From owner-svn-src-head@freebsd.org Thu Nov 2 12:14:44 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 34C51E582C0; Thu, 2 Nov 2017 12:14:44 +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 mx1.freebsd.org (Postfix) with ESMTPS id 039977C60B; Thu, 2 Nov 2017 12:14:43 +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 vA2CEhGm025932; Thu, 2 Nov 2017 12:14:43 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id vA2CEhAT025931; Thu, 2 Nov 2017 12:14:43 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <201711021214.vA2CEhAT025931@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Thu, 2 Nov 2017 12:14:43 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r325316 - 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: 325316 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: 2.1.23 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: Thu, 02 Nov 2017 12:14:44 -0000 Author: trasz Date: Thu Nov 2 12:14:42 2017 New Revision: 325316 URL: https://svnweb.freebsd.org/changeset/base/325316 Log: Add benchmark for getresuid(2) - three pointers, although only "output" ones, and quite lightwait. The purpose of this commit, and the previous one, is to be able to measure overhead of pointer arguments - in case you're running a strange architecture where pointers and integers are quite different things at the hardware level. 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 Thu Nov 2 12:13:02 2017 (r325315) +++ head/tools/tools/syscall_timing/syscall_timing.c Thu Nov 2 12:14:42 2017 (r325316) @@ -132,6 +132,22 @@ test_getppid(uintmax_t num, uintmax_t int_arg, const c } uintmax_t +test_getresuid(uintmax_t num, uintmax_t int_arg, const char *path) +{ + uid_t ruid, euid, suid; + uintmax_t i; + + benchmark_start(); + for (i = 0; i < num; i++) { + if (alarm_fired) + break; + (void)getresuid(&ruid, &euid, &suid); + } + benchmark_stop(); + return (i); +} + +uintmax_t test_clock_gettime(uintmax_t num, uintmax_t int_arg, const char *path) { struct timespec ts; @@ -673,6 +689,7 @@ struct test { static const struct test tests[] = { { "getuid", test_getuid }, { "getppid", test_getppid }, + { "getresuid", test_getresuid }, { "clock_gettime", test_clock_gettime }, { "gettimeofday", test_gettimeofday }, { "getpriority", test_getpriority },