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Date: Mon, 24 Aug 2015 01:13:12 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: freebsd-hackers@FreeBSD.org
Subject: How to application sample profiling?
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I have multi-thread application fully utilise all CPU cores.
I am need to determine lines give mostly CPU loads.
How I can do this?

`pmcstat -P BU_CPU_CLK_UNHALTED -t application_pid -n 500000 -O sample.out`
consume to many CPU (performance drop x100 times) and mostly show
himself in kernel and pmc locks and none for application.
pmcstat -S BU_CPU_CLK_UNHALTED -- same here.