On Fri, Mar 27, 2015 at 02:53:00PM -0700, Dave Hansen wrote:
> diff -puN arch/x86/include/asm/trace/mpx.h~x86-mpx-trace-1
> arch/x86/include/asm/trace/mpx.h
> --- a/arch/x86/include/asm/trace/mpx.h~x86-mpx-trace-1 2015-03-27
> 14:35:05.164779793 -0700
> +++ b/arch/x86/include/asm/trace/mpx.h 2015-03-27 14:35:05.169780019
> -0700
> @@ -8,6 +8,31 @@
>
> #ifdef CONFIG_X86_INTEL_MPX
>
> +TRACE_EVENT(mpx_bounds_register_exception,
> +
> + TP_PROTO(void *addr_referenced,
> + struct bndreg *bndreg),
> + TP_ARGS(addr_referenced, bndreg),
> +
> + TP_STRUCT__entry(
> + __field(void *, addr_referenced)
> + __field(u64, lower_bound)
> + __field(u64, upper_bound)
> + ),
> +
> + TP_fast_assign(
> + __entry->addr_referenced = addr_referenced;
> + __entry->lower_bound = bndreg->lower_bound;
> + __entry->upper_bound = bndreg->upper_bound;
> + ),
> +
> + TP_printk("address referenced: 0x%p bounds: lower: 0x%llx ~upper:
> 0x%llx",
> + __entry->addr_referenced,
> + __entry->lower_bound,
> + ~__entry->upper_bound
Hmm, I have to see if libtraceevent handle's that. It might.
-- Steve
> + )
> +);
> +
> TRACE_EVENT(bounds_exception_mpx,
>
> TP_PROTO(struct bndcsr *bndcsr),
> diff -puN arch/x86/mm/mpx.c~x86-mpx-trace-1 arch/x86/mm/mpx.c
> --- a/arch/x86/mm/mpx.c~x86-mpx-trace-1 2015-03-27 14:35:05.166779884
> -0700
> +++ b/arch/x86/mm/mpx.c 2015-03-27 14:35:05.169780019 -0700
> @@ -16,6 +16,7 @@
> #include <asm/mmu_context.h>
> #include <asm/mpx.h>
> #include <asm/processor.h>
> +#include <asm/trace/mpx.h>
> #include <asm/fpu-internal.h>
>
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