Date: Wed, 16 May 2012 23:54:41 -0400 From: Jason Hellenthal <jhellenthal@dataix.net> To: hackers@FreeBSD.org Cc: Bruce Evans <brde@optusnet.com.au>, davidxu@FreeBSD.org, Brandon Falk <bfalk_bsd@brandonfa.lk> Subject: Re: High-res Timers Message-ID: <20120517035441.GA91666@DataIX.net> In-Reply-To: <CAGsORuAzvseHPB%2B9UuDj4BqS9CRmBt_n5h0fG2-6VQsD5H7drA@mail.gmail.com> References: <4FB41523.2000106@brandonfa.lk> <4FB457EC.20908@gmail.com> <CAGsORuAzvseHPB%2B9UuDj4BqS9CRmBt_n5h0fG2-6VQsD5H7drA@mail.gmail.com>
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> >> > >> Does anyone have a quick list of high-resolution timer functions? Both > >> user-land and kernel-land? It would be greatly appreciated (doing some > >> performance timing for applications). > >> clocks(7) - various system timers getitimer(2), setitimer(2) - get/set value of interval timer see ( man -k timer ) list for some other references. I am not sure what sort of high resolution you are refering to but maybe these will lead you in the right direction. Bruce Evans CCd - he may have quite a bit that could be added to this. I always find what he has to say very enlightening. -- - (2^(N-1))
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