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Date:      Fri, 3 Apr 2009 07:43:09 +0530
From:      Joseph Koshy <joseph.koshy@gmail.com>
To:        =?ISO-2022-JP?B?GyRCVkM0ZBsoQmNjdWl5eWFuQHNpbmEuY29t?= <ccuiyyan@gmail.com>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Performance Tools in FreeBSD
Message-ID:  <84dead720904021913t1f1c27dasd942c50213e2a83a@mail.gmail.com>
In-Reply-To: <4451ccf20904010038p64ed2540mec3249f89bb7b8c2@mail.gmail.com>
References:  <4451ccf20904010038p64ed2540mec3249f89bb7b8c2@mail.gmail.com>
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>      However, PMC seems not to be supported in AMD Opteron CPU because i
> get a "invalid arguments" error when
>
>      i use the command pmcstat -S instructions -O <outputfile>. However,
> "instructions, cycles,..." are documented in
>
>     pmc manual. By the way, I enable the options in configuration file
> options HWPMC_HOOKS and device hwpmc.

What kind of CPU do you have?  Are there any messages from hwpmc(4)
when it initializes?

Koshy
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