Index: .fossil-settings/ignore-glob
==================================================================
--- .fossil-settings/ignore-glob
+++ .fossil-settings/ignore-glob
@@ -21,5 +21,7 @@
 xvfs-test-coverage
 __test__.tcl
 sdks
 xvfs_random.so
 xvfs_synthetic.so
+profile
+oprofile_data

Index: Makefile
==================================================================
--- Makefile
+++ Makefile
@@ -49,11 +49,11 @@
 	./xvfs-create-random | $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -DXVFS_MODE_FLEXIBLE -x c - -shared -o xvfs_random$(LIB_SUFFIX) $(LIBS)
 
 xvfs_synthetic$(LIB_SUFFIX): $(shell find lib -type f) lib/xvfs/xvfs.c.rvt xvfs-create-synthetic Makefile
 	./xvfs-create-synthetic | $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -DXVFS_MODE_FLEXIBLE -x c - -shared -o xvfs_synthetic$(LIB_SUFFIX) $(LIBS)
 
-benchmark:
+do-benchmark:
 	$(MAKE) clean all XVFS_ADD_CPPFLAGS="-UXVFS_DEBUG" XVFS_ADD_CFLAGS="-g0 -ggdb0 -s -O3"
 	./benchmark.tcl
 
 test: example-standalone$(LIB_SUFFIX) xvfs$(LIB_SUFFIX) example-client$(LIB_SUFFIX) example-flexible$(LIB_SUFFIX) Makefile
 	rm -f __test__.tcl
@@ -66,20 +66,32 @@
 			echo "[$${XVFS_TEST_LOAD_COMMANDS}] $(GDB) $(TCLSH) __test__.tcl $(TCL_TEST_ARGS)"; \
 			$(GDB) $(TCLSH) __test__.tcl $(TCL_TEST_ARGS) || exit 1; \
 	done
 	rm -f __test__.tcl
 
-coverage:
+do-test: test
+
+do-coverage:
 	$(MAKE) clean
 	$(MAKE) XVFS_ADD_CFLAGS=-coverage XVFS_ADD_LDFLAGS=-coverage
 	$(MAKE) test XVFS_TEST_EXIT_ON_FAILURE=0
 	rm -f xvfs-test-coverage.info
 	lcov --capture --directory . --output-file xvfs-test-coverage.info
 	rm -rf xvfs-test-coverage
 	mkdir xvfs-test-coverage
 	genhtml xvfs-test-coverage.info --output-directory xvfs-test-coverage
 	rm -f xvfs-test-coverage.info
+
+profile: profile.c Makefile
+	rm -f example-client$(LIB_SUFFIX) xvfs$(LIB_SUFFIX)
+	$(MAKE) xvfs$(LIB_SUFFIX) example-client$(LIB_SUFFIX) XVFS_ADD_CPPFLAGS="-UXVFS_DEBUG"
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -UUSE_TCL_STUBS ./xvfs$(LIB_SUFFIX) ./example-client$(LIB_SUFFIX) -o profile profile.c -ltcl
+
+do-profile: profile Makefile
+	rm -rf oprofile_data
+	LD_LIBRARY_PATH='$(shell pwd):$(LD_LIBRARY_PATH)' operf ./profile
+	opreport
 
 clean:
 	rm -f xvfs-create-standalone.new xvfs-create-standalone
 	rm -f example.c example.c.new
 	rm -f example-standalone$(LIB_SUFFIX) example-standalone.o
@@ -90,11 +102,13 @@
 	rm -f example-client.gcda example-client.gcno
 	rm -f example-flexible.gcda example-flexible.gcno
 	rm -f xvfs_random$(LIB_SUFFIX) xvfs_synthetic$(LIB_SUFFIX)
 	rm -f xvfs.gcda xvfs.gcno
 	rm -f __test__.tcl
+	rm -f profile
+	rm -rf oprofile_data
 	rm -f xvfs-test-coverage.info
 	rm -rf xvfs-test-coverage
 
 distclean: clean
 
-.PHONY: all clean distclean test coverage benchmark
+.PHONY: all clean distclean test do-test do-coverage do-benchmark do-profile

ADDED   profile.c
Index: profile.c
==================================================================
--- profile.c
+++ profile.c
@@ -0,0 +1,54 @@
+#include <tcl.h>
+#include <stdio.h>
+
+extern int Xvfs_Init(Tcl_Interp *interp);
+extern int Xvfs_example_Init(Tcl_Interp *interp);
+int main(int argc, char **argv) {
+	Tcl_Interp *interp;
+	int tclRet;
+	int try;
+
+	interp = Tcl_CreateInterp();
+	if (!interp) {
+		fprintf(stderr, "Tcl_CreateInterp failed\n");
+
+		return(1);
+	}
+
+	tclRet = Tcl_Init(interp);
+	if (tclRet != TCL_OK) {
+		fprintf(stderr, "Tcl_Init failed: %s\n", Tcl_GetStringResult(interp));
+
+		return(1);
+	}
+
+	tclRet = Xvfs_Init(interp);
+	if (tclRet != TCL_OK) {
+		fprintf(stderr, "Xvfs_Init failed: %s\n", Tcl_GetStringResult(interp));
+
+		return(1);
+	}
+	tclRet = Xvfs_example_Init(interp);
+	if (tclRet != TCL_OK) {
+		fprintf(stderr, "Xvfs_example_Init failed: %s\n", Tcl_GetStringResult(interp));
+
+		return(1);
+	}
+
+	Tcl_Eval(interp, "proc benchmark args { glob -directory //xvfs:/example * }");
+
+#ifdef XVFS_PROFILE_TESTS
+	Tcl_Eval(interp, "proc exit args {}");
+	Tcl_Eval(interp, "proc puts args {}");
+	Tcl_SetVar(interp, "argv", "-verbose {}", 0);
+	for (try = 0; try < 1000; try++) {
+		Tcl_EvalFile(interp, "//xvfs:/example/main.tcl");
+	}
+#else
+	for (try = 0; try < 1000000; try++) {
+		Tcl_Eval(interp, "benchmark");
+	}
+#endif
+
+	return(0);
+}