From owner-svn-src-head@freebsd.org Wed Jul 4 14:18:13 2018 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 1FD38103B311; Wed, 4 Jul 2018 14:18:13 +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 C658C7DFC4; Wed, 4 Jul 2018 14:18:12 +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 A7917438B; Wed, 4 Jul 2018 14:18:12 +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 w64EIC1E029567; Wed, 4 Jul 2018 14:18:12 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w64EICGu029566; Wed, 4 Jul 2018 14:18:12 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <201807041418.w64EICGu029566@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Wed, 4 Jul 2018 14:18:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r335955 - head/tools/tools/syscall_timing X-SVN-Group: head X-SVN-Commit-Author: trasz X-SVN-Commit-Paths: head/tools/tools/syscall_timing X-SVN-Commit-Revision: 335955 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.27 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: Wed, 04 Jul 2018 14:18:13 -0000 Author: trasz Date: Wed Jul 4 14:18:12 2018 New Revision: 335955 URL: https://svnweb.freebsd.org/changeset/base/335955 Log: Add a very simple memcpy benchmark. Obtained from: CheriBSD MFC after: 2 weeks Sponsored by: DARPA, AFRL Modified: head/tools/tools/syscall_timing/syscall_timing.c Modified: head/tools/tools/syscall_timing/syscall_timing.c ============================================================================== --- head/tools/tools/syscall_timing/syscall_timing.c Wed Jul 4 14:15:48 2018 (r335954) +++ head/tools/tools/syscall_timing/syscall_timing.c Wed Jul 4 14:18:12 2018 (r335955) @@ -343,6 +343,26 @@ test_getuid(uintmax_t num, uintmax_t int_arg __unused, } static uintmax_t +test_memcpy(uintmax_t num, uintmax_t int_arg, const char *path __unused) +{ + char buf[int_arg], buf2[int_arg]; + uintmax_t i; + + benchmark_start(); + BENCHMARK_FOREACH(i, num) { + /* + * Copy the memory there and back, to match the total amount + * moved by pipeping/pipepingtd tests. + */ + memcpy(buf2, buf, int_arg); + memcpy(buf, buf2, int_arg); + } + benchmark_stop(); + + return (i); +} + +static uintmax_t test_open_close(uintmax_t num, uintmax_t int_arg __unused, const char *path) { uintmax_t i; @@ -833,6 +853,13 @@ static const struct test tests[] = { { "getresuid", test_getresuid, .t_flags = 0 }, { "gettimeofday", test_gettimeofday, .t_flags = 0 }, { "getuid", test_getuid, .t_flags = 0 }, + { "memcpy_1", test_memcpy, .t_flags = 0, .t_int = 1 }, + { "memcpy_10", test_memcpy, .t_flags = 0, .t_int = 10 }, + { "memcpy_100", test_memcpy, .t_flags = 0, .t_int = 100 }, + { "memcpy_1000", test_memcpy, .t_flags = 0, .t_int = 1000 }, + { "memcpy_10000", test_memcpy, .t_flags = 0, .t_int = 10000 }, + { "memcpy_100000", test_memcpy, .t_flags = 0, .t_int = 100000 }, + { "memcpy_1000000", test_memcpy, .t_flags = 0, .t_int = 1000000 }, { "open_close", test_open_close, .t_flags = FLAG_PATH }, { "open_read_close_1", test_open_read_close, .t_flags = FLAG_PATH, .t_int = 1 },