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Add aggregated NIC stats

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This change also includes miscellaneous improvements:
* UnknownProtocolRcvdPackets has been separated into two stats, to
specify at which layer the unknown protocol was found (L3 or L4)
* MalformedRcvdPacket is not aggregated across every endpoint anymore.
Doing it this way did not add useful information, and it was also error-prone
(example: ipv6 forgot to increment this aggregated stat, it only
incremented its own ipv6.MalformedPacketsReceived). It is now only incremented
 the NIC.
* Removed TestStatsString test which was outdated and had no real
utility.

PiperOrigin-RevId: 375057472
This commit is contained in:
Arthur Sfez
2021-05-21 04:27:41 -07:00
committed by gVisor bot
parent 9164154dea
commit 821cec3f1f
16 changed files with 306 additions and 131 deletions
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pkg/sentry/socket/netstack/netstack.go
+21 -3
View File
@@ -77,9 +77,27 @@ func mustCreateGauge(name, description string) *tcpip.StatCounter {
// Metrics contains metrics exported by netstack.
var Metrics = tcpip.Stats{
UnknownProtocolRcvdPackets: mustCreateMetric("/netstack/unknown_protocol_received_packets", "Number of packets received that were for an unknown or unsupported protocol."),
MalformedRcvdPackets: mustCreateMetric("/netstack/malformed_received_packets", "Number of packets received that were deemed malformed."),
DroppedPackets: mustCreateMetric("/netstack/dropped_packets", "Number of packets dropped due to full queues."),
DroppedPackets: mustCreateMetric("/netstack/dropped_packets", "Number of packets dropped at the transport layer."),
NICs: tcpip.NICStats{
UnknownL3ProtocolRcvdPackets: mustCreateMetric("/netstack/nic/unknown_l3_protocol_received_packets", "Number of packets received that were for an unknown or unsupported L3 protocol."),
UnknownL4ProtocolRcvdPackets: mustCreateMetric("/netstack/nic/unknown_l4_protocol_received_packets", "Number of packets received that were for an unknown or unsupported L4 protocol."),
MalformedL4RcvdPackets: mustCreateMetric("/netstack/nic/malformed_l4_received_packets", "Number of packets received that failed L4 header parsing."),
Tx: tcpip.NICPacketStats{
Packets: mustCreateMetric("/netstack/nic/tx/packets", "Number of packets transmitted."),
Bytes: mustCreateMetric("/netstack/nic/tx/bytes", "Number of bytes transmitted."),
},
Rx: tcpip.NICPacketStats{
Packets: mustCreateMetric("/netstack/nic/rx/packets", "Number of packets received."),
Bytes: mustCreateMetric("/netstack/nic/rx/bytes", "Number of bytes received."),
},
DisabledRx: tcpip.NICPacketStats{
Packets: mustCreateMetric("/netstack/nic/disabled_rx/packets", "Number of packets received on disabled NICs."),
Bytes: mustCreateMetric("/netstack/nic/disabled_rx/bytes", "Number of bytes received on disabled NICs."),
},
Neighbor: tcpip.NICNeighborStats{
UnreachableEntryLookups: mustCreateMetric("/netstack/nic/neighbor/unreachable_entry_loopups", "Number of lookups performed on a neighbor entry in Unreachable state."),
},
},
ICMP: tcpip.ICMPStats{
V4: tcpip.ICMPv4Stats{
PacketsSent: tcpip.ICMPv4SentPacketStats{