Skip to content

performance.timerify(fn) behave inconsistently for sync/async functions #42743

@hax

Description

@hax

Version

master branch

Platform

All

Subsystem

perf_hooks

What steps will reproduce the bug?

function f1() { throw new Error() }
async function f2() { throw new Error() }
let h1 = perf_hooks.createHistogram()
let h2 = perf_hooks.createHistogram()
let g1 = perf_hooks.performance.timerify(f1, {histogram: h1})
let g2 = perf_hooks.performance.timerify(f2, {histogram: h2})
g1()
await g2()
h1.count === h2.count // expect true, actual false

How often does it reproduce? Is there a required condition?

Always

What is the expected behavior?

Timerified functions should behave consistently for whether trigger histogram.record.

What do you see instead?

Currently, normal function would not trigger histogram.record if throw; but async function (or any function which return promise) would.

Additional information

Currently, the code is like if (typeof result?.finally === 'function') return result.finally(...). It should use result.then instead, so the behavior will consistent with non-thenable result. Even we want to always trigger histogram.record, we should not use finally because thenable is only require to have then method, not finally method.

Metadata

Metadata

Assignees

No one assigned

    Labels

    confirmed-bugIssues with confirmed bugs.perf_hooksIssues and PRs related to the implementation of the Performance Timing API.

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions