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mariadb/storage/rocksdb/rdb_perf_context.cc
Marko Mäkelä e82fe21e3a Merge 10.2 into 10.3
2019-07-02 17:46:22 +03:00

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/*
Portions Copyright (c) 2015-Present, Facebook, Inc.
Portions Copyright (c) 2012, Monty Program Ab
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
#include <my_global.h>
#include "rdb_mariadb_port.h"
/* This C++ file's header file */
#include "./rdb_perf_context.h"
/* C++ system header files */
#include <string>
/* RocksDB header files */
#include "rocksdb/iostats_context.h"
#include "rocksdb/perf_context.h"
/* MyRocks header files */
#include "./ha_rocksdb_proto.h"
namespace myrocks {
// To add a new metric:
// 1. Update the PC enum in rdb_perf_context.h
// 2. Update sections (A), (B), and (C) below
// 3. Update perf_context.test and show_engine.test
std::string rdb_pc_stat_types[] = {
// (A) These should be in the same order as the PC enum
"USER_KEY_COMPARISON_COUNT",
"BLOCK_CACHE_HIT_COUNT",
"BLOCK_READ_COUNT",
"BLOCK_READ_BYTE",
"BLOCK_READ_TIME",
"BLOCK_CHECKSUM_TIME",
"BLOCK_DECOMPRESS_TIME",
"GET_READ_BYTES",
"MULTIGET_READ_BYTES",
"ITER_READ_BYTES",
"INTERNAL_KEY_SKIPPED_COUNT",
"INTERNAL_DELETE_SKIPPED_COUNT",
"INTERNAL_RECENT_SKIPPED_COUNT",
"INTERNAL_MERGE_COUNT",
"GET_SNAPSHOT_TIME",
"GET_FROM_MEMTABLE_TIME",
"GET_FROM_MEMTABLE_COUNT",
"GET_POST_PROCESS_TIME",
"GET_FROM_OUTPUT_FILES_TIME",
"SEEK_ON_MEMTABLE_TIME",
"SEEK_ON_MEMTABLE_COUNT",
"NEXT_ON_MEMTABLE_COUNT",
"PREV_ON_MEMTABLE_COUNT",
"SEEK_CHILD_SEEK_TIME",
"SEEK_CHILD_SEEK_COUNT",
"SEEK_MIN_HEAP_TIME",
"SEEK_MAX_HEAP_TIME",
"SEEK_INTERNAL_SEEK_TIME",
"FIND_NEXT_USER_ENTRY_TIME",
"WRITE_WAL_TIME",
"WRITE_MEMTABLE_TIME",
"WRITE_DELAY_TIME",
"WRITE_PRE_AND_POST_PROCESS_TIME",
"DB_MUTEX_LOCK_NANOS",
"DB_CONDITION_WAIT_NANOS",
"MERGE_OPERATOR_TIME_NANOS",
"READ_INDEX_BLOCK_NANOS",
"READ_FILTER_BLOCK_NANOS",
"NEW_TABLE_BLOCK_ITER_NANOS",
"NEW_TABLE_ITERATOR_NANOS",
"BLOCK_SEEK_NANOS",
"FIND_TABLE_NANOS",
"BLOOM_MEMTABLE_HIT_COUNT",
"BLOOM_MEMTABLE_MISS_COUNT",
"BLOOM_SST_HIT_COUNT",
"BLOOM_SST_MISS_COUNT",
"KEY_LOCK_WAIT_TIME",
"KEY_LOCK_WAIT_COUNT",
"IO_THREAD_POOL_ID",
"IO_BYTES_WRITTEN",
"IO_BYTES_READ",
"IO_OPEN_NANOS",
"IO_ALLOCATE_NANOS",
"IO_WRITE_NANOS",
"IO_READ_NANOS",
"IO_RANGE_SYNC_NANOS",
"IO_LOGGER_NANOS"};
#define IO_PERF_RECORD(_field_) \
do { \
if (rocksdb::get_perf_context()->_field_ > 0) { \
counters->m_value[idx] += rocksdb::get_perf_context()->_field_; \
} \
idx++; \
} while (0)
#define IO_STAT_RECORD(_field_) \
do { \
if (rocksdb::get_iostats_context()->_field_ > 0) { \
counters->m_value[idx] += rocksdb::get_iostats_context()->_field_; \
} \
idx++; \
} while (0)
static void harvest_diffs(Rdb_atomic_perf_counters *const counters) {
// (C) These should be in the same order as the PC enum
size_t idx = 0;
IO_PERF_RECORD(user_key_comparison_count);
IO_PERF_RECORD(block_cache_hit_count);
IO_PERF_RECORD(block_read_count);
IO_PERF_RECORD(block_read_byte);
IO_PERF_RECORD(block_read_time);
IO_PERF_RECORD(block_checksum_time);
IO_PERF_RECORD(block_decompress_time);
IO_PERF_RECORD(get_read_bytes);
IO_PERF_RECORD(multiget_read_bytes);
IO_PERF_RECORD(iter_read_bytes);
IO_PERF_RECORD(internal_key_skipped_count);
IO_PERF_RECORD(internal_delete_skipped_count);
IO_PERF_RECORD(internal_recent_skipped_count);
IO_PERF_RECORD(internal_merge_count);
IO_PERF_RECORD(get_snapshot_time);
IO_PERF_RECORD(get_from_memtable_time);
IO_PERF_RECORD(get_from_memtable_count);
IO_PERF_RECORD(get_post_process_time);
IO_PERF_RECORD(get_from_output_files_time);
IO_PERF_RECORD(seek_on_memtable_time);
IO_PERF_RECORD(seek_on_memtable_count);
IO_PERF_RECORD(next_on_memtable_count);
IO_PERF_RECORD(prev_on_memtable_count);
IO_PERF_RECORD(seek_child_seek_time);
IO_PERF_RECORD(seek_child_seek_count);
IO_PERF_RECORD(seek_min_heap_time);
IO_PERF_RECORD(seek_max_heap_time);
IO_PERF_RECORD(seek_internal_seek_time);
IO_PERF_RECORD(find_next_user_entry_time);
IO_PERF_RECORD(write_wal_time);
IO_PERF_RECORD(write_memtable_time);
IO_PERF_RECORD(write_delay_time);
IO_PERF_RECORD(write_pre_and_post_process_time);
IO_PERF_RECORD(db_mutex_lock_nanos);
IO_PERF_RECORD(db_condition_wait_nanos);
IO_PERF_RECORD(merge_operator_time_nanos);
IO_PERF_RECORD(read_index_block_nanos);
IO_PERF_RECORD(read_filter_block_nanos);
IO_PERF_RECORD(new_table_block_iter_nanos);
IO_PERF_RECORD(new_table_iterator_nanos);
IO_PERF_RECORD(block_seek_nanos);
IO_PERF_RECORD(find_table_nanos);
IO_PERF_RECORD(bloom_memtable_hit_count);
IO_PERF_RECORD(bloom_memtable_miss_count);
IO_PERF_RECORD(bloom_sst_hit_count);
IO_PERF_RECORD(bloom_sst_miss_count);
IO_PERF_RECORD(key_lock_wait_time);
IO_PERF_RECORD(key_lock_wait_count);
IO_STAT_RECORD(thread_pool_id);
IO_STAT_RECORD(bytes_written);
IO_STAT_RECORD(bytes_read);
IO_STAT_RECORD(open_nanos);
IO_STAT_RECORD(allocate_nanos);
IO_STAT_RECORD(write_nanos);
IO_STAT_RECORD(read_nanos);
IO_STAT_RECORD(range_sync_nanos);
IO_STAT_RECORD(logger_nanos);
}
#undef IO_PERF_DIFF
#undef IO_STAT_DIFF
static Rdb_atomic_perf_counters rdb_global_perf_counters;
void rdb_get_global_perf_counters(Rdb_perf_counters *const counters) {
counters->load(rdb_global_perf_counters);
}
void Rdb_perf_counters::load(const Rdb_atomic_perf_counters &atomic_counters) {
for (int i = 0; i < PC_MAX_IDX; i++) {
m_value[i] = atomic_counters.m_value[i].load(std::memory_order_relaxed);
}
}
bool Rdb_io_perf::start(const uint32_t perf_context_level) {
const rocksdb::PerfLevel perf_level =
static_cast<rocksdb::PerfLevel>(perf_context_level);
if (rocksdb::GetPerfLevel() != perf_level) {
rocksdb::SetPerfLevel(perf_level);
}
if (perf_level == rocksdb::kDisable) {
return false;
}
rocksdb::get_perf_context()->Reset();
rocksdb::get_iostats_context()->Reset();
return true;
}
void Rdb_io_perf::update_bytes_written(const uint32_t perf_context_level,
ulonglong bytes_written) {
const rocksdb::PerfLevel perf_level =
static_cast<rocksdb::PerfLevel>(perf_context_level);
if (perf_level != rocksdb::kDisable && m_shared_io_perf_write) {
io_write_bytes += bytes_written;
io_write_requests += 1;
}
}
void Rdb_io_perf::end_and_record(const uint32_t perf_context_level) {
const rocksdb::PerfLevel perf_level =
static_cast<rocksdb::PerfLevel>(perf_context_level);
if (perf_level == rocksdb::kDisable) {
return;
}
if (m_atomic_counters) {
harvest_diffs(m_atomic_counters);
}
harvest_diffs(&rdb_global_perf_counters);
if (m_shared_io_perf_read &&
(rocksdb::get_perf_context()->block_read_byte != 0 ||
rocksdb::get_perf_context()->block_read_count != 0 ||
rocksdb::get_perf_context()->block_read_time != 0))
{
#ifdef MARIAROCKS_NOT_YET
my_io_perf_t io_perf_read;
io_perf_read.init();
io_perf_read.bytes = rocksdb::get_perf_context()->block_read_byte;
io_perf_read.requests = rocksdb::get_perf_context()->block_read_count;
/*
Rocksdb does not distinguish between I/O service and wait time, so just
use svc time.
*/
io_perf_read.svc_time_max = io_perf_read.svc_time =
rocksdb::get_perf_context()->block_read_time;
m_shared_io_perf_read->sum(io_perf_read);
m_stats->table_io_perf_read.sum(io_perf_read);
#endif
}
#ifdef MARIAROCKS_NOT_YET
if (m_shared_io_perf_write &&
(io_write_bytes != 0 || io_write_requests != 0)) {
my_io_perf_t io_perf_write;
io_perf_write.init();
io_perf_write.bytes = io_write_bytes;
io_perf_write.requests = io_write_requests;
m_shared_io_perf_write->sum(io_perf_write);
m_stats->table_io_perf_write.sum(io_perf_write);
io_write_bytes = 0;
io_write_requests = 0;
}
if (m_stats) {
if (rocksdb::get_perf_context()->internal_key_skipped_count != 0) {
m_stats->key_skipped +=
rocksdb::get_perf_context()->internal_key_skipped_count;
}
if (rocksdb::get_perf_context()->internal_delete_skipped_count != 0) {
m_stats->delete_skipped +=
rocksdb::get_perf_context()->internal_delete_skipped_count;
}
}
#endif
}
} // namespace myrocks
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