SAP ABAP Table TUNEHD (Statistical data for internal SAP buffers) is used by

• Class (1)
• Function Module (19)
• Program (18)
• Table (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	/SDF/BUFFER_INFO	Buffer Info	/SDF/STPI_6X	BSTPI_STRUCTURE	ST-PI
2	Function Module	/SDF/E2E_BUFFER_INFO	ABAP buffer metrics	/SDF/STPI_6X	BSTPI_STRUCTURE	ST-PI
3	Function Module	BDL_SAPTUNE_HIST_PER_INSTANCE	complete st02 history per instance	BDL3	BASIS	SAP_BASIS
4	Function Module	SAPTUNE_BUFFER_QUALITIES VALUE(BUFFER_STATISTIC) LIKE TUNEHD	Calculate Buffer Qualities for Each SAP Buffer	STUN_MON	BASIS	SAP_BASIS
5	Function Module	SAPTUNE_BUFFER_QUALITIES	Calculate Buffer Qualities for Each SAP Buffer	STUN_MON	BASIS	SAP_BASIS
6	Function Module	SAPTUNE_BUFFER_STATISTICS VALUE(BUFFER_STATISTIC) LIKE TUNEHD	Access Function for SAP Buffer Statistics	STUN_MON	BASIS	SAP_BASIS
7	Function Module	SAPTUNE_BUFFER_STATISTICS VALUE(UNIT_KB) LIKE TUNEHD-ALLOC DEFAULT 'X'	Access Function for SAP Buffer Statistics	STUN_MON	BASIS	SAP_BASIS
8	Function Module	SAPTUNE_BUFFER_STATISTICS VALUE(BUFFERNAME) LIKE TUNEHD-NAME	Access Function for SAP Buffer Statistics	STUN_MON	BASIS	SAP_BASIS
9	Function Module	SAPTUNE_BUFFER_STATISTICS	Access Function for SAP Buffer Statistics	STUN_MON	BASIS	SAP_BASIS
10	Function Module	SAPTUNE_GET_SUMMARY_STATISTIC	Returns a Selection of Statistics About Buffers and SAP Memory	STUN_MON	BASIS	SAP_BASIS
11	Function Module	SAPTUNE_HISTORY_MAXIMUM VALUE(BUFFERNAME) LIKE TUNEHD-NAME DEFAULT SPACE	Returns maximum utilization values of buffer (for content and directory)	STUN_MON	BASIS	SAP_BASIS
12	Function Module	SAPTUNE_HISTORY_MAXIMUM_DELETE	Delete Maximum Value Entries	STUN_MON	BASIS	SAP_BASIS
13	Function Module	SAPTUNE_HISTORY_SAVE	Saves the Buffer and SAP Memory Statistics in the Database	STUN_MON	BASIS	SAP_BASIS
14	Function Module	SAPTUNE_HISTORY_SAVE BUFFERS STRUCTURE TUNEHD	Saves the Buffer and SAP Memory Statistics in the Database	STUN_MON	BASIS	SAP_BASIS
15	Function Module	SAPTUNE_HISTORY_STATISTICS	Returns the History of the SAP Buffer Statistics	STUN_MON	BASIS	SAP_BASIS
16	Function Module	SAPTUNE_HISTORY_STATISTICS BUFFER_HISTORY STRUCTURE TUNEHD	Returns the History of the SAP Buffer Statistics	STUN_MON	BASIS	SAP_BASIS
17	Function Module	SAPTUNE_NTAB_CONTENTS VALUE(NTABPART) LIKE TUNEHD-NAME	Returns the Tables Contained in the Nametab	STUN_MON	BASIS	SAP_BASIS
18	Function Module	SAPTUNE_RESET_BUFFER VALUE(BUFFERNAME) LIKE TUNEHD-NAME	Reset Internal SAP Buffers	STUN_MON	BASIS	SAP_BASIS
19	Function Module	SAPTUNE_SYSTEM_STARTUP	Returns SAP System Start Time (Approximated from the Buffer Init. Times)	STUN_MON	BASIS	SAP_BASIS