Benny Halevy e5ca65f78b test/perf: report also log_allocations/op ...

Currently perf-simple-query --write ignores
log allocations that happen on the memtable
apply path.

This change adds tracking and accounting
of the number of log allocation,
and reporting of thereof.

For reference, here's the output of
build/release/scylla perf-simple-query --write --default-log-level=error --random-seed=1 -c 1
```
random-seed=1
enable-cache=1
Running test with config: {partitions=10000, concurrency=100, mode=write, frontend=cql, query_single_key=no, counters=no}
Disabling auto compaction
78073.55 tps ( 59.4 allocs/op,  16.3 logallocs/op,  14.3 tasks/op,   52991 insns/op,        0 errors)
77263.59 tps ( 59.3 allocs/op,  16.0 logallocs/op,  14.3 tasks/op,   53282 insns/op,        0 errors)
79913.07 tps ( 59.3 allocs/op,  16.0 logallocs/op,  14.3 tasks/op,   53295 insns/op,        0 errors)
79554.32 tps ( 59.3 allocs/op,  16.0 logallocs/op,  14.3 tasks/op,   53284 insns/op,        0 errors)
79151.53 tps ( 59.3 allocs/op,  16.0 logallocs/op,  14.3 tasks/op,   53289 insns/op,        0 errors)

median 79151.53 tps ( 59.3 allocs/op,  16.0 logallocs/op,  14.3 tasks/op,   53289 insns/op,        0 errors)
median absolute deviation: 761.54
maximum: 79913.07
minimum: 77263.59
```

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>

2024-05-02 18:42:41 +03:00

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