On Fri, 13 Jul 2018, Metzger, Markus T wrote:
> Hello Hugh,
>
> > A little "optimization" crept into alloc_bts_buffer() along the way, which
> > now
> > places bts_interrupt_threshold not on a record boundary.
> > And Stephane has shown me the sentence in Vol 3B, 17.4.9, which says "This
> >
On Fri, 13 Jul 2018, Metzger, Markus T wrote:
> Hello Hugh,
>
> > A little "optimization" crept into alloc_bts_buffer() along the way, which
> > now
> > places bts_interrupt_threshold not on a record boundary.
> > And Stephane has shown me the sentence in Vol 3B, 17.4.9, which says "This
> >
On Thu, Jul 12, 2018 at 06:22:13PM -0700, Hugh Dickins wrote:
> A little "optimization" crept into alloc_bts_buffer() along the way,
> which now places bts_interrupt_threshold not on a record boundary.
> And Stephane has shown me the sentence in Vol 3B, 17.4.9, which says
> "This address must
On Thu, Jul 12, 2018 at 06:22:13PM -0700, Hugh Dickins wrote:
> A little "optimization" crept into alloc_bts_buffer() along the way,
> which now places bts_interrupt_threshold not on a record boundary.
> And Stephane has shown me the sentence in Vol 3B, 17.4.9, which says
> "This address must
Hello Hugh,
> A little "optimization" crept into alloc_bts_buffer() along the way, which now
> places bts_interrupt_threshold not on a record boundary.
> And Stephane has shown me the sentence in Vol 3B, 17.4.9, which says "This
> address must point to an offset from the BTS buffer base that is a
Hello Hugh,
> A little "optimization" crept into alloc_bts_buffer() along the way, which now
> places bts_interrupt_threshold not on a record boundary.
> And Stephane has shown me the sentence in Vol 3B, 17.4.9, which says "This
> address must point to an offset from the BTS buffer base that is a
On Thu, 12 Jul 2018, Metzger, Markus T wrote:
> Hello,
>
> Starting with 4.15 I noticed that BTS is sporadically missing the tail
> of the trace in the perf_event data buffer. It shows as
>
> [decode error (1): instruction overflow]
>
> in GDB. Chances to see this are higher the longer
On Thu, 12 Jul 2018, Metzger, Markus T wrote:
> Hello,
>
> Starting with 4.15 I noticed that BTS is sporadically missing the tail
> of the trace in the perf_event data buffer. It shows as
>
> [decode error (1): instruction overflow]
>
> in GDB. Chances to see this are higher the longer
"Metzger, Markus T" writes:
Adding Dave Hansen
> Hello,
>
> Starting with 4.15 I noticed that BTS is sporadically missing the tail
> of the trace in the perf_event data buffer. It shows as
>
> [decode error (1): instruction overflow]
>
> in GDB. Chances to see this are higher the longer
"Metzger, Markus T" writes:
Adding Dave Hansen
> Hello,
>
> Starting with 4.15 I noticed that BTS is sporadically missing the tail
> of the trace in the perf_event data buffer. It shows as
>
> [decode error (1): instruction overflow]
>
> in GDB. Chances to see this are higher the longer
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