PERFORCE change 174284 for review

[Robert Watson]

http://p4web.freebsd.org/chv.cgi?CH=174284

Change 174284 by rwatson at rwatson_vimage_client on 2010/02/03 22:29:44

	Micro-benchmarks for chroot() and setuid().

Affected files ...

.. //depot/projects/trustedbsd/capabilities/src/tools/tools/syscall_timing/syscall_timing.c#14 edit

Differences ...

==== //depot/projects/trustedbsd/capabilities/src/tools/tools/syscall_timing/syscall_timing.c#14 (text+ko) ====

@@ -565,6 +565,38 @@
 	benchmark_stop();
 }
 
+void
+test_chroot(int num)
+{
+	int i;
+
+	if (chroot("/") < 0)
+		err(-1, "test_chroot: chroot");
+	benchmark_start();
+	for (i = 0; i < num; i++) {
+		if (chroot("/") < 0)
+			err(-1, "test_chroot: chroot");
+	}
+	benchmark_stop();
+}
+
+void
+test_setuid(int num)
+{
+	uid_t uid;
+	int i;
+
+	uid = getuid();
+	if (setuid(uid) < 0)
+		err(-1, "test_setuid: setuid");
+	benchmark_start();
+	for (i = 0; i < num; i++) {
+		if (setuid(uid) < 0)
+			err(-1, "test_setuid: setuid");
+	}
+	benchmark_stop();
+}
+
 /*
  * A bit like sandbox, in that a process is forked, IPC ping-pong is done,
  * but with none of the sandboxing goo.
@@ -773,6 +805,8 @@
 	{ "fork_exec", test_fork_exec },
 	{ "vfork_exec", test_vfork_exec },
 	{ "pdfork_exec", test_pdfork_exec },
+	{ "chroot", test_chroot },
+	{ "setuid", test_setuid },
 	{ "pingpong", test_pingpong },
 	{ "sandbox", test_sandbox },
 };