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d/dtrace.sh

Last active March 7, 2018 02:30
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instrumenting
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dtrace.sh
# wait for gporca_test to launch
dtrace -xmangled -n 'pid$target::__ZN4gpos9CRefCount6AddRefEv:entry { @["AddRef"]=count(); }' -W gporca_test
# list all probes
dtrace -xmangled -l -n 'pid$target:gporca_test::' -n 'pid$target:libgpopt.3.dylib::' -n 'pid$target:libnaucrates.3.dylib::' -n 'pid$target:libgpdbcost.3.dylib::' -n 'pid$target:libgpos.3.dylib::' -p (pgrep gporca_test) > /tmp/gporca_test_probes.txt
# dynamically trace an already running orca process
dtrace -xmangled -n 'pid$target::__ZN4gpos9CRefCount6AddRefEv:return { @["AddRef"]=count(); }' -p (pgrep gporca_test)
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