1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/perf/pm_stub.cpp b/js/src/perf/pm_stub.cpp
new file mode 100644
index 000000000..bb6910c73
--- /dev/null
+++ b/js/src/perf/pm_stub.cpp
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "perf/jsperf.h"
+
+namespace JS {
+
+PerfMeasurement::PerfMeasurement(PerfMeasurement::EventMask)
+  : impl(0),
+    eventsMeasured(EventMask(0)),
+    cpu_cycles(-1),
+    instructions(-1),
+    cache_references(-1),
+    cache_misses(-1),
+    branch_instructions(-1),
+    branch_misses(-1),
+    bus_cycles(-1),
+    page_faults(-1),
+    major_page_faults(-1),
+    context_switches(-1),
+    cpu_migrations(-1)
+{
+}
+
+PerfMeasurement::~PerfMeasurement()
+{
+}
+
+void
+PerfMeasurement::start()
+{
+}
+
+void
+PerfMeasurement::stop()
+{
+}
+
+void
+PerfMeasurement::reset()
+{
+    cpu_cycles = -1;
+    instructions = -1;
+    cache_references = -1;
+    cache_misses = -1;
+    branch_instructions = -1;
+    branch_misses = -1;
+    bus_cycles = -1;
+    page_faults = -1;
+    major_page_faults = -1;
+    context_switches = -1;
+    cpu_migrations = -1;
+}
+
+bool
+PerfMeasurement::canMeasureSomething()
+{
+    return false;
+}
+
+} // namespace JS