Messages in this thread | | | Date | Thu, 17 Aug 2006 14:06:56 -0600 | From | Jim Cromie <> | 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
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