Class ExpressionProfiler

Expression Profiler

Tracks execution time, memory usage, and call frequencies for XPath expressions.

Index

Constructors

Methods

enable disable isEnabled profileExpression getProfiles getProfile clearProfiles getSummary getReport getHotSpots getMemoryHotSpots getFrequencyAnalysis

Constructors

constructor

new ExpressionProfiler(warmupRuns?: number): ExpressionProfiler
Parameters
- warmupRuns: number = 0
Returns ExpressionProfiler
- Defined in profiler/profiler.ts:60

Methods

enable

enable(): void
Enable profiling

Returns void
- Defined in profiler/profiler.ts:73

disable

disable(): void
Disable profiling

Returns void
- Defined in profiler/profiler.ts:83

isEnabled

isEnabled(): boolean
Check if profiling is enabled

Returns boolean
- Defined in profiler/profiler.ts:90

profileExpression

profileExpression<T>(
    expression: XPathExpression,
    context: XPathContext,
    execute: () => T,
): T
Profile an expression execution
Type Parameters
- T
Parameters
- expression: XPathExpression
- context: XPathContext
- execute: () => T
Returns T
- Defined in profiler/profiler.ts:97

getProfiles

getProfiles(): ExpressionProfile[]
Get all recorded profiles

Returns ExpressionProfile[]
- Defined in profiler/profiler.ts:209

getProfile

getProfile(exprType: string): ExpressionProfile
Get profile for a specific expression type
Parameters
- exprType: string
Returns ExpressionProfile
- Defined in profiler/profiler.ts:216

clearProfiles

clearProfiles(): void
Clear all profiles

Returns void
- Defined in profiler/profiler.ts:223

getSummary

getSummary(): {
    totalExecutionTime: number;
    totalCalls: number;
    slowestExpression: ExpressionProfile;
    fastestExpression: ExpressionProfile;
    heaviestMemory: ExpressionProfile;
    averageTime: number;
}
Get profile summary

Returns {
    totalExecutionTime: number;
    totalCalls: number;
    slowestExpression: ExpressionProfile;
    fastestExpression: ExpressionProfile;
    heaviestMemory: ExpressionProfile;
    averageTime: number;
}
- Defined in profiler/profiler.ts:230

getReport

getReport(): string
Get formatted profile report

Returns string
- Defined in profiler/profiler.ts:276

getHotSpots

getHotSpots(topN?: number): ExpressionProfile[]
Get hot spots (slowest expressions)
Parameters
- topN: number = 5
Returns ExpressionProfile[]
- Defined in profiler/profiler.ts:316

getMemoryHotSpots

getMemoryHotSpots(topN?: number): ExpressionProfile[]
Get memory hotspots
Parameters
- topN: number = 5
Returns ExpressionProfile[]
- Defined in profiler/profiler.ts:325

getFrequencyAnalysis

getFrequencyAnalysis(topN?: number): ExpressionProfile[]
Get frequency analysis (most called expressions)
Parameters
- topN: number = 5
Returns ExpressionProfile[]
- Defined in profiler/profiler.ts:334