On Tue, May 18, 2021 at 2:49 PM Jan Kiszka <jan.kis...@siemens.com> wrote:
> On 18.05.21 20:28, Greg Gallagher via Xenomai wrote: > > Hi Everyone, > > There's been a noticeable slow down in the arm and arm64 latency of > > late. I tracked the issue > > down to the tracing infrastructure. For now if you hit this issue, > > disable ftrace. Once this is done the latency numbers look much better. > > I'm currently working on resolving the issue. > > Do you mean disabling during build? Or is the issue only present when > tracing is actively used during runtime? > > > > > New patches will be released this week for both arm and arm64 now that > > the issue is understood and a work around exists. > > > > That's great! > > Jan > > -- > Siemens AG, T RDA IOT > Corporate Competence Center Embedded Linux Hi, I mean disabled during build time. That’s at least how I tested to see that the issue went away. Hopefully I’ll have a solution soon. Thanks Greg
