From owner-svn-src-all@freebsd.org Wed Nov 14 13:06:49 2018 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 C56761127696; Wed, 14 Nov 2018 13:06:49 +0000 (UTC) (envelope-from trasz@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 56C3975E8C; Wed, 14 Nov 2018 13:06:49 +0000 (UTC) (envelope-from trasz@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 385091F5DA; Wed, 14 Nov 2018 13:06:49 +0000 (UTC) (envelope-from trasz@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wAED6nRp099654; Wed, 14 Nov 2018 13:06:49 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wAED6n1J099653; Wed, 14 Nov 2018 13:06:49 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <201811141306.wAED6n1J099653@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Wed, 14 Nov 2018 13:06:49 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340430 - head/contrib/jemalloc/src X-SVN-Group: head X-SVN-Commit-Author: trasz X-SVN-Commit-Paths: head/contrib/jemalloc/src X-SVN-Commit-Revision: 340430 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 56C3975E8C X-Spamd-Result: default: False [-106.87 / 200.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; ALLOW_DOMAIN_WHITELIST(-100.00)[FreeBSD.org]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; HAS_XAW(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; DMARC_NA(0.00)[FreeBSD.org]; RCVD_COUNT_THREE(0.00)[4]; MX_GOOD(-0.01)[cached: mx1.FreeBSD.org]; NEURAL_HAM_SHORT(-0.99)[-0.992,0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; IP_SCORE(-3.77)[ip: (-9.91), ipnet: 2610:1c1:1::/48(-4.93), asn: 11403(-3.91), country: US(-0.10)] X-Rspamd-Server: mx1.freebsd.org 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: Wed, 14 Nov 2018 13:06:50 -0000 Author: trasz Date: Wed Nov 14 13:06:48 2018 New Revision: 340430 URL: https://svnweb.freebsd.org/changeset/base/340430 Log: Pick 57553c3b1a5592dc4c03f3c6831d9b794e523865 from upstream: Avoid touching all pages in extent_recycle for debug build. We may have a large number of pages with *zero set (since they are populated on demand). Only check the first page to avoid paging in all of them. This makes it easy to compare performance with and without 'retain:true'. Discussed with: jasone Obtained from: Qi Wang MFC after: 2 weeks Sponsored by: DARPA, AFRL Modified: head/contrib/jemalloc/src/extent.c Modified: head/contrib/jemalloc/src/extent.c ============================================================================== --- head/contrib/jemalloc/src/extent.c Wed Nov 14 09:06:15 2018 (r340429) +++ head/contrib/jemalloc/src/extent.c Wed Nov 14 13:06:48 2018 (r340430) @@ -1113,14 +1113,15 @@ extent_recycle(tsdn_t *tsdn, arena_t *arena, extent_ho if (*zero) { void *addr = extent_base_get(extent); - size_t size = extent_size_get(extent); if (!extent_zeroed_get(extent)) { + size_t size = extent_size_get(extent); if (pages_purge_forced(addr, size)) { memset(addr, 0, size); } } else if (config_debug) { size_t *p = (size_t *)(uintptr_t)addr; - for (size_t i = 0; i < size / sizeof(size_t); i++) { + /* Check the first page only. */ + for (size_t i = 0; i < PAGE / sizeof(size_t); i++) { assert(p[i] == 0); } }