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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