Hi Peter,
Does: http://lkml.kernel.org/r/[email protected]
Fix it?
Both patches can fix the LTP regression.
We applied each of Juri's and Kirill's patches on top of Thomas' commit,
and here are the comparisons:
test case: ltp/syscalls
Thomas' Juri's
c365c292d05908c ffc78ca31d51f90c516bb50cf
--------------- -------------------------
1 ~ 0% -100.0% 0 ~ 0% TOTAL
ltp.sched_rr_get_interval02.1.TFAIL
73790 ~ 5% -14.1% 63363 ~ 6% TOTAL interrupts.IWI
3040 ~ 4% -6.7% 2836 ~ 5% TOTAL slabinfo.kmalloc-128.num_objs
Thomas' Kirill's
c365c292d05908c f4262311faf6f326bf27fb1f4
--------------- -------------------------
1 ~ 0% -100.0% 0 ~ 0% TOTAL
ltp.sched_rr_get_interval02.1.TFAIL
3618 ~ 6% -13.2% 3141 ~ 6% TOTAL slabinfo.anon_vma.active_objs
3671 ~ 5% -11.3% 3258 ~ 4% TOTAL slabinfo.anon_vma.num_objs
8.41 ~ 2% -5.1% 7.98 ~ 3% TOTAL boottime.dhcp
15.90 ~ 2% -3.2% 15.40 ~ 2% TOTAL boottime.boot
55.18 ~ 1% -2.6% 53.73 ~ 1% TOTAL boottime.idle
Thanks,
-Jet
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