Working getrusage and wall clock metrics

example_loop.cc

@@ -0,0 +1,22 @@
+#include <gflags/gflags.h>
+#include <glog/logging.h>
+
+#include "usage.h"
+
+int main(int argc, char *argv[]) {
+	google::InitGoogleLogging(argv[0]);
+	gflags::ParseCommandLineFlags(&argc, &argv, true);
+
+	fireusage::UsageTracker tracker;
+	tracker.Start();
+	for (int i = 0; i < 100000000; ++i) {
+		tracker.AddEvent();
+		for (int _ = 0; _ < 100000; ++_) {
+		}
+	}
+	tracker.Stop();
+	tracker.Log();
+
+	gflags::ShutDownCommandLineFlags();
+	google::ShutdownGoogleLogging();
+}