Add 'projects/rocprofiler/' from commit '16ae2e90c6157e98e846d2bccbaaf533ca5e662a'

git-subtree-dir: projects/rocprofiler
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git-subtree-split: 16ae2e90c6

projects/rocprofiler/test/util/perf_timer.h

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+/******************************************************************************
+Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*******************************************************************************/
+
+#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_