On Fri, 2015-11-06 at 02:21:17 UTC, Michael Ellerman wrote: > There is a nice interface for asking ftrace to dump all its tracing > buffers. The only down side for use in xmon is that it uses printk. > Depending on circumstances printk may not work when in xmon, but it also > may, so add a 'dt' command which dumps the ftrace buffers, and add a > note to the help to mentiont that it uses printk. > > Calling this routine also disables tracing, which is problematic if you > return from xmon and expect the system to keep operating normally. So > after we do the dump turn tracing back on. > > Both functions already have nop versions defined for when ftrace is not > enabled, so we don't need any extra #ifdefs. > > Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
Applied to powerpc next. https://git.kernel.org/powerpc/c/56144ec7c93f6f18aa878560074633 cheers
