remove ceph code

[stor4nfv.git] / src / ceph / src / common / perf_histogram.cc

diff --git a/src/ceph/src/common/perf_histogram.cc b/src/ceph/src/common/perf_histogram.cc
deleted file mode 100644 (file)
index 035e326..0000000
--- a/src/ceph/src/common/perf_histogram.cc
+++ /dev/null
@@ -1,121 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2017 OVH
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation.  See file COPYING.
- *
- */
-
-#include "common/perf_histogram.h"
-
-#include <limits>
-
-void PerfHistogramCommon::dump_formatted_axis(
-    ceph::Formatter *f, const PerfHistogramCommon::axis_config_d &ac) {
-  f->open_object_section("axis");
-
-  // Dump axis configuration
-  f->dump_string("name", ac.m_name);
-  f->dump_int("min", ac.m_min);
-  f->dump_int("quant_size", ac.m_quant_size);
-  f->dump_int("buckets", ac.m_buckets);
-  switch (ac.m_scale_type) {
-    case SCALE_LINEAR:
-      f->dump_string("scale_type", "linear");
-      break;
-    case SCALE_LOG2:
-      f->dump_string("scale_type", "log2");
-      break;
-    default:
-      assert(false && "Invalid scale type");
-  }
-
-  {
-    // Dump concrete ranges for axis buckets
-    f->open_array_section("ranges");
-    auto ranges = get_axis_bucket_ranges(ac);
-    for (int i = 0; i < ac.m_buckets; ++i) {
-      f->open_object_section("bucket");
-      if (i > 0) {
-        f->dump_int("min", ranges[i].first);
-      }
-      if (i < ac.m_buckets - 1) {
-        f->dump_int("max", ranges[i].second);
-      }
-      f->close_section();
-    }
-    f->close_section();
-  }
-
-  f->close_section();
-}
-
-int64_t get_quants(int64_t i, PerfHistogramCommon::scale_type_d st) {
-  switch (st) {
-    case PerfHistogramCommon::SCALE_LINEAR:
-      return i;
-    case PerfHistogramCommon::SCALE_LOG2:
-      return int64_t(1) << (i - 1);
-  }
-  assert(false && "Invalid scale type");
-}
-
-int64_t PerfHistogramCommon::get_bucket_for_axis(
-    int64_t value, const PerfHistogramCommon::axis_config_d &ac) {
-  if (value < ac.m_min) {
-    return 0;
-  }
-
-  value -= ac.m_min;
-  value /= ac.m_quant_size;
-
-  switch (ac.m_scale_type) {
-    case SCALE_LINEAR:
-      return std::min<int64_t>(value + 1, ac.m_buckets - 1);
-
-    case SCALE_LOG2:
-      for (int64_t i = 1; i < ac.m_buckets; ++i) {
-        if (value < get_quants(i, SCALE_LOG2)) {
-          return i;
-        }
-      }
-      return ac.m_buckets - 1;
-  }
-  assert(false && "Invalid scale type");
-}
-
-std::vector<std::pair<int64_t, int64_t>>
-PerfHistogramCommon::get_axis_bucket_ranges(
-    const PerfHistogramCommon::axis_config_d &ac) {
-  std::vector<std::pair<int64_t, int64_t>> ret;
-  ret.resize(ac.m_buckets);
-
-  // First bucket is for value < min
-  int64_t min = ac.m_min;
-  for (int64_t i = 1; i < ac.m_buckets - 1; i++) {
-    int64_t max_exclusive =
-        ac.m_min + get_quants(i, ac.m_scale_type) * ac.m_quant_size;
-
-    // Dump bucket range
-    ret[i].first = min;
-    ret[i].second = max_exclusive - 1;
-
-    // Shift min to next bucket
-    min = max_exclusive;
-  }
-
-  // Fill up first and last element, note that in case m_buckets == 1
-  // those will point to the same element, the order is important here
-  ret.front().second = ac.m_min - 1;
-  ret.back().first = min;
-
-  ret.front().first = std::numeric_limits<int64_t>::min();
-  ret.back().second = std::numeric_limits<int64_t>::max();
-  return ret;
-}