[Bug 253968] 13.0-BETA4: UFS with journaled soft-updates is three times SLOWER than before

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253968

--- Comment #10 from Christos Chatzaras <chris at cretaforce.gr> ---
FreeBSD 12.2

/usr/bin/time -l rm -fr /usr/ports

12.2 1st run:

        8.89 real         0.36 user         1.28 sys
      5652  maximum resident set size
         7  average shared memory size
         3  average unshared data size
       126  average unshared stack size
       962  page reclaims
         0  page faults
         0  swaps
     38627  block input operations
         0  block output operations
         0  messages sent
         0  messages received
         0  signals received
     38629  voluntary context switches
         0  involuntary context switches

12.2 2nd run:

        5.04 real         0.31 user         1.98 sys
      5652  maximum resident set size
         7  average shared memory size
         3  average unshared data size
       126  average unshared stack size
       952  page reclaims
         0  page faults
         0  swaps
     13492  block input operations
         0  block output operations
         0  messages sent
         0  messages received
         0  signals received
     13502  voluntary context switches
        17  involuntary context switches

---------------

FreeBSD 13.0 (from 3-Mar-2021 source)

/usr/bin/time -l rm -fr /usr/ports

1st run:

       12.29 real         0.68 user         2.63 sys
      5580  maximum resident set size
         8  average shared memory size
         4  average unshared data size
       129  average unshared stack size
       956  page reclaims
         0  page faults
         0  swaps
     40039  block input operations
         0  block output operations
         0  messages sent
         0  messages received
         0  signals received
     40041  voluntary context switches
         1  involuntary context switches

2rd run:

        6.66 real         0.42 user         2.14 sys
      5576  maximum resident set size
         8  average shared memory size
         4  average unshared data size
       135  average unshared stack size
       955  page reclaims
         0  page faults
         0  swaps
     15705  block input operations
         0  block output operations
         0  messages sent
         0  messages received
         0  signals received
     15713  voluntary context switches
        10  involuntary context switches

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