Re: ftrace on MIPS/ath79

2018-03-23 Thread Steven Rostedt
On Fri, 23 Mar 2018 23:20:10 +0100 Matthias Schiffer wrote: > Hi, > I'm currently trying to debug a performance bottleneck on low-end ath79 > hardware running OpenWrt/LEDE, but it seems that ftrace is not working > correctly on these systems. I have tried this with recent 4.4.y and 4.9.y > with s

ftrace on MIPS/ath79

2018-03-23 Thread Matthias Schiffer
Hi, I'm currently trying to debug a performance bottleneck on low-end ath79 hardware running OpenWrt/LEDE, but it seems that ftrace is not working correctly on these systems. I have tried this with recent 4.4.y and 4.9.y with similar results; unfortunately, switching to a newer kernel is not easily