Messages in this thread | | | Date | Mon, 21 Jul 2014 12:36:54 -0600 | From | David Ahern <> | Subject | Re: [PATCHv3 00/19] perf tools: Factor ordered samples queue |
| |
On 7/21/14, 12:23 PM, Adrian Hunter wrote: > On 21/07/2014 7:31 p.m., Andi Kleen wrote: >> Jiri Olsa <jolsa@redhat.com> 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.
David
| |