Date: Fri, 12 Jun 2015 13:17:04 -0400 From: Ryan Stone <rysto32@gmail.com> To: Sai Prajeeth <csprajeeth@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: pmcstat profiles OS code? Message-ID: <CAFMmRNzKz6=pEBUMV_LYC7p_Q7=z2ArBxF-QCQJBEwh30wpAzA@mail.gmail.com> In-Reply-To: <CAFJamtOifqr_ZEVhFq6iK3bL%2BMLGLW1H9jGJZ24TFe0he6D0jQ@mail.gmail.com> References: <CAFJamtOifqr_ZEVhFq6iK3bL%2BMLGLW1H9jGJZ24TFe0he6D0jQ@mail.gmail.com>
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pmcstat -S will collect data for threads running in the kernel, both for kernel threads like interrupt threads as well as user threads running in kernel context (e.g performing a system call) On Jun 12, 2015 7:19 AM, "Sai Prajeeth" <csprajeeth@gmail.com> wrote: > Hi, > > I would like to count hardware events such as instructions retired / > unhalted-core-cycles for all the systems for BOTH OS and APPLICATION. I am > aware that pmcstat has a system wide monitoring mode that counts events > across all the CPUs for all processes. I want to know whether the > statistics for kernel code are collected as well ? (which I dont think so). > > Thanks! > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
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