powerpc32, ftrace: dynamic function graph tracer
This patch gets function graph tracing working with dynamic function tracer on PowerPC32. Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
parent
fad4f47cc8
commit
60ce8f7260
|
@ -111,7 +111,7 @@ config PPC
|
|||
select HAVE_FTRACE_MCOUNT_RECORD
|
||||
select HAVE_DYNAMIC_FTRACE
|
||||
select HAVE_FUNCTION_TRACER
|
||||
select HAVE_FUNCTION_GRAPH_TRACER if PPC64 || !DYNAMIC_FTRACE
|
||||
select HAVE_FUNCTION_GRAPH_TRACER
|
||||
select ARCH_WANT_OPTIONAL_GPIOLIB
|
||||
select HAVE_IDE
|
||||
select HAVE_IOREMAP_PROT
|
||||
|
|
|
@ -1183,7 +1183,12 @@ _GLOBAL(ftrace_caller)
|
|||
ftrace_call:
|
||||
bl ftrace_stub
|
||||
nop
|
||||
|
||||
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
|
||||
.globl ftrace_graph_call
|
||||
ftrace_graph_call:
|
||||
b ftrace_graph_stub
|
||||
_GLOBAL(ftrace_graph_stub)
|
||||
#endif
|
||||
MCOUNT_RESTORE_FRAME
|
||||
/* old link register ends up in ctr reg */
|
||||
bctr
|
||||
|
@ -1205,7 +1210,6 @@ _GLOBAL(_mcount)
|
|||
b ftrace_graph_caller
|
||||
#endif
|
||||
MCOUNT_RESTORE_FRAME
|
||||
|
||||
bctr
|
||||
#endif
|
||||
|
||||
|
|
Loading…
Reference in New Issue