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tarantool / luajit / 6853956564
88%
tarantool/master: 93%

Build:
Build:
LAST BUILD BRANCH: ligurio/gh-12215-profilers-flags
DEFAULT BRANCH: tarantool/master
Ran 13 Nov 2023 06:11PM UTC
Jobs 1
Files 89
Run time 16s
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13 Nov 2023 05:58PM UTC coverage: 88.484% (+0.2%) from 88.238%
6853956564

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github

igormunkin
profilers: purge generation mechanism

Since both of the profiler parsers are now processing
the events in a stream-like fashion, the generation
mechanism is excessive and can be purged. This results
in a significant memory consumption drop, especially
for the AVL-tree part.

Consider this script:
| jit.off()
| misc.sysprof.start{mode = 'C', interval=10}
| for i = 1, 1e7 do tostring(i) end
| misc.sysprof.stop()

After executing it with LuaJIT, you can parse it like this:
| $ time -v luajit-parse-sysprof sysprof.bin

So, before the patch:
| Maximum resident set size (kbytes): 224928

And after the patch:
| Maximum resident set size (kbytes): 32780

That is the 85% reduction in memory consumption.

Follows up tarantool/tarantool#8700

5363 of 5976 branches covered (0.0%)

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20561 of 23322 relevant lines covered (88.16%)

2752536.31 hits per line

Jobs
ID Job ID Ran Files Coverage
1 6853956564.1 13 Nov 2023 06:11PM UTC 0
88.48
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