Thread (6 messages) flat view 6 messages, 3 authors, 2017-08-17

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
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