On Fri, 2014-01-24 at 20:46 +0100, Sebastian Andrzej Siewior wrote: > * Mike Galbraith | 2013-12-23 06:12:39 [+0100]: > > >P.S. > > > >virgin -rt7 doing tbench 64 + make -j64 > > > >[ 97.907960] perf samples too long (3138 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 > >[ 103.047921] perf samples too long (5544 > 5000), lowering kernel.perf_event_max_sample_rate to 25000 > >[ 181.561271] perf samples too long (10318 > 10000), lowering kernel.perf_event_max_sample_rate to 13000 > >[ 184.243750] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 1.084 msecs > >[ 248.914422] perf samples too long (19719 > 19230), lowering kernel.perf_event_max_sample_rate to 7000 > >[ 382.116674] NOHZ: local_softirq_pending 10 > This is block > > >[ 405.201593] perf samples too long (36824 > 35714), lowering kernel.perf_event_max_sample_rate to 4000 > >[ 444.704185] NOHZ: local_softirq_pending 08 > >[ 444.704208] NOHZ: local_softirq_pending 08 > >[ 444.704579] NOHZ: local_softirq_pending 08 > >[ 444.704678] NOHZ: local_softirq_pending 08 > >[ 444.705100] NOHZ: local_softirq_pending 08 > >[ 444.705980] NOHZ: local_softirq_pending 08 > >[ 444.705994] NOHZ: local_softirq_pending 08 > >[ 444.708315] NOHZ: local_softirq_pending 08 > >[ 444.710348] NOHZ: local_softirq_pending 08 > > and this is RX. Is your testcase heavy disk-io or heavy disk-io + > network? Yeah. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html