On Wed, 2009-07-22 at 15:44 +0200, Luk Claes wrote: > Petter Reinholdtsen wrote: > > I just did a few benchmarks using Squeeze, and wanted to share the > > numbers with you. I first installed squeeze using an lenny debian > > installation over PXE, next ran tasksel to install the KDE desktop and > > the laptop task and finally installed bootchart to start on the > > benchmark tests. The measurement is from the kernel starts until the > > bootchart script in rc2.d/ is executed. Because of bug #491391, the > > measurements with insserv are a bit skewed. The benchmark was done on > > a Dell Latitude D505. > > Did we already report a bug to get the better bootchart into Debian, I > don't seem to find it? > > The readahead in Debian seems to be quite old, Raphael Geissert tried > the one from RedHat which seems to be better, maybe we should consider > having readahead upgraded or use the improved sreadahead that could work > beside sdd? > The "improved" sreadahead is available from my branch:
https://code.edge.launchpad.net/~scott/sreadahead/fixes Until syscall tracepoints finally get merged into the upstream kernel, it needs a small kernel patch: http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-karmic.git;a=commit;h=35845062945c1af07b5492b0ba2a6b31b9d6a8b1 I've been working on an HDD mode for it, which I'm going to push today. Scott -- Scott James Remnant [email protected]
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