From: "Martin J. Bligh" <mbligh@aracnet.com>
To: linux-mm mailing list <linux-mm@kvack.org>
Subject: Re: Performance of highpte
Date: Sat, 08 Feb 2003 11:33:06 -0800 [thread overview]
Message-ID: <16730000.1044732785@[10.10.2.4]> (raw)
In-Reply-To: <16010000.1044732573@[10.10.2.4]>
Odd. linux-mm helpfully stripped the results ... I'll try once more below,
if that doesn't work, try getting it off linux-kernel.
> Kernbench-2: (make -j N vmlinux, where N = 2 x num_cpus)
> Elapsed User System CPU
> 2.5.59-mjb5 45.64 564.71 110.73 1479.50
> 2.5.59-mjb5-highpte 46.38 565.32 118.35 1473.50
--On Saturday, February 08, 2003 11:29:33 -0800 "Martin J. Bligh"
<mbligh@aracnet.com> wrote:
> Hmmm. Looks like we need to dust off UKVA to me.
>
> diffprofile:
>
> 3790 page_remove_rmap
> 3213 default_idle
> 1299 kmap_atomic
> 803 kmap_atomic_to_page
> 776 kmem_cache_free
> 676 __pte_chain_free
> 486 page_add_rmap
> 240 unmap_all_pages
> 225 kmem_cache_alloc
> 166 vm_enough_memory
> 132 do_generic_mapping_read
> 100 handle_mm_fault
> 82 buffered_rmqueue
> 79 __copy_from_user_ll
> 67 update_atime
> 66 kunmap_atomic
> 63 release_pages
> 58 filemap_nopage
> 55 file_move
> 51 generic_file_open
> 51 find_get_page
> ...
> -52 dput
> -61 do_schedule
> -63 get_empty_filp
> -74 do_page_fault
> -96 vfs_read
> -97 path_lookup
> -121 fd_install
> -159 pte_alloc_one
> -260 .text.lock.file_table
> -372 page_address
>
> --
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>
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next prev parent reply other threads:[~2003-02-08 19:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-08 19:29 Martin J. Bligh
2003-02-08 19:33 ` Martin J. Bligh [this message]
2003-02-09 0:53 ` Benjamin LaHaise
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