Opportunistically use perftools if installed.

Allows us to collect profiles of the open source build using gprof.

1 files changed, 7 insertions, 0 deletions

diff --git a/test/build/perftools.c b/test/build/perftools.c
new file mode 100644
index 0000000000..03548b4c7e
--- /dev/null
+++ b/test/build/perftools.c
@@ -0,0 +1,7 @@
+#include <gperftools/profiler.h>
+
+int main() {
+  ProfilerStart("/dev/null");
+  ProfilerStop();
+  return 0;
+}