On Thu, Dec 19, 2024 at 01:17:44PM -0800, Chen, Zide wrote: > With this patch, it seems perf tool has some problems in capturing the > kernel data with Intel PT. > > Running the following commands, the size of perf.data is very small, and > perf script can't find any valid records. > > perf record -e intel_pt//u -- /bin/ls > perf script --insn-trace > > Hi, I'm on leave (and should really go back to relaxing :>), returning on 2nd Jan so can't really dig into this. But I tried it on my intel box and it 'works on my machine' with and without patch with commands provided, so I'm not sure this is actually a product of this change (which shouldn't impact this). I'm afraid I can't really reply any further until the new year, however (I really shouldn't even be replying here ;). Happy holidays, Lorenzo
