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From: David Ahern <dsahern@gmail.com>
To: sowmini varadhan <sowmini05@gmail.com>, Julian Anastasov <ja@ssi.bg>
Cc: "Jamal Hadi Salim" <jhs@mojatatu.com>,
	"Eric Dumazet" <eric.dumazet@gmail.com>,
	"Niels Möller" <nisse@southpole.se>,
	netdev <netdev@vger.kernel.org>,
	"Jonas Bonn" <jonas@southpole.se>
Subject: Re: Scaling 'ip addr add' (was Re: What's the right way to use a *large* number of source addresses?)
Date: Thu, 29 May 2014 10:19:40 -0600	[thread overview]
Message-ID: <53875E1C.2040708@gmail.com> (raw)
In-Reply-To: <CACP96tR8v=sujsGqFPefTw09X3WEud6-3KTX5j48ijX=hyyerw@mail.gmail.com>

On 5/29/14, 10:11 AM, sowmini varadhan wrote:
> I'm still not sure I understand*why*  check_lifetime ends
> up being expensive, though. For this particular test, all the
...
>
> fib_sync_up() could also use a magnifying glass - was going to
> look at this later.

Annotation feature of perf should help
     perf record -ga -- <command>

     'perf report' with a TUI and then hit 'a' for annotation mode
     or use 'perf annotate -k vmlinux -s <symbol name>'

David

      reply	other threads:[~2014-05-29 16:19 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-27 21:29 Scaling 'ip addr add' (was Re: What's the right way to use a *large* number of source addresses?) sowmini varadhan
2014-05-28  1:41 ` Eric Dumazet
2014-05-28 10:01   ` sowmini varadhan
2014-05-28 11:23     ` Jamal Hadi Salim
2014-05-28 11:54       ` sowmini varadhan
2014-05-28 12:18   ` sowmini varadhan
2014-05-28 13:44     ` Eric Dumazet
2014-05-28 14:48       ` Eric Dumazet
2014-05-28 16:00         ` Eric Dumazet
2014-05-28 17:18         ` sowmini varadhan
2014-05-29  6:34 ` Julian Anastasov
2014-05-29 16:11   ` sowmini varadhan
2014-05-29 16:19     ` David Ahern [this message]

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