On 06/13/2017 05:58 AM, Sebastian Andrzej Siewior wrote:
On 2017-06-12 07:57:18 [-0500], Corey Minyard wrote:A few notes on what you have done: * ionice doesn't affect network I/O. * renice does not set real-time priorities. * You don't do anything with memory locking. What happens if memory in your program gets paged out then is required? * Something on the other end of the ping is running, too. It also needs to be real-time, too, and it's not by default.You forgot to mention that the real-time kernel is not automatically overclocking the software in terms of performance (but providing determinism).
Pinging localhost *should* be reasonably quick. It's basically a test of the scheduler and context switching (once all the memory is locked in place).
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