Date: Tue, 24 Mar 2015 19:26:09 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: Konstantin Belousov <kostikbel@gmail.com>, Mike Tancsa <mike@sentex.net> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@FreeBSD.org>, John-Mark Gurney <jmg@funkthat.com>, d@delphij.net, John Baldwin <jhb@FreeBSD.org> Subject: Re: RELENG_10 performance regression (was Re: 35-40% performance drop releng9 vs releng10 openvpn Message-ID: <5511F291.3070202@FreeBSD.org> In-Reply-To: <20150321184238.GO2379@kib.kiev.ua> References: <5509D6C6.4050204@sentex.net> <20150318211457.GL51048@funkthat.com> <550B6950.8060806@sentex.net> <550C5AAF.9060502@sentex.net> <550C8AEE.4090408@sentex.net> <550CB306.7030405@delphij.net> <20150321001559.GB2379@kib.kiev.ua> <550CBF80.6030809@sentex.net> <550D93C7.9080709@FreeBSD.org> <550DB4B2.7080603@sentex.net> <20150321184238.GO2379@kib.kiev.ua>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 03/21/2015 14:42, Konstantin Belousov wrote: > It seems to be a consequnce of the code from r222869. The > test_tsc() does not trust the P-state invariant report and > explicitely check for the family. Your CPU family is 0x14, while > code only bumps TSC priority for family 0x15+. We need to find out whether the Bobcat cores have well-synchronized TSCs. If it does, we can white-list it, too. However, I doubt it. Sorry for the late response, Jung-uk Kim -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJVEfKMAAoJEHyflib82/FGZUgH/RZ8LBBeW2ue+0SIJj8Er9Ni uyEA3KJL7ZmdjuGUtOdDl3s3cwHcTxbKN39rdabjOyJy/OoNnJK3GfL8UgYSpERa ztdHHNLbxJK9Z3iN7rvjXxQMHBJy3D4LIQ9BXFau3xcO7K8WDXqdHjUZx/ujrSpU WwDoZRFohvUf2FT1J23NfWBOx0Mnls3PrQm4f6YLhVst6RojDgx8XA24LyIm+AkF WUZcPttydp9nde1Hc7qyFI5qB3ZMhT1tG9jp+J2jQWeqCn/SPR3VymF+Lyz/T0sC POEa6NTJf4lWXOHRZ21Fdkrtr1hBltdO1FImX9M2iNlyRwz57UsNW6yJawGhYJA= =w6Hk -----END PGP SIGNATURE-----
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