Author: trasz
Date: Mon Apr 16 17:27:13 2018
New Revision: 332625
URL: https://svnweb.freebsd.org/changeset/base/332625
Log:
MFC r325315:
Add select(2) benchmark. It takes four pointers; unfortunately it's
somewhat heavy.
Modified:
stable/11/tools/tools/syscall_timing/syscall_timing.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/tools/tools/syscall_timing/syscall_timing.c
==============================================================================
--- stable/11/tools/tools/syscall_timing/syscall_timing.c Mon Apr 16
17:26:32 2018 (r332624)
+++ stable/11/tools/tools/syscall_timing/syscall_timing.c Mon Apr 16
17:27:13 2018 (r332625)
@@ -177,7 +177,6 @@ test_getpriority(uintmax_t num, uintmax_t int_arg, con
return (i);
}
-
uintmax_t
test_pipe(uintmax_t num, uintmax_t int_arg, const char *path)
{
@@ -207,6 +206,31 @@ test_pipe(uintmax_t num, uintmax_t int_arg, const char
}
uintmax_t
+test_select(uintmax_t num, uintmax_t int_arg, const char *path)
+{
+ fd_set readfds, writefds, exceptfds;
+ struct timeval tv;
+ uintmax_t i;
+ int error;
+
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+ FD_ZERO(&exceptfds);
+
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
+
+ benchmark_start();
+ for (i = 0; i < num; i++) {
+ if (alarm_fired)
+ break;
+ (void)select(0, &readfds, &writefds, &exceptfds, &tv);
+ }
+ benchmark_stop();
+ return (i);
+}
+
+uintmax_t
test_socket_stream(uintmax_t num, uintmax_t int_arg, const char *path)
{
uintmax_t i;
@@ -667,6 +691,7 @@ static const struct test tests[] = {
{ "gettimeofday", test_gettimeofday },
{ "getpriority", test_getpriority },
{ "pipe", test_pipe },
+ { "select", test_select },
{ "socket_local_stream", test_socket_stream, .t_int = PF_LOCAL },
{ "socket_local_dgram", test_socket_dgram, .t_int = PF_LOCAL },
{ "socketpair_stream", test_socketpair_stream },
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