From owner-svn-src-head@freebsd.org Wed Nov 7 11:46:13 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 346A6112448B; Wed, 7 Nov 2018 11:46:13 +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 B231C8D95C; Wed, 7 Nov 2018 11:46:12 +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 7A3A4153B4; Wed, 7 Nov 2018 11:46:12 +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 wA7BkCCc038801; Wed, 7 Nov 2018 11:46:12 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wA7BkCgI038800; Wed, 7 Nov 2018 11:46:12 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <201811071146.wA7BkCgI038800@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Wed, 7 Nov 2018 11:46:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340216 - 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: 340216 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: B231C8D95C X-Spamd-Result: default: False [-103.11 / 200.00]; ALLOW_DOMAIN_WHITELIST(-100.00)[FreeBSD.org]; TO_DN_NONE(0.00)[]; HAS_XAW(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; RCVD_COUNT_THREE(0.00)[4]; MX_GOOD(-0.01)[cached: mx1.FreeBSD.org]; NEURAL_HAM_SHORT(-1.00)[-0.997,0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; 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]; DMARC_NA(0.00)[FreeBSD.org] X-Rspamd-Server: mx1.freebsd.org 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: Wed, 07 Nov 2018 11:46:13 -0000 Author: trasz Date: Wed Nov 7 11:46:12 2018 New Revision: 340216 URL: https://svnweb.freebsd.org/changeset/base/340216 Log: Add benchmarks for lstat(2) and readlink(2). 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 Nov 7 11:14:22 2018 (r340215) +++ head/tools/tools/syscall_timing/syscall_timing.c Wed Nov 7 11:46:12 2018 (r340216) @@ -335,6 +335,23 @@ test_getuid(uintmax_t num, uintmax_t int_arg __unused, } static uintmax_t +test_lstat(uintmax_t num, uintmax_t int_arg __unused, const char *path) +{ + struct stat sb; + uintmax_t i; + int error; + + benchmark_start(); + BENCHMARK_FOREACH(i, num) { + error = lstat(path, &sb); + if (error != 0) + err(-1, "lstat"); + } + benchmark_stop(); + return (i); +} + +static uintmax_t test_memcpy(uintmax_t num, uintmax_t int_arg, const char *path __unused) { char buf[int_arg], buf2[int_arg]; @@ -824,6 +841,23 @@ test_socketpair_dgram(uintmax_t num, uintmax_t int_arg } static uintmax_t +test_readlink(uintmax_t num, uintmax_t int_arg __unused, const char *path) +{ + char buf[PATH_MAX]; + ssize_t rv; + uintmax_t i; + + benchmark_start(); + BENCHMARK_FOREACH(i, num) { + rv = readlink(path, buf, sizeof(buf)); + if (rv < 0 && errno != EINVAL) + err(-1, "readlink"); + } + benchmark_stop(); + return (i); +} + +static uintmax_t test_vfork(uintmax_t num, uintmax_t int_arg __unused, const char *path __unused) { pid_t pid; @@ -904,6 +938,7 @@ static const struct test tests[] = { { "getresuid", test_getresuid, .t_flags = 0 }, { "gettimeofday", test_gettimeofday, .t_flags = 0 }, { "getuid", test_getuid, .t_flags = 0 }, + { "lstat", test_lstat, .t_flags = FLAG_PATH }, { "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 }, @@ -962,6 +997,7 @@ static const struct test tests[] = { { "socketpair_dgram", test_socketpair_dgram, .t_flags = 0 }, { "socket_tcp", test_socket_stream, .t_int = PF_INET }, { "socket_udp", test_socket_dgram, .t_int = PF_INET }, + { "readlink", test_readlink, .t_flags = FLAG_PATH }, { "vfork", test_vfork, .t_flags = 0 }, { "vfork_exec", test_vfork_exec, .t_flags = 0 }, };