Messages in this thread | | | From | "Denys" <> | Subject | Re: 2.6.21 -> 2.6.22 & 2.6.23-rc8 performance regression | Date | Mon, 1 Oct 2007 13:30:52 +0300 |
| |
Already i did, and it didn't show real failure point.
On 01 Oct 2007 12:01:24 +0200, Andi Kleen wrote > "Denys" <nuclearcat@nuclearcat.com> writes: > > > by mistake i will miss a point (it can detect bug easily, IF softirq in > > mpstat 1 will jump up to 30+%. On 2.6.21 it is always staying +-10%, on > > "buggy" version it jumps up to 100%. Now cause less load at night up to 30- > > 50%, so on hardware it is not very noticeable (thats why maybe not much > > feedbacks), i am trying to utilise hardware maximum as possible - so i feel > > regressions much more. > > You could use oprofile to find where the CPU time is spent > > -Andi
-- Denys Fedoryshchenko Technical Manager Virtual ISP S.A.L.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |