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532 B
532 B
Tool to profile pEpEngine with dtrace.
To profile :
LC_ALL=en_US.UTF-8 PYTHONPATH=`pwd`/build/lib.macosx-10.11-x86_64-3.4:`pwd`/test python3.4 mp_load_test.py wait_for_debug
wait for Alice instance to respawn after loading 5k keyring, and pass PID to dtrace script
$ sudo dtrace -s profile.d 12345 > log.dtrace
dtrace script does no processing, but just stores event, otherwise it is too slow and drops some events. Events are the analysed with a python script :
$ cat log.dtrace | python3.4 trace_analysis.py > results.txt