This is useful when dealing with gather performance stats from ESXi via esxtop. Refer to:http://mbrownnyc.wordpress.com/2013/08/23/minimizing-esxtop-output-for-targetted-stats-captures/, https://communities.vmware.com/docs/DOC-9279 (see section 7), https://communities.vmware.com/docs/DOC-5600, https://communities.vmware.com/docs/DOC-5230

esxtop_config_to_fields.txt

#refer to:
## https://communities.vmware.com/docs/DOC-9279 (see section 7)
## https://communities.vmware.com/docs/DOC-5600
## https://communities.vmware.com/docs/DOC-5230

[category letter]:[category]
  [letter]: [stat set name] = [description] [(set of real stat fields, if different than stat set name)]
c: cpu
  A:  ID = Id
  B:  GID = Group Id
  C:  LWID = Leader World Id (World Group Id)
  D:  NAME = Name
  E:  NWLD = Num Members
  F:  %STATE TIMES = CPU State Times (%USED    %RUN    %SYS   %WAIT %VMWAIT    %RDY   %IDLE  %OVRLP   %CSTP  %MLMTD  %SWPWT)
  G:  EVENT COUNTS/s = CPU Event Counts (SWTCH/s   MIG/s  QEXP/s  WAKE/s)
  H:  CPU ALLOC = CPU Allocations (AMIN         AMAX  ASHRS        AMLMT   AUNITS)
  I:  SUMMARY STATS = CPU Summary Stats (%LAT_C %LAT_M %DMD  EMIN TIMER/s                AFFINITY_BIT_MASK CPU HTSHARING HTQ)
  J:  POWER STATS = CPU Power Stats (POWER)

m:memory
  A:  ID = Id
  B:  GID = Group Id
  C:  LWID = Leader World Id (World Group Id)
  D:  NAME = Name
  E:  NWLD = Num Members
  F:  MEM ALLOC = MEM Allocations (AMIN         AMAX  ASHRS        AMLMT   AUNITS)
  G:  NUMA STATS = Numa Statistics (NHN NMIG    NRMEM    NLMEM N%L)
  H:  SIZE = MEM Size (MB) (MEMSZ    GRANT    SZTGT     TCHD   TCHD_W)
  I:  ACTV = MEM Active (MB) (%ACTV %ACTVS %ACTVF %ACTVN)
  J:  MCTL = MEM Ctl (MB) (MCTL?   MCTLSZ  MCTLTGT  MCTLMAX)
  K:  SWAP STATS = Swap Statistics (MB) (SWCUR    SWTGT   SWR/s   SWW/s)
  L:  LLSWAP STATS = Llswap Statistics (MB) (LLSWR/s  LLSWW/s)
  M:  CPT = MEM Checkpoint (MB) (CPTRD   CPTTGT)
  N:  COW = MEM Cow (MB) (ZERO     SHRD  SHRDSVD     COWH)
  O:  OVHD = MEM Overhead (MB) (OVHDUW     OVHD  OVHDMAX)
  P:  CMT = MEM Committed (MB) (MCMTTGT   CMTTGT  CMTCHRG CMTPPS)
  Q:  ZIP = MEM Compression (MB) (CACHESZ CACHEUSD   ZIP/s UNZIP/s)

d:disk adapter
  A:  ADAPTR = Adapter Name
  B:  PATH = Path Name
  C:  NPATHS = Num Paths
  D:  QSTATS = Queue Stats
  E:  IOSTATS = I/O Stats (CMDS/s  READS/s WRITES/s MBREAD/s MBWRTN/s)
  F:  RESVSTATS = Reserve Stats (RESV/s   CONS/s)
  G:  LATSTATS/cmd = Overall Latency Stats (ms) (DAVG/cmd KAVG/cmd GAVG/cmd QAVG/cmd)
  H:  LATSTATS/rd = Read Latency Stats (ms) (DAVG/rd KAVG/rd GAVG/rd QAVG/rd)
  I:  LATSTATS/wr = Write Latency Stats (ms) (DAVG/wr KAVG/wr GAVG/wr QAVG/wr)
  J:  ERRSTATS/s = Error Stats (FCMDS/s  FREAD/s FWRITE/s  FMBRD/s  FMBWR/s  FRESV/s  ABRTS/s RESETS/s)
  K:  PAESTATS/s = PAE Stats (PAECMD/s  PAECP/s)
  L:  SPLTSTATS/s = SPLIT Stats (SPLTCMD/s SPLTCP/s)

u:disk device
  A:  DEVICE = Device Name
  B:  ID = Path/World/Partition Id (PATH/WORLD/PARTITION)
  C:  NUM = Num of Objects (NPH NWD NPN)
  D:  SHARES = Shares
  E:  BLKSZ = Block Size (bytes) (BLKSZ  NUMBLKS)
  F:  QSTATS = Queue Stats (DQLEN WQLEN ACTV QUED %USD  LOAD)
  G:  IOSTATS = I/O Stats (CMDS/s  READS/s WRITES/s MBREAD/s MBWRTN/s)
  H:  RESVSTATS = Reserve Stats (RESV/s   CONS/s)
  I:  LATSTATS/cmd = Overall Latency Stats (ms) (DAVG/cmd KAVG/cmd GAVG/cmd QAVG/cmd)
  J:  LATSTATS/rd = Read Latency Stats (ms) (DAVG/rd KAVG/rd GAVG/rd QAVG/rd)
  K:  LATSTATS/wr = Write Latency Stats (ms) (DAVG/wr KAVG/wr GAVG/wr QAVG/wr)
  L:  ERRSTATS/s = Error Stats (FCMDS/s  FREAD/s FWRITE/s  FMBRD/s  FMBWR/s  FRESV/s  ABRTS/s RESETS/s)
  M:  PAESTATS/s = PAE Stats (PAECMD/s  PAECP/s)
  N:  SPLTSTATS/s = SPLIT Stats (SPLTCMD/s SPLTCP/s)
  O:  VAAISTATS= VAAI Stats (CLONE_RD CLONE_WR  CLONE_F MBC_RD/s MBC_WR/s      ATS ATSF     ZERO   ZERO_F MBZERO/s   DELETE DELETE_F  MBDEL/s)
  P:  VAAILATSTATS/cmd = VAAI Latency Stats (ms) (CAVG/suc   CAVG/f AAVG/suc   AAVG/f  AVG/suc   ZAVG/f)

v:disk VM
  A:  ID = Vscsi Id
  B:  GID = Grp Id
  C:  VMNAME = VM Name
  D:  VDEVNAME = Virtual Device Name
  E:  NVDISK = Num of Virtual Disks
  F:  IOSTATS = I/O Stats (CMDS/s  READS/s WRITES/s MBREAD/s MBWRTN/s)
  G:  LATSTATS/rd = Read Latency Stats (ms) (LAT/rd)
  H:  LATSTATS/wr = Write Latency Stats (ms) (LAT/wr)

n:network
  A:  PORT-ID = Port Id
  B:  UPLINK = Uplink(Y/N)
  C:  PNIC = Physical Nic Properties (UP SPEED FDUPLX)
  D:  USED-BY = Used By Name
  E:  TEAM-PNIC = Team Uplink Physcial NIC Name
  F:  DNAME = Device Name
  G:  PKTTX/s = Packets Tx/s
  H:  MbTX/s = MegaBits Tx/s
  I:  PKTRX/s = Packets Rx/s
  J:  MbRX/s = MegaBits Rx/s
  K:  DRPTX/s = %Packets Dropped (Tx) (%DRPTX)
  L:  DRPRX/s = %Packets Dropped (Rx) (%DRPRX)
  M:  ACTN/s = Actions/s
  N:  MULTICAST/s = Multicast Packets/s (PKTTXMUL/s PKTRXMUL/s)
  O:  BROADCAST/s = Broadcast Packets/s (PKTTXBRD/s PKTRXBRD/s)

i:interrupt
  A:  VECTOR = Interrupt Vector Id
  B:  COUNT/sec = Total Number of Interupts Per Second (COUNT/s)
  C:  TIME/int = Average Interrupt Processing Time (usec)
  D:  COUNT_x/sec = Number of Interupts Per Second On CPU x (COUNT_N, where N is the CPU core id)
  E:  TIME_x/int = Average Interrupt Processing Time (usec) on CPU x (TIME_N, , where N is the CPU core id)
  F:  DEVICES = Devices Using the Interrupt Vector

p:power mgmt
  A:  PCPU = PCPU Id (CPU)
  B:  CPU Usage = CPU Usage time: %USED and %UTIL (%USED %UTIL)
  C:  %CState = Percentage of time spent in a C-State (%CN, where N is the CPU core id)
  D:  %PState = Percentage of time spent in a P-State (%PN, where N is the CPU core id)
  E:  %TState = Percentage of time spent in a T-State (%TN, where N is the CPU core id)