message: Add ODS counters to monitor feature coverage
  Summary: as title
diff: @@ -104,6 +104,8 @@ struct QuantileConsts {
  {.5, .75, .90, .95, .99}};
  static constexpr const std::array<double, 5> kP1_P10_P50_P90_P99{
  {.01, .1, .5, .9, .99}};
  + static constexpr const std::array<double, 6> kP1_P10_P75_P90_P95_P99{
  + {.01, .1, .75, .9, .95, .99}};
  static constexpr const std::array<double, 6> kP50_P75_P90_P95_P99_P999{
  {.5, .75, .9, .95, .99, .999}};
  static constexpr const std::array<double, 5> kP50_P70_P90_P95_P99{
  