From owner-dev-commits-src-all@freebsd.org Mon Jun 21 03:29:14 2021 Return-Path: Delivered-To: dev-commits-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 3405365E798; Mon, 21 Jun 2021 03:29:14 +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 4G7Zkx4bmBz3nDX; Mon, 21 Jun 2021 03:29:13 +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 7AE1215E5A; Mon, 21 Jun 2021 03:29:13 +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 15L3TDBe076372; Mon, 21 Jun 2021 03:29:13 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 15L3TD10076371; Mon, 21 Jun 2021 03:29:13 GMT (envelope-from git) Date: Mon, 21 Jun 2021 03:29:13 GMT Message-Id: <202106210329.15L3TD10076371@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: fe51b5a76de3 - main - kern_tslog: Include tslog data from loader 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: fe51b5a76de38d20cddc05a4c6cb1103d1a0547e Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jun 2021 03:29:14 -0000 The branch main has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=fe51b5a76de38d20cddc05a4c6cb1103d1a0547e commit fe51b5a76de38d20cddc05a4c6cb1103d1a0547e Author: Colin Percival AuthorDate: 2021-05-30 23:25:01 +0000 Commit: Colin Percival CommitDate: 2021-06-21 03:09:47 +0000 kern_tslog: Include tslog data from loader The i386 loader (and hopefully others to come) now passes tslog data as a "preloaded module". Include this in the data returned by the debug.tslog sysctl. Reviewed by: kevans --- sys/kern/kern_tslog.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/sys/kern/kern_tslog.c b/sys/kern/kern_tslog.c index a0cb230f191c..dd3b25158340 100644 --- a/sys/kern/kern_tslog.c +++ b/sys/kern/kern_tslog.c @@ -28,6 +28,8 @@ __FBSDID("$FreeBSD$"); #include +#include +#include #include #include #include @@ -74,6 +76,9 @@ sysctl_debug_tslog(SYSCTL_HANDLER_ARGS) int error; struct sbuf *sb; size_t i, limit; + caddr_t loader_tslog; + void * loader_tslog_buf; + size_t loader_tslog_len; /* * This code can race against the code in tslog() which stores @@ -84,6 +89,16 @@ sysctl_debug_tslog(SYSCTL_HANDLER_ARGS) * anyone will ever experience this race. */ sb = sbuf_new_for_sysctl(NULL, NULL, 1024, req); + + /* Get data from the boot loader, if it provided any. */ + loader_tslog = preload_search_by_type("TSLOG data"); + if (loader_tslog != NULL) { + loader_tslog_buf = preload_fetch_addr(loader_tslog); + loader_tslog_len = preload_fetch_size(loader_tslog); + sbuf_bcat(sb, loader_tslog_buf, loader_tslog_len); + } + + /* Add data logged within the kernel. */ limit = MIN(nrecs, nitems(timestamps)); for (i = 0; i < limit; i++) { sbuf_printf(sb, "%p", timestamps[i].td);