diff options
Diffstat (limited to 'vendor/github.com/prometheus/procfs/mountstats.go')
| -rw-r--r-- | vendor/github.com/prometheus/procfs/mountstats.go | 83 |
1 files changed, 76 insertions, 7 deletions
diff --git a/vendor/github.com/prometheus/procfs/mountstats.go b/vendor/github.com/prometheus/procfs/mountstats.go index 852c8c4a0..9d8af6db7 100644 --- a/vendor/github.com/prometheus/procfs/mountstats.go +++ b/vendor/github.com/prometheus/procfs/mountstats.go @@ -44,6 +44,14 @@ const ( fieldTransport11TCPLen = 13 fieldTransport11UDPLen = 10 + + // kernel version >= 4.14 MaxLen + // See: https://elixir.bootlin.com/linux/v6.4.8/source/net/sunrpc/xprtrdma/xprt_rdma.h#L393 + fieldTransport11RDMAMaxLen = 28 + + // kernel version <= 4.2 MinLen + // See: https://elixir.bootlin.com/linux/v4.2.8/source/net/sunrpc/xprtrdma/xprt_rdma.h#L331 + fieldTransport11RDMAMinLen = 20 ) // A Mount is a device mount parsed from /proc/[pid]/mountstats. @@ -233,6 +241,33 @@ type NFSTransportStats struct { // A running counter, incremented on each request as the current size of the // pending queue. CumulativePendingQueue uint64 + + // Stats below only available with stat version 1.1. + // Transport over RDMA + + // accessed when sending a call + ReadChunkCount uint64 + WriteChunkCount uint64 + ReplyChunkCount uint64 + TotalRdmaRequest uint64 + + // rarely accessed error counters + PullupCopyCount uint64 + HardwayRegisterCount uint64 + FailedMarshalCount uint64 + BadReplyCount uint64 + MrsRecovered uint64 + MrsOrphaned uint64 + MrsAllocated uint64 + EmptySendctxQ uint64 + + // accessed when receiving a reply + TotalRdmaReply uint64 + FixupCopyCount uint64 + ReplyWaitsForSend uint64 + LocalInvNeeded uint64 + NomsgCallCount uint64 + BcallCount uint64 } // parseMountStats parses a /proc/[pid]/mountstats file and returns a slice @@ -587,14 +622,17 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats expectedLength = fieldTransport11TCPLen } else if protocol == "udp" { expectedLength = fieldTransport11UDPLen + } else if protocol == "rdma" { + expectedLength = fieldTransport11RDMAMinLen } else { return nil, fmt.Errorf("%w: invalid NFS protocol \"%s\" in stats 1.1 statement: %v", ErrFileParse, protocol, ss) } - if len(ss) != expectedLength { - return nil, fmt.Errorf("%w: invalid NFS transport stats 1.1 statement: %v", ErrFileParse, ss) + if (len(ss) != expectedLength && (protocol == "tcp" || protocol == "udp")) || + (protocol == "rdma" && len(ss) < expectedLength) { + return nil, fmt.Errorf("%w: invalid NFS transport stats 1.1 statement: %v, protocol: %v", ErrFileParse, ss, protocol) } default: - return nil, fmt.Errorf("%s: Unrecognized NFS transport stats version: %q", ErrFileParse, statVersion) + return nil, fmt.Errorf("%s: Unrecognized NFS transport stats version: %q, protocol: %v", ErrFileParse, statVersion, protocol) } // Allocate enough for v1.1 stats since zero value for v1.1 stats will be okay @@ -604,7 +642,9 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats // Note: slice length must be set to length of v1.1 stats to avoid a panic when // only v1.0 stats are present. // See: https://github.com/prometheus/node_exporter/issues/571. - ns := make([]uint64, fieldTransport11TCPLen) + // + // Note: NFS Over RDMA slice length is fieldTransport11RDMAMaxLen + ns := make([]uint64, fieldTransport11RDMAMaxLen+3) for i, s := range ss { n, err := strconv.ParseUint(s, 10, 64) if err != nil { @@ -622,9 +662,14 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats // we set them to 0 here. if protocol == "udp" { ns = append(ns[:2], append(make([]uint64, 3), ns[2:]...)...) + } else if protocol == "tcp" { + ns = append(ns[:fieldTransport11TCPLen], make([]uint64, fieldTransport11RDMAMaxLen-fieldTransport11TCPLen+3)...) + } else if protocol == "rdma" { + ns = append(ns[:fieldTransport10TCPLen], append(make([]uint64, 3), ns[fieldTransport10TCPLen:]...)...) } return &NFSTransportStats{ + // NFS xprt over tcp or udp Protocol: protocol, Port: ns[0], Bind: ns[1], @@ -636,8 +681,32 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats BadTransactionIDs: ns[7], CumulativeActiveRequests: ns[8], CumulativeBacklog: ns[9], - MaximumRPCSlotsUsed: ns[10], - CumulativeSendingQueue: ns[11], - CumulativePendingQueue: ns[12], + + // NFS xprt over tcp or udp + // And statVersion 1.1 + MaximumRPCSlotsUsed: ns[10], + CumulativeSendingQueue: ns[11], + CumulativePendingQueue: ns[12], + + // NFS xprt over rdma + // And stat Version 1.1 + ReadChunkCount: ns[13], + WriteChunkCount: ns[14], + ReplyChunkCount: ns[15], + TotalRdmaRequest: ns[16], + PullupCopyCount: ns[17], + HardwayRegisterCount: ns[18], + FailedMarshalCount: ns[19], + BadReplyCount: ns[20], + MrsRecovered: ns[21], + MrsOrphaned: ns[22], + MrsAllocated: ns[23], + EmptySendctxQ: ns[24], + TotalRdmaReply: ns[25], + FixupCopyCount: ns[26], + ReplyWaitsForSend: ns[27], + LocalInvNeeded: ns[28], + NomsgCallCount: ns[29], + BcallCount: ns[30], }, nil } |