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Date:      Mon, 5 Sep 2022 10:59:21 +0200
From:      Mateusz Piotrowski <0mp@FreeBSD.org>
To:        freebsd-dtrace@freebsd.org
Subject:   How to join ustack() and stack()?
Message-ID:  <14DCF8FF-DCA7-4D0E-8D55-67FA8B286D54@FreeBSD.org>
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Hi dtrace@,

I'd like to produce a flame graph that shows both stack() and ustack() at the same time. Is there an easy way to do it in DTrace? 

strjoin(ustack(), stack()) does not work, because those functions output is typed as "stack" instead of "string". There also seem to be no function called stacktostr() that could be handy here.

Best,
Mateusz
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