Re: locking in sync_old_buffers

From: Martin J. Bligh (Martin.Bligh@us.ibm.com)
Date: Mon Apr 22 2002 - 17:25:37 EST


> 0.09% 8.1% 4598us(9648us) 105us( 231us)(0.00%) 37 91.9% 8.1% 0% sync_old_buffers+0x1c

16-way NUMA-Q kernel compile:

0.64% 20.0% 38ms( 54ms) 93us( 93us)(0.00%) 5 80.0% 20.0% 0%
sync_old_buffers+0x20

Hold times - ouch.

M.

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