
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