+6597minor)pagefaults 0swaps
0.06user 0.32system 0:00.31elapsed 125%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6571minor)pagefaults 0swaps
0.06user 0.34system 0:00.31elapsed 134%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6581minor)pagefaults 0swaps
0.05user 0.38system 0:00.31elapsed 138%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6600minor)pagefaults 0swaps
-----------------wo end   --------------------------


with patch:
------------------w begin --------------------------
0.02user 0.31system 0:00.24elapsed 141%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6554minor)pagefaults 0swaps
0.05user 0.34system 0:00.31elapsed 127%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6606minor)pagefaults 0swaps
0.07user 0.33system 0:00.26elapsed 155%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6559minor)pagefaults 0swaps
0.07user 0.32system 0:00.26elapsed 151%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6562minor)pagefaults 0swaps
0.05user 0.34system 0:00.26elapsed 150%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6603minor)pagefaults 0swaps
0.03user 0.36system 0:00.31elapsed 124%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6562minor)pagefaults 0swaps
0.04user 0.35system 0:00.26elapsed 147%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6586minor)pagefaults 0swaps
0.03user 0.37system 0:00.27elapsed 146%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6562minor)pagefaults 0swaps
0.04user 0.36system 0:00.26elapsed 154%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6594minor)pagefaults 0swaps
0.04user 0.35system 0:00.26elapsed 154%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+6557minor)pagefaults 0swaps
------------------w end   --------------------------

The middle value of elapsed time is:
wo cryptwq: 0.31
w  cryptwq: 0.26

The performance gain is about (0.31-0.26)/0.26 = 0.192.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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