feat: WithCPUSamplingTime

[suhuaqin]

It is hoped that the cpu collection duration can be customized

[Copilot]

Pull Request Overview

This PR adds the ability to customize the CPU sampling time for profiling. Key changes include:

• Adding a new CPUSamplingTime field in options.go.
• Introducing a WithCPUSamplingTime functional option for setting a custom CPU sampling time.
• Updating holmes.go to use the custom CPUSamplingTime value during profiling.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
options.go	Adds CPUSamplingTime field and functional option; initializes with a default.
holmes.go	Replaces hardcoded sleep duration with the configurable CPUSamplingTime.

Comments suppressed due to low confidence (1)

options.go:247

• The fallback for non-positive durations uses defaultInterval instead of defaultCPUSamplingTime, which may cause inconsistent configuration. Consider changing it to defaultCPUSamplingTime.

if newDuration <= 0 { newDuration = defaultInterval }