From: Arun Sharma <asharma@fb.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: <linux-kernel@vger.kernel.org>, Kumar Sundararajan <kumar@fb.com>,
john stultz <johnstul@us.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RFC 0/2] ABI for clock_gettime_ns
Date: Tue, 20 Dec 2011 16:50:32 -0800 [thread overview]
Message-ID: <4EF12D58.4000105@fb.com> (raw)
In-Reply-To: <cover.1323739287.git.luto@amacapital.net>
On 12/12/11 5:26 PM, Andy Lutomirski wrote:
> On x86-64, clock_gettime is so fast that the overhead converting to and
> from nanoseconds is non-negligible. clock_gettime_ns is a different
> interface that is potentially faster. If people like the ABI, I'll
> implement an optimized version.
Didn't see any major objections to this proposal.
Andy: will you be posting an optimized version?
-Arun
next prev parent reply other threads:[~2011-12-21 0:51 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-13 1:26 Andy Lutomirski
2011-12-13 1:26 ` [RFC 1/2] Add clock_gettime_ns syscall Andy Lutomirski
2011-12-13 3:32 ` Richard Cochran
2011-12-13 1:26 ` [RFC 2/2] x86-64: Add __vdso_clock_gettime_ns vsyscall Andy Lutomirski
2011-12-13 3:24 ` [RFC 0/2] ABI for clock_gettime_ns Richard Cochran
2011-12-13 3:43 ` john stultz
2011-12-13 7:09 ` Andy Lutomirski
2011-12-14 7:46 ` Richard Cochran
2011-12-14 16:48 ` john stultz
2011-12-14 17:15 ` Andy Lutomirski
2011-12-14 17:31 ` john stultz
2011-12-14 18:37 ` Richard Cochran
2011-12-14 18:30 ` Richard Cochran
2011-12-14 19:07 ` john stultz
2011-12-14 19:20 ` Andy Lutomirski
2011-12-14 21:34 ` john stultz
2011-12-15 11:35 ` Richard Cochran
2011-12-22 12:03 ` Richard Cochran
2011-12-24 5:59 ` Andy Lutomirski
2011-12-24 6:50 ` Richard Cochran
2011-12-25 4:06 ` Andy Lutomirski
2011-12-14 7:20 ` Richard Cochran
2011-12-14 16:23 ` john stultz
2011-12-14 18:21 ` Richard Cochran
2011-12-14 18:57 ` john stultz
2012-01-07 19:51 ` Richard Cochran
2011-12-21 0:50 ` Arun Sharma [this message]
2011-12-21 1:07 ` Andy Lutomirski
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