Messages in this thread | | | Date | Thu, 23 May 2002 17:27:13 -0300 (BRT) | From | Marcelo Tosatti <> | Subject | Re: IO stats in /proc/partitions |
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On Thu, 16 May 2002, Christoph Hellwig wrote:
> On Wed, May 15, 2002 at 06:39:03PM -0300, Marcelo Tosatti wrote: > > > On the other hand, disk statistics should not be in > > > /proc/partitions. They should be in /proc/diskstatistics. > > > I see a heading today "rio rmerge rsect ruse wio wmerge" > > > "wsect wuse running use aveq". No doubt next year we'll > > > want different statistics. So /proc/diskstatistics should > > > start with a header line including a version field. > > > > > > Please keep these disk statistics apart from /proc/partitions. > > > > The change can possibly break userlevel tools which were working with > > 2.4.18. > > > > Christoph, please create a /proc/diskstatistics file or something like > > that and send me a patch. > > I rather send a complete backout patch for mainline instead. This format > has been used by the vendor (Red Hat, SuSE, etc..) kernels since 2.2 ages > and is used (if present) by the stock performance tools for linux > (i.e. syststat package, iostats
Look, I just do not want to break some apps which read /proc/partitions. Thats it.
Look, changing the userlevel apps to at least know about the new format is not hard. And you can do that over time.
Do you see why I think /proc/whatever-else is interesting ?
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