Date: Wed, 7 Nov 2018 11:46:12 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340216 - head/tools/tools/syscall_timing Message-ID: <201811071146.wA7BkCgI038800@repo.freebsd.org>
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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 }, };
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