diff options
| author | Mithun Iyer <iyerm@google.com> | 2019-12-06 17:15:52 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-12-06 17:17:33 -0800 |
| commit | b1d44be7ad893bd6bdfd164a54a7142f4462414b (patch) | |
| tree | 563179c969b00754d18c792a874d070e5afdeb19 /pkg/sentry | |
| parent | 371e210b83c244d8828ad2fa1b3d7cef15fbf463 (diff) | |
Add TCP stats for connection close and keep-alive timeouts.
Fix bugs in updates to TCP CurrentEstablished stat.
Fixes #1277
PiperOrigin-RevId: 284292459
Diffstat (limited to 'pkg/sentry')
| -rw-r--r-- | pkg/sentry/socket/netstack/netstack.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go index d92399efd..fe5a46aa3 100644 --- a/pkg/sentry/socket/netstack/netstack.go +++ b/pkg/sentry/socket/netstack/netstack.go @@ -151,6 +151,8 @@ var Metrics = tcpip.Stats{ PassiveConnectionOpenings: mustCreateMetric("/netstack/tcp/passive_connection_openings", "Number of connections opened successfully via Listen."), CurrentEstablished: mustCreateMetric("/netstack/tcp/current_established", "Number of connections in either ESTABLISHED or CLOSE-WAIT state now."), EstablishedResets: mustCreateMetric("/netstack/tcp/established_resets", "Number of times TCP connections have made a direct transition to the CLOSED state from either the ESTABLISHED state or the CLOSE-WAIT state"), + EstablishedClosed: mustCreateMetric("/netstack/tcp/established_closed", "number of times established TCP connections made a transition to CLOSED state."), + EstablishedTimedout: mustCreateMetric("/netstack/tcp/established_timedout", "Number of times an established connection was reset because of keep-alive time out."), ListenOverflowSynDrop: mustCreateMetric("/netstack/tcp/listen_overflow_syn_drop", "Number of times the listen queue overflowed and a SYN was dropped."), ListenOverflowAckDrop: mustCreateMetric("/netstack/tcp/listen_overflow_ack_drop", "Number of times the listen queue overflowed and the final ACK in the handshake was dropped."), ListenOverflowSynCookieSent: mustCreateMetric("/netstack/tcp/listen_overflow_syn_cookie_sent", "Number of times a SYN cookie was sent."), |