mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 13:02:28 +01:00
84dd64702a
Rdb_atomic_perf_counters uses my_io_perf_atomic_struct which uses atomic_stat from include/atomic_stat.h which was backported in the previous cset.
136 lines
3.5 KiB
C++
136 lines
3.5 KiB
C++
/*
|
|
Portions Copyright (c) 2015-Present, Facebook, Inc.
|
|
Portions Copyright (c) 2012,2013 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
|
|
#pragma once
|
|
|
|
/* C++ standard header files */
|
|
#include <atomic>
|
|
#include <cstdint>
|
|
#include <string>
|
|
|
|
/* MySQL header files */
|
|
#include "./handler.h"
|
|
#include <my_global.h>
|
|
|
|
#include "rdb_mariadb_port.h"
|
|
|
|
namespace myrocks {
|
|
|
|
enum {
|
|
PC_USER_KEY_COMPARISON_COUNT = 0,
|
|
PC_BLOCK_CACHE_HIT_COUNT,
|
|
PC_BLOCK_READ_COUNT,
|
|
PC_BLOCK_READ_BYTE,
|
|
PC_BLOCK_READ_TIME,
|
|
PC_BLOCK_CHECKSUM_TIME,
|
|
PC_BLOCK_DECOMPRESS_TIME,
|
|
PC_KEY_SKIPPED,
|
|
PC_DELETE_SKIPPED,
|
|
PC_GET_SNAPSHOT_TIME,
|
|
PC_GET_FROM_MEMTABLE_TIME,
|
|
PC_GET_FROM_MEMTABLE_COUNT,
|
|
PC_GET_POST_PROCESS_TIME,
|
|
PC_GET_FROM_OUTPUT_FILES_TIME,
|
|
PC_SEEK_ON_MEMTABLE_TIME,
|
|
PC_SEEK_ON_MEMTABLE_COUNT,
|
|
PC_SEEK_CHILD_SEEK_TIME,
|
|
PC_SEEK_CHILD_SEEK_COUNT,
|
|
PC_SEEK_MIN_HEAP_TIME,
|
|
PC_SEEK_INTERNAL_SEEK_TIME,
|
|
PC_FIND_NEXT_USER_ENTRY_TIME,
|
|
PC_WRITE_WAL_TIME,
|
|
PC_WRITE_MEMTABLE_TIME,
|
|
PC_WRITE_DELAY_TIME,
|
|
PC_WRITE_PRE_AND_POST_PROCESSS_TIME,
|
|
PC_DB_MUTEX_LOCK_NANOS,
|
|
PC_DB_CONDITION_WAIT_NANOS,
|
|
PC_MERGE_OPERATOR_TIME_NANOS,
|
|
PC_READ_INDEX_BLOCK_NANOS,
|
|
PC_READ_FILTER_BLOCK_NANOS,
|
|
PC_NEW_TABLE_BLOCK_ITER_NANOS,
|
|
PC_NEW_TABLE_ITERATOR_NANOS,
|
|
PC_BLOCK_SEEK_NANOS,
|
|
PC_FIND_TABLE_NANOS,
|
|
PC_IO_THREAD_POOL_ID,
|
|
PC_IO_BYTES_WRITTEN,
|
|
PC_IO_BYTES_READ,
|
|
PC_IO_OPEN_NANOS,
|
|
PC_IO_ALLOCATE_NANOS,
|
|
PC_IO_WRITE_NANOS,
|
|
PC_IO_READ_NANOS,
|
|
PC_IO_RANGE_SYNC_NANOS,
|
|
PC_IO_LOGGER_NANOS,
|
|
PC_MAX_IDX
|
|
};
|
|
|
|
class Rdb_perf_counters;
|
|
|
|
/*
|
|
A collection of performance counters that can be safely incremented by
|
|
multiple threads since it stores atomic datapoints.
|
|
*/
|
|
struct Rdb_atomic_perf_counters
|
|
{
|
|
std::atomic_ullong m_value[PC_MAX_IDX];
|
|
};
|
|
|
|
/*
|
|
A collection of performance counters that is meant to be incremented by
|
|
a single thread.
|
|
*/
|
|
class Rdb_perf_counters
|
|
{
|
|
public:
|
|
uint64_t m_value[PC_MAX_IDX];
|
|
|
|
void load(const Rdb_atomic_perf_counters &atomic_counters);
|
|
};
|
|
|
|
extern std::string rdb_pc_stat_types[PC_MAX_IDX];
|
|
|
|
/*
|
|
Perf timers for data reads
|
|
*/
|
|
class Rdb_io_perf
|
|
{
|
|
// Context management
|
|
Rdb_atomic_perf_counters *m_atomic_counters= nullptr;
|
|
my_io_perf_atomic_t *m_shared_io_perf_read= nullptr;
|
|
ha_statistics *m_stats= nullptr;
|
|
|
|
public:
|
|
void init(Rdb_atomic_perf_counters *atomic_counters,
|
|
my_io_perf_atomic_t *shared_io_perf_read,
|
|
ha_statistics *stats)
|
|
{
|
|
DBUG_ASSERT(atomic_counters != nullptr);
|
|
DBUG_ASSERT(shared_io_perf_read != nullptr);
|
|
DBUG_ASSERT(stats != nullptr);
|
|
|
|
m_atomic_counters= atomic_counters;
|
|
m_shared_io_perf_read= shared_io_perf_read;
|
|
m_stats= stats;
|
|
}
|
|
|
|
bool start(uint32_t perf_context_level);
|
|
void end_and_record(uint32_t perf_context_level);
|
|
|
|
explicit Rdb_io_perf() : m_atomic_counters(nullptr),
|
|
m_shared_io_perf_read(nullptr),
|
|
m_stats(nullptr) {}
|
|
};
|
|
|
|
} // namespace myrocks
|