Messages in this thread | | | Date | Wed, 26 Oct 2016 10:51:16 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 1/2] perf, x86-mm: Add exit-fault tracing |
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On Wed, Oct 26, 2016 at 01:51:59AM +0200, Alexis Berlemont wrote:
-ENOCHANGELOG
> Signed-off-by: Alexis Berlemont <alexis.berlemont@gmail.com> > ---
> diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c > index 9f72ca3..e31e8ef 100644 > --- a/arch/x86/mm/fault.c > +++ b/arch/x86/mm/fault.c > @@ -1488,6 +1488,7 @@ trace_do_page_fault(struct pt_regs *regs, unsigned long error_code) > prev_state = exception_enter(); > trace_page_fault_entries(address, regs, error_code); > __do_page_fault(regs, error_code, address); > + trace_page_fault_exit(address);
Aside from my general hatred of tracepoint, it bugs me that its not symmetric like the irq vector ones. But I'll leave that to x86 people.
> exception_exit(prev_state); > } > NOKPROBE_SYMBOL(trace_do_page_fault); > -- > 2.10.1 >
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