Re: powerpc/xmon: Exclude all of xmon/ from ftrace
From: Michael Ellerman <hidden>
Date: 2017-08-16 12:29:49
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@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@ubuntu:/sys/kernel/debug/tracing# After patch: root@ubuntu:/sys/kernel/debug/tracing# cat available_filter_functions | grep -i xmon root@ubuntu:/sys/kernel/debug/tracing# Signed-off-by: Naveen N. Rao <redacted>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/e12d94f80614475b07d046eb095e6b cheers