funcgraph

package

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Versions in this module

v0

v0.1.7

Mar 23, 2025

Changes in this version

+ var ErrNotFoundKsym = errors.New("no found sym")

+ func AllKSyms() iter.Seq[Symbol]

+ func FlushBTFSpec()

+ func LoadBTFSpec(mod string) (*btf.Spec, error)

type Option

+ MaxRingSize uint32

+ MaxTraceSize uint32

type Symbol

+ func SymbolByAddr(addr uint64) (Symbol, error)

v0.1.6

Feb 20, 2025

v0.1.5

Feb 10, 2025

v0.1.3

Jan 19, 2025

Changes in this version

type Field

+ Index Value

v0.1.2

Jan 12, 2025

v0.1.1

Jan 5, 2025

Changes in this version

type TraceData

+ TargetStr string

v0.1.0

Sep 18, 2024

Changes in this version

+ const MaxLenPerTrace

+ const MaxParaLen

+ const MaxRegParas — darwin/amd64, linux/amd64, windows/amd64

+ const MaxTraceCount

+ const MaxTraceDataLen

+ var RegToStr = []string — darwin/amd64, linux/amd64, windows/amd64

+ var RetReg = "rax" — darwin/amd64, linux/amd64, windows/amd64

+ type Arg struct

+ IdxOff uint32

+ Kind ArgKind

+ Name string

+ Size int

+ Typ btf.Type

+ type ArgKind = funcgraphArgKind

+ const ADDR

+ const REG

+ const REG_PTR

+ const RET_REG

+ const RET_STACK

+ const STACK

+ const STACK_PTR

type DataExpr

+ ShowString bool

+ func (d DataExpr) String() string

type FuncEvent

+ Data *[MaxTraceDataLen]uint8

+ DataLen uint16

+ DataOff [MaxTraceCount]int16

type FuncInfo

+ Btfinfo *btf.Func

+ IsEntry bool

+ func (f *FuncInfo) GenTraceData(dataExpr DataExpr) error

+ func (f *FuncInfo) InitArgsRet()

+ func (f *FuncInfo) ShowPara(e *FuncEvent, opt *dumpOption, dst *bytes.Buffer)

+ func (f *FuncInfo) ShowRet(e *FuncEvent, opt *dumpOption, dst *bytes.Buffer)

+ func (f *FuncInfo) ShowRetTrace(e *FuncEvent, opt *dumpOption, dst *bytes.Buffer)

+ func (f *FuncInfo) ShowTrace(e *FuncEvent, opt *dumpOption, dst *bytes.Buffer)

+ func (f *FuncInfo) String() string

type TraceData

+ IdxOff uint32

v0.0.8

Aug 24, 2024

Changes in this version

type Value

+ func (v *Value) Capture(values []string) error

+ func (v Value) ShowSignNumber() (int64, error)

+ func (v Value) ShowString() (string, error)

+ func (v Value) ShowUnsignNumber() (uint64, error)

v0.0.7

Jul 7, 2024

Changes in this version

+ type CastType struct

+ Moudle string

+ Name string

type Option

+ Depth uint64

v0.0.6

Jun 11, 2024

Changes in this version

+ func ByteSliceToString(s []byte) string

+ func FuncsFromFile(pattern string) map[Symbol]struct

+ func LoadbtfSpec(mod string) (*btf.Spec, error)

+ func NewDumpOption() (*dumpOption, error)

+ func ShowBtfFunc(fn *btf.Func) (s string)

+ type Addr struct

+ Base uint64

+ Imm uint64

+ Index uint64

+ Scale uint64

+ type Compare struct

+ Operator string

+ Threshold Value

+ type DataExpr struct

+ CompareInfo Compare

+ Dereference bool

+ Fields []Field

+ First Primary

+ SohwString bool

+ Typ string

+ type Event uint8

+ const CallEvent

+ const EntryEvent

+ const RetEvent

+ const StartEvent

+ type EventStat uint8

+ const CallDrop

+ const CallSucess

+ const EntryDrop

+ const EntrySucess

+ const RetDrop

+ const RetSucess

+ const StartDrop

+ const StartSucess

+ type Field struct

+ Name string

+ type FuncEvent struct

+ Buf *[5120]uint8

+ CpuId uint32

+ Depth uint64

+ Duration uint64

+ Id uint32

+ Ip uint64

+ Para [5]uint64

+ Ret uint64

+ SeqId uint64

+ Task uint64

+ Time uint64

+ Type uint8

+ type FuncEvents []FuncEvent

+ func (es *FuncEvents) Add(e FuncEvent)

+ func (es *FuncEvents) Reset()

+ type FuncExpr struct

+ Datas []DataExpr

+ Module string

+ Name string

+ func ParseFuncWithPara(s string) (*FuncExpr, error)

+ type FuncGraph struct

+ func NewFuncGraph(opt *Option) (*FuncGraph, error)

+ func (fg *FuncGraph) Init() error

+ func (fg *FuncGraph) Run() error

+ func (fg *FuncGraph) ShowFuncPara(e *FuncEvent)

+ func (fg *FuncGraph) ShowFuncRet(e *FuncEvent)

+ type FuncInfo struct

+ type KSymCache struct

+ func NewKSymCache() (*KSymCache, error)

+ func (k *KSymCache) Iterate() *SymsIterator

+ func (k *KSymCache) SymbolByAddr(addr uint64) Symbol

+ type Option struct

+ AllowComms []string

+ AllowFuncExprs []*FuncExpr

+ AllowFuncs []string

+ AllowFuncsOfDwarf map[Symbol]struct{}

+ AllowPids []int

+ BpfLog bool

+ DenyComms []string

+ DenyFuncs []string

+ DenyPids []int

+ DryRun bool

+ Duration uint64

+ EntryFuncExprs []*FuncExpr

+ EntryFuncs []string

+ EntryFuncsOfDwarf map[Symbol]struct{}

+ InheritChild bool

+ MaxEntries uint32

+ Mode string

+ Target string

+ Verbose bool

+ type Primary struct

+ Addr Addr

+ Name string

+ type Symbol struct

+ Addr uint64

+ Module string

+ Name string

+ Type SymbolType

+ type SymbolType int

+ const FuncType

+ const NonFuncType

+ type SymsIterator struct

+ func (iter *SymsIterator) Next() bool

+ type TraceData struct

+ Base uint64

+ BaseAddr bool

+ BitOff uint32

+ BitSize uint32

+ CmpOperator uint8

+ Imm uint64

+ Index uint64

+ Name string

+ Offsets []uint32

+ Para int

+ S_target int64

+ Scale uint64

+ Size int

+ Target uint64

+ Typ btf.Type

+ func GenTraceData(dataExpr DataExpr, fn *btf.Func) *TraceData

+ type Value struct

+ Int *string

+ String *string

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