Re: [PATCHv3 00/19] perf tools: Factor ordered samples queue

[Adrian Hunter]

On 21/07/2014 9:36 p.m., David Ahern wrote:
> On 7/21/14, 12:23 PM, Adrian Hunter wrote:
> > On 21/07/2014 7:31 p.m., Andi Kleen wrote:
> > > Jiri Olsa <jolsa@xxxxxxxxxx> writes:
> > > > [jolsa@ibm-x3650m4-01 perf]$ sudo ./perf report --stdio
> > > > Timestamp below last timeslice flush
> > > > 0x2276f58 [0x68]: failed to process type: 9
> > >
> > > FWIW we're seeing this frequently too.
> >
> > Jiri's example didn't work for me.  Do you have one?
>
> $ perf sched record  -m 8192 -- perf bench sched all
> # Running sched/messaging benchmark...
> # 20 sender and receiver processes per group
> # 10 groups == 400 processes run
>
>       Total time: 0.087 [sec]
>
> # Running sched/pipe benchmark...
> # Executed 1000000 pipe operations between two processes
>
>       Total time: 12.043 [sec]
>
>        12.043779 usecs/op
>            83030 ops/sec
>
> [ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 289.549 MB perf.data (~12650569 samples) ]
> 0x54b4828 [0]: failed to process type: 0
>
> No overload condition, no dropped chunks message - yet can't process events.

Actually, it was the "Timestamp below last timeslice flush"
that I was interested in.
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