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tests: add utility to easily profile node performance with perf

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Introduces `TestNode.profile_with_perf()` context manager which
samples node execution to produce profiling data.

Also introduces a test framework flag, `--perf`, which will run
perf on all nodes for the duration of a given test.
This commit is contained in:
James O'Beirne
2018-10-19 12:28:47 -04:00
parent df894fa69a
commit 58180b5fd4
5 changed files with 165 additions and 4 deletions
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2
test/lint/lint-python-dead-code.sh
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@@ -15,5 +15,5 @@ fi
vulture \
--min-confidence 60 \
--ignore-names "argtypes,connection_lost,connection_made,converter,data_received,daemon,errcheck,get_ecdh_key,get_privkey,is_compressed,is_fullyvalid,msg_generic,on_*,optionxform,restype,set_privkey" \
--ignore-names "argtypes,connection_lost,connection_made,converter,data_received,daemon,errcheck,get_ecdh_key,get_privkey,is_compressed,is_fullyvalid,msg_generic,on_*,optionxform,restype,set_privkey,profile_with_perf" \
$(git ls-files -- "*.py" ":(exclude)contrib/" ":(exclude)test/functional/data/invalid_txs.py")