diff options
Diffstat (limited to 'pkg/sentry')
| -rw-r--r-- | pkg/sentry/socket/epsocket/BUILD | 1 | ||||
| -rw-r--r-- | pkg/sentry/socket/epsocket/epsocket.go | 38 |
2 files changed, 39 insertions, 0 deletions
diff --git a/pkg/sentry/socket/epsocket/BUILD b/pkg/sentry/socket/epsocket/BUILD index 49af8db85..7f9ea9edc 100644 --- a/pkg/sentry/socket/epsocket/BUILD +++ b/pkg/sentry/socket/epsocket/BUILD @@ -19,6 +19,7 @@ go_library( "//pkg/abi/linux", "//pkg/binary", "//pkg/log", + "//pkg/metric", "//pkg/sentry/arch", "//pkg/sentry/context", "//pkg/sentry/device", diff --git a/pkg/sentry/socket/epsocket/epsocket.go b/pkg/sentry/socket/epsocket/epsocket.go index 550569b4c..c5da18b0e 100644 --- a/pkg/sentry/socket/epsocket/epsocket.go +++ b/pkg/sentry/socket/epsocket/epsocket.go @@ -33,6 +33,7 @@ import ( "gvisor.googlesource.com/gvisor/pkg/abi/linux" "gvisor.googlesource.com/gvisor/pkg/binary" + "gvisor.googlesource.com/gvisor/pkg/metric" "gvisor.googlesource.com/gvisor/pkg/sentry/arch" "gvisor.googlesource.com/gvisor/pkg/sentry/context" "gvisor.googlesource.com/gvisor/pkg/sentry/fs" @@ -53,6 +54,43 @@ import ( "gvisor.googlesource.com/gvisor/pkg/waiter" ) +func mustCreateMetric(name, description string) *tcpip.StatCounter { + var cm tcpip.StatCounter + metric.MustRegisterCustomUint64Metric(name, false /* sync */, description, cm.Value) + return &cm +} + +// Metrics contains metrics exported by netstack. +var Metrics = tcpip.Stats{ + UnknownProtocolRcvdPackets: mustCreateMetric("/netstack/unknown_protocol_received_packets", "Number of packets received by netstack that were for an unknown or unsupported protocol."), + MalformedRcvdPackets: mustCreateMetric("/netstack/malformed_received_packets", "Number of packets received by netstack that were deemed malformed."), + DroppedPackets: mustCreateMetric("/netstack/dropped_packets", "Number of packets dropped by netstack due to full queues."), + IP: tcpip.IPStats{ + PacketsReceived: mustCreateMetric("/netstack/ip/packets_received", "Total number of IP packets received from the link layer in nic.DeliverNetworkPacket."), + InvalidAddressesReceived: mustCreateMetric("/netstack/ip/invalid_addresses_received", "Total number of IP packets received with an unknown or invalid destination address."), + PacketsDelivered: mustCreateMetric("/netstack/ip/packets_delivered", "Total number of incoming IP packets that are successfully delivered to the transport layer via HandlePacket."), + PacketsSent: mustCreateMetric("/netstack/ip/packets_sent", "Total number of IP packets sent via WritePacket."), + OutgoingPacketErrors: mustCreateMetric("/netstack/ip/outgoing_packet_errors", "Total number of IP packets which failed to write to a link-layer endpoint."), + }, + TCP: tcpip.TCPStats{ + ActiveConnectionOpenings: mustCreateMetric("/netstack/tcp/active_connection_openings", "Number of connections opened successfully via Connect."), + PassiveConnectionOpenings: mustCreateMetric("/netstack/tcp/passive_connection_openings", "Number of connections opened successfully via Listen."), + FailedConnectionAttempts: mustCreateMetric("/netstack/tcp/failed_connection_attempts", "Number of calls to Connect or Listen (active and passive openings, respectively) that end in an error."), + ValidSegmentsReceived: mustCreateMetric("/netstack/tcp/valid_segments_received", "Number of TCP segments received that the transport layer successfully parsed."), + InvalidSegmentsReceived: mustCreateMetric("/netstack/tcp/invalid_segments_received", "Number of TCP segments received that the transport layer could not parse."), + SegmentsSent: mustCreateMetric("/netstack/tcp/segments_sent", "Number of TCP segments sent."), + ResetsSent: mustCreateMetric("/netstack/tcp/resets_sent", "Number of TCP resets sent."), + ResetsReceived: mustCreateMetric("/netstack/tcp/resets_received", "Number of TCP resets received."), + }, + UDP: tcpip.UDPStats{ + PacketsReceived: mustCreateMetric("/netstack/udp/packets_received", "Number of UDP datagrams received via HandlePacket."), + UnknownPortErrors: mustCreateMetric("/netstack/udp/unknown_port_errors", "Number of incoming UDP datagrams dropped because they did not have a known destination port."), + ReceiveBufferErrors: mustCreateMetric("/netstack/udp/receive_buffer_errors", "Number of incoming UDP datagrams dropped due to the receiving buffer being in an invalid state."), + MalformedPacketsReceived: mustCreateMetric("/netstack/udp/malformed_packets_received", "Number of incoming UDP datagrams dropped due to the UDP header being in a malformed state."), + PacketsSent: mustCreateMetric("/netstack/udp/packets_sent", "Number of UDP datagrams sent via sendUDP."), + }, +} + const sizeOfInt32 int = 4 var errStackType = syserr.New("expected but did not receive an epsocket.Stack", linux.EINVAL) |