src/patches/suse-2.6.27.31/patches.trace/ftrace-framepointer.diff

   1 From: Jan Blunck <jblunck@suse.de>
   2 Subject: Select FRAME_POINTER only on SYSPROF_TRACER
   3 Date: Wed Sep 24 10:32:16 CEST 2008
   4
   5 The only tracer that requires frame pointers is the sysprof trace. Since this
   6 tracer copies the functionality of oprofile, it isn't required at all.
   7
   8 Signed-off-by: Jan Blunck <jblunck@suse.de>
   9 ---
  10  kernel/trace/Kconfig |    2 +-
  11  1 file changed, 1 insertion(+), 1 deletion(-)
  12
  13 Index: b/kernel/trace/Kconfig
  14 ===================================================================
  15 --- a/kernel/trace/Kconfig
  16 +++ b/kernel/trace/Kconfig
  17 @@ -18,7 +18,6 @@ config TRACING
  18  config FTRACE
  19         bool "Kernel Function Tracer"
  20         depends on HAVE_FTRACE
  21 -       select FRAME_POINTER
  22         select TRACING
  23         select CONTEXT_SWITCH_TRACER
  24         help
  25 @@ -79,6 +78,7 @@ config SYSPROF_TRACER
  26         bool "Sysprof Tracer"
  27         depends on X86
  28         select TRACING
  29 +       select FRAME_POINTER
  30         help
  31           This tracer provides the trace needed by the 'Sysprof' userspace
  32           tool.