Re: [patch][rfc] quell interactive feeding frenzy

From: Al Boldi
Date: Mon Apr 10 2006 - 10:45:56 EST


bert hubert wrote:
> In general, Linux systems are not maxed out as they will disappoint that
> way (like any system running with id=0).

top - 16:59:23 up 29 min, 0 users, load average: 993.49, 796.33, 496.21
Tasks: 1039 total, 1000 running, 39 sleeping, 0 stopped, 0 zombie
Cpu(s): 47.6% user, 52.4% system, 0.0% nice, 0.0% idle, 0.0% IO-wait
Mem: 125796k total, 123344k used, 2452k free, 64k buffers
Swap: 1020088k total, 9176k used, 1010912k free, 1752k cached

PID PR NI VIRT RES SHR SWAP S %CPU TIME+ Command
3946 28 0 2404 1460 720 944 R 5.8 0:14.78 top
4219 37 0 1580 488 416 1092 R 3.0 0:00.45 ping
4214 37 0 1584 480 408 1104 R 2.8 0:00.46 ping
4196 37 0 1580 480 408 1100 R 2.5 0:00.45 ping
4175 37 0 1584 488 416 1096 R 2.3 0:00.30 ping
3950 37 1 1580 492 416 1088 R 2.0 0:08.77 ping
4136 37 0 1580 488 416 1092 R 2.0 0:00.36 ping
4158 37 0 1584 484 408 1100 R 2.0 0:00.35 ping
4177 37 0 1580 480 408 1100 R 2.0 0:00.27 ping
4180 37 0 1580 484 408 1096 R 2.0 0:00.33 ping
4194 37 0 1580 480 408 1100 R 2.0 0:00.40 ping
4199 37 0 1584 484 408 1100 R 2.0 0:00.47 ping
4189 37 0 1580 488 416 1092 R 1.8 0:00.43 ping
4153 37 0 1584 480 408 1104 R 1.5 0:00.31 ping
4170 37 0 1584 484 408 1100 R 1.5 0:00.30 ping
4191 37 0 1584 492 416 1092 R 1.5 0:00.41 ping
4209 37 0 1584 484 408 1100 R 1.5 0:00.39 ping
4215 37 0 1584 484 408 1100 R 1.5 0:00.39 ping
4221 37 0 1580 492 416 1088 R 1.5 0:00.37 ping
4146 37 0 1580 488 416 1092 R 1.3 0:00.29 ping
4156 37 0 1584 484 408 1100 R 1.3 0:00.32 ping
4166 37 0 1584 488 416 1096 R 1.3 0:00.33 ping
4183 37 0 1580 480 408 1100 R 1.3 0:00.37 ping
4216 37 0 1584 480 408 1104 R 1.3 0:00.39 ping
4229 37 0 1584 484 408 1100 R 1.3 0:00.41 ping
4233 37 0 1584 488 416 1096 R 1.3 0:00.41 ping
4137 37 0 1580 484 408 1096 R 1.0 0:00.33 ping
4141 37 0 1584 484 408 1100 R 1.0 0:00.31 ping
4150 37 0 1580 484 408 1096 R 1.0 0:00.30 ping
4161 37 0 1580 480 408 1100 R 1.0 0:00.29 ping
4172 37 0 1584 484 408 1100 R 1.0 0:00.28 ping
4178 37 0 1580 480 408 1100 R 1.0 0:00.25 ping
4182 37 0 1584 484 408 1100 R 1.0 0:00.23 ping

After that the loadavg starts to wrap.
And even then it is possible to login.
And that's not with the default 2.6 scheduler, but rather w/ spa.

Thanks!

--
Al



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