flamegraph

package

v0.0.2 Latest Latest Go to latest Published: Aug 25, 2025 License: Apache-2.0 Imports: 7 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/Slach/clickhouse-timeline

Links

Open Source Insights

Documentation ¶

Index ¶

func FormatStackWithNumbers(stack []string) string
type Direction
type FlameView
- func NewFlamegraphView() *FlameView
type FocusedFrame
type Frame
- func (f *Frame) AddStack(stack []string, count int)
type FrameHandler
type PageSwitcherFunc

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func FormatStackWithNumbers ¶

func FormatStackWithNumbers(stack []string) string

FormatStackWithNumbers adds numbering to each frame in the stack

Types ¶

type Direction ¶

type Direction int

Direction defines the drawing direction of the flamegraph.

const (
	// DirectionTopDown draws from top to bottom (root at top)
	DirectionTopDown Direction = iota
	// DirectionBottomUp draws from bottom to top (root at bottom)
	DirectionBottomUp
)

type FlameView ¶

type FlameView struct {
	*tview.Box
	// contains filtered or unexported fields
}

FlameView is a custom tview widget for drawing flamegraphs.

func NewFlamegraphView ¶

func NewFlamegraphView() *FlameView

NewFlamegraphView creates a new instance of the flamegraph widget. Default direction is top-down.

func (*FlameView) BuildFromRows ¶

func (f *FlameView) BuildFromRows(rows *sql.Rows) error

BuildFromRows builds the flamegraph tree directly from database rows. This avoids the need to write to and read from temporary files.

func (*FlameView) Draw ¶

func (f *FlameView) Draw(screen tcell.Screen)

Draw renders the flamegraph widget on the screen.

func (*FlameView) GetTotalCount ¶

func (f *FlameView) GetTotalCount() int

func (*FlameView) SetData ¶

func (f *FlameView) SetData(data string)

SetData accepts the raw flamegraph data as a string.

func (*FlameView) SetDirection ¶

func (f *FlameView) SetDirection(d Direction)

SetDirection sets the drawing direction of the flamegraph.

func (*FlameView) SetFrameHandler ¶

func (f *FlameView) SetFrameHandler(handler FrameHandler)

SetFrameHandler sets the handler function for frame selection events.

func (*FlameView) SetPageSwitcher ¶

func (f *FlameView) SetPageSwitcher(switcher PageSwitcherFunc)

SetPageSwitcher sets the function that will be called to switch pages

func (*FlameView) SetSourcePage ¶

func (f *FlameView) SetSourcePage(sourcePage string)

SetSourcePage sets the name of the page that opened this flamegraph

type FocusedFrame ¶

type FocusedFrame struct {
	// contains filtered or unexported fields
}

FocusedFrame represents a frame that currently has focus.

type Frame ¶

type Frame struct {
	Name     string
	Count    int
	Parent   *Frame
	Children []*Frame
}

Frame represents a node in the flamegraph.

func (*Frame) AddStack ¶

func (f *Frame) AddStack(stack []string, count int)

AddStack inserts a stack of frames into the tree, accumulating the count.

type FrameHandler ¶

type FrameHandler func(stack []string, count int, selectedLevel int)

FrameHandler is a function that handles frame selection events. It receives the full stack trace from root to the selected frame, the count, and the level/position of the selected frame in the stack (0-based index).

type PageSwitcherFunc ¶

type PageSwitcherFunc func(targetPage string)

PageSwitcherFunc is a function that switches to a specified page

Source Files ¶

View all Source files

flamegraph.go

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL