New Extended Events for Tracing in SQL Server 2014

This article contains a list of new Extended Events, the tracing framework in SQL Server in the new 2014 release.

To begin with there are 3 new packages, all belonging to the new In-Memory OLTP Engine: XTP, split up into 3 dlls:

Package	description	Module name
XtpRuntime	Extended events for the XTP Runtime	{InstanceDir}MSSQLBinn hkruntime.dll
XtpEngine	Extended events for the XTP Engine	{InstanceDir}MSSQLBinn hkengine.dll
XtpCompile	Extended events for the XTP Compile	{InstanceDir}MSSQLBinn hkcompile.dll

The number of Extended Events increased from 625 in SQL Server 2012 (SP1) to 870 in SQL Server 2014 (RTM). That makes 245 new events! – Plenty of opportunities to look into internals 🙂 2 events have been renamed:

recovery_incremental_checkpoint into

recovery_indirect_checkpoint

and hekaton_slow_param_passing into

natively_compiled_proc_slow_parameter_passing

Yes, you read correctly. There have already been a couple of events for the new XTP engine within SQL Server 2012. It’s quite common that you can find bits of future developments within the current release.

By the way: SQL Trace has not been touched in the slightest. The number of SQL Trace events has stayed at 180 since SQL Server 2008. – here you find an overview of the number of Extended Events vs SQL Trace events in the various SQL Server versions: Comparing Extended Events vs SQL Trace – or why SQL Trace & Profiler are just a thing of the past 🙂

Continuing with XEvents: There are no new predicates, but a couple more maps, which is of course not surprising considering the amount of new events. Targets, actions, types and session options are unchanged.

And here is the list of all new extended events:

Package name	Event name	description
qds	query_store_async_shutdown_failed	Fired when query store encounters an error during async query store shutdown
qds	query_store_background_cleanup_task_failed	Fired if the background task for cleanup of QDS stale data is not completed successfully
qds	query_store_background_task_creation_failed	Fired if the background task for QDS data persistence could not be created
qds	query_store_background_task_initialization_failed	Fired if the background task for QDS data persistence could not be initialized
qds	query_store_background_task_persist_failed	Fired if the background task for QDS data persistence is not completed successfully
qds	query_store_begin_persist_runtime_stat	Fired immediately before current runtime statistics for a query plan is persisted to the database.
qds	query_store_bloom_filter_false_positive	Fired if the Bloom filter for QDS statement texts gives a false positive result
qds	query_store_check_consistency_init_failed	Fired when check consistency task fails during initialization
qds	query_store_database_initialization_failed	Fired if initialization of the Query Store for database has failed. The Query Store will be disabled for this database
qds	query_store_db_cleanup__finished	Fired if cleanup of QDS stale data finished for particular database.
qds	query_store_db_cleanup__started	Fired if cleanup of QDS stale data started for particular database.
qds	query_store_disk_size_check_failed	Fired when a check against Query Store on-disk size limit fails
qds	query_store_disk_size_info	Fired when a check against QDS on-disk size is performed
qds	query_store_execution_runtime_info	Fired when runtime information is sent to the query store.
qds	query_store_execution_runtime_info_discarded	Fired when runtime information sent to the query store is discarded.
qds	query_store_execution_runtime_info_evicted	Fired when runtime information sent to the query store is evicted.
qds	query_store_flush_failed	Fired when query store failed to flush dirty data
qds	query_store_loaded	Fired when query store is loaded
qds	query_store_notify_dirty_shutdown_on_partition_startup	Fired when previous instance of query store for the partition is shutdown by force in order to allow creation of a new instance
qds	query_store_notify_force_failure_failed	Fired when query store failed to notify force failure
qds	query_store_persist_task_init_failed	Fired when persist task fails during initialization
qds	query_store_plan_forcing_failed	Occurs when forcing of plan from qds fail
qds	query_store_plan_persistence_failure	Fired if there’s a failure to persist plan
qds	query_store_plan_removal	Fired when plan is removed
qds	query_store_query_persistence_failure	Fired if there’s a failure to persist query
qds	query_store_read_write_failed	Fired if the read/write to Query Store internal tables failed
qds	query_store_statement_not_found	Fired in case when statement couldn’t be found due to race condition or ambiguous user request.
qds	query_store_unloaded	Fired when query store is unloaded from memory
sqlos	nonpreemptive_long_syncio	record long sync io operation in nonpreemptive worker
sqlos	stuck_dispatcher_callback_executed	Stuck dispatcher callback executed
sqlos	wait_completed	Occurs when there is a wait completed on a SQLOS controlled resource. Use this event to track wait completion.
sqlserver	after_natively_compiled_proc_entry_removal_on_drop	Fired after the procedure cache entry is flushed when dropping a natively compiled procedure.
sqlserver	availability_replica_state	Occurs when the Availability Replica is starting or shutting down.
sqlserver	before_natively_compiled_proc_entry_removal_on_drop	Fired before the procedure cache entry is flushed when dropping a natively compiled procedure.
sqlserver	before_redo_lsn_update	Occurs just prior to the update of the EOL LSN
sqlserver	buffer_pool_eviction_thresholds_recalculated	Lazywriter and/or worker clock has wrapped the BUF array and thresholds are re-calculated.
sqlserver	buffer_pool_extension_pages_evicted	Page is evicted from the buffer pool extension cache.
sqlserver	buffer_pool_extension_pages_read	Page is read from the buffer pool extension cache.
sqlserver	buffer_pool_extension_pages_written	Page or contiguous set of pages evicted into the buffer pool extension cache.
sqlserver	check_phase_tracing	Occurs when DBCC CHECK enters a new phase of the checking. Use this event to trace the phases of DBCC CHECK process.
sqlserver	check_thread_message_statistics	Occurs when a phase of DBCC CHECK is finished. Use this event to collect the number of messages a DBCC CHECK thread has sent or received.
sqlserver	check_thread_page_io_statistics	Occurs when a phase of DBCC CHECK is finished. Use this event to collect the number of logical, physical, and read-ahead IOs a DBCC CHECK thread has performed.
sqlserver	check_thread_page_latch_statistics	Occurs when a phase of DBCC CHECK is finished. Use This event to collect the number and time of page latch and IO latch waits.
sqlserver	clustered_columnstore_index_rebuild	Occurs when clustered index on the table was rebuilt. This event is raised three times for ALTER index rebuild operation on CCSI. The event is raised when the operation takes lock on index rebuild resource, when lock is taken on the table and when S lock on the table is upgraded to SCH_M lock to switch indexes in metadata.
sqlserver	column_store_code_coverage	Code coverage Xevent for columnstore code.
sqlserver	column_store_index_build_low_memory	Occurs when Storage Engine detects low memory condition and the rowgroup size is reduced.
sqlserver	column_store_index_build_process_segment	Occurs when a segment is processed
sqlserver	column_store_index_build_throttle	Shows the statistics of columnstore index build parallelism throttling
sqlserver	columnstore_tuple_mover_begin_compress	Occurs when column store tuple mover starts compressing a deltastore.
sqlserver	columnstore_tuple_mover_end_compress	Occurs when column store tuple mover is done compressing a deltastore.
sqlserver	database_xml_deadlock_report	Produces a deadlock report for a victim, with information scoped to the victim’s database.
sqlserver	db_lock_acquired_from_cache	Occurs when a DB lock is acquired from the XactWorkspace DB lock cache.
sqlserver	db_lock_released_from_cache	Occurs when a DB lock is released from the XactWorkspace DB lock cache.
sqlserver	ddl_with_wait_at_low_priority	A DDL statement was executed using the WAIT_AT_LOW_PRIORITY options
sqlserver	diag_quantum_end	Occurs when the diag is notified of quantum end.
sqlserver	dyn_throttle_checkpoint	Occurs when checkpointing has been dynamically throttled with a new Checkpoint rate.
sqlserver	feature_extension	Occurs when received and parses data for a feature in feature extension.
sqlserver	file_handle_in_use	Fired when a file handle we’re trying to delete is in use and we don’t expect it to be. The typical response is dumping all the handles in the system via SysInternals HANDLE.EXE
sqlserver	file_read_enqueued	File read enqueued
sqlserver	file_read_throttled	File read throttled
sqlserver	file_write_enqueued	File write enqueued
sqlserver	file_write_throttled	File write throttled
sqlserver	ghost_cleanup_task_packet_enqueue	A task packet is enqueued
sqlserver	ghost_cleanup_task_process_packet	A task packet is dequeued and processed
sqlserver	ghost_cleanup_task_process_pages_for_db_packet	Purge the pages that contain ghost records found in a database
sqlserver	ghost_cleanup_task_start	Ghost cleanup task start
sqlserver	ghost_cleanup_task_suspend	Ghost cleanup task suspend
sqlserver	hadr_tds_synchronizer_payload_skip	Hadron Tds Listener Synchronizer skipped a listener payload because there were no changes since the previous payload.
sqlserver	lock_request_priority_state	The priority state of a lock request
sqlserver	log_cache_write_block	Writing a log block to the log cache
sqlserver	metadata_ddl_add_column	Occurs when an ALTER TABLE ADD column operation is updating base index.
sqlserver	metadata_ddl_alter_column	Occurs when an ALTER TABLE ALTER column operation is updating base index.
sqlserver	metadata_ddl_drop_column	Occurs when an ALTER TABLE DROP column operation is updating base index.
sqlserver	mixed_extent_activation	Track mixed extent activation and deactivation operations.
sqlserver	mixed_extent_allocation	Track mixed extent allocation operations
sqlserver	mixed_extent_deallocation	Track mixed extent deallocation operations.
sqlserver	mixed_page_allocation	Track mixed page allocation operations
sqlserver	mixed_page_deallocation	Track mixed page allocation operations
sqlserver	mixed_page_scan_file	Track the activity of SGAM scans for mixed page allocation
sqlserver	mixed_page_scan_page	Track the activity of SGAM scans for mixed page allocation
sqlserver	mixed_page_skipextent	Track the activity of SGAM scans for mixed page allocation
sqlserver	natively_compiled_proc_execution_started	Fired before a natively compiled procedure is executed.
sqlserver	natively_compiled_proc_slow_parameter_passing	Occurs when a Hekaton procedure call dispatch goes to slow parameter passing code path
sqlserver	process_killed_by_abort_blockers	A process is killed by an ABORT = BLOCKERS DDL statement
sqlserver	query_execution_batch_hash_aggregation_finished	Occurs at the end of batch hash aggregation.
sqlserver	query_execution_batch_hash_children_reversed	Occurs each time when hash join reverses build and probe side while processing data spilled to disk.
sqlserver	query_execution_batch_hash_join_spilled	Occurs each time when hash join spills some data to disk in batch processing.
sqlserver	query_optimizer_estimate_cardinality	Occurs when the query optimizer estimates cardinality on a relational expression.
sqlserver	query_optimizer_force_both_cardinality_estimation_behaviors	Both traceflags 2312 and 9481 were enabled, attempting to force both old and new cardinality estimation behaviors at the same time. The traceflags were ignored. Disable one or both of the traceflags.
sqlserver	query_store_failed_to_capture_query	Fired if the Query Store failed to capture query. The Query Store will not track statistics for this query
sqlserver	query_store_failed_to_load_forced_plan	Fired if the query failed to load forced plan from QDS. Forcing policy will not be applied
sqlserver	query_store_persist_on_shutdown_failed	Occurs when SQL Server fails to store dirty entries in Query Store on database shutdown.
sqlserver	recovery_indirect_checkpoint	Chose to enqueue an indirect checkpoint as we are near our recovery target
sqlserver	remove_database_cache	Remove database cache
sqlserver	server_max_workers	Occurs when a request enqueue fails because a worker was not guaranteed.
sqlserver	session_recoverable_state_change	Occurs when the server determines a state change in term of session recovery on a connectionresilency-enabled connection.
sqlserver	sql_transaction_commit_single_phase	Occurs when a sql transaction is committed with single phase commit.
sqlserver	xfcb_blob_properties_obtained	Windows Azure Storage blob property is obtained from response header.
sqlserver	xfcb_failed_request	Failed to complete a request to Windows Azure Storage.
sqlserver	xfcb_header_obtained	Response header is obtained from request to Windows Azure Storage.
sqlserver	xfcb_read_complete	Read complete from Windows Azure Storage response.
sqlserver	xfcb_request_opened	A request is opened to Windows Azure Storage.
sqlserver	xfcb_send_complete	Request send to Windows Azure Storage is complete.
sqlserver	xfcb_write_complete	Request send to Windows Azure Storage is complete.
sqlserver	xtp_create_procedure	Occurs at start of XTP procedure creation.
sqlserver	xtp_create_table	Occurs at start of XTP table creation.
sqlserver	xtp_db_page_allocation_allowed	Indicates that page allocations for the database are allowed.
sqlserver	xtp_db_page_allocation_disallowed	Indicates that page allocations for the database are disallowed due to memory pressure.
sqlserver	xtp_deploy_done	Occurs at completion of XTP object deployment.
sqlserver	xtp_matgen	Occurs at start of MAT generation.
sqlserver	xtp_offline_checkpoint_scan_start	Fired by XTP offline checkpoint when the checkpoint thread begins.
sqlserver	xtp_offline_checkpoint_scan_stop	Fired by XTP offline checkpoint when the checkpoint thread stops.
sqlserver	xtp_recover_done	Occurs at completion of log recovery of XTP table.
sqlserver	xtp_recover_table	Occurs at start of log recovery of XTP table.
sqlserver	xtp_storage_table_create	Occurs at just before the XTP storage table is created.
ucs	ucs_connection_rejected_by_proxy_whitelist	After a connection attempt to the UCS proxy endpoint is rejected by whitelist check
ucs	ucs_proxy_connect_next_hop	UCS proxy next hop connection
ucs	ucs_proxy_receive_proxy_connect_message	UCS proxy receive proxy connect message
ucs	ucs_proxy_route_add	UCS proxy route added
ucs	ucs_proxy_route_disable	UCS proxy route disabled
ucs	ucs_proxy_route_refresh	UCS proxy route refreshed
ucs	ucs_proxy_send_proxy_connect_message	UCS proxy send proxy connect message
XtpCompile	cgen	Occurs at start of C code generation.
XtpCompile	invoke_cl	Occurs prior to the invocation of the C compiler.
XtpCompile	mat_export	Occurs at start of MAT export.
XtpCompile	pitgen_procs	Occurs at start of PIT generation for procedures.
XtpCompile	pitgen_tables	Occurs at start of PIT generation for tables.
XtpEngine	after_changestatetx_event	Fires after transaction changes state.
XtpEngine	alloctx_event
XtpEngine	attempt_committx_event	Is raised when a transaction is asked to commit.
XtpEngine	before_changestatetx_event	Fires before transaction changes state.
XtpEngine	dependency_acquiredtx_event	Raised after transaction takes a dependency on another transaction.
XtpEngine	endts_acquiredtx_event	Fires after transaction acquires an end timestamp.
XtpEngine	gc_base_generation_evaluation	Indicates that an evaluation of updating the GC base generation has been made.
XtpEngine	gc_base_generation_updated	Indicates that the oldest active transaction hint used for calculating the GC base generation has been updated.
XtpEngine	gc_cycle_completed	Indicates that a GC notification has been enqueued.
XtpEngine	gc_notification	Indicates that GC is processing a notification.
XtpEngine	redo_single_hk_record	Redo on a HK log record
XtpEngine	trace_add_delta_filter_begin	Adding delta filter.
XtpEngine	trace_add_duplicate_delta_filter	Adding duplicate delta filte.
XtpEngine	trace_adding_tx_filter	Adding tx filter.
XtpEngine	trace_begin_close_ckpt_processing	Beginning close checkpoint processing: checkpoint flush fence = $2 ($3 state).
XtpEngine	trace_cfd_entry_deleted	Cleaned up data CFD entry for file $2 $3.
XtpEngine	trace_cfd_rows_created	Successfully created CFD rows.
XtpEngine	trace_cfdtable_dump	CfdTable dump
XtpEngine	trace_cfp_handles_opened	Opened CFP handles for {data: $2 delta: $3} in section $4.
XtpEngine	trace_cfp_removed_from_freelist	Removed CFP from freelist for destination file.
XtpEngine	trace_checkpoint_file_flush	Indicating that a file has started a flush operation.
XtpEngine	trace_checkpoint_load_begin	Starting Checkpoint load with checkpoint timestamp=$2.
XtpEngine	trace_checkpoint_write_io	Logs an event indicating that an IO has started (when event_type == IoStarted) or that an IO has completed (when event_type == IoComplete).
XtpEngine	trace_checksum_validation_succeeded	Checksum validation for Hekaton checkpoint file during backup succeeded.
XtpEngine	trace_ckpt_close_begin	Closing checkpoint in active/passive state.
XtpEngine	trace_ckpt_close_signaled	Signaling checkpoint close. The checkpoint policy object is flagged to close the current checkpoint
XtpEngine	trace_ckpt_closed	Checkpoint closed
XtpEngine	trace_ckpt_load_thread_stats	Statistics of the checkpoint load thread.
XtpEngine	trace_ckpt_mrt_dump	Mrt dump
XtpEngine	trace_ckpt_serialization_state_dump	Checkpoint serialization state dump.
XtpEngine	trace_ckpt_stream_io_stats	Io statistics for this particular stream.
XtpEngine	trace_close_file_log_rec_created	Successfully created close file log record.
XtpEngine	trace_data_file_pages_txs	This event gives the number of pages and the transaction range for a data file.
XtpEngine	trace_data_from_page_deserialized	Deserialized data from page $2 in file $4.
XtpEngine	trace_data_row_modified	Data row modified/deleted.
XtpEngine	trace_delete_cfd_rows_begin	Matching MRT not found for the Data CFD. Deleting corresponding CFD Rows.
XtpEngine	trace_delete_DeletedObjectTable_row_begin	Deleting row from DeletedObjectTable in the context of transaction: $5.
XtpEngine	trace_delete_merged_source_file	Deleting merged source $7 file $5:$6. DeleteLSN = $2:$3:$4.
XtpEngine	trace_delete_mrtrow_for_target_begin	Deleting mrt row for target.
XtpEngine	trace_delta_entry_skipped	Skipping delta {$3, $4, $5} because it is beyond the snapshot checkpoint: $6.
XtpEngine	trace_delta_file_future_count_rows_pages_update	Updating future count pages and count rows for delta file.
XtpEngine	trace_delta_file_lastgood_count_rows_pages_update	Updating lastgood count pages and count rows for delta file.
XtpEngine	trace_delta_file_pages_txs	This event gives the number of pages and the transaction range while reading a delta file for a particular operations.
XtpEngine	trace_delta_file_processed	Completed processing of Delta file.
XtpEngine	trace_delta_file_set_clean_or_dirty	Delta file set clean or dirty.
XtpEngine	trace_delta_filter_removed	Removing delta filter from DeltaFilterMap due to transaction filter.
XtpEngine	trace_delta_watermark_removed	Removed delta watermark.
XtpEngine	trace_delta_watermark_updated	Updated delta watermark row for FileId: $4.
XtpEngine	trace_deserialize_chained_records	Info pertaining to the deserialized content of the mrtRecords chain.
XtpEngine	trace_deserialize_data_from_page_begin	Deserializing data from page $2 in file $4.
XtpEngine	trace_deserialize_source_delta_file_begin	Deserializing source delta file $4: page range [$2, $3).
XtpEngine	trace_dump_cfd_row	Dump cfd row
XtpEngine	trace_dump_mrt_row	Merge Request
XtpEngine	trace_file_close_skipped	Skipping file close for $2 as the cfp had been merged, It could not be found in the Storage array.
XtpEngine	trace_file_skipped	Skipping file $4 due to reason $5.
XtpEngine	trace_file_skipped_with_tx_range	Skipping file $5 with TX range { $3 -> $4 } due to MaxTxId == InvalidTxId.
XtpEngine	trace_first_page_header_flushed	Flushed first page header for file.
XtpEngine	trace_flush_io_operation_for_delta_file	This trace is trying to catch pages issued for flush that didn’t make it to the file, or were lacking the correct DeltaWatermark Timestamp.
XtpEngine	trace_flush_skipped_for_closed_data_file	Skipping flush for data file (‘$2’) as it is closed.
XtpEngine	trace_future_count_pages_update	Updating future count pages.
XtpEngine	trace_initial_merge	Doing initial merge for destination $3 at CheckpointTs: $2.
XtpEngine	trace_insert_DeletedObjectTable_row_begin	Inserting row to DeletedObjectTable in the context of transaction: $5.
XtpEngine	trace_intialize_worker_file_begin	Processing file close.
XtpEngine	trace_mark_data_file_closed	Marking the active data file as closed to prevent the offline worker fom flushing them.
XtpEngine	trace_merge_cancelled	Merge was cancelled for destination $2.
XtpEngine	trace_merge_complete_log_rec_ignored	MergeCompleteLogRecord ignored for destination file $3.
XtpEngine	trace_merge_complete_log_rec_processed	Successfully processed MergeCompleteLogRecord.
XtpEngine	trace_mrt_dump	Mrt dump.
XtpEngine	trace_mrt_row_inplace_update	Mrt row updated in place.
XtpEngine	trace_mrtrow_not_found	Could not find row with Destination ID: $2 in MRT table.
XtpEngine	trace_new_delta_watermark_inserted	Inserted new delta watermark row for FileId $3.
XtpEngine	trace_offline_process_stale_merge_item	Offline processing of stale merge item {$2, $3} Destination $4.
XtpEngine	trace_pending_tx	Pending Transaction
XtpEngine	trace_populate_storage_array	Populating the storage array.
XtpEngine	trace_post_writefile	This event is fired after issuing IO on the proxy.
XtpEngine	trace_process_file_close_begin	Processing file close.
XtpEngine	trace_process_merge_complete_log_record	Process merge complete log record.
XtpEngine	trace_process_merge_request	Process Merge Request
XtpEngine	trace_process_source_file	Processing source $4 file $2.
XtpEngine	trace_process_target_file	Processing target $4 file $2.
XtpEngine	trace_queue_merge_work_item	Queue work item: {$2, $3} $5 – $6 with CheckpointTs as $4.
XtpEngine	trace_recovered_existing_file	Recovered exising files files allocated during forward processing that are not already part of the CCB.
XtpEngine	trace_resyncing_state_of_file	Resyncing state of file $4 (‘$5’) post recovery: $2 pages, $3 rows.
XtpEngine	trace_serialization_object_cleaned	Cleaned serialization object.
XtpEngine	trace_serialize_abort_transaction_begin	Serializing the abort transaction filter to the delta cache corresponding to its own transaction range.
XtpEngine	trace_serialize_tx_begin	Serialize TS begin for completing the checkpoint in active state.
XtpEngine	trace_serialize_tx_end	Serialize TS end for completing the checkpoint.
XtpEngine	trace_serialized_delta_rows_to_file	Serialized delta rows to file.
XtpEngine	trace_source_file_load_stats	Load stats for source files in merge.
XtpEngine	trace_storage_refreshed_for_file	Storage refreshed for file.
XtpEngine	trace_uninitialize_file	uninitializing_file
XtpEngine	trace_wrote_delta_watermark	Wrote delta watermark for file: $3, checkpointTs: $2.
XtpEngine	waiting_for_dependenciestx_event	Raised when we have explicitly waited for dependencies to clear.
XtpEngine	xtp_before_create_log_record	Fired before submitting a request to the host to serialize a non-transactional log record.
XtpEngine	xtp_checkpoint_file_flush	Indicates the point at which a given file has been flushed to disk.
XtpEngine	xtp_checkpoint_file_flush_complete	Indicates the point at which all in-flight buffers have been flushed to disk.
XtpEngine	xtp_checkpoint_file_read	Indicates reading of a file in XTP checkpoint recovery.
XtpEngine	xtp_checkpoint_worker_active_log	Indicates that the checkpoint worker has started processing the log records in the active portion of the log.
XtpEngine	xtp_checkpoint_worker_started	Indicates that the checkpoint worker has started processing the log records.
XtpEngine	xtp_checkpoint_worker_stopped	Indicates that the checkpoint worker has started processing the log records.
XtpEngine	xtp_checkpoint_write_io	Indicates that the checkpointing subsystem has issued or completed a write IO.
XtpEngine	xtp_complete_checkpoint	Indicates the begin and end of complete checkpoint processing.
XtpEngine	xtp_create_log_record	Fires when the XTP engine creates a log record.
XtpEngine	xtp_delta_marked_dirty	Indicates that a delete/update was serialized and marked a delta file dirty
XtpEngine	xtp_merge_complete_log_record	Indicates merge complete log record is posted to the log.
XtpEngine	xtp_merge_log_complete_log_record	Indicates merge log record was interpreted by the offline worker.
XtpEngine	xtp_merge_process_log_record	Indicates merge log record was interpreted by the offline worker.
XtpEngine	xtp_merge_request_log_record	Indicates merge request log record is posted to the log.
XtpEngine	xtp_merge_request_started	Indicates merge request has been picked up by the merge worker thread.
XtpEngine	xtp_root_deserialized	Indicates that the load of a checkpoint root is complete.
XtpEngine	xtp_root_serialized	Indicates that the write of the checkpoint root is complete.
XtpRuntime	bind_md	Occurs prior to binding metadata for a memory optimized table.
XtpRuntime	bind_tables	Occurs prior to binding tables for a natively compiled procedure.
XtpRuntime	create_table	Occurs prior to creating memory optimized table.
XtpRuntime	deserialize_md	Occurs prior to deserializing metadata.
XtpRuntime	load_dll	Occurs prior to loading the generated DLL.
XtpRuntime	recover_done	Occurs at completion of checkpoint recovery of a memory optimized table.
XtpRuntime	recover_table	Occurs at start of checkpoint recovery of a memory optimized table.
XtpRuntime	serialize_md	Occurs prior to serializing metadata.
XtpRuntime	unload_dll	Occurs prior to unloading the generated DLL.

Happy tracing,

Andreas

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