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Re: return probe not executed on SMP system



I grep the systemTap source code, and found in line 2590 of tapsets.cxx:

o->newline() << probe_name << ".maxactive = 1;";

So systemTap set the maxactive to 1. Am I right?



Confirm! You are right, systemtap set maxactive=1. It should set it to 0 or do not set it at all so kprobes can set it to the default value.



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