Could you please make some chart to visually compare latencies with CFS? Also, has RIFS got cgroups support?
07.07.12 23:58, Chen написав(ла): > 1. Benchmark: > [admin@localhost ~]$ latt -c255 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=255 > Entries logged: 1020 > > Wakeup averages > ------------------------------------- > Max 106549 usec > Avg 1446 usec > Stdev 6182 usec > Stdev mean 194 usec > > Work averages > ------------------------------------- > Max 2793229 usec > Avg 2189141 usec > Stdev 351389 usec > Stdev mean 11002 usec > [admin@localhost ~]$ latt -c128 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=128 > Entries logged: 768 > > Wakeup averages > ------------------------------------- > Max 70824 usec > Avg 1761 usec > Stdev 5074 usec > Stdev mean 183 usec > > Work averages > ------------------------------------- > Max 1464295 usec > Avg 1163262 usec > Stdev 210801 usec > Stdev mean 7607 usec > [admin@localhost ~]$ latt -c64 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=64 > Entries logged: 640 > > Wakeup averages > ------------------------------------- > Max 53780 usec > Avg 1375 usec > Stdev 4772 usec > Stdev mean 189 usec > > Work averages > ------------------------------------- > Max 797045 usec > Avg 596825 usec > Stdev 111695 usec > Stdev mean 4415 usec > [admin@localhost ~]$ latt -c32 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=32 > Entries logged: 480 > > Wakeup averages > ------------------------------------- > Max 86032 usec > Avg 2147 usec > Stdev 7659 usec > Stdev mean 350 usec > > Work averages > ------------------------------------- > Max 374303 usec > Avg 309004 usec > Stdev 43155 usec > Stdev mean 1970 usec > [admin@localhost ~]$ latt -c16 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=16 > Entries logged: 320 > > Wakeup averages > ------------------------------------- > Max 41166 usec > Avg 1150 usec > Stdev 4706 usec > Stdev mean 263 usec > > Work averages > ------------------------------------- > Max 178917 usec > Avg 155367 usec > Stdev 16074 usec > Stdev mean 899 usec > [admin@localhost ~]$ latt -c8 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=8 > Entries logged: 184 > > Wakeup averages > ------------------------------------- > Max 20256 usec > Avg 585 usec > Stdev 2306 usec > Stdev mean 170 usec > > Work averages > ------------------------------------- > Max 88262 usec > Avg 75957 usec > Stdev 7102 usec > Stdev mean 524 usec > [admin@localhost ~]$ latt -c4 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=4 > Entries logged: 104 > > Wakeup averages > ------------------------------------- > Max 7950 usec > Avg 663 usec > Stdev 1719 usec > Stdev mean 169 usec > > Work averages > ------------------------------------- > Max 50647 usec > Avg 38685 usec > Stdev 4053 usec > Stdev mean 397 usec > [admin@localhost ~]$ latt -c2 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=2 > Entries logged: 54 > > Wakeup averages > ------------------------------------- > Max 33 usec > Avg 9 usec > Stdev 5 usec > Stdev mean 1 usec > > Work averages > ------------------------------------- > Max 21700 usec > Avg 20590 usec > Stdev 258 usec > Stdev mean 35 usec > [admin@localhost ~]$ latt -c1 sleep 10 > > Parameters: min_wait=100ms, max_wait=500ms, clients=1 > Entries logged: 27 > > Wakeup averages > ------------------------------------- > Max 22 usec > Avg 9 usec > Stdev 3 usec > Stdev mean 1 usec > > Work averages > ------------------------------------- > Max 20614 usec > Avg 20162 usec > Stdev 125 usec > Stdev mean 24 usec > > > > RIFS-V3 is the new name of RIFS-ES. It looks like CFS. but with RIFS, > the latency is much lower. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
