YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.

//  This source code is licensed under the BSD-style license found in the

//  LICENSE file in the root directory of this source tree. An additional grant

//  of patent rights can be found in the PATENTS file in the same directory.

//

// The following only applies to changes made to this file as part of YugaByte development.

//

// Portions Copyright (c) YugaByte, Inc.

//

// 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.

//

#include <sstream>

#include "yb/rocksdb/perf_context.h"

namespace rocksdb {

#if defined(NPERF_CONTEXT) || defined(IOS_CROSS_COMPILE)

  PerfContext perf_context;

#elif _WIN32

  __declspec(thread) PerfContext perf_context;

#else

  __thread PerfContext perf_context;

#endif

void PerfContext::Reset() {

#if !defined(NPERF_CONTEXT) && !defined(IOS_CROSS_COMPILE)

  user_key_comparison_count = 0;

  block_cache_hit_count = 0;

  block_read_count = 0;

  block_read_byte = 0;

  block_read_time = 0;

  block_checksum_time = 0;

  block_decompress_time = 0;

  internal_key_skipped_count = 0;

  internal_delete_skipped_count = 0;

  write_wal_time = 0;

  get_snapshot_time = 0;

  get_from_memtable_time = 0;

  get_from_memtable_count = 0;

  get_post_process_time = 0;

  get_from_output_files_time = 0;

  seek_on_memtable_time = 0;

  seek_on_memtable_count = 0;

  seek_child_seek_time = 0;

  seek_child_seek_count = 0;

  seek_min_heap_time = 0;

  seek_internal_seek_time = 0;

  find_next_user_entry_time = 0;

  write_pre_and_post_process_time = 0;

  write_memtable_time = 0;

  write_delay_time = 0;

  db_mutex_lock_nanos = 0;

  db_condition_wait_nanos = 0;

  merge_operator_time_nanos = 0;

  read_index_block_nanos = 0;

  read_filter_block_nanos = 0;

  new_table_block_iter_nanos = 0;

  new_table_iterator_nanos = 0;

  block_seek_nanos = 0;

  find_table_nanos = 0;

  bloom_memtable_hit_count = 0;

  bloom_memtable_miss_count = 0;

  bloom_sst_hit_count = 0;

  bloom_sst_miss_count = 0;

#endif

}

#define PERF_CONTEXT_OUTPUT(counter)             \

  if (!exclude_zero_counters || (counter > 0)) { \

    ss << #counter << " = " << counter << ", ";  \

  }

std::string PerfContext::ToString(bool exclude_zero_counters) const {

#if defined(NPERF_CONTEXT) || defined(IOS_CROSS_COMPILE)

  return "";

#else

  std::ostringstream ss;

  PERF_CONTEXT_OUTPUT(user_key_comparison_count);

  PERF_CONTEXT_OUTPUT(block_cache_hit_count);

  PERF_CONTEXT_OUTPUT(block_read_count);

  PERF_CONTEXT_OUTPUT(block_read_byte);

  PERF_CONTEXT_OUTPUT(block_read_time);

  PERF_CONTEXT_OUTPUT(block_checksum_time);

  PERF_CONTEXT_OUTPUT(block_decompress_time);

  PERF_CONTEXT_OUTPUT(internal_key_skipped_count);

  PERF_CONTEXT_OUTPUT(internal_delete_skipped_count);

  PERF_CONTEXT_OUTPUT(write_wal_time);

  PERF_CONTEXT_OUTPUT(get_snapshot_time);

  PERF_CONTEXT_OUTPUT(get_from_memtable_time);

  PERF_CONTEXT_OUTPUT(get_from_memtable_count);

  PERF_CONTEXT_OUTPUT(get_post_process_time);

  PERF_CONTEXT_OUTPUT(get_from_output_files_time);

  PERF_CONTEXT_OUTPUT(seek_on_memtable_time);

  PERF_CONTEXT_OUTPUT(seek_on_memtable_count);

  PERF_CONTEXT_OUTPUT(seek_child_seek_time);

  PERF_CONTEXT_OUTPUT(seek_child_seek_count);

  PERF_CONTEXT_OUTPUT(seek_min_heap_time);

  PERF_CONTEXT_OUTPUT(seek_internal_seek_time);

  PERF_CONTEXT_OUTPUT(find_next_user_entry_time);

  PERF_CONTEXT_OUTPUT(write_pre_and_post_process_time);

  PERF_CONTEXT_OUTPUT(write_memtable_time);

  PERF_CONTEXT_OUTPUT(db_mutex_lock_nanos);

  PERF_CONTEXT_OUTPUT(db_condition_wait_nanos);

  PERF_CONTEXT_OUTPUT(merge_operator_time_nanos);

  PERF_CONTEXT_OUTPUT(write_delay_time);

  PERF_CONTEXT_OUTPUT(read_index_block_nanos);

  PERF_CONTEXT_OUTPUT(read_filter_block_nanos);

  PERF_CONTEXT_OUTPUT(new_table_block_iter_nanos);

  PERF_CONTEXT_OUTPUT(new_table_iterator_nanos);

  PERF_CONTEXT_OUTPUT(block_seek_nanos);

  PERF_CONTEXT_OUTPUT(find_table_nanos);

  PERF_CONTEXT_OUTPUT(bloom_memtable_hit_count);

  PERF_CONTEXT_OUTPUT(bloom_memtable_miss_count);

  PERF_CONTEXT_OUTPUT(bloom_sst_hit_count);

  PERF_CONTEXT_OUTPUT(bloom_sst_miss_count);

  return ss.str();

#endif

}

} // namespace rocksdb