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rocksdb/monitoring/perf_context.cc

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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
#include <sstream>
#include "monitoring/perf_context_imp.h"
namespace ROCKSDB_NAMESPACE {
#if defined(NPERF_CONTEXT)
// Should not be used because the counters are not thread-safe.
// Put here just to make get_perf_context() simple without ifdef.
PerfContext perf_context;
#else
thread_local PerfContext perf_context;
#endif
PerfContext* get_perf_context() {
return &perf_context;
}
PerfContext::~PerfContext() {
#if !defined(NPERF_CONTEXT) && !defined(OS_SOLARIS)
ClearPerLevelPerfContext();
#endif
}
PerfContext::PerfContext(const PerfContext& other) {
#ifdef NPERF_CONTEXT
(void)other;
#else
user_key_comparison_count = other.user_key_comparison_count;
block_cache_hit_count = other.block_cache_hit_count;
block_read_count = other.block_read_count;
block_read_byte = other.block_read_byte;
block_read_time = other.block_read_time;
block_cache_index_hit_count = other.block_cache_index_hit_count;
index_block_read_count = other.index_block_read_count;
block_cache_filter_hit_count = other.block_cache_filter_hit_count;
filter_block_read_count = other.filter_block_read_count;
compression_dict_block_read_count = other.compression_dict_block_read_count;
secondary_cache_hit_count = other.secondary_cache_hit_count;
block_checksum_time = other.block_checksum_time;
block_decompress_time = other.block_decompress_time;
get_read_bytes = other.get_read_bytes;
multiget_read_bytes = other.multiget_read_bytes;
iter_read_bytes = other.iter_read_bytes;
internal_key_skipped_count = other.internal_key_skipped_count;
internal_delete_skipped_count = other.internal_delete_skipped_count;
internal_recent_skipped_count = other.internal_recent_skipped_count;
internal_merge_count = other.internal_merge_count;
write_wal_time = other.write_wal_time;
get_snapshot_time = other.get_snapshot_time;
get_from_memtable_time = other.get_from_memtable_time;
get_from_memtable_count = other.get_from_memtable_count;
get_post_process_time = other.get_post_process_time;
get_from_output_files_time = other.get_from_output_files_time;
seek_on_memtable_time = other.seek_on_memtable_time;
seek_on_memtable_count = other.seek_on_memtable_count;
next_on_memtable_count = other.next_on_memtable_count;
prev_on_memtable_count = other.prev_on_memtable_count;
seek_child_seek_time = other.seek_child_seek_time;
seek_child_seek_count = other.seek_child_seek_count;
seek_min_heap_time = other.seek_min_heap_time;
seek_internal_seek_time = other.seek_internal_seek_time;
find_next_user_entry_time = other.find_next_user_entry_time;
write_pre_and_post_process_time = other.write_pre_and_post_process_time;
write_memtable_time = other.write_memtable_time;
write_delay_time = other.write_delay_time;
write_thread_wait_nanos = other.write_thread_wait_nanos;
write_scheduling_flushes_compactions_time =
other.write_scheduling_flushes_compactions_time;
db_mutex_lock_nanos = other.db_mutex_lock_nanos;
db_condition_wait_nanos = other.db_condition_wait_nanos;
merge_operator_time_nanos = other.merge_operator_time_nanos;
read_index_block_nanos = other.read_index_block_nanos;
read_filter_block_nanos = other.read_filter_block_nanos;
new_table_block_iter_nanos = other.new_table_block_iter_nanos;
new_table_iterator_nanos = other.new_table_iterator_nanos;
block_seek_nanos = other.block_seek_nanos;
find_table_nanos = other.find_table_nanos;
bloom_memtable_hit_count = other.bloom_memtable_hit_count;
bloom_memtable_miss_count = other.bloom_memtable_miss_count;
bloom_sst_hit_count = other.bloom_sst_hit_count;
bloom_sst_miss_count = other.bloom_sst_miss_count;
key_lock_wait_time = other.key_lock_wait_time;
key_lock_wait_count = other.key_lock_wait_count;
env_new_sequential_file_nanos = other.env_new_sequential_file_nanos;
env_new_random_access_file_nanos = other.env_new_random_access_file_nanos;
env_new_writable_file_nanos = other.env_new_writable_file_nanos;
env_reuse_writable_file_nanos = other.env_reuse_writable_file_nanos;
env_new_random_rw_file_nanos = other.env_new_random_rw_file_nanos;
env_new_directory_nanos = other.env_new_directory_nanos;
env_file_exists_nanos = other.env_file_exists_nanos;
env_get_children_nanos = other.env_get_children_nanos;
env_get_children_file_attributes_nanos =
other.env_get_children_file_attributes_nanos;
env_delete_file_nanos = other.env_delete_file_nanos;
env_create_dir_nanos = other.env_create_dir_nanos;
env_create_dir_if_missing_nanos = other.env_create_dir_if_missing_nanos;
env_delete_dir_nanos = other.env_delete_dir_nanos;
env_get_file_size_nanos = other.env_get_file_size_nanos;
env_get_file_modification_time_nanos =
other.env_get_file_modification_time_nanos;
env_rename_file_nanos = other.env_rename_file_nanos;
env_link_file_nanos = other.env_link_file_nanos;
env_lock_file_nanos = other.env_lock_file_nanos;
env_unlock_file_nanos = other.env_unlock_file_nanos;
env_new_logger_nanos = other.env_new_logger_nanos;
get_cpu_nanos = other.get_cpu_nanos;
iter_next_cpu_nanos = other.iter_next_cpu_nanos;
iter_prev_cpu_nanos = other.iter_prev_cpu_nanos;
iter_seek_cpu_nanos = other.iter_seek_cpu_nanos;
if (per_level_perf_context_enabled && level_to_perf_context != nullptr) {
ClearPerLevelPerfContext();
}
if (other.level_to_perf_context != nullptr) {
level_to_perf_context = new std::map<uint32_t, PerfContextByLevel>();
*level_to_perf_context = *other.level_to_perf_context;
}
per_level_perf_context_enabled = other.per_level_perf_context_enabled;
#endif
}
PerfContext::PerfContext(PerfContext&& other) noexcept {
#ifdef NPERF_CONTEXT
(void)other;
#else
user_key_comparison_count = other.user_key_comparison_count;
block_cache_hit_count = other.block_cache_hit_count;
block_read_count = other.block_read_count;
block_read_byte = other.block_read_byte;
block_read_time = other.block_read_time;
block_cache_index_hit_count = other.block_cache_index_hit_count;
index_block_read_count = other.index_block_read_count;
block_cache_filter_hit_count = other.block_cache_filter_hit_count;
filter_block_read_count = other.filter_block_read_count;
compression_dict_block_read_count = other.compression_dict_block_read_count;
secondary_cache_hit_count = other.secondary_cache_hit_count;
block_checksum_time = other.block_checksum_time;
block_decompress_time = other.block_decompress_time;
get_read_bytes = other.get_read_bytes;
multiget_read_bytes = other.multiget_read_bytes;
iter_read_bytes = other.iter_read_bytes;
internal_key_skipped_count = other.internal_key_skipped_count;
internal_delete_skipped_count = other.internal_delete_skipped_count;
internal_recent_skipped_count = other.internal_recent_skipped_count;
internal_merge_count = other.internal_merge_count;
write_wal_time = other.write_wal_time;
get_snapshot_time = other.get_snapshot_time;
get_from_memtable_time = other.get_from_memtable_time;
get_from_memtable_count = other.get_from_memtable_count;
get_post_process_time = other.get_post_process_time;
get_from_output_files_time = other.get_from_output_files_time;
seek_on_memtable_time = other.seek_on_memtable_time;
seek_on_memtable_count = other.seek_on_memtable_count;
next_on_memtable_count = other.next_on_memtable_count;
prev_on_memtable_count = other.prev_on_memtable_count;
seek_child_seek_time = other.seek_child_seek_time;
seek_child_seek_count = other.seek_child_seek_count;
seek_min_heap_time = other.seek_min_heap_time;
seek_internal_seek_time = other.seek_internal_seek_time;
find_next_user_entry_time = other.find_next_user_entry_time;
write_pre_and_post_process_time = other.write_pre_and_post_process_time;
write_memtable_time = other.write_memtable_time;
write_delay_time = other.write_delay_time;
write_thread_wait_nanos = other.write_thread_wait_nanos;
write_scheduling_flushes_compactions_time =
other.write_scheduling_flushes_compactions_time;
db_mutex_lock_nanos = other.db_mutex_lock_nanos;
db_condition_wait_nanos = other.db_condition_wait_nanos;
merge_operator_time_nanos = other.merge_operator_time_nanos;
read_index_block_nanos = other.read_index_block_nanos;
read_filter_block_nanos = other.read_filter_block_nanos;
new_table_block_iter_nanos = other.new_table_block_iter_nanos;
new_table_iterator_nanos = other.new_table_iterator_nanos;
block_seek_nanos = other.block_seek_nanos;
find_table_nanos = other.find_table_nanos;
bloom_memtable_hit_count = other.bloom_memtable_hit_count;
bloom_memtable_miss_count = other.bloom_memtable_miss_count;
bloom_sst_hit_count = other.bloom_sst_hit_count;
bloom_sst_miss_count = other.bloom_sst_miss_count;
key_lock_wait_time = other.key_lock_wait_time;
key_lock_wait_count = other.key_lock_wait_count;
env_new_sequential_file_nanos = other.env_new_sequential_file_nanos;
env_new_random_access_file_nanos = other.env_new_random_access_file_nanos;
env_new_writable_file_nanos = other.env_new_writable_file_nanos;
env_reuse_writable_file_nanos = other.env_reuse_writable_file_nanos;
env_new_random_rw_file_nanos = other.env_new_random_rw_file_nanos;
env_new_directory_nanos = other.env_new_directory_nanos;
env_file_exists_nanos = other.env_file_exists_nanos;
env_get_children_nanos = other.env_get_children_nanos;
env_get_children_file_attributes_nanos =
other.env_get_children_file_attributes_nanos;
env_delete_file_nanos = other.env_delete_file_nanos;
env_create_dir_nanos = other.env_create_dir_nanos;
env_create_dir_if_missing_nanos = other.env_create_dir_if_missing_nanos;
env_delete_dir_nanos = other.env_delete_dir_nanos;
env_get_file_size_nanos = other.env_get_file_size_nanos;
env_get_file_modification_time_nanos =
other.env_get_file_modification_time_nanos;
env_rename_file_nanos = other.env_rename_file_nanos;
env_link_file_nanos = other.env_link_file_nanos;
env_lock_file_nanos = other.env_lock_file_nanos;
env_unlock_file_nanos = other.env_unlock_file_nanos;
env_new_logger_nanos = other.env_new_logger_nanos;
get_cpu_nanos = other.get_cpu_nanos;
iter_next_cpu_nanos = other.iter_next_cpu_nanos;
iter_prev_cpu_nanos = other.iter_prev_cpu_nanos;
iter_seek_cpu_nanos = other.iter_seek_cpu_nanos;
if (per_level_perf_context_enabled && level_to_perf_context != nullptr) {
ClearPerLevelPerfContext();
}
if (other.level_to_perf_context != nullptr) {
level_to_perf_context = other.level_to_perf_context;
other.level_to_perf_context = nullptr;
}
per_level_perf_context_enabled = other.per_level_perf_context_enabled;
#endif
}
// TODO(Zhongyi): reduce code duplication between copy constructor and
// assignment operator
PerfContext& PerfContext::operator=(const PerfContext& other) {
#ifdef NPERF_CONTEXT
(void)other;
#else
user_key_comparison_count = other.user_key_comparison_count;
block_cache_hit_count = other.block_cache_hit_count;
block_read_count = other.block_read_count;
block_read_byte = other.block_read_byte;
block_read_time = other.block_read_time;
block_cache_index_hit_count = other.block_cache_index_hit_count;
index_block_read_count = other.index_block_read_count;
block_cache_filter_hit_count = other.block_cache_filter_hit_count;
filter_block_read_count = other.filter_block_read_count;
compression_dict_block_read_count = other.compression_dict_block_read_count;
secondary_cache_hit_count = other.secondary_cache_hit_count;
block_checksum_time = other.block_checksum_time;
block_decompress_time = other.block_decompress_time;
get_read_bytes = other.get_read_bytes;
multiget_read_bytes = other.multiget_read_bytes;
iter_read_bytes = other.iter_read_bytes;
internal_key_skipped_count = other.internal_key_skipped_count;
internal_delete_skipped_count = other.internal_delete_skipped_count;
internal_recent_skipped_count = other.internal_recent_skipped_count;
internal_merge_count = other.internal_merge_count;
write_wal_time = other.write_wal_time;
get_snapshot_time = other.get_snapshot_time;
get_from_memtable_time = other.get_from_memtable_time;
get_from_memtable_count = other.get_from_memtable_count;
get_post_process_time = other.get_post_process_time;
get_from_output_files_time = other.get_from_output_files_time;
seek_on_memtable_time = other.seek_on_memtable_time;
seek_on_memtable_count = other.seek_on_memtable_count;
next_on_memtable_count = other.next_on_memtable_count;
prev_on_memtable_count = other.prev_on_memtable_count;
seek_child_seek_time = other.seek_child_seek_time;
seek_child_seek_count = other.seek_child_seek_count;
seek_min_heap_time = other.seek_min_heap_time;
seek_internal_seek_time = other.seek_internal_seek_time;
find_next_user_entry_time = other.find_next_user_entry_time;
write_pre_and_post_process_time = other.write_pre_and_post_process_time;
write_memtable_time = other.write_memtable_time;
write_delay_time = other.write_delay_time;
write_thread_wait_nanos = other.write_thread_wait_nanos;
write_scheduling_flushes_compactions_time =
other.write_scheduling_flushes_compactions_time;
db_mutex_lock_nanos = other.db_mutex_lock_nanos;
db_condition_wait_nanos = other.db_condition_wait_nanos;
merge_operator_time_nanos = other.merge_operator_time_nanos;
read_index_block_nanos = other.read_index_block_nanos;
read_filter_block_nanos = other.read_filter_block_nanos;
new_table_block_iter_nanos = other.new_table_block_iter_nanos;
new_table_iterator_nanos = other.new_table_iterator_nanos;
block_seek_nanos = other.block_seek_nanos;
find_table_nanos = other.find_table_nanos;
bloom_memtable_hit_count = other.bloom_memtable_hit_count;
bloom_memtable_miss_count = other.bloom_memtable_miss_count;
bloom_sst_hit_count = other.bloom_sst_hit_count;
bloom_sst_miss_count = other.bloom_sst_miss_count;
key_lock_wait_time = other.key_lock_wait_time;
key_lock_wait_count = other.key_lock_wait_count;
env_new_sequential_file_nanos = other.env_new_sequential_file_nanos;
env_new_random_access_file_nanos = other.env_new_random_access_file_nanos;
env_new_writable_file_nanos = other.env_new_writable_file_nanos;
env_reuse_writable_file_nanos = other.env_reuse_writable_file_nanos;
env_new_random_rw_file_nanos = other.env_new_random_rw_file_nanos;
env_new_directory_nanos = other.env_new_directory_nanos;
env_file_exists_nanos = other.env_file_exists_nanos;
env_get_children_nanos = other.env_get_children_nanos;
env_get_children_file_attributes_nanos =
other.env_get_children_file_attributes_nanos;
env_delete_file_nanos = other.env_delete_file_nanos;
env_create_dir_nanos = other.env_create_dir_nanos;
env_create_dir_if_missing_nanos = other.env_create_dir_if_missing_nanos;
env_delete_dir_nanos = other.env_delete_dir_nanos;
env_get_file_size_nanos = other.env_get_file_size_nanos;
env_get_file_modification_time_nanos =
other.env_get_file_modification_time_nanos;
env_rename_file_nanos = other.env_rename_file_nanos;
env_link_file_nanos = other.env_link_file_nanos;
env_lock_file_nanos = other.env_lock_file_nanos;
env_unlock_file_nanos = other.env_unlock_file_nanos;
env_new_logger_nanos = other.env_new_logger_nanos;
get_cpu_nanos = other.get_cpu_nanos;
iter_next_cpu_nanos = other.iter_next_cpu_nanos;
iter_prev_cpu_nanos = other.iter_prev_cpu_nanos;
iter_seek_cpu_nanos = other.iter_seek_cpu_nanos;
if (per_level_perf_context_enabled && level_to_perf_context != nullptr) {
ClearPerLevelPerfContext();
}
if (other.level_to_perf_context != nullptr) {
level_to_perf_context = new std::map<uint32_t, PerfContextByLevel>();
*level_to_perf_context = *other.level_to_perf_context;
}
per_level_perf_context_enabled = other.per_level_perf_context_enabled;
#endif
return *this;
}
void PerfContext::Reset() {
#ifndef NPERF_CONTEXT
user_key_comparison_count = 0;
block_cache_hit_count = 0;
block_read_count = 0;
block_read_byte = 0;
block_read_time = 0;
block_cache_index_hit_count = 0;
index_block_read_count = 0;
block_cache_filter_hit_count = 0;
filter_block_read_count = 0;
compression_dict_block_read_count = 0;
secondary_cache_hit_count = 0;
block_checksum_time = 0;
block_decompress_time = 0;
get_read_bytes = 0;
multiget_read_bytes = 0;
iter_read_bytes = 0;
internal_key_skipped_count = 0;
internal_delete_skipped_count = 0;
internal_recent_skipped_count = 0;
internal_merge_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;
next_on_memtable_count = 0;
prev_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;
write_thread_wait_nanos = 0;
write_scheduling_flushes_compactions_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;
key_lock_wait_time = 0;
key_lock_wait_count = 0;
env_new_sequential_file_nanos = 0;
env_new_random_access_file_nanos = 0;
env_new_writable_file_nanos = 0;
env_reuse_writable_file_nanos = 0;
env_new_random_rw_file_nanos = 0;
env_new_directory_nanos = 0;
env_file_exists_nanos = 0;
env_get_children_nanos = 0;
env_get_children_file_attributes_nanos = 0;
env_delete_file_nanos = 0;
env_create_dir_nanos = 0;
env_create_dir_if_missing_nanos = 0;
env_delete_dir_nanos = 0;
env_get_file_size_nanos = 0;
env_get_file_modification_time_nanos = 0;
env_rename_file_nanos = 0;
env_link_file_nanos = 0;
env_lock_file_nanos = 0;
env_unlock_file_nanos = 0;
env_new_logger_nanos = 0;
get_cpu_nanos = 0;
iter_next_cpu_nanos = 0;
iter_prev_cpu_nanos = 0;
iter_seek_cpu_nanos = 0;
if (per_level_perf_context_enabled && level_to_perf_context) {
for (auto& kv : *level_to_perf_context) {
kv.second.Reset();
}
}
#endif
}
#define PERF_CONTEXT_OUTPUT(counter) \
if (!exclude_zero_counters || (counter > 0)) { \
ss << #counter << " = " << counter << ", "; \
}
#define PERF_CONTEXT_BY_LEVEL_OUTPUT_ONE_COUNTER(counter) \
if (per_level_perf_context_enabled && \
level_to_perf_context) { \
ss << #counter << " = "; \
for (auto& kv : *level_to_perf_context) { \
if (!exclude_zero_counters || (kv.second.counter > 0)) { \
ss << kv.second.counter << "@level" << kv.first << ", "; \
} \
} \
}
void PerfContextByLevel::Reset() {
#ifndef NPERF_CONTEXT
bloom_filter_useful = 0;
bloom_filter_full_positive = 0;
bloom_filter_full_true_positive = 0;
block_cache_hit_count = 0;
block_cache_miss_count = 0;
#endif
}
std::string PerfContext::ToString(bool exclude_zero_counters) const {
#ifdef NPERF_CONTEXT
(void)exclude_zero_counters;
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_cache_index_hit_count);
PERF_CONTEXT_OUTPUT(index_block_read_count);
PERF_CONTEXT_OUTPUT(block_cache_filter_hit_count);
PERF_CONTEXT_OUTPUT(filter_block_read_count);
PERF_CONTEXT_OUTPUT(compression_dict_block_read_count);
PERF_CONTEXT_OUTPUT(secondary_cache_hit_count);
PERF_CONTEXT_OUTPUT(block_checksum_time);
PERF_CONTEXT_OUTPUT(block_decompress_time);
PERF_CONTEXT_OUTPUT(get_read_bytes);
PERF_CONTEXT_OUTPUT(multiget_read_bytes);
PERF_CONTEXT_OUTPUT(iter_read_bytes);
PERF_CONTEXT_OUTPUT(internal_key_skipped_count);
PERF_CONTEXT_OUTPUT(internal_delete_skipped_count);
PERF_CONTEXT_OUTPUT(internal_recent_skipped_count);
PERF_CONTEXT_OUTPUT(internal_merge_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(next_on_memtable_count);
PERF_CONTEXT_OUTPUT(prev_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(write_thread_wait_nanos);
PERF_CONTEXT_OUTPUT(write_scheduling_flushes_compactions_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);
PERF_CONTEXT_OUTPUT(key_lock_wait_time);
PERF_CONTEXT_OUTPUT(key_lock_wait_count);
PERF_CONTEXT_OUTPUT(env_new_sequential_file_nanos);
PERF_CONTEXT_OUTPUT(env_new_random_access_file_nanos);
PERF_CONTEXT_OUTPUT(env_new_writable_file_nanos);
PERF_CONTEXT_OUTPUT(env_reuse_writable_file_nanos);
PERF_CONTEXT_OUTPUT(env_new_random_rw_file_nanos);
PERF_CONTEXT_OUTPUT(env_new_directory_nanos);
PERF_CONTEXT_OUTPUT(env_file_exists_nanos);
PERF_CONTEXT_OUTPUT(env_get_children_nanos);
PERF_CONTEXT_OUTPUT(env_get_children_file_attributes_nanos);
PERF_CONTEXT_OUTPUT(env_delete_file_nanos);
PERF_CONTEXT_OUTPUT(env_create_dir_nanos);
PERF_CONTEXT_OUTPUT(env_create_dir_if_missing_nanos);
PERF_CONTEXT_OUTPUT(env_delete_dir_nanos);
PERF_CONTEXT_OUTPUT(env_get_file_size_nanos);
PERF_CONTEXT_OUTPUT(env_get_file_modification_time_nanos);
PERF_CONTEXT_OUTPUT(env_rename_file_nanos);
PERF_CONTEXT_OUTPUT(env_link_file_nanos);
PERF_CONTEXT_OUTPUT(env_lock_file_nanos);
PERF_CONTEXT_OUTPUT(env_unlock_file_nanos);
PERF_CONTEXT_OUTPUT(env_new_logger_nanos);
PERF_CONTEXT_OUTPUT(get_cpu_nanos);
PERF_CONTEXT_OUTPUT(iter_next_cpu_nanos);
PERF_CONTEXT_OUTPUT(iter_prev_cpu_nanos);
PERF_CONTEXT_OUTPUT(iter_seek_cpu_nanos);
PERF_CONTEXT_BY_LEVEL_OUTPUT_ONE_COUNTER(bloom_filter_useful);
PERF_CONTEXT_BY_LEVEL_OUTPUT_ONE_COUNTER(bloom_filter_full_positive);
PERF_CONTEXT_BY_LEVEL_OUTPUT_ONE_COUNTER(bloom_filter_full_true_positive);
PERF_CONTEXT_BY_LEVEL_OUTPUT_ONE_COUNTER(block_cache_hit_count);
PERF_CONTEXT_BY_LEVEL_OUTPUT_ONE_COUNTER(block_cache_miss_count);
std::string str = ss.str();
str.erase(str.find_last_not_of(", ") + 1);
return str;
#endif
}
void PerfContext::EnablePerLevelPerfContext() {
if (level_to_perf_context == nullptr) {
level_to_perf_context = new std::map<uint32_t, PerfContextByLevel>();
}
per_level_perf_context_enabled = true;
}
void PerfContext::DisablePerLevelPerfContext(){
per_level_perf_context_enabled = false;
}
void PerfContext::ClearPerLevelPerfContext(){
if (level_to_perf_context != nullptr) {
level_to_perf_context->clear();
delete level_to_perf_context;
level_to_perf_context = nullptr;
}
per_level_perf_context_enabled = false;
}
} // namespace ROCKSDB_NAMESPACE