Date: Fri, 29 May 2009 22:02:12 +1000 From: Emil Mikulic <emikulic@gmail.com> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: ZFS on top of GELI / Intel Atom 330 system Message-ID: <20090529120212.GA74808@dmr.ath.cx> In-Reply-To: <gvoi4r$3m0$1@ger.gmane.org> References: <cf9b1ee00905290119w5eea0bfmd018d1c1282ac310@mail.gmail.com> <4A1FAB45.4040904@h3q.com> <cf9b1ee00905290312j2d1aeda8y3e4d8f4b1a0492f5@mail.gmail.com> <4A1FBD4A.5080204@pp.dyndns.biz> <20090529112919.GA74359@dmr.ath.cx> <gvoi4r$3m0$1@ger.gmane.org>
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On Fri, May 29, 2009 at 01:49:54PM +0200, Ivan Voras wrote: > Emil Mikulic wrote: [...] > > kernel`SHA256_Transform 1178 6.3% > > kernel`rijndaelEncrypt 5574 29.7% > > kernel`acpi_cpu_c1 8383 44.6% > > Hi, > > What is the meaning of counts? Number of calls made or time? Time. Sorry, I inadvertently cut off the headings: function, count, percent As I understand it, hotkernel uses statistical sampling at 1001 Hz, so the percentage is an approximation of how much time is spent in each function, based on how many profiler samples ended up in each function. --Emil
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