Refactored performance test code

Commented and flattened binary search sample.

Change-Id: Ib783292207c956d16003195924a3bcfbbde5039f

rocrtst/common/utils_test/utils_timer_test.cpp

@@ -0,0 +1,45 @@
+
+#include <iostream>
+#include "hsatimer.h"
+#include <unistd.h>
+#include "utils_timer_test.hpp"
+
+using namespace std;
+
+
+
+// Destructor method of test driver
+rocrtstUtilsTimerTest::~rocrtstUtilsTimerTest() { }
+
+// Constructor method of test driver
+//
+// @brief loopCnt number of times to call sleep Api
+//
+// @brief sleepTimer time to sleep in milliseconds
+rocrtstUtilsTimerTest::rocrtstUtilsTimerTest(uint32_t loopCnt, uint32_t sleepTime) :
+  loopCnt_(loopCnt), sleepTime_(sleepTime), total_time_(0) { }
+
+// Execute user defined number of sleep calls and collect the
+// total time taken by such calls
+void rocrtstUtilsTimerTest::run() {
+
+  double time;
+  PerfTimer timer;
+  uint32_t index = timer.CreateTimer();
+
+  for (uint32_t idx; idx < loopCnt_; idx++) {
+
+    timer.StartTimer(index);
+    usleep(sleepTime_);
+    timer.StopTimer(index);
+    time = timer.ReadTimer(index);
+    total_time_ += time;
+  }
+}
+
+// Print time reported by Hsa Perf Utils Timer service
+void rocrtstUtilsTimerTest::print() {
+
+  std::cout << "Time taken by " << loopCnt_;
+  std::cout << " iterations of sleep is: " << total_time_ << std::endl;
+}