Messages in this thread | | | Subject | Re: how to empty buffers/cache? | From | Soeren Sonnenburg <> | Date | Tue, 13 May 2008 18:58:16 +0200 |
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On Sat, 2008-05-10 at 00:11 +0200, Alejandro Riveira Fernández wrote: > El Fri, 09 May 2008 21:49:47 +0000 > Soeren Sonnenburg <kernel@nn7.de> escribió: > > > Dear all, > > > > I am trying to perform some benchmarks that involve reading the same big > > file a couple of times from disk. However I would want to make sure that > > the file is not buffered/cached by the kernel when I read the file a > > second/third/etc time. > > > > Is there a way (except rebooting/unmounting the disk) to clear the > > buffers? > > echo 3 > /proc/sys/vm/drop_caches IIRC
thank you both very much ( echo 3 > ... is what I was looking for)
Soeren -- 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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