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In many cases, in order to get interesting or in-depth results the
ExtendedDTraceProbes flag needs to be set when DTracing Java programs. In
this case, because of the probes we have chosen to trace, running the program
Code/Java/Func_abc, both with (PID 311517) and without (311526) this flag,
and we can see that it has made no difference, with each reporting 35 lines
executed.
# j_who.d
Tracing... Hit Ctrl-C to end.
^C
PID UID CALLS ARGS
194441 100 18 /usr/local/lib/opera/9.02-20060919.1/opera
309790 100 20 java_vm
311517 100 35 java -XX:+ExtendedDTraceProbes Func_abc
311526 100 35 java Func_abc
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