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From: Divy Le Ray <divy@chelsio•com>
To: Herbert Xu <herbert@gondor•apana.org.au>
Cc: davem@davemloft•net, netdev@vger•kernel.org,
	Steve Wise <swise@opengridcomputing•com>
Subject: Re: cxgb3: Replace LRO with GRO
Date: Sun, 18 Jan 2009 12:33:42 -0800	[thread overview]
Message-ID: <49739226.3020104@chelsio.com> (raw)
In-Reply-To: <20090117130827.GA17896@gondor.apana.org.au>

Herbert Xu wrote:
> On Sat, Jan 17, 2009 at 03:11:26AM -0800, Divy Le Ray wrote:
>> Yes.
> 
> Great.  Please give this patch a whirl.
> 

Hi Herbert,

Thanks for the patch. It does improve the performance.
I'm now getting about 5.3Gbs.

Here is a oprofile output:
      33.929900  copy_user_generic_unrolled          vmlinux
       7.150300  process_responses                  cxgb3.ko
       6.261100  refill_fl                          cxgb3.ko
       6.181700  memcpy                              vmlinux
       6.168100  inet_gro_receive                    vmlinux
       4.593700  put_page                            vmlinux
       4.085600  dev_gro_receive                     vmlinux
       3.833800  tcp_gro_receive                     vmlinux
       1.817100  free_hot_cold_page                  vmlinux
       1.715000  skb_copy_datagram_iovec             vmlinux
       1.705900  skb_gro_header                      vmlinux
       1.676400  get_page_from_freelist              vmlinux
       1.256700  tcp_recvmsg                         vmlinux
       0.893800  get_pageblock_flags_group           vmlinux
       0.850700  irq_entries_start                   vmlinux
       0.803000  _raw_spin_lock                      vmlinux
       0.782600  skb_gro_receive                     vmlinux
       0.739500  memcpy_toiovec                      vmlinux
       0.725900  napi_fraginfo_skb                   vmlinux
       0.601200  kfree                               vmlinux

Cheers,
Divy

next prev parent reply	other threads:[~2009-01-18 20:34 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-15 21:14 cxgb3: Replace LRO with GRO Divy Le Ray
2009-01-15 23:58 ` Herbert Xu
2009-01-16  8:06   ` Divy Le Ray
2009-01-16  8:56     ` Herbert Xu
2009-01-16 11:12       ` Divy Le Ray
2009-01-16 23:58         ` Herbert Xu
2009-01-17  5:08         ` Herbert Xu
2009-01-17 11:11           ` Divy Le Ray
2009-01-17 13:08             ` Herbert Xu
2009-01-18 20:33               ` Divy Le Ray [this message]
2009-01-18 22:50                 ` Herbert Xu
2009-01-20  1:03 ` David Miller
2009-01-20  2:03   ` David Miller
2009-01-20  5:24     ` Herbert Xu
2009-01-20 10:04     ` Divy Le Ray
  -- strict thread matches above, loose matches on Subject: below --
2009-01-20 10:14 Divy Le Ray
2009-01-21  8:29 ` Herbert Xu
2009-01-22  9:42   ` Divy Le Ray
2009-02-16  3:36     ` Herbert Xu
2009-02-16  3:47       ` Divy Le Ray
2009-03-13  7:28       ` Divy Le Ray
2009-04-13 15:24         ` Herbert Xu
2009-01-13  9:26 [1/2] e1000e: Invoke VLAN GRO handler Herbert Xu
2009-01-15  6:59 ` cxgb3: Replace LRO with GRO Herbert Xu

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