1In many cases, in order to get interesting or in-depth results the 2ExtendedDTraceProbes flag needs to be set when DTracing Java programs. In 3this case, because of the probes we have chosen to trace, running the program 4Code/Java/Func_abc, both with (PID 311517) and without (311526) this flag, 5and we can see that it has made no difference, with each reporting 35 lines 6executed. 7 8# j_who.d 9Tracing... Hit Ctrl-C to end. 10^C 11 PID UID CALLS ARGS 12 194441 100 18 /usr/local/lib/opera/9.02-20060919.1/opera 13 309790 100 20 java_vm 14 311517 100 35 java -XX:+ExtendedDTraceProbes Func_abc 15 311526 100 35 java Func_abc 16 17 18