"Memory Pool Statistics Dump" (SVC/MEM)

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

Dump of memory pool statistics.

Layout:  (hide detail; help)

Memory Pool Statistics Dump (LMEMPOOLDATA) Telemetry Packet Format
0x	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
000	Version=0			T=0	SH	APID=0x311
002	SF		Sequence Count
004	Packet Length=33
006	Timestamp
00E	TIDBF idents
010	TPOOLID poolID
012	TPAD16 pad
014	TPOOLFREEBYTES freeBytes
018	TPOOLFREEBLOCKS freeBlocks
01C	TPOOLMAXBLKBYTES maxBlockBytes
020	TPOOLALLOCBYTES allocBytes
024	TPOOLALLOCBLOCKS allocBlocks

LMEMPOOLDATA (pkt)
|  TIDBF idents (bf)
|  |  TLATUNIT latUnit (0-3)
|  |  TTRANID tranID (4-15)
|  TPOOLID poolID (fld)
|  TPAD16 pad (fld)
|  TPOOLFREEBYTES freeBytes (fld)
|  TPOOLFREEBLOCKS freeBlocks (fld)
|  TPOOLMAXBLKBYTES maxBlockBytes (fld)
|  TPOOLALLOCBYTES allocBytes (fld)
|  TPOOLALLOCBLOCKS allocBlocks (fld)

typedef struct _MEM_LMEMPOOLDATA_Tlm {

    /* Telemetry header */
    char                 hdr[14];

    /* LAT Unit and Transaction ID Bitfield */
    MEM_TIDBF            idents;

    /* Memory Pool ID */
    unsigned short       poolID;

    /* 16-Bit Padding */
    unsigned short       pad;

    /* Memory Pool Free Bytes */
    unsigned int         freeBytes;

    /* Memory Pool Free Blocks */
    unsigned int         freeBlocks;

    /* Memory Pool Maximum Block Size */
    unsigned int         maxBlockBytes;

    /* Memory Pool Allocated Bytes */
    unsigned int         allocBytes;

    /* Memory Pool Allocated Blocks */
    unsigned int         allocBlocks;

} MEM_LMEMPOOLDATA_Tlm;

Fields:

TIDBF (index)

Attribute(s):  

Brief:  "LAT Unit and Transaction ID Bitfield"

Instance(s):  idents

Bitfield containing the ID of the LAT unit that sent the telemetry and the transaction identifier of the telecommand that requested the telemetry.

TPAD16 (index)

Attribute(s):  

Brief:  "16-Bit Padding"

Instance(s):  pad

Explicit padding of 16 bits.

TPOOLALLOCBLOCKS (index)

Attribute(s):  

Brief:  "Memory Pool Allocated Blocks"

Instance(s):  allocBlocks

Number of blocks allocated within the memory pool.

TPOOLALLOCBYTES (index)

Attribute(s):  

Brief:  "Memory Pool Allocated Bytes"

Instance(s):  allocBytes

Number of bytes allocated within the memory pool.

TPOOLFREEBLOCKS (index)

Attribute(s):  

Brief:  "Memory Pool Free Blocks"

Instance(s):  freeBlocks

Number of free blocks within the memory pool.

TPOOLFREEBYTES (index)

Attribute(s):  

Brief:  "Memory Pool Free Bytes"

Instance(s):  freeBytes

Number of free bytes within the memory pool.

TPOOLID (index)

Attribute(s):  

Brief:  "Memory Pool ID"

Instance(s):  poolID

Identifier for the memory pool for which the statistics were dumped.

TPOOLMAXBLKBYTES (index)

Attribute(s):  

Brief:  "Memory Pool Maximum Block Size"

Instance(s):  maxBlockBytes

Size, in bytes, of the largest free block within the memory pool.