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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Debraj Manna <subharaj.manna@gmail.com>
cc: Mark Kirkwood <mark.kirkwood@catalyst.net.nz>,
        Alvaro Aguayo Garcia-Rada <aaguayo@opensysperu.com>,
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Subject: Re: Faster way of upgrading postgresql to 10 from 9.5
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Comments: In-reply-to Debraj Manna <subharaj.manna@gmail.com>
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Debraj Manna <subharaj.manna@gmail.com> writes:
> What profiling will help in this case?

If you're on a reasonably modern Linux platform, I'd try "perf",
which is capable of gathering a system-wide profile.  Note you
will need debug symbols installed for Postgres to get good
results from any profiling tool.

			regards, tom lane