remove ceph code

[stor4nfv.git] / src / ceph / src / dmclock / support / src / profile.h

diff --git a/src/ceph/src/dmclock/support/src/profile.h b/src/ceph/src/dmclock/support/src/profile.h
deleted file mode 100644 (file)
index 77493c7..0000000
--- a/src/ceph/src/dmclock/support/src/profile.h
+++ /dev/null
@@ -1,114 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-/*
- * Copyright (C) 2016 Red Hat Inc.
- */
-
-
-#pragma once
-
-
-#include <cmath>
-#include <chrono>
-
-
-namespace crimson {
-  template<typename T>
-  class ProfileBase {
-
-  protected:
-
-    using clock = std::chrono::steady_clock;
-
-    uint count = 0;
-    typename T::rep sum = 0;
-    typename T::rep sum_squares = 0;
-    typename T::rep low = 0;
-    typename T::rep high = 0;
-
-  public:
-
-    uint get_count() const { return count; }
-    typename T::rep get_sum() const { return sum; }
-    typename T::rep get_low() const { return low; }
-    typename T::rep get_high() const { return high; }
-    double get_mean() const {
-      if (0 == count) return nan("");
-      return sum / double(count); }
-    double get_std_dev() const {
-      if (0 == count) return nan("");
-      double variance =
-       (count * sum_squares - sum * sum) / double(count * count);
-      return sqrt(variance);
-    }
-  }; // class ProfileBase
-
-
-  // forward declaration for friend
-  template<typename T>
-  class ProfileCombiner;
-
-
-  template<typename T>
-  class ProfileTimer : public ProfileBase<T> {
-    friend ProfileCombiner<T>;
-
-    using super = ProfileBase<T>;
-
-    bool is_timing = false;
-    typename super::clock::time_point start_time;
-
-  public:
-
-    ProfileTimer() {
-    }
-
-    void start() {
-      assert(!is_timing);
-      start_time = super::clock::now();
-      is_timing = true;
-    }
-
-    void stop() {
-      assert(is_timing);
-      T duration = std::chrono::duration_cast<T>(super::clock::now() - start_time);
-      typename T::rep duration_count = duration.count();
-      this->sum += duration_count;
-      this->sum_squares += duration_count * duration_count;
-      if (0 == this->count) {
-       this->low = duration_count;
-       this->high = duration_count;
-      } else {
-       if (duration_count < this->low) this->low = duration_count;
-       else if (duration_count > this->high) this->high = duration_count;
-      }
-      ++this->count;
-      is_timing = false;
-    }
-  };  // class ProfileTimer
-
-
-  template<typename T>
-  class ProfileCombiner : public ProfileBase<T> {
-
-    using super = ProfileBase<T>;
-
-  public:
-
-    ProfileCombiner() {}
-
-    void combine(const ProfileTimer<T>& timer) {
-      if (0 == this->count) {
-       this->low = timer.low;
-       this->high = timer.high;
-      } else {
-       if (timer.low < this->low) this->low = timer.low;
-       else if (timer.high > this->high) this->high = timer.high;
-      }
-      this->count += timer.count;
-      this->sum += timer.sum;
-      this->sum_squares += timer.sum_squares;
-    }
-  }; // class ProfileCombiner
-} // namespace crimson