ROC profiler prototype sources importing

[ROCm/rocprofiler commit: 85278f08a0]

projects/rocprofiler/test/util/perf_timer.h

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+/**********************************************************************
+Copyright ©2013 Advanced Micro Devices, Inc. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted
+provided that the following conditions are met:
+
+<95>    Redistributions of source code must retain the above copyright notice, this list of
+conditions and the following disclaimer.
+<95>    Redistributions in binary form must reproduce the above copyright notice, this list of
+conditions and the following disclaimer in the documentation and/or
+ other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+********************************************************************/
+
+#ifndef TEST_UTIL_PERF_TIMER_H_
+#define TEST_UTIL_PERF_TIMER_H_
+
+// Will use AMD timer or general Linux timer based on compilation flag
+// Need to consider platform is Windows or Linux
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(_MSC_VER)
+#include <intrin.h>
+#include <time.h>
+#include <windows.h>
+#else
+#if defined(__GNUC__)
+#include <sys/time.h>
+#include <x86intrin.h>
+#endif  // __GNUC__
+#endif  // _MSC_VER
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+class PerfTimer {
+ public:
+  enum { SUCCESS = 0, FAILURE = 1 };
+
+  PerfTimer();
+  ~PerfTimer();
+
+  // General Linux timing method
+  int CreateTimer();
+  int StartTimer(int index);
+  int StopTimer(int index);
+
+  // retrieve time
+  double ReadTimer(int index);
+  // write into a file
+  double WriteTimer(int index);
+
+ private:
+  struct Timer {
+    std::string name; /* name of time object */
+    long long freq;   /* frequency */
+    double clocks;    /* number of ticks at end */
+    double start;     /* start point ticks */
+  };
+
+  std::vector<Timer*> timers_; /* vector to Timer objects */
+  double freq_in_100mhz_;
+
+  // AMD timing method
+  uint64_t CoarseTimestampUs();
+  uint64_t MeasureTSCFreqHz();
+
+  void Error(std::string str);
+};
+
+#endif  // TEST_UTIL_PERF_TIMER_H_