From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.61]) by sourceware.org (Postfix) with ESMTP id A9B69386F800 for ; Wed, 20 May 2020 18:05:08 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org A9B69386F800 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-124-1mPy2DrINASVU8jkUk25FQ-1; Wed, 20 May 2020 14:05:06 -0400 X-MC-Unique: 1mPy2DrINASVU8jkUk25FQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8F6E6107ACF2; Wed, 20 May 2020 18:05:05 +0000 (UTC) Received: from oldenburg2.str.redhat.com (ovpn-113-191.ams2.redhat.com [10.36.113.191]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B238182E7E; Wed, 20 May 2020 18:05:04 +0000 (UTC) From: Florian Weimer To: Alexander Monakov via Libc-alpha Subject: Re: [PATCH] benchtests: Restore the clock_gettime option References: <20200519203053.9854-1-hjl.tools@gmail.com> Date: Wed, 20 May 2020 20:05:03 +0200 In-Reply-To: (Alexander Monakov via Libc-alpha's message of "Wed, 20 May 2020 01:16:09 +0300 (MSK)") Message-ID: <87zha28ots.fsf@oldenburg2.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-9.0 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 May 2020 18:05:10 -0000 * Alexander Monakov via Libc-alpha: > I am well aware. Again: rdtsc does not count CPU cycles on recent > Intel CPUs. H.J. probably has a different view on what those =E2=80=9Crecent Intel CPUs= =E2=80=9D are. 8-) I have not reviewed the mechanics of the patch, but if we need this for some CPUs, we should make the change. Thanks, Florian