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SubjectRe: 2.6.0-test3-mm1


--On Monday, August 11, 2003 11:39:43 -0700 Andrew Morton <akpm@osdl.org> wrote:

> "Martin J. Bligh" <mbligh@aracnet.com> wrote:
>>
>> Degredation on kernbench is still there:
>>
>> Kernbench: (make -j N vmlinux, where N = 16 x num_cpus)
>> Elapsed System User CPU
>> 2.6.0-test3 45.97 115.83 571.93 1494.50
>> 2.6.0-test3-mm1 46.43 122.78 571.87 1496.00
>>
>> Quite a bit of extra sys time.
>
> Increased system is a surprise. Profiles would be interesting, thanks.
>

Buggered if I know what Letext is doing there ???

6577 3.9% total
1157 0.0% Letext
937 0.0% direct_strnlen_user
748 440.0% filp_close
722 21.2% __copy_from_user_ll
610 2.6% page_remove_rmap
492 487.1% file_ra_state_init
452 12.4% find_get_page
405 7.6% __copy_to_user_ll
402 28.6% schedule
386 0.0% kpmd_ctor
348 4.4% __d_lookup
310 16.6% atomic_dec_and_lock
300 174.4% may_open
274 16.3% buffered_rmqueue
225 1.6% do_anonymous_page
206 30.9% __wake_up
193 12.3% kmem_cache_free
124 0.0% direct_strncpy_from_user
119 6.5% path_lookup
...
-112 -100.0% strncpy_from_user
-117 -1.8% page_add_rmap
-149 -0.3% default_idle
-161 -100.0% .text.lock.dcache
-207 -100.0% .text.lock.filemap
-277 -78.5% dentry_open
-297 -65.6% do_page_cache_readahead
-347 -100.0% pgd_ctor
-375 -100.0% .text.lock.file_table
-867 -100.0% strnlen_user

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