Andi Kleen

Results 55 comments of Andi Kleen

It's some generic problem with your kernel build setup is missing the keys to sign modules. Not simple-pt specific. I don't use module signing myself so I don't know what...

Can you please create new ioctls for the 64bit variants and keep the old ones? There might be already existing users outside sptdump of the ioctl ABI/API which would be...

The process filter in sptcmd will not work for VMs because it would filter on the page tables in the guest. But you can trace globally or per CPU. Also...

On Thu, Dec 19, 2019 at 11:24:24PM -0800, Darshan Tank wrote: > @ andikleen Sir, > Thanks for your concern and response. > > Can you assist me with the...

On Wed, May 15, 2019 at 07:09:49AM -0700, Sergey Melnikov wrote: > Hi, Andi > > You wrote that '-c' flag doesn't work because of kernel page isolation. It actually...

Looks like a recent commit in libipt broke it. For now you can go back to libipt commit b08d7bf362eb07 (git checkout b08d7bf362eb07) and rebuild/reinstall -Andi On Tue, May 09, 2017...

Keeping it open because the problem is still there

bit 5 should never be set because the page table is 4K page aligned. Likely you need to boot with "nopti" on newer kernels, CR3 filter is incompatible with page...

The lower 5 bits are the PCID, which is used in PTI kernels. simple-pt should probably check and warn about it, although right now it will just be checked by...