Package com.helix.profiler.async

Class FlameGraphGenerator

java.lang.Object

com.helix.profiler.async.FlameGraphGenerator

public class FlameGraphGenerator
extends Object

Generator that converts collapsed stack samples into interactive HTML flame graphs.

Constructor Summary

Constructors

Constructor	Description
FlameGraphGenerator()

Method Summary

Modifier and Type	Method	Description
String	generateHtmlFlameGraph(String collapsedData, String title)	Converts collapsed stack trace data into a self-contained HTML Flame Graph.
void	generateHtmlFlameGraph(String collapsedData, Path outputFile, String title)	Generates an HTML flame graph file from collapsed input string.
void	generateHtmlFlameGraph(Path collapsedFile, Path outputFile, String title)	Generates an HTML flame graph file from collapsed input file.
List<Map.Entry<String,Long>>	parseCollapsedData(String collapsedData)	Helper method to parse collapsed stack format lines ("a;b;c 100").

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FlameGraphGenerator

public FlameGraphGenerator()

Method Details

generateHtmlFlameGraph

public String generateHtmlFlameGraph(String collapsedData,
 String title)

Converts collapsed stack trace data into a self-contained HTML Flame Graph.

Parameters:

collapsedData - Stack trace samples in format: "frame1;frame2;method 42"

title - Flame graph title

Returns:

Full HTML string

generateHtmlFlameGraph

public void generateHtmlFlameGraph(Path collapsedFile,
 Path outputFile,
 String title)
                            throws IOException

Generates an HTML flame graph file from collapsed input file.

Throws:

IOException

generateHtmlFlameGraph

public void generateHtmlFlameGraph(String collapsedData,
 Path outputFile,
 String title)
                            throws IOException

Generates an HTML flame graph file from collapsed input string.

Throws:

IOException

parseCollapsedData

public List<Map.Entry<String,Long>> parseCollapsedData(String collapsedData)

Helper method to parse collapsed stack format lines ("a;b;c 100").