Messages in this thread | | | Date | Mon, 24 Mar 2003 14:04:35 -0800 | From | Larry McVoy <> | Subject | Re: lmbench results for 2.4 and 2.5 -- updated results |
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On Mon, Mar 24, 2003 at 03:36:02PM -0800, Andrew Morton wrote: > "Martin J. Bligh" <mbligh@aracnet.com> wrote: > > > > On a slightly related note, I played with lmbench a bit over the weekend, > > but the results were too unstable to be useful ... they're also too short > > to profile ;-( > > > > I presume it does 100 iterations of a test (like fork latency?). Or does > > it just do one? Can I make it do 1,000,000 iterations or something > > fairly easily ? ;-) I didn't really look closely, just apt-get install > > lmbench ... > > Yes, that is something I've wanted several times. Just a way to say "run > this test for ever so I can profile the thing". > > Even a sleazy environment string would suffice.
It's been there, I suppose you need to read the source to figure it out though the lmbench script also plays with this I believe.
work ~/LMbench2/bin/i686-pc-linux-gnu ENOUGH=1000000 time bw_pipe Pipe bandwidth: 655.37 MB/sec real 0m23.411s user 0m0.480s sys 0m1.180s
work ~/LMbench2/bin/i686-pc-linux-gnu time bw_pipe Pipe bandwidth: 809.81 MB/sec
real 0m2.821s user 0m0.480s sys 0m1.180s
-- --- Larry McVoy lm at bitmover.com http://www.bitmover.com/lm - 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/
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