From owner-svn-src-all@freebsd.org Thu Apr 4 02:05:52 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2508C155D31E; Thu, 4 Apr 2019 02:05:52 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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 "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B4B0A77294; Thu, 4 Apr 2019 02:05:51 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id A218E1EB15; Thu, 4 Apr 2019 02:05:51 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x3425puJ045336; Thu, 4 Apr 2019 02:05:51 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x3425pxY045334; 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 Date: Thu, 4 Apr 2019 02:05:51 +0000 (UTC) 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 X-Rspamd-Queue-Id: B4B0A77294 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_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.978,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list 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: , X-List-Received-Date: Thu, 04 Apr 2019 02:05:52 -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;