svn commit: r340216 - head/tools/tools/syscall_timing
Edward Tomasz Napierala
trasz at FreeBSD.org
Wed Nov 7 11:46:13 UTC 2018
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 },
};
More information about the svn-src-all
mailing list