From: David Miller <davem@davemloft.net>
To: stephen@networkplumber.org
Cc: eric.dumazet@gmail.com, ja@ssi.bg, ycheng@google.com,
netdev@vger.kernel.org, ncardwell@google.com, brakmo@google.com
Subject: Re: [PATCH v5 net-next] tcp: switch rtt estimations to usec resolution
Date: Mon, 24 Feb 2014 19:15:08 -0500 (EST) [thread overview]
Message-ID: <20140224.191508.199622728478930062.davem@davemloft.net> (raw)
In-Reply-To: <20140224155130.4c286cca@samsung-9>
From: Stephen Hemminger <stephen@networkplumber.org>
Date: Mon, 24 Feb 2014 15:51:30 -0800
> The original reason I kept ms resolution and added the flag was
> that accessing high resolution time is expensive for systems where
> TSC is not stable. Google may live in a world of SMP systems with
> good X86 CPUs with working TSC, but other architectures and system
> config's may have non-working TSC.
+1
next prev parent reply other threads:[~2014-02-25 0:15 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-23 6:38 [PATCH net-next] tcp: switch rtt estimations to usec resolution Eric Dumazet
2014-02-23 7:36 ` Julian Anastasov
2014-02-23 17:55 ` Eric Dumazet
2014-02-23 18:50 ` [PATCH v2 " Eric Dumazet
2014-02-23 19:19 ` Yuchung Cheng
2014-02-23 21:41 ` Eric Dumazet
2014-02-24 4:42 ` [PATCH v3 " Eric Dumazet
2014-02-24 17:58 ` Eric Dumazet
2014-02-24 18:24 ` [PATCH v4 " Eric Dumazet
2014-02-24 20:47 ` Julian Anastasov
2014-02-24 22:13 ` Eric Dumazet
2014-02-24 23:01 ` Julian Anastasov
2014-02-24 23:31 ` [PATCH v5 " Eric Dumazet
2014-02-24 23:51 ` Stephen Hemminger
2014-02-25 0:15 ` David Miller [this message]
2014-02-25 1:11 ` Eric Dumazet
2014-02-25 1:38 ` Eric Dumazet
2014-02-25 6:22 ` [PATCH v6 net-next 1/2] net: add skb_mstamp infrastructure Eric Dumazet
2014-02-25 9:51 ` David Laight
2014-02-25 12:21 ` Eric Dumazet
2014-02-26 20:02 ` David Miller
2014-02-26 20:29 ` Eric Dumazet
2014-02-26 22:02 ` [PATCH v7 " Eric Dumazet
2014-02-26 22:04 ` David Miller
2014-02-25 6:22 ` [PATCH v6 net-next 2/2] tcp: switch rtt estimations to usec resolution Eric Dumazet
2014-02-25 17:46 ` Neal Cardwell
2014-02-25 18:17 ` Eric Dumazet
2014-02-25 19:13 ` Neal Cardwell
2014-02-26 22:02 ` [PATCH v7 " Eric Dumazet
2014-02-26 22:04 ` David Miller
2014-02-27 1:09 ` Stephen Hemminger
2014-02-27 1:21 ` Rick Jones
2014-02-27 9:57 ` David Laight
2014-02-27 2:25 ` Eric Dumazet
2014-02-24 22:19 ` [PATCH v4 net-next] " Eric Dumazet
2014-02-28 5:20 ` [PATCH v2 " Andi Kleen
2014-02-28 6:14 ` Eric Dumazet
2014-02-28 13:31 ` Andi Kleen
2014-02-28 13:51 ` Eric Dumazet
2014-02-23 19:11 ` [PATCH " Julian Anastasov
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