Irqsoff, switch and preempt tracers use CALLER_ADDR macros, so they
should select FRAME_POINTER. Otherwise traces are meaningless.
Signed-off-by: Anton Vorontsov
---
kernel/trace/Kconfig |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/Kconfig b/kernel/trac
Irqsoff, switch and preempt tracers use CALLER_ADDR macros, so they
should select FRAME_POINTER. Otherwise traces are meaningless.
Signed-off-by: Anton Vorontsov
---
kernel/trace/Kconfig |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/Kconfig b/kernel/trac
2009/2/4 Steven Rostedt :
>
> >From ftrace.h:
>
> #ifdef CONFIG_FRAME_POINTER
> /* TODO: need to fix this for ARM */
> # define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
> # define CALLER_ADDR1 ((unsigned long)__builtin_return_address(1))
> # define CALLER_ADDR2 ((unsigned long)__bu
On Wed, Feb 04, 2009 at 04:26:15PM +0100, Frédéric Weisbecker wrote:
[...]
> > @@ -136,6 +138,7 @@ config SCHED_TRACER
> >select TRACING
> >select CONTEXT_SWITCH_TRACER
> >select TRACER_MAX_TRACE
> > + select FRAME_POINTER
> >help
> > This tracer track
2009/2/4 Anton Vorontsov :
> Irqsoff, switch and preempt tracers use CALLER_ADDR macros, so they
> should select FRAME_POINTER. Otherwise traces are meaningless.
>
> Signed-off-by: Anton Vorontsov
> ---
> kernel/trace/Kconfig |3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff
On Wed, 2009-02-04 at 16:26 +0100, Frédéric Weisbecker wrote:
> 2009/2/4 Anton Vorontsov :
> > Irqsoff, switch and preempt tracers use CALLER_ADDR macros, so they
> > should select FRAME_POINTER. Otherwise traces are meaningless.
> >
> > Signed-off-by: Anton Vorontsov
> > ---
> > kernel/trace/Kc
Irqsoff, switch and preempt tracers use CALLER_ADDR macros, so they
should select FRAME_POINTER. Otherwise traces are meaningless.
Signed-off-by: Anton Vorontsov
---
kernel/trace/Kconfig |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/Kconfig b/kernel/trac
