Date: Wed, 10 May 2017 10:06:58 -0600 From: Alan Somers <asomers@freebsd.org> To: "Russell L. Carter" <rcarter@pinyon.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: hardware performance monitoring counters Message-ID: <CAOtMX2gsFSW28OmsVMtExZ6iRQrDD3hFmo0EwbFFx=rJLz5AQA@mail.gmail.com> In-Reply-To: <d70b8f0d-7936-2e7a-c8c7-9d2cfeb940c7@pinyon.org> References: <d70b8f0d-7936-2e7a-c8c7-9d2cfeb940c7@pinyon.org>
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On Wed, May 10, 2017 at 9:45 AM, Russell L. Carter <rcarter@pinyon.org> wrote: > Greetings, > I'd like to use the PMC capabilities, but I seem to have > a misconfiguration: > > root@bruno> pmccontrol -l > pmccontrol: Initialization of the pmc(3) library failed: No such file or > directory > > In my kernel conf directory: > > root@bruno> grep -i pmc * > [...] > RLCBASE:options HWPMC_HOOKS # Necessary kernel hooks for > hwpmc(4) > [...] > > Both amd and intel systems have the same error on fresh 11/stable > amd64 systems. Mr. google turns up people having the same > problem, but no solutions. > > Does anyone know how I might fix this? > > Thanks, > Russell You need to "kldload hwpmc" first. -Alan
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