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Re^3: Getting a memory dump

by erroneousBollock (Curate)
on Nov 23, 2007 at 08:15 UTC ( #652523=note: print w/ replies, xml ) Need Help??


in reply to Re^2: Getting a memory dump
in thread Getting a memory dump

I was rather thinking of something a bit more structured that would list each variable with its attributes and references broken out.
Do you have an example of such a facility in some other language?

Historically, various tools were used to examine a dump corefile, but I've not seen language-specific nor human-readable dumps before.

Aside from perl variables, all kinds of things will be on the heap for your perl process (eg: things allocated by libraries wrapped in XS interfaces).

-David


Comment on Re^3: Getting a memory dump
Re^4: Getting a memory dump
by awy (Acolyte) on Nov 23, 2007 at 08:32 UTC
    Yes, this is something you can do in Java. The Sun JVM hprof format (and similar formats for other JVMs) is not exactly human-readable but there are quite a number of tools capable of reading and analysing such dumps. The point is that the data is structured in a format amenable to analysis.

    I realise that libraries and XS code may be responsible but somehow I suspect that this is less likely in my case.

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