Re: Bottleneck?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Ray Stell <stellr(at)cns(dot)vt(dot)edu>
Cc: Ip Wing Kin John <wkipjohn(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Bottleneck?
Date: 2009-08-06 15:01:52
Message-ID: 4068.1249570912@sss.pgh.pa.us
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Ray Stell <stellr(at)cns(dot)vt(dot)edu> writes:
> On Thu, Aug 06, 2009 at 12:50:51PM +1000, Ip Wing Kin John wrote:
>> (running DTrace tool kit iofile.d script to show I/O wait time by
>> filename and process)

> Is the dtrace toolkit a viable product for a linux environment or
> is it strickly Sun/Oracle?

dtrace is available on Solaris and Mac OS X and probably a couple
other platforms, but not Linux. For Linux there is SystemTap,
which does largely the same kinds of things but has a different
scripting syntax ...

regards, tom lane

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