core/telemetry/stats_data.cc

// Copyright 2017 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Automatically generated by tools/codegen/core/gen_stats_data.py

#include "src/core/telemetry/stats_data.h"

#include <grpc/support/port_platform.h>
#include <stdint.h>

namespace grpc_core {
namespace {
union DblUint {
  double dbl;
  uint64_t uint;
};
}  // namespace
void HistogramCollector_100000_20::Collect(Histogram_100000_20* result) const {
  for (int i = 0; i < 20; i++) {
    result->buckets_[i] += buckets_[i].load(std::memory_order_relaxed);
  }
}
Histogram_100000_20 operator-(const Histogram_100000_20& left,
                              const Histogram_100000_20& right) {
  Histogram_100000_20 result;
  for (int i = 0; i < 20; i++) {
    result.buckets_[i] = left.buckets_[i] - right.buckets_[i];
  }
  return result;
}
void HistogramCollector_65536_26::Collect(Histogram_65536_26* result) const {
  for (int i = 0; i < 26; i++) {
    result->buckets_[i] += buckets_[i].load(std::memory_order_relaxed);
  }
}
Histogram_65536_26 operator-(const Histogram_65536_26& left,
                             const Histogram_65536_26& right) {
  Histogram_65536_26 result;
  for (int i = 0; i < 26; i++) {
    result.buckets_[i] = left.buckets_[i] - right.buckets_[i];
  }
  return result;
}
void HistogramCollector_100_20::Collect(Histogram_100_20* result) const {
  for (int i = 0; i < 20; i++) {
    result->buckets_[i] += buckets_[i].load(std::memory_order_relaxed);
  }
}
Histogram_100_20 operator-(const Histogram_100_20& left,
                           const Histogram_100_20& right) {
  Histogram_100_20 result;
  for (int i = 0; i < 20; i++) {
    result.buckets_[i] = left.buckets_[i] - right.buckets_[i];
  }
  return result;
}
void HistogramCollector_16777216_20::Collect(
    Histogram_16777216_20* result) const {
  for (int i = 0; i < 20; i++) {
    result->buckets_[i] += buckets_[i].load(std::memory_order_relaxed);
  }
}
Histogram_16777216_20 operator-(const Histogram_16777216_20& left,
                                const Histogram_16777216_20& right) {
  Histogram_16777216_20 result;
  for (int i = 0; i < 20; i++) {
    result.buckets_[i] = left.buckets_[i] - right.buckets_[i];
  }
  return result;
}
void HistogramCollector_80_10::Collect(Histogram_80_10* result) const {
  for (int i = 0; i < 10; i++) {
    result->buckets_[i] += buckets_[i].load(std::memory_order_relaxed);
  }
}
Histogram_80_10 operator-(const Histogram_80_10& left,
                          const Histogram_80_10& right) {
  Histogram_80_10 result;
  for (int i = 0; i < 10; i++) {
    result.buckets_[i] = left.buckets_[i] - right.buckets_[i];
  }
  return result;
}
void HistogramCollector_10000_20::Collect(Histogram_10000_20* result) const {
  for (int i = 0; i < 20; i++) {
    result->buckets_[i] += buckets_[i].load(std::memory_order_relaxed);
  }
}
Histogram_10000_20 operator-(const Histogram_10000_20& left,
                             const Histogram_10000_20& right) {
  Histogram_10000_20 result;
  for (int i = 0; i < 20; i++) {
    result.buckets_[i] = left.buckets_[i] - right.buckets_[i];
  }
  return result;
}
void HistogramCollector_1800000_40::Collect(
    Histogram_1800000_40* result) const {
  for (int i = 0; i < 40; i++) {
    result->buckets_[i] += buckets_[i].load(std::memory_order_relaxed);
  }
}
Histogram_1800000_40 operator-(const Histogram_1800000_40& left,
                               const Histogram_1800000_40& right) {
  Histogram_1800000_40 result;
  for (int i = 0; i < 40; i++) {
    result.buckets_[i] = left.buckets_[i] - right.buckets_[i];
  }
  return result;
}
const absl::string_view
    GlobalStats::counter_name[static_cast<int>(Counter::COUNT)] = {
        "client_calls_created",
        "server_calls_created",
        "client_channels_created",
        "client_subchannels_created",
        "server_channels_created",
        "insecure_connections_created",
        "rq_connections_dropped",
        "rq_calls_dropped",
        "rq_calls_rejected",
        "syscall_write",
        "syscall_read",
        "tcp_read_alloc_8k",
        "tcp_read_alloc_64k",
        "http2_settings_writes",
        "http2_pings_sent",
        "http2_writes_begun",
        "http2_transport_stalls",
        "http2_stream_stalls",
        "http2_hpack_hits",
        "http2_hpack_misses",
        "cq_pluck_creates",
        "cq_next_creates",
        "cq_callback_creates",
        "wrr_updates",
        "work_serializer_items_enqueued",
        "work_serializer_items_dequeued",
        "econnaborted_count",
        "econnreset_count",
        "epipe_count",
        "etimedout_count",
        "econnrefused_count",
        "enetunreach_count",
        "enomsg_count",
        "enotconn_count",
        "enobufs_count",
        "uncommon_io_error_count",
        "msg_errqueue_error_count",
};
const absl::string_view GlobalStats::counter_doc[static_cast<int>(
    Counter::COUNT)] = {
    "Number of client side calls created by this process",
    "Number of server side calls created by this process",
    "Number of client channels created",
    "Number of client subchannels created",
    "Number of server channels created",
    "Number of insecure connections created",
    "Number of connections dropped due to resource quota exceeded",
    "Number of calls dropped due to resource quota exceeded",
    "Number of calls rejected (never started) due to resource quota exceeded",
    "Number of write syscalls (or equivalent - eg sendmsg) made by this "
    "process",
    "Number of read syscalls (or equivalent - eg recvmsg) made by this process",
    "Number of 8k allocations by the TCP subsystem for reading",
    "Number of 64k allocations by the TCP subsystem for reading",
    "Number of settings frames sent",
    "Number of HTTP2 pings sent by process",
    "Number of HTTP2 writes initiated",
    "Number of times sending was completely stalled by the transport flow "
    "control window",
    "Number of times sending was completely stalled by the stream flow control "
    "window",
    "Number of HPACK cache hits",
    "Number of HPACK cache misses (entries added but never used)",
    "Number of completion queues created for cq_pluck (indicates sync api "
    "usage)",
    "Number of completion queues created for cq_next (indicates cq async api "
    "usage)",
    "Number of completion queues created for cq_callback (indicates callback "
    "api usage)",
    "Number of wrr updates that have been received",
    "Number of items enqueued onto work serializers",
    "Number of items dequeued from work serializers",
    "Number of ECONNABORTED errors",
    "Number of ECONNRESET errors",
    "Number of EPIPE errors",
    "Number of ETIMEDOUT errors",
    "Number of ECONNREFUSED errors",
    "Number of ENETUNREACH errors",
    "Number of ENOMSG errors",
    "Number of ENOTCONN errors",
    "Number of ENOBUFS errors",
    "Number of uncommon io errors",
    "Number of uncommon errors returned by MSG_ERRQUEUE",
};
const absl::string_view
    GlobalStats::histogram_name[static_cast<int>(Histogram::COUNT)] = {
        "call_initial_size",
        "tcp_write_size",
        "tcp_write_iov_size",
        "tcp_read_size",
        "tcp_read_offer",
        "tcp_read_offer_iov_size",
        "http2_send_message_size",
        "http2_metadata_size",
        "http2_hpack_entry_lifetime",
        "http2_header_table_size",
        "http2_initial_window_size",
        "http2_max_concurrent_streams",
        "http2_max_frame_size",
        "http2_max_header_list_size",
        "http2_preferred_receive_crypto_message_size",
        "http2_stream_remote_window_update",
        "http2_transport_remote_window_update",
        "http2_transport_window_update_period",
        "http2_stream_window_update_period",
        "wrr_subchannel_list_size",
        "wrr_subchannel_ready_size",
        "work_serializer_run_time_ms",
        "work_serializer_work_time_ms",
        "work_serializer_work_time_per_item_ms",
        "work_serializer_items_per_run",
        "chaotic_good_sendmsgs_per_write_control",
        "chaotic_good_recvmsgs_per_read_control",
        "chaotic_good_sendmsgs_per_write_data",
        "chaotic_good_recvmsgs_per_read_data",
        "chaotic_good_thread_hops_per_write_control",
        "chaotic_good_thread_hops_per_read_control",
        "chaotic_good_thread_hops_per_write_data",
        "chaotic_good_thread_hops_per_read_data",
        "chaotic_good_tcp_read_size_data",
        "chaotic_good_tcp_read_size_control",
        "chaotic_good_tcp_read_offer_data",
        "chaotic_good_tcp_read_offer_control",
        "chaotic_good_tcp_write_size_data",
        "chaotic_good_tcp_write_size_control",
};
const absl::string_view GlobalStats::histogram_doc[static_cast<int>(
    Histogram::COUNT)] = {
    "Initial size of the grpc_call arena created at call start",
    "Number of bytes offered to each syscall_write",
    "Number of byte segments offered to each syscall_write",
    "Number of bytes received by each syscall_read",
    "Number of bytes offered to each syscall_read",
    "Number of byte segments offered to each syscall_read",
    "Size of messages received by HTTP2 transport",
    "Number of bytes consumed by metadata, according to HPACK accounting rules",
    "Lifetime of HPACK entries in the cache (in milliseconds)",
    "Http2 header table size received through SETTINGS frame",
    "Http2 initial window size received through SETTINGS frame",
    "Http2 max concurrent streams received through SETTINGS frame",
    "Http2 max frame size received through SETTINGS frame",
    "Http2 max header list size received through SETTINGS frame",
    "Http2 preferred receive crypto message size received through SETTINGS "
    "frame",
    "Stream window update sent by peer",
    "Transport window update sent by peer",
    "Period in milliseconds at which peer sends transport window update",
    "Period in milliseconds at which peer sends stream window update",
    "Number of subchannels in a subchannel list at picker creation time",
    "Number of READY subchannels in a subchannel list at picker creation time",
    "Number of milliseconds work serializers run for",
    "When running, how many milliseconds are work serializers actually doing "
    "work",
    "How long do individual items take to process in work serializers",
    "How many callbacks are executed when a work serializer runs",
    "Number of sendmsgs per control channel endpoint write",
    "Number of recvmsgs per control channel endpoint read",
    "Number of sendmsgs per data channel endpoint write",
    "Number of recvmsgs per data channel endpoint read",
    "Number of thread hops per control channel endpoint write",
    "Number of thread hops per control channel endpoint read",
    "Number of thread hops per data channel endpoint write",
    "Number of thread hops per data channel endpoint read",
    "Number of bytes received by each syscall_read in the data channel",
    "Number of bytes received by each syscall_read in the control channel",
    "Number of bytes offered to each syscall_read in the data channel",
    "Number of bytes offered to each syscall_read in the control channel",
    "Number of bytes offered to each syscall_write in the data channel",
    "Number of bytes offered to each syscall_write in the control channel",
};
namespace {
const int kStatsTable0[21] = {0,    1,    2,    4,     8,     15,    27,
                              49,   89,   160,  288,   517,   928,   1666,
                              2991, 5369, 9637, 17297, 31045, 55719, 100000};
const uint8_t kStatsTable1[30] = {3,  3,  4,  4,  5,  6,  6,  7,  7,  8,
                                  9,  9,  10, 10, 11, 11, 12, 13, 13, 14,
                                  15, 15, 16, 16, 17, 17, 18, 19, 19, 20};
const int kStatsTable2[27] = {0,    1,     2,     4,     7,     11,   17,
                              26,   40,    61,    92,    139,   210,  317,
                              478,  721,   1087,  1638,  2468,  3719, 5604,
                              8443, 12721, 19166, 28875, 43502, 65536};
const uint8_t kStatsTable3[29] = {3,  3,  4,  5,  6,  6,  7,  8,  9,  10,
                                  11, 11, 12, 13, 14, 15, 16, 16, 17, 18,
                                  19, 20, 21, 21, 22, 23, 24, 25, 26};
const int kStatsTable4[21] = {0,  1,  2,  3,  4,  5,  7,  9,  11, 14, 17,
                              21, 25, 30, 36, 43, 51, 61, 72, 85, 100};
const uint8_t kStatsTable5[16] = {6,  6,  7,  8,  9,  9,  10, 11,
                                  12, 13, 14, 15, 16, 17, 18, 19};
const int kStatsTable6[21] = {
    0,     1,      3,      8,       19,      45,      106,
    250,   588,    1383,   3252,    7646,    17976,   42262,
    99359, 233593, 549177, 1291113, 3035402, 7136218, 16777216};
const uint8_t kStatsTable7[23] = {2,  3,  3,  4,  5,  6,  7,  8,
                                  8,  9,  10, 11, 12, 12, 13, 14,
                                  15, 16, 16, 17, 18, 19, 20};
const int kStatsTable8[11] = {0, 1, 2, 4, 7, 11, 17, 26, 38, 56, 80};
const uint8_t kStatsTable9[9] = {3, 3, 4, 5, 6, 6, 7, 8, 9};
const int kStatsTable10[21] = {0,   1,    2,    4,    7,    12,   19,
                               30,  47,   74,   116,  182,  285,  445,
                               695, 1084, 1691, 2637, 4113, 6414, 10000};
const uint8_t kStatsTable11[23] = {3,  3,  4,  5,  5,  6,  7,  8,
                                   9,  9,  10, 11, 12, 12, 13, 14,
                                   15, 15, 16, 17, 18, 18, 19};
const int kStatsTable12[41] = {
    0,      1,      2,      3,       5,      8,      12,     18,     26,
    37,     53,     76,     108,     153,    217,    308,    436,    617,
    873,    1235,   1748,   2473,    3499,   4950,   7003,   9907,   14015,
    19825,  28044,  39670,  56116,   79379,  112286, 158835, 224680, 317821,
    449574, 635945, 899575, 1272492, 1800000};
const uint8_t kStatsTable13[37] = {
    4,  5,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
    22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39};
}  // namespace
int Histogram_100000_20::BucketFor(int value) {
  if (value < 3) {
    if (value < 0) {
      return 0;
    } else {
      return value;
    }
  } else {
    if (value < 65537) {
      DblUint val;
      val.dbl = value;
      const int bucket =
          kStatsTable1[((val.uint - 4613937818241073152ull) >> 51)];
      return bucket - (value < kStatsTable0[bucket]);
    } else {
      return 19;
    }
  }
}
int Histogram_65536_26::BucketFor(int value) {
  if (value < 3) {
    if (value < 0) {
      return 0;
    } else {
      return value;
    }
  } else {
    if (value < 49153) {
      DblUint val;
      val.dbl = value;
      const int bucket =
          kStatsTable3[((val.uint - 4613937818241073152ull) >> 51)];
      return bucket - (value < kStatsTable2[bucket]);
    } else {
      return 25;
    }
  }
}
int Histogram_100_20::BucketFor(int value) {
  if (value < 6) {
    if (value < 0) {
      return 0;
    } else {
      return value;
    }
  } else {
    if (value < 81) {
      DblUint val;
      val.dbl = value;
      const int bucket =
          kStatsTable5[((val.uint - 4618441417868443648ull) >> 50)];
      return bucket - (value < kStatsTable4[bucket]);
    } else {
      if (value < 85) {
        return 18;
      } else {
        return 19;
      }
    }
  }
}
int Histogram_16777216_20::BucketFor(int value) {
  if (value < 2) {
    if (value < 0) {
      return 0;
    } else {
      return value;
    }
  } else {
    if (value < 8388609) {
      DblUint val;
      val.dbl = value;
      const int bucket =
          kStatsTable7[((val.uint - 4611686018427387904ull) >> 52)];
      return bucket - (value < kStatsTable6[bucket]);
    } else {
      return 19;
    }
  }
}
int Histogram_80_10::BucketFor(int value) {
  if (value < 3) {
    if (value < 0) {
      return 0;
    } else {
      return value;
    }
  } else {
    if (value < 49) {
      DblUint val;
      val.dbl = value;
      const int bucket =
          kStatsTable9[((val.uint - 4613937818241073152ull) >> 51)];
      return bucket - (value < kStatsTable8[bucket]);
    } else {
      if (value < 56) {
        return 8;
      } else {
        return 9;
      }
    }
  }
}
int Histogram_10000_20::BucketFor(int value) {
  if (value < 3) {
    if (value < 0) {
      return 0;
    } else {
      return value;
    }
  } else {
    if (value < 6145) {
      DblUint val;
      val.dbl = value;
      const int bucket =
          kStatsTable11[((val.uint - 4613937818241073152ull) >> 51)];
      return bucket - (value < kStatsTable10[bucket]);
    } else {
      if (value < 6414) {
        return 18;
      } else {
        return 19;
      }
    }
  }
}
int Histogram_1800000_40::BucketFor(int value) {
  if (value < 4) {
    if (value < 0) {
      return 0;
    } else {
      return value;
    }
  } else {
    if (value < 1048577) {
      DblUint val;
      val.dbl = value;
      const int bucket =
          kStatsTable13[((val.uint - 4616189618054758400ull) >> 51)];
      return bucket - (value < kStatsTable12[bucket]);
    } else {
      if (value < 1272492) {
        return 38;
      } else {
        return 39;
      }
    }
  }
}
GlobalStats::GlobalStats()
    : client_calls_created{0},
      server_calls_created{0},
      client_channels_created{0},
      client_subchannels_created{0},
      server_channels_created{0},
      insecure_connections_created{0},
      rq_connections_dropped{0},
      rq_calls_dropped{0},
      rq_calls_rejected{0},
      syscall_write{0},
      syscall_read{0},
      tcp_read_alloc_8k{0},
      tcp_read_alloc_64k{0},
      http2_settings_writes{0},
      http2_pings_sent{0},
      http2_writes_begun{0},
      http2_transport_stalls{0},
      http2_stream_stalls{0},
      http2_hpack_hits{0},
      http2_hpack_misses{0},
      cq_pluck_creates{0},
      cq_next_creates{0},
      cq_callback_creates{0},
      wrr_updates{0},
      work_serializer_items_enqueued{0},
      work_serializer_items_dequeued{0},
      econnaborted_count{0},
      econnreset_count{0},
      epipe_count{0},
      etimedout_count{0},
      econnrefused_count{0},
      enetunreach_count{0},
      enomsg_count{0},
      enotconn_count{0},
      enobufs_count{0},
      uncommon_io_error_count{0},
      msg_errqueue_error_count{0} {}
HistogramView GlobalStats::histogram(Histogram which) const {
  switch (which) {
    default:
      GPR_UNREACHABLE_CODE(return HistogramView());
    case Histogram::kCallInitialSize:
      return HistogramView{&Histogram_65536_26::BucketFor, kStatsTable2, 26,
                           call_initial_size.buckets()};
    case Histogram::kTcpWriteSize:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           tcp_write_size.buckets()};
    case Histogram::kTcpWriteIovSize:
      return HistogramView{&Histogram_80_10::BucketFor, kStatsTable8, 10,
                           tcp_write_iov_size.buckets()};
    case Histogram::kTcpReadSize:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           tcp_read_size.buckets()};
    case Histogram::kTcpReadOffer:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           tcp_read_offer.buckets()};
    case Histogram::kTcpReadOfferIovSize:
      return HistogramView{&Histogram_80_10::BucketFor, kStatsTable8, 10,
                           tcp_read_offer_iov_size.buckets()};
    case Histogram::kHttp2SendMessageSize:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           http2_send_message_size.buckets()};
    case Histogram::kHttp2MetadataSize:
      return HistogramView{&Histogram_65536_26::BucketFor, kStatsTable2, 26,
                           http2_metadata_size.buckets()};
    case Histogram::kHttp2HpackEntryLifetime:
      return HistogramView{&Histogram_1800000_40::BucketFor, kStatsTable12, 40,
                           http2_hpack_entry_lifetime.buckets()};
    case Histogram::kHttp2HeaderTableSize:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           http2_header_table_size.buckets()};
    case Histogram::kHttp2InitialWindowSize:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           http2_initial_window_size.buckets()};
    case Histogram::kHttp2MaxConcurrentStreams:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           http2_max_concurrent_streams.buckets()};
    case Histogram::kHttp2MaxFrameSize:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           http2_max_frame_size.buckets()};
    case Histogram::kHttp2MaxHeaderListSize:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           http2_max_header_list_size.buckets()};
    case Histogram::kHttp2PreferredReceiveCryptoMessageSize:
      return HistogramView{
          &Histogram_16777216_20::BucketFor, kStatsTable6, 20,
          http2_preferred_receive_crypto_message_size.buckets()};
    case Histogram::kHttp2StreamRemoteWindowUpdate:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           http2_stream_remote_window_update.buckets()};
    case Histogram::kHttp2TransportRemoteWindowUpdate:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           http2_transport_remote_window_update.buckets()};
    case Histogram::kHttp2TransportWindowUpdatePeriod:
      return HistogramView{&Histogram_100000_20::BucketFor, kStatsTable0, 20,
                           http2_transport_window_update_period.buckets()};
    case Histogram::kHttp2StreamWindowUpdatePeriod:
      return HistogramView{&Histogram_100000_20::BucketFor, kStatsTable0, 20,
                           http2_stream_window_update_period.buckets()};
    case Histogram::kWrrSubchannelListSize:
      return HistogramView{&Histogram_10000_20::BucketFor, kStatsTable10, 20,
                           wrr_subchannel_list_size.buckets()};
    case Histogram::kWrrSubchannelReadySize:
      return HistogramView{&Histogram_10000_20::BucketFor, kStatsTable10, 20,
                           wrr_subchannel_ready_size.buckets()};
    case Histogram::kWorkSerializerRunTimeMs:
      return HistogramView{&Histogram_100000_20::BucketFor, kStatsTable0, 20,
                           work_serializer_run_time_ms.buckets()};
    case Histogram::kWorkSerializerWorkTimeMs:
      return HistogramView{&Histogram_100000_20::BucketFor, kStatsTable0, 20,
                           work_serializer_work_time_ms.buckets()};
    case Histogram::kWorkSerializerWorkTimePerItemMs:
      return HistogramView{&Histogram_100000_20::BucketFor, kStatsTable0, 20,
                           work_serializer_work_time_per_item_ms.buckets()};
    case Histogram::kWorkSerializerItemsPerRun:
      return HistogramView{&Histogram_10000_20::BucketFor, kStatsTable10, 20,
                           work_serializer_items_per_run.buckets()};
    case Histogram::kChaoticGoodSendmsgsPerWriteControl:
      return HistogramView{&Histogram_100_20::BucketFor, kStatsTable4, 20,
                           chaotic_good_sendmsgs_per_write_control.buckets()};
    case Histogram::kChaoticGoodRecvmsgsPerReadControl:
      return HistogramView{&Histogram_100_20::BucketFor, kStatsTable4, 20,
                           chaotic_good_recvmsgs_per_read_control.buckets()};
    case Histogram::kChaoticGoodSendmsgsPerWriteData:
      return HistogramView{&Histogram_100_20::BucketFor, kStatsTable4, 20,
                           chaotic_good_sendmsgs_per_write_data.buckets()};
    case Histogram::kChaoticGoodRecvmsgsPerReadData:
      return HistogramView{&Histogram_100_20::BucketFor, kStatsTable4, 20,
                           chaotic_good_recvmsgs_per_read_data.buckets()};
    case Histogram::kChaoticGoodThreadHopsPerWriteControl:
      return HistogramView{
          &Histogram_100_20::BucketFor, kStatsTable4, 20,
          chaotic_good_thread_hops_per_write_control.buckets()};
    case Histogram::kChaoticGoodThreadHopsPerReadControl:
      return HistogramView{&Histogram_100_20::BucketFor, kStatsTable4, 20,
                           chaotic_good_thread_hops_per_read_control.buckets()};
    case Histogram::kChaoticGoodThreadHopsPerWriteData:
      return HistogramView{&Histogram_100_20::BucketFor, kStatsTable4, 20,
                           chaotic_good_thread_hops_per_write_data.buckets()};
    case Histogram::kChaoticGoodThreadHopsPerReadData:
      return HistogramView{&Histogram_100_20::BucketFor, kStatsTable4, 20,
                           chaotic_good_thread_hops_per_read_data.buckets()};
    case Histogram::kChaoticGoodTcpReadSizeData:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           chaotic_good_tcp_read_size_data.buckets()};
    case Histogram::kChaoticGoodTcpReadSizeControl:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           chaotic_good_tcp_read_size_control.buckets()};
    case Histogram::kChaoticGoodTcpReadOfferData:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           chaotic_good_tcp_read_offer_data.buckets()};
    case Histogram::kChaoticGoodTcpReadOfferControl:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           chaotic_good_tcp_read_offer_control.buckets()};
    case Histogram::kChaoticGoodTcpWriteSizeData:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           chaotic_good_tcp_write_size_data.buckets()};
    case Histogram::kChaoticGoodTcpWriteSizeControl:
      return HistogramView{&Histogram_16777216_20::BucketFor, kStatsTable6, 20,
                           chaotic_good_tcp_write_size_control.buckets()};
  }
}
std::unique_ptr<GlobalStats> GlobalStatsCollector::Collect() const {
  auto result = std::make_unique<GlobalStats>();
  for (const auto& data : data_) {
    result->client_calls_created +=
        data.client_calls_created.load(std::memory_order_relaxed);
    result->server_calls_created +=
        data.server_calls_created.load(std::memory_order_relaxed);
    result->client_channels_created +=
        data.client_channels_created.load(std::memory_order_relaxed);
    result->client_subchannels_created +=
        data.client_subchannels_created.load(std::memory_order_relaxed);
    result->server_channels_created +=
        data.server_channels_created.load(std::memory_order_relaxed);
    result->insecure_connections_created +=
        data.insecure_connections_created.load(std::memory_order_relaxed);
    result->rq_connections_dropped +=
        data.rq_connections_dropped.load(std::memory_order_relaxed);
    result->rq_calls_dropped +=
        data.rq_calls_dropped.load(std::memory_order_relaxed);
    result->rq_calls_rejected +=
        data.rq_calls_rejected.load(std::memory_order_relaxed);
    result->syscall_write += data.syscall_write.load(std::memory_order_relaxed);
    result->syscall_read += data.syscall_read.load(std::memory_order_relaxed);
    result->tcp_read_alloc_8k +=
        data.tcp_read_alloc_8k.load(std::memory_order_relaxed);
    result->tcp_read_alloc_64k +=
        data.tcp_read_alloc_64k.load(std::memory_order_relaxed);
    result->http2_settings_writes +=
        data.http2_settings_writes.load(std::memory_order_relaxed);
    result->http2_pings_sent +=
        data.http2_pings_sent.load(std::memory_order_relaxed);
    result->http2_writes_begun +=
        data.http2_writes_begun.load(std::memory_order_relaxed);
    result->http2_transport_stalls +=
        data.http2_transport_stalls.load(std::memory_order_relaxed);
    result->http2_stream_stalls +=
        data.http2_stream_stalls.load(std::memory_order_relaxed);
    result->http2_hpack_hits +=
        data.http2_hpack_hits.load(std::memory_order_relaxed);
    result->http2_hpack_misses +=
        data.http2_hpack_misses.load(std::memory_order_relaxed);
    result->cq_pluck_creates +=
        data.cq_pluck_creates.load(std::memory_order_relaxed);
    result->cq_next_creates +=
        data.cq_next_creates.load(std::memory_order_relaxed);
    result->cq_callback_creates +=
        data.cq_callback_creates.load(std::memory_order_relaxed);
    result->wrr_updates += data.wrr_updates.load(std::memory_order_relaxed);
    result->work_serializer_items_enqueued +=
        data.work_serializer_items_enqueued.load(std::memory_order_relaxed);
    result->work_serializer_items_dequeued +=
        data.work_serializer_items_dequeued.load(std::memory_order_relaxed);
    result->econnaborted_count +=
        data.econnaborted_count.load(std::memory_order_relaxed);
    result->econnreset_count +=
        data.econnreset_count.load(std::memory_order_relaxed);
    result->epipe_count += data.epipe_count.load(std::memory_order_relaxed);
    result->etimedout_count +=
        data.etimedout_count.load(std::memory_order_relaxed);
    result->econnrefused_count +=
        data.econnrefused_count.load(std::memory_order_relaxed);
    result->enetunreach_count +=
        data.enetunreach_count.load(std::memory_order_relaxed);
    result->enomsg_count += data.enomsg_count.load(std::memory_order_relaxed);
    result->enotconn_count +=
        data.enotconn_count.load(std::memory_order_relaxed);
    result->enobufs_count += data.enobufs_count.load(std::memory_order_relaxed);
    result->uncommon_io_error_count +=
        data.uncommon_io_error_count.load(std::memory_order_relaxed);
    result->msg_errqueue_error_count +=
        data.msg_errqueue_error_count.load(std::memory_order_relaxed);
    data.call_initial_size.Collect(&result->call_initial_size);
    data.tcp_write_size.Collect(&result->tcp_write_size);
    data.tcp_write_iov_size.Collect(&result->tcp_write_iov_size);
    data.tcp_read_size.Collect(&result->tcp_read_size);
    data.tcp_read_offer.Collect(&result->tcp_read_offer);
    data.tcp_read_offer_iov_size.Collect(&result->tcp_read_offer_iov_size);
    data.http2_send_message_size.Collect(&result->http2_send_message_size);
    data.http2_metadata_size.Collect(&result->http2_metadata_size);
    data.http2_hpack_entry_lifetime.Collect(
        &result->http2_hpack_entry_lifetime);
    data.http2_header_table_size.Collect(&result->http2_header_table_size);
    data.http2_initial_window_size.Collect(&result->http2_initial_window_size);
    data.http2_max_concurrent_streams.Collect(
        &result->http2_max_concurrent_streams);
    data.http2_max_frame_size.Collect(&result->http2_max_frame_size);
    data.http2_max_header_list_size.Collect(
        &result->http2_max_header_list_size);
    data.http2_preferred_receive_crypto_message_size.Collect(
        &result->http2_preferred_receive_crypto_message_size);
    data.http2_stream_remote_window_update.Collect(
        &result->http2_stream_remote_window_update);
    data.http2_transport_remote_window_update.Collect(
        &result->http2_transport_remote_window_update);
    data.http2_transport_window_update_period.Collect(
        &result->http2_transport_window_update_period);
    data.http2_stream_window_update_period.Collect(
        &result->http2_stream_window_update_period);
    data.wrr_subchannel_list_size.Collect(&result->wrr_subchannel_list_size);
    data.wrr_subchannel_ready_size.Collect(&result->wrr_subchannel_ready_size);
    data.work_serializer_run_time_ms.Collect(
        &result->work_serializer_run_time_ms);
    data.work_serializer_work_time_ms.Collect(
        &result->work_serializer_work_time_ms);
    data.work_serializer_work_time_per_item_ms.Collect(
        &result->work_serializer_work_time_per_item_ms);
    data.work_serializer_items_per_run.Collect(
        &result->work_serializer_items_per_run);
    data.chaotic_good_sendmsgs_per_write_control.Collect(
        &result->chaotic_good_sendmsgs_per_write_control);
    data.chaotic_good_recvmsgs_per_read_control.Collect(
        &result->chaotic_good_recvmsgs_per_read_control);
    data.chaotic_good_sendmsgs_per_write_data.Collect(
        &result->chaotic_good_sendmsgs_per_write_data);
    data.chaotic_good_recvmsgs_per_read_data.Collect(
        &result->chaotic_good_recvmsgs_per_read_data);
    data.chaotic_good_thread_hops_per_write_control.Collect(
        &result->chaotic_good_thread_hops_per_write_control);
    data.chaotic_good_thread_hops_per_read_control.Collect(
        &result->chaotic_good_thread_hops_per_read_control);
    data.chaotic_good_thread_hops_per_write_data.Collect(
        &result->chaotic_good_thread_hops_per_write_data);
    data.chaotic_good_thread_hops_per_read_data.Collect(
        &result->chaotic_good_thread_hops_per_read_data);
    data.chaotic_good_tcp_read_size_data.Collect(
        &result->chaotic_good_tcp_read_size_data);
    data.chaotic_good_tcp_read_size_control.Collect(
        &result->chaotic_good_tcp_read_size_control);
    data.chaotic_good_tcp_read_offer_data.Collect(
        &result->chaotic_good_tcp_read_offer_data);
    data.chaotic_good_tcp_read_offer_control.Collect(
        &result->chaotic_good_tcp_read_offer_control);
    data.chaotic_good_tcp_write_size_data.Collect(
        &result->chaotic_good_tcp_write_size_data);
    data.chaotic_good_tcp_write_size_control.Collect(
        &result->chaotic_good_tcp_write_size_control);
  }
  return result;
}
std::unique_ptr<GlobalStats> GlobalStats::Diff(const GlobalStats& other) const {
  auto result = std::make_unique<GlobalStats>();
  result->client_calls_created =
      client_calls_created - other.client_calls_created;
  result->server_calls_created =
      server_calls_created - other.server_calls_created;
  result->client_channels_created =
      client_channels_created - other.client_channels_created;
  result->client_subchannels_created =
      client_subchannels_created - other.client_subchannels_created;
  result->server_channels_created =
      server_channels_created - other.server_channels_created;
  result->insecure_connections_created =
      insecure_connections_created - other.insecure_connections_created;
  result->rq_connections_dropped =
      rq_connections_dropped - other.rq_connections_dropped;
  result->rq_calls_dropped = rq_calls_dropped - other.rq_calls_dropped;
  result->rq_calls_rejected = rq_calls_rejected - other.rq_calls_rejected;
  result->syscall_write = syscall_write - other.syscall_write;
  result->syscall_read = syscall_read - other.syscall_read;
  result->tcp_read_alloc_8k = tcp_read_alloc_8k - other.tcp_read_alloc_8k;
  result->tcp_read_alloc_64k = tcp_read_alloc_64k - other.tcp_read_alloc_64k;
  result->http2_settings_writes =
      http2_settings_writes - other.http2_settings_writes;
  result->http2_pings_sent = http2_pings_sent - other.http2_pings_sent;
  result->http2_writes_begun = http2_writes_begun - other.http2_writes_begun;
  result->http2_transport_stalls =
      http2_transport_stalls - other.http2_transport_stalls;
  result->http2_stream_stalls = http2_stream_stalls - other.http2_stream_stalls;
  result->http2_hpack_hits = http2_hpack_hits - other.http2_hpack_hits;
  result->http2_hpack_misses = http2_hpack_misses - other.http2_hpack_misses;
  result->cq_pluck_creates = cq_pluck_creates - other.cq_pluck_creates;
  result->cq_next_creates = cq_next_creates - other.cq_next_creates;
  result->cq_callback_creates = cq_callback_creates - other.cq_callback_creates;
  result->wrr_updates = wrr_updates - other.wrr_updates;
  result->work_serializer_items_enqueued =
      work_serializer_items_enqueued - other.work_serializer_items_enqueued;
  result->work_serializer_items_dequeued =
      work_serializer_items_dequeued - other.work_serializer_items_dequeued;
  result->econnaborted_count = econnaborted_count - other.econnaborted_count;
  result->econnreset_count = econnreset_count - other.econnreset_count;
  result->epipe_count = epipe_count - other.epipe_count;
  result->etimedout_count = etimedout_count - other.etimedout_count;
  result->econnrefused_count = econnrefused_count - other.econnrefused_count;
  result->enetunreach_count = enetunreach_count - other.enetunreach_count;
  result->enomsg_count = enomsg_count - other.enomsg_count;
  result->enotconn_count = enotconn_count - other.enotconn_count;
  result->enobufs_count = enobufs_count - other.enobufs_count;
  result->uncommon_io_error_count =
      uncommon_io_error_count - other.uncommon_io_error_count;
  result->msg_errqueue_error_count =
      msg_errqueue_error_count - other.msg_errqueue_error_count;
  result->call_initial_size = call_initial_size - other.call_initial_size;
  result->tcp_write_size = tcp_write_size - other.tcp_write_size;
  result->tcp_write_iov_size = tcp_write_iov_size - other.tcp_write_iov_size;
  result->tcp_read_size = tcp_read_size - other.tcp_read_size;
  result->tcp_read_offer = tcp_read_offer - other.tcp_read_offer;
  result->tcp_read_offer_iov_size =
      tcp_read_offer_iov_size - other.tcp_read_offer_iov_size;
  result->http2_send_message_size =
      http2_send_message_size - other.http2_send_message_size;
  result->http2_metadata_size = http2_metadata_size - other.http2_metadata_size;
  result->http2_hpack_entry_lifetime =
      http2_hpack_entry_lifetime - other.http2_hpack_entry_lifetime;
  result->http2_header_table_size =
      http2_header_table_size - other.http2_header_table_size;
  result->http2_initial_window_size =
      http2_initial_window_size - other.http2_initial_window_size;
  result->http2_max_concurrent_streams =
      http2_max_concurrent_streams - other.http2_max_concurrent_streams;
  result->http2_max_frame_size =
      http2_max_frame_size - other.http2_max_frame_size;
  result->http2_max_header_list_size =
      http2_max_header_list_size - other.http2_max_header_list_size;
  result->http2_preferred_receive_crypto_message_size =
      http2_preferred_receive_crypto_message_size -
      other.http2_preferred_receive_crypto_message_size;
  result->http2_stream_remote_window_update =
      http2_stream_remote_window_update -
      other.http2_stream_remote_window_update;
  result->http2_transport_remote_window_update =
      http2_transport_remote_window_update -
      other.http2_transport_remote_window_update;
  result->http2_transport_window_update_period =
      http2_transport_window_update_period -
      other.http2_transport_window_update_period;
  result->http2_stream_window_update_period =
      http2_stream_window_update_period -
      other.http2_stream_window_update_period;
  result->wrr_subchannel_list_size =
      wrr_subchannel_list_size - other.wrr_subchannel_list_size;
  result->wrr_subchannel_ready_size =
      wrr_subchannel_ready_size - other.wrr_subchannel_ready_size;
  result->work_serializer_run_time_ms =
      work_serializer_run_time_ms - other.work_serializer_run_time_ms;
  result->work_serializer_work_time_ms =
      work_serializer_work_time_ms - other.work_serializer_work_time_ms;
  result->work_serializer_work_time_per_item_ms =
      work_serializer_work_time_per_item_ms -
      other.work_serializer_work_time_per_item_ms;
  result->work_serializer_items_per_run =
      work_serializer_items_per_run - other.work_serializer_items_per_run;
  result->chaotic_good_sendmsgs_per_write_control =
      chaotic_good_sendmsgs_per_write_control -
      other.chaotic_good_sendmsgs_per_write_control;
  result->chaotic_good_recvmsgs_per_read_control =
      chaotic_good_recvmsgs_per_read_control -
      other.chaotic_good_recvmsgs_per_read_control;
  result->chaotic_good_sendmsgs_per_write_data =
      chaotic_good_sendmsgs_per_write_data -
      other.chaotic_good_sendmsgs_per_write_data;
  result->chaotic_good_recvmsgs_per_read_data =
      chaotic_good_recvmsgs_per_read_data -
      other.chaotic_good_recvmsgs_per_read_data;
  result->chaotic_good_thread_hops_per_write_control =
      chaotic_good_thread_hops_per_write_control -
      other.chaotic_good_thread_hops_per_write_control;
  result->chaotic_good_thread_hops_per_read_control =
      chaotic_good_thread_hops_per_read_control -
      other.chaotic_good_thread_hops_per_read_control;
  result->chaotic_good_thread_hops_per_write_data =
      chaotic_good_thread_hops_per_write_data -
      other.chaotic_good_thread_hops_per_write_data;
  result->chaotic_good_thread_hops_per_read_data =
      chaotic_good_thread_hops_per_read_data -
      other.chaotic_good_thread_hops_per_read_data;
  result->chaotic_good_tcp_read_size_data =
      chaotic_good_tcp_read_size_data - other.chaotic_good_tcp_read_size_data;
  result->chaotic_good_tcp_read_size_control =
      chaotic_good_tcp_read_size_control -
      other.chaotic_good_tcp_read_size_control;
  result->chaotic_good_tcp_read_offer_data =
      chaotic_good_tcp_read_offer_data - other.chaotic_good_tcp_read_offer_data;
  result->chaotic_good_tcp_read_offer_control =
      chaotic_good_tcp_read_offer_control -
      other.chaotic_good_tcp_read_offer_control;
  result->chaotic_good_tcp_write_size_data =
      chaotic_good_tcp_write_size_data - other.chaotic_good_tcp_write_size_data;
  result->chaotic_good_tcp_write_size_control =
      chaotic_good_tcp_write_size_control -
      other.chaotic_good_tcp_write_size_control;
  return result;
}
}  // namespace grpc_core