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import type { Event } from '@sentry/core';
interface Sample {
stack_id: number;
thread_id: string;
elapsed_since_start_ns: string;
}
interface ChunkSample {
stack_id: number;
thread_id: string;
timestamp: number;
}
type Frame = {
function: string;
file: string;
lineno: number;
colno: number;
};
interface Measurement {
unit: string;
values: {
elapsed_since_start_ns: number;
value: number;
}[];
}
// Profile is marked as optional because it is deleted from the metadata
// by the integration before the event is processed by other integrations.
export interface ProfiledEvent extends Event {
sdkProcessingMetadata: {
profile?: RawThreadCpuProfile;
};
}
interface BaseProfile {
profile_id?: string;
stacks: number[][];
frames: Frame[];
resources: string[];
profiler_logging_mode: 'eager' | 'lazy';
measurements: Record<string, Measurement>;
}
export interface RawThreadCpuProfile extends BaseProfile {
samples: Sample[];
}
export interface RawChunkCpuProfile extends BaseProfile {
samples: ChunkSample[];
}
export interface PrivateV8CpuProfilerBindings {
startProfiling?: (name: string) => void;
stopProfiling?(
name: string,
format: ProfileFormat.THREAD,
threadId: number,
collectResources: boolean,
): RawThreadCpuProfile | null;
stopProfiling?(
name: string,
format: ProfileFormat.CHUNK,
threadId: number,
collectResources: boolean,
): RawChunkCpuProfile | null;
// Helper methods exposed for testing
getFrameModule(abs_path: string): string;
}
export enum ProfileFormat {
THREAD = 0,
CHUNK = 1,
}
export interface V8CpuProfilerBindings {
startProfiling(name: string): void;
stopProfiling(name: string, format: ProfileFormat.THREAD): RawThreadCpuProfile | null;
stopProfiling(name: string, format: ProfileFormat.CHUNK): RawChunkCpuProfile | null;
}