From owner-svn-src-head@freebsd.org Fri Jan 4 17:25:49 2019 Return-Path: Delivered-To: svn-src-head@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 112F51432E56; Fri, 4 Jan 2019 17:25:49 +0000 (UTC) (envelope-from kib@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 ADB17727B8; Fri, 4 Jan 2019 17:25:48 +0000 (UTC) (envelope-from kib@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 9B5513E97; Fri, 4 Jan 2019 17:25:48 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x04HPm0i037653; Fri, 4 Jan 2019 17:25:48 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x04HPmIt037652; Fri, 4 Jan 2019 17:25:48 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201901041725.x04HPmIt037652@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Fri, 4 Jan 2019 17:25:48 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342767 - in head/sys: amd64/amd64 i386/i386 X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: in head/sys: amd64/amd64 i386/i386 X-SVN-Commit-Revision: 342767 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: ADB17727B8 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.997,0]; NEURAL_HAM_SHORT(-0.96)[-0.964,0]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Jan 2019 17:25:49 -0000 Author: kib Date: Fri Jan 4 17:25:47 2019 New Revision: 342767 URL: https://svnweb.freebsd.org/changeset/base/342767 Log: x86: Report per-cpu IPI TLB shootdown generation in ddb 'show pcpu' output. It is useful for inspecting tlb shootdown hangs. The smp_tlb_generation value is available using regular ddb data inspection commands. Sponsored by: The FreeBSD Foundation MFC after: 3 days Modified: head/sys/amd64/amd64/db_interface.c head/sys/i386/i386/db_interface.c Modified: head/sys/amd64/amd64/db_interface.c ============================================================================== --- head/sys/amd64/amd64/db_interface.c Fri Jan 4 17:14:50 2019 (r342766) +++ head/sys/amd64/amd64/db_interface.c Fri Jan 4 17:25:47 2019 (r342767) @@ -104,4 +104,5 @@ db_show_mdpcpu(struct pcpu *pc) db_printf("gs32p = %p\n", pc->pc_gs32p); db_printf("ldt = %p\n", pc->pc_ldt); db_printf("tss = %p\n", pc->pc_tss); + db_printf("tlb gen = %u\n", pc->pc_smp_tlb_done); } Modified: head/sys/i386/i386/db_interface.c ============================================================================== --- head/sys/i386/i386/db_interface.c Fri Jan 4 17:14:50 2019 (r342766) +++ head/sys/i386/i386/db_interface.c Fri Jan 4 17:25:47 2019 (r342767) @@ -118,4 +118,5 @@ db_show_mdpcpu(struct pcpu *pc) db_printf("trampstk = 0x%x\n", pc->pc_trampstk); db_printf("kesp0 = 0x%x\n", pc->pc_kesp0); db_printf("common_tssp = 0x%x\n", (u_int)pc->pc_common_tssp); + db_printf("tlb gen = %u\n", pc->pc_smp_tlb_done); }