On Tue, Nov 15, 2016 at 11:55 AM, Joel Fernandes <[email protected]> wrote: > Hi Kees, > > On Fri, Nov 11, 2016 at 2:21 PM, Kees Cook <[email protected]> wrote: >> Hi Joel, >> >> I've reorganized a bunch of the logic here. Since pstore is going to need >> the init_przs() logic for multiple pmsg przs, I wanted to get this in and >> make sure I was happy with how it looks. I figured this would reduce our >> round-trip time on reviews. :) >> >> Can you test this series and verify that it works as you're expecting? I've >> validated some basic behavior already, but don't have a good test-case for >> ftrace. What commands do you actually use for testing ftrace? I'd like to >> add something to my local tests. > > I normally do the following: > > dd if=/dev/urandom | pv | dd of=/dev/null > > and in parallel, I do a: > echo 1 > /sys/kernel/debug/pstore/record_ftrace > > and then check the throughput; and then reboot the system and do a > read out of /sys/fs/pstore/ ftrace file.
Cool. Does something normally parse these? Lots of kernel addresses is all I see. ;) > I will try these patches out today and thanks for refactoring the init > prz stuff. Sure thing! It should make the multi-pmsg change easier too. -Kees -- Kees Cook Nexus Security
