On 8/13/24 03:14, Mateusz Guzik wrote:
thanks for testing
would you mind benchmarking the change which merely force-inlines _compund_page?
https://lore.kernel.org/linux-mm/66c4fcc5-47f6-438c-a73a-3af6e19c3200@xxxxxxxxxx/
This change can resolve the regression also:
=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/nr_threads/testtime/test/cpufreq_governor/debug-setup:
lkp-icl-2sp8/stress-ng/debian-12-x86_64-20240206.cgz/x86_64-rhel-8.3/gcc-12/100%/60s/clone/performance/yfw_test2
commit:
9cb28da54643ad464c47585cd5866c30b0218e67 parent commit
c0bff412e67b781d761e330ff9578aa9ed2be79e commit introduced regression
450b96d2c4f740152e03c6b79b484a10347b3ea9 the change proposed by David
in above link
9cb28da54643ad46 c0bff412e67b781d761e330ff95 450b96d2c4f740152e03c6b79b4
---------------- --------------------------- ---------------------------
%stddev %change %stddev %change %stddev
\ | \ | \
2906 +3.5% 3007 +0.4% 2919
stress-ng.clone.microsecs_per_clone
562884 -2.9% 546575 -0.6% 559718
stress-ng.clone.ops
9295 -2.9% 9028 -0.5% 9248
stress-ng.clone.ops_per_sec
Regards
Yin, Fengwei
