---
 tools/perf/builtin-stat.c |   18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

Index: linux/tools/perf/builtin-stat.c
===================================================================
--- linux.orig/tools/perf/builtin-stat.c
+++ linux/tools/perf/builtin-stat.c
@@ -44,6 +44,7 @@
 #include "util/parse-events.h"
 #include "util/event.h"
 #include "util/debug.h"
+#include "util/run-command.h"
 
 #include <sys/prctl.h>
 #include <math.h>
@@ -458,7 +459,7 @@ static const struct option options[] = {
 
 int cmd_stat(int argc, const char **argv, const char *prefix __used)
 {
-	int status;
+	int status, j, cleanup, cleanup_argc;
 
 	argc = parse_options(argc, argv, options, stat_usage,
 		PARSE_OPT_STOP_AT_NON_OPTION);
@@ -467,6 +468,19 @@ int cmd_stat(int argc, const char **argv
 	if (run_count <= 0)
 		usage_with_options(stat_usage, options);
 
+	// quick ugly hack: if a "--" appears in the command, treat is as
+	// a delimiter and use remaining part as a "cleanup command",
+	// not affecting performance counters.
+	cleanup = cleanup_argc = 0;
+	for (j = 1; j < (argc-1); j ++) {
+		if (!strcmp (argv[j], "--")) {
+			cleanup = j + 1;
+			cleanup_argc = argc - j - 1;
+			argv[j] = NULL;
+			argc = j;
+		}
+	}
+
 	/* Set attrs and nr_counters if no event is selected and !null_run */
 	if (!null_run && !nr_counters) {
 		memcpy(attrs, default_attrs, sizeof(default_attrs));
@@ -493,6 +507,8 @@ int cmd_stat(int argc, const char **argv
 		if (run_count != 1 && verbose)
 			fprintf(stderr, "[ perf stat: executing run #%d ... ]\n", run_idx + 1);
 		status = run_perf_stat(argc, argv);
+		if (cleanup)
+			run_command_v_opt (&argv [cleanup], 0);
 	}
 
 	print_stat(argc, argv);