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From: Olaf Hering <olaf@aepfle.de>
To: Jan Beulich <JBeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	Wei Liu <wei.liu2@citrix.com>,
	xen-devel <xen-devel@lists.xenproject.org>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [PATCH v12] tolerate jitter in cpu_khz calculation to avoid TSC emulation
Date: Mon, 11 Mar 2019 13:09:31 +0100	[thread overview]
Message-ID: <20190311130931.737ee8c6.olaf@aepfle.de> (raw)
In-Reply-To: <5C864446020000780021D29A@prv1-mh.provo.novell.com>


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Am Mon, 11 Mar 2019 05:19:34 -0600
schrieb "Jan Beulich" <JBeulich@suse.com>:

> But of course the seemingly
> random 200 will itself need a much better reasoning, or at least a
> clear indication of the data base (number of different systems) that
> it was derived from. "Large number of hosts", after all, may mean 12
> to you and tens of thousands to me.

How many hosts would be relevant?
My own test hosts calibrate itself in a range of maybe 30 khz.
I gave up to track the exact numbers after every reboot.

If it helps, I can gather 'cpu_khz' once again.


Olaf

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  parent reply	other threads:[~2019-03-11 12:09 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-08 19:20 [PATCH v12] tolerate jitter in cpu_khz calculation to avoid TSC emulation Olaf Hering
2019-03-08 19:29 ` Olaf Hering
2019-03-11 10:02   ` Jan Beulich
2019-03-11 10:26     ` Olaf Hering
2019-03-11 10:42       ` Jan Beulich
2019-03-11 10:16 ` Jan Beulich
2019-03-11 10:49   ` Olaf Hering
2019-03-11 11:19     ` Jan Beulich
2019-03-11 11:57       ` Olaf Hering
2019-03-11 14:07         ` Jan Beulich
2019-03-11 12:09       ` Olaf Hering [this message]
2019-03-11 14:11         ` Jan Beulich
2019-03-12 10:03   ` Olaf Hering

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