ECR #333755 - Added two HSA samples: MatrixMultiplication, MatrixTranspose

[git-p4: depot-paths = "//depot/stg/hsa/drivers/hsa/runtime/": change = 1124951]

samples/common/hsatimer.h

@@ -0,0 +1,64 @@
+#ifndef __MYTIME__
+#define __MYTIME__
+
+// Will use AMD timer and general Linux timer based on users' need --> compilation flag
+
+// need to consider platform is Windows or Linux
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <x86intrin.h>
+#include <string.h>
+
+#include <iostream>
+#include <vector>
+#include <string>
+using namespace std;
+
+#include <sys/time.h>
+
+#define HSA_FAILURE  1
+#define HSA_SUCCESS 0
+
+class PerfTimer {
+	private:
+		struct Timer
+		{
+			string name;          /* < name name of time object*/
+			long long _freq;      /* < _freq frequency*/
+			double _clocks;       /* < _clocks number of ticks at end*/
+			double _start;        /* < _start start point ticks*/
+		};
+
+		std::vector<Timer*> _timers;  /*< _timers vector to Timer objects */
+		double freq_in_100mhz;
+
+	public:
+		PerfTimer();
+		~PerfTimer();
+
+	private:
+		//AMD timing method
+		uint64_t CoarseTimestampUs();
+		uint64_t MeasureTSCFreqHz();
+
+		//General Linux timing method
+
+	public:
+		int CreateTimer();
+		int StartTimer(int index);
+		int StopTimer(int index);
+
+	public:
+		// retrieve time
+		double ReadTimer(int index);
+		// write into a file
+		double WriteTimer(int index);
+
+	public:
+		void Error(string str);
+};
+
+#endif
+