126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_SQL_OB_EXEC_STAT_COLLECTOR_H_
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#define OCEANBASE_SQL_OB_EXEC_STAT_COLLECTOR_H_
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#include "lib/utility/ob_macro_utils.h"
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#include "lib/string/ob_string.h"
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#include "lib/trace/ob_trace_event.h"
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#include "sql/monitor/ob_phy_operator_monitor_info.h"
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#include "sql/monitor/ob_exec_stat.h"
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#include "lib/net/ob_addr.h"
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namespace oceanbase
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{
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namespace observer
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{
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class ObInnerSQLResult;
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}
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namespace sql
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{
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class ObExecContext;
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class ObPhyPlanMonitorInfo;
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class ObPhyOperatorMonitorInfo;
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class ObSql;
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class ObPhysicalPlan;
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class ObSQLSessionInfo;
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class ObExecStatCollector
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{
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public:
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ObExecStatCollector() : length_(0) {}
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~ObExecStatCollector() {}
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int collect_monitor_info(uint64_t job_id,
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uint64_t task_id,
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ObPhyOperatorMonitorInfo &op_info);
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int collect_plan_monitor_info(uint64_t job_id,
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uint64_t task_id,
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ObPhyPlanMonitorInfo *monitor_info);
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int add_raw_stat(const common::ObString &str);
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int get_extend_info(common::ObIAllocator &allocator, common::ObString &str);
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void reset();
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private:
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template<class T>
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int add_stat(const T *value);
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/* functions */
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DISALLOW_COPY_AND_ASSIGN(ObExecStatCollector);
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static const int64_t MAX_STAT_BUF_COUNT = 10240;
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char extend_buf_[MAX_STAT_BUF_COUNT];
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int64_t length_;
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};
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class ObExecStatDispatch
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{
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public:
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ObExecStatDispatch() : stat_str_(), pos_(0){};
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~ObExecStatDispatch() {};
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int set_extend_info(const common::ObString &str);
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//负责将字符串解析成正常数据结构；
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int dispatch(bool need_add_monitor,
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ObPhyPlanMonitorInfo *monitor_info,
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bool need_update_plan,
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ObPhysicalPlan *plan);
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private:
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int get_next_type(StatType &type);
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template<class T>
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int get_value(T *value);
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private:
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DISALLOW_COPY_AND_ASSIGN(ObExecStatDispatch);
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common::ObString stat_str_;
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int64_t pos_;
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};
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class ObExecStatUtils
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{
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public:
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template <class T>
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OB_INLINE static void record_exec_timestamp(const T &process,
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bool is_first, //是否是第一次执行时记录，而不是retry
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ObExecTimestamp &exec_timestamp)
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{
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exec_timestamp.rpc_send_ts_ = process.get_send_timestamp();
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exec_timestamp.receive_ts_ = process.get_receive_timestamp();
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exec_timestamp.enter_queue_ts_ = process.get_enqueue_timestamp();
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exec_timestamp.run_ts_ = process.get_run_timestamp();
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exec_timestamp.before_process_ts_ = process.get_process_timestamp();
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exec_timestamp.single_process_ts_ = process.get_single_process_timestamp();
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exec_timestamp.process_executor_ts_ = process.get_exec_start_timestamp();
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exec_timestamp.executor_end_ts_ = process.get_exec_end_timestamp();
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if (is_first) {
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/* packet 遇见的事件顺序：
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* send -> receive -> enter_queue -> run -> before_process -> single_process -> executor_start -> executor_end
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* multistmt 场景特殊处理，第二个及之后的 sql 的 net_t、net_wait_ 均为 0
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*/
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if (OB_UNLIKELY(exec_timestamp.multistmt_start_ts_ > 0)) {
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exec_timestamp.net_t_ = 0;
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exec_timestamp.net_wait_t_ = 0;
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} else {
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exec_timestamp.net_t_ = exec_timestamp.receive_ts_ - exec_timestamp.rpc_send_ts_;
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exec_timestamp.net_wait_t_ = exec_timestamp.enter_queue_ts_ - exec_timestamp.receive_ts_;
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}
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}
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}
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private:
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DISALLOW_COPY_AND_ASSIGN(ObExecStatUtils);
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ObExecStatUtils();
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~ObExecStatUtils();
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};
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}
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}
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#endif /* OCEANBASE_COMMON_STAT_OB_EXEC_STAT_COLLECTOR_H_ */
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//// end of header file
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