From: Daniele Lacamera <root@danielinux.net>
To: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: netdev@vger.kernel.org, angelo.tornese@gmail.com
Subject: Re: [PATCH] *icsk_ca_priv: Reduce inet_connection_sock size?
Date: Sun, 31 Aug 2008 23:35:54 +0200 [thread overview]
Message-ID: <48BB0EBA.6050606@danielinux.net> (raw)
In-Reply-To: <20080831202238.GA12624@2ka.mipt.ru>
Evgeniy Polyakov wrote:
> Hi Daniele.
>
> This actually may be not a big problem, since we allocate and free
> objects all the time, but still it is additional overhead which can be
> avoided. Did you run some perfromance analysis to check if influence is
> small or not visible at all?
>
Evgeniy, thanks for pointing out the issue.
On my virtual machine (kvm), the alloc operation always takes less than
one jiffie, but I can't say exactly how long. Is there a way to measure
fast path time more accurately (e.g. nanoseconds)?
next prev parent reply other threads:[~2008-08-31 21:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-31 18:26 [PATCH] *icsk_ca_priv: Reduce inet_connection_sock size? Daniele Lacamera
2008-08-31 19:09 ` Evgeniy Polyakov
2008-08-31 19:19 ` Daniele Lacamera
2008-08-31 20:22 ` Evgeniy Polyakov
2008-08-31 21:35 ` Daniele Lacamera [this message]
2008-09-01 4:05 ` David Miller
2008-09-01 4:03 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2008-08-31 18:05 Daniele Lacamera
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