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| author | Shaohua Li <shaohua.li@intel.com> | 2009-01-09 04:29:46 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-14 12:11:26 +0100 |
| commit | d3e75ff14bc1453c4762428395aac9953a023efc (patch) | |
| tree | b25ec02c30da77257ab02b232b932308260e83ba /arch/ia64/Kconfig | |
| parent | ftrace, ia64: Add recordmcount for ia64 (diff) | |
| download | linux-d3e75ff14bc1453c4762428395aac9953a023efc.tar.xz linux-d3e75ff14bc1453c4762428395aac9953a023efc.zip | |
ftrace, ia64: IA64 static ftrace support
IA64 ftrace suppport. In IA64, below code will be added in each function
if -pg is enabled.
alloc r40=ar.pfs,12,8,0
mov r43=r0;;
mov r42=b0
mov r41=r1
nop.i 0x0
br.call.sptk.many b0 = _mcount;;
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/ia64/Kconfig')
| -rw-r--r-- | arch/ia64/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 3d31636cbafb..b992ba447c41 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -21,6 +21,7 @@ config IA64 select HAVE_OPROFILE select HAVE_KPROBES select HAVE_KRETPROBES + select HAVE_FUNCTION_TRACER select HAVE_DMA_ATTRS select HAVE_KVM select HAVE_ARCH_TRACEHOOK |