kprobemetrics

Documentation

Index

• Variables
• func GetMergeErrors(currFn, prevFn string, currType, prevType MergeErrorType) prometheus.Counter
• func InitMetricsForDocs()
• func MergeErrorsInc(currFn, prevFn string, currType, prevType MergeErrorType)
• func MergeOkTotalInc()
• func MergePushedInc()
• func NewBPFCollector() prometheus.Collector
• func RegisterMetrics(group metrics.Group)
• type MergeErrorType
  • func (t MergeErrorType) String() string

Variables

var (
	MergeErrors = prometheus.NewCounterVec(prometheus.CounterOpts{
		Namespace:   consts.MetricsNamespace,
		Name:        "generic_kprobe_merge_errors_total",
		Help:        "The total number of failed attempts to merge a kprobe and kretprobe event.",
		ConstLabels: nil,
	}, []string{"curr_fn", "curr_type", "prev_fn", "prev_type"})
	MergeOkTotal = prometheus.NewCounter(prometheus.CounterOpts{
		Namespace:   consts.MetricsNamespace,
		Name:        "generic_kprobe_merge_ok_total",
		Help:        "The total number of successful attempts to merge a kprobe and kretprobe event.",
		ConstLabels: nil,
	})
	MergePushed = prometheus.NewCounter(prometheus.CounterOpts{
		Namespace:   consts.MetricsNamespace,
		Name:        "generic_kprobe_merge_pushed_total",
		Help:        "The total number of pushed events for later merge.",
		ConstLabels: nil,
	})
)

var (
	MissedLink = metrics.MustNewCustomCounter(metrics.NewOpts(
		consts.MetricsNamespace, "", "missed_link_probes_total",
		"The total number of Tetragon probe missed by link.",
		nil, nil, []metrics.UnconstrainedLabel{
			metrics.UnconstrainedLabel{Name: "policy", ExampleValue: "monitor_panic"},
			metrics.UnconstrainedLabel{Name: "attach", ExampleValue: "sys_panic"},
		},
	))

	MissedProg = metrics.MustNewCustomCounter(metrics.NewOpts(
		consts.MetricsNamespace, "", "missed_prog_probes_total",
		"The total number of Tetragon probe missed by program.",
		nil, nil, []metrics.UnconstrainedLabel{
			metrics.UnconstrainedLabel{Name: "policy", ExampleValue: "monitor_panic"},
			metrics.UnconstrainedLabel{Name: "attach", ExampleValue: "sys_panic"},
		},
	))
)

Functions

func GetMergeErrors

func GetMergeErrors(currFn, prevFn string, currType, prevType MergeErrorType) prometheus.Counter

Get a new handle on the mergeErrors metric for a current and previous function name and probe type

func InitMetricsForDocs

func InitMetricsForDocs()

func MergeErrorsInc

func MergeErrorsInc(currFn, prevFn string, currType, prevType MergeErrorType)

Increment the mergeErrors metric for a current and previous function name and probe type

func MergeOkTotalInc

func MergeOkTotalInc()

func MergePushedInc

func MergePushedInc()

func NewBPFCollector

func NewBPFCollector() prometheus.Collector

func RegisterMetrics

func RegisterMetrics(group metrics.Group)

Types

type MergeErrorType

type MergeErrorType int

const (
	MergeErrorTypeEnter MergeErrorType = iota
	MergeErrorTypeExit
)

func (MergeErrorType) String

func (t MergeErrorType) String() string