powerpc/xmon: Exclude all of xmon/ from ftrace

[Michael Ellerman]

On Wed, 2017-08-02 at 18:25:38 UTC, "Naveen N. Rao" wrote:
> Exclude core xmon files from ftrace (along with an xmon xive helper
> outside of xmon/) to minimize impact of ftrace while within xmon.
> 
> Before patch:
>   root at ubuntu:/sys/kernel/debug/tracing# cat available_filter_functions | grep -i xmon
>   xmon_xive_do_dump
>   xmon_dbgfs_get
>   xmon_print_symbol
>   xmon_show_stack
>   xmon_dbgfs_ops_open
>   xmon_init.part.2
>   xmon_dbgfs_set
>   sysrq_handle_xmon
>   xmon_fault_handler
>   cpus_are_in_xmon
>   xmon_core
>   xmon
>   xmon_irq
>   xmon_break_match
>   xmon_iabr_match
>   xmon_sstep
>   xmon_bpt
>   xmon_ipi
>   xmon_write
>   xmon_start_pagination
>   xmon_end_pagination
>   xmon_set_pagination_lpp
>   xmon_putchar
>   xmon_gets
>   xmon_printf
>   xmon_puts
>   root at ubuntu:/sys/kernel/debug/tracing#
> 
> After patch:
>   root at ubuntu:/sys/kernel/debug/tracing# cat available_filter_functions | grep -i xmon
>   root at ubuntu:/sys/kernel/debug/tracing#
> 
> Signed-off-by: Naveen N. Rao <naveen.n.rao at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/e12d94f80614475b07d046eb095e6b

cheers