From owner-dev-commits-src-main@freebsd.org Fri Sep 10 00:02:27 2021 Return-Path: Delivered-To: dev-commits-src-main@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 15F016793E8; Fri, 10 Sep 2021 00:02:27 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4H5GJy74Z4z4jbD; Fri, 10 Sep 2021 00:02:26 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D442B2286A; Fri, 10 Sep 2021 00:02:26 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 18A02QOC004257; Fri, 10 Sep 2021 00:02:26 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 18A02Q91004256; Fri, 10 Sep 2021 00:02:26 GMT (envelope-from git) Date: Fri, 10 Sep 2021 00:02:26 GMT Message-Id: <202109100002.18A02Q91004256@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Colin Percival Subject: git: cd165c8bf054 - main - x86/tsc.c: Add TSLOG to test_tsc MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: cperciva X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: cd165c8bf05452d38ce552ae819d87378fecf52f Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Sep 2021 00:02:27 -0000 The branch main has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=cd165c8bf05452d38ce552ae819d87378fecf52f commit cd165c8bf05452d38ce552ae819d87378fecf52f Author: Colin Percival AuthorDate: 2021-09-10 00:01:00 +0000 Commit: Colin Percival CommitDate: 2021-09-10 00:02:15 +0000 x86/tsc.c: Add TSLOG to test_tsc On my benchmark system this takes ~ 14 ms; enough to be worth recording in the boot time profile. --- sys/x86/x86/tsc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/x86/x86/tsc.c b/sys/x86/x86/tsc.c index 0ebcea895cd3..15e6037c68ee 100644 --- a/sys/x86/x86/tsc.c +++ b/sys/x86/x86/tsc.c @@ -511,6 +511,7 @@ test_tsc(int adj_max_count) if (vm_guest == VM_GUEST_VBOX) return (0); + TSENTER(); size = (mp_maxid + 1) * 3; data = malloc(sizeof(*data) * size * N, M_TEMP, M_WAITOK); adj = 0; @@ -531,6 +532,7 @@ retry: printf("SMP: %sed TSC synchronization test%s\n", smp_tsc ? "pass" : "fail", adj > 0 ? " after adjustment" : ""); + TSEXIT(); if (smp_tsc && tsc_is_invariant) { switch (cpu_vendor_id) { case CPU_VENDOR_AMD: