Rapid context switching on our User Mode Linux host

Now with hundreds of thousands of context switches per second I'm surprised that the box has any time to do any work in userland!


procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
13 0 2760 17060 15596 3767972 0 0 76 224 354 146832 30 70 0 0
10 0 2760 16944 15596 3768020 0 0 48 0 355 135414 45 55 0 0
10 0 2760 16556 15596 3768532 0 0 28 0 349 143074 37 63 0 0
9 0 2760 17380 15596 3767776 0 0 80 0 330 141158 41 59 0 0
9 1 2760 17140 15596 3767852 0 0 20 0 356 144483 39 61 0 0
9 0 2760 17152 15596 3767888 0 0 36 160 322 145730 37 63 0 0
9 0 2760 17000 15596 3768020 0 0 108 0 354 139198 38 62 0 0
6 1 2760 17660 15596 3767264 0 0 72 0 285 129292 48 52 0 0