Re: Message Queues (2.4 vs. 2.6)

May 17, 2008 1 Replies


I am seeing a dramatic difference between 2.4.26 and 2.6.10 in how


> fast messages are transferred to a log file using a message queue,
> i.e., using msgsnd & msgrcv. On 2.4.26, the messages appear in the
> log file in at most a few seconds. On 2.6.10, it may take 20 to 30
> seconds before the messages appear in the log file. Since the log
> file is there primarily to help debug crashes, very little useful
> information is there with this large delay. I am using a powerpc
> processor.
>
> Has anyone else seen this sort of behavior in 2.4 vs. 2.6 and are
> there any suggestions on how to fix it?

Maybe it is obvious to everybody else, but I have not idea what you are referring to. 2.4 of what?

Regards, Richard. + http://www.FreeRTOS.org & http://www.FreeRTOS.org/shop 17 official architecture ports, more than 5000 downloads per month. + http://www.SafeRTOS.com Certified by TÜV as meeting the requirements for safety related systems.

Linux kernel version, I assume.

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required