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Message-ID: <44E4CC60.3080109@gmail.com>
Date: Thu, 17 Aug 2006 14:06:56 -0600
From: Jim Cromie <jim.cromie@gmail.com>
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To: Linux kernel <linux-kernel@vger.kernel.org>
Subject: 2.6.18-rc4-mm1  Run-time of Locking API testsuite
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Note the non-trivial execution time difference:

soekris:~/pinlab# egrep -e 'Locking|Good' dmesg-2.6.18-rc4-*
dmesg-2.6.18-rc4-mm1-sk:[   16.044699] | Locking API testsuite:
dmesg-2.6.18-rc4-mm1-sk:[   96.083576] Good, all 218 testcases passed! |
dmesg-2.6.18-rc4-sk:[   18.563808] | Locking API testsuite:
dmesg-2.6.18-rc4-sk:[   19.693692] Good, all 218 testcases passed! |



I diffed the respective configs, saw nothing obvious in the following,
some of them look like theyd favor -mm1, if anything.

<trimming the obvious irrelevants>

[jimc@harpo lxbuild]$ diff linux-2.6.18-rc4-sk/.config 
linux-2.6.18-rc4-mm1-sk/.config
3,4c3,4
< # Linux kernel version: 2.6.18-rc4
< # Mon Aug  7 17:53:01 2006
---
 > # Linux kernel version: 2.6.18-rc4-mm1
 > # Sun Aug 13 09:19:25 2006

1451a1491
 > CONFIG_ENABLE_MUST_CHECK=y
1454a1495
 > CONFIG_DEBUG_SHIRQ=y
1482,1483c1525,1528
< CONFIG_FORCED_INLINING=y
< CONFIG_RCU_TORTURE_TEST=y
---
 > # CONFIG_PROFILE_LIKELY is not set
 > # CONFIG_FORCED_INLINING is not set
 > # CONFIG_DEBUG_SYNCHRO_TEST is not set
 > # CONFIG_RCU_TORTURE_TEST is not set
1486c1531
< CONFIG_DEBUG_STACK_USAGE=y
---
 > # CONFIG_DEBUG_STACK_USAGE is not set


will send full configs if useful.
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