From owner-svn-src-all@freebsd.org Tue Sep 3 14:06:32 2019 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 6FFEBDC44F; Tue, 3 Sep 2019 14:06:09 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46N7z45lCyz4PF5; Tue, 3 Sep 2019 14:06:08 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1452) id 729321A1E0; Tue, 3 Sep 2019 14:05:59 +0000 (UTC) X-Original-To: yuripv@localmail.freebsd.org Delivered-To: yuripv@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id DD7E18EC7; 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Thu, 4 Apr 2019 02:05:51 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201904040205.x3425pxY045334@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r345867 - in stable/12/sys/cddl/dev/dtrace: amd64 i386 X-SVN-Group: stable-12 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: in stable/12/sys/cddl/dev/dtrace: amd64 i386 X-SVN-Commit-Revision: 345867 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 3D0217729E X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.98)[-0.983,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:06:33 -0000 X-Original-Date: Thu, 4 Apr 2019 02:05:51 +0000 (UTC) X-List-Received-Date: Tue, 03 Sep 2019 14:06:33 -0000 Author: markj Date: Thu Apr 4 02:05:50 2019 New Revision: 345867 URL: https://svnweb.freebsd.org/changeset/base/345867 Log: MFC r345359, r345384: Don't attempt to measure TSC skew when running as a VM guest. PR: 218452 Modified: stable/12/sys/cddl/dev/dtrace/amd64/dtrace_subr.c stable/12/sys/cddl/dev/dtrace/i386/dtrace_subr.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/cddl/dev/dtrace/amd64/dtrace_subr.c ============================================================================== --- stable/12/sys/cddl/dev/dtrace/amd64/dtrace_subr.c Thu Apr 4 01:23:06 2019 (r345866) +++ stable/12/sys/cddl/dev/dtrace/amd64/dtrace_subr.c Thu Apr 4 02:05:50 2019 (r345867) @@ -319,6 +319,9 @@ dtrace_gethrtime_init(void *arg) int i; #endif + if (vm_guest != VM_GUEST_NO) + return; + /* The current CPU is the reference one. */ sched_pin(); tsc_skew[curcpu] = 0; Modified: stable/12/sys/cddl/dev/dtrace/i386/dtrace_subr.c ============================================================================== --- stable/12/sys/cddl/dev/dtrace/i386/dtrace_subr.c Thu Apr 4 01:23:06 2019 (r345866) +++ stable/12/sys/cddl/dev/dtrace/i386/dtrace_subr.c Thu Apr 4 02:05:50 2019 (r345867) @@ -321,6 +321,9 @@ dtrace_gethrtime_init(void *arg) int i; #endif + if (vm_guest != VM_GUEST_NO) + return; + /* The current CPU is the reference one. */ sched_pin(); tsc_skew[curcpu] = 0;