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Groups > linux.kernel > #1508956
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 1/2] perf, x86-mm: Add exit-fault tracing |
| Date | 2016-10-26 11:00 +0200 |
| Message-ID | <swsdY-1ge-35@gated-at.bofh.it> (permalink) |
| References | <swjNn-3Zo-5@gated-at.bofh.it> <swjNn-3Zo-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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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[PATCH 1/2] perf, x86-mm: Add exit-fault tracing Alexis Berlemont <alexis.berlemont@gmail.com> - 2016-10-26 02:00 +0200
Re: [PATCH 1/2] perf, x86-mm: Add exit-fault tracing Peter Zijlstra <peterz@infradead.org> - 2016-10-26 11:00 +0200
Re: [PATCH 1/2] perf, x86-mm: Add exit-fault tracing Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-10-26 21:00 +0200
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