update observe.go

[masonlu2014]

Description

this purpose to fix the memory leak in the tetragon daily operation

sync.Pool for bytes.Reader reuse
     Reuses bytes.Reader objects to reduce allocations and GC overhead.

Optimized perfBufferSize calculation
    Rounds buffer size to the next power of two for better memory alignment and efficiency.

sync.WaitGroup for Goroutine management
    Ensures proper synchronization and prevents memory leaks.

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[masonlu2014]

this is before and after apply hot-fix patch for the memory leak

[mtardy]

I'm curious, did you use an LLM for this PR?

[masonlu2014]

yes, i am using LLM, btw, i will delete the empty line and resubmit a PR, would you help take a look this approach will be impact to the tetragon product , for example like daily security monitor events ?

[mtardy]

i will delete the empty line and resubmit a PR

please do not do that and just force push to this PR directly

[kkourt]

Moving this to draft. @masonlu2014 please undraft it once you feel it's ready for review.