metrics

Available fields / metrics

Field	Description
SRTT	RTT measurement: smoothed round trip time << 3 in usecs
MDev	RTT measurement: medium deviation
MDevMax	RTT measurement: maximal mdev for the last rtt period
RTTVar	RTT measurement: smoothed mdev_max
RcvRTT	Receiver side RTT estimation
RTT	Round trip time (SRTT / 8)
PacketsOut	Packets which are in flight
RetransOut	Retransmitted packets out
MaxPacketsOut	Max packets_out in last window
MaxPacketsSeq	Right edge of max_packets_out flight
TotalRetrans	Total retransmits for entire connection
AdvMSS	Advertised MSS
SAddr	Source IP address
DAddr	Destination IP address
DPort	Remote port
LPort	Local port
BytesReceived	RFC4898 tcpEStatsAppHCThruOctetsReceived
BytesSent	RFC4898 tcpEStatsPerfHCDataOctetsOut
BytesAcked	RFC4898 tcpEStatsAppHCThruOctetsAcked
NumSAcks	Number of SACK blocks
UserMSS	MSS requested by user in ioctl
RACKRTT	Recently (s)acked - Associated RTT
MSSClamp	Maximal mss, negotiated at connection setup
Task	Process name
PID	Process ID
SegsIn	Total number of segments in
SegsOut	Total number of segments sent
DsackDups	Total number of DSACK blocks received
RateDelivered	Saved rate sample: packets delivered
RateInterval	Saved rate sample: time elapsed
SndSSThresh	Slow start size threshold
GSOSegs	Max number of segs per GSO packet
DataSegsIn	Total number of data segments in
MaxWindow	Maximal window ever seen from peer
SndWnd	The window we expect to receive
WindowClamp	Maximal window to advertise
RcvSSThresh	Current window clamp
ECNFlags	ECN status bits
SndCwnd	Sending congestion window
PrrOut	Total number of pkts sent during Recovery
Delivered	Total data packets delivered incl. rexmits
DeliveredCe
Lost	Total data packets lost incl. rexmits
LostOut	Lost packets
PriorSSThresh	ssthresh saved at recovery start
DataSegsOut	Total number of data segments sent RFC4898
RcvSpace	Default socket receive buffer size, in bytes
SAcked	Selective Acknowledgments
RTO	Retransmission timeouts
UnAcked