#systemtap on 2021-03-15 — irc logs at freenode.irclog.whitequark.org

2015-11-12 23:18 fche changed the topic of #systemtap to: http://sourceware.org/systemtap; email systemtap@sourceware.org if answers here not timely, conversations may be logged

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02:29 <wynn1212> Hi! I would like to ask if ppc32 processor is support on systemtap?

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20:58 <irker173> systemtap: smakarov systemtap.git:master * release-4.4-124-g83d39af6c / testsuite/lib/systemtap.exp: rhbz1938312: temp disable bpf on recent kernels

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21:52 <tonyj> What is saved_cu in dwflpp.cxx (dwflpp::check_cu_entry_pc)

21:56 <fche> hi tonyj

21:57 <fche> dwflpp.cxx:4924?

21:58 <fche> that object is a placeholder for a temporary swap of a dwflpp member variable with a that parameter cu

21:58 <fche> wrapped in a c++ raii type object to be exception-safe

21:58 <fche> I think that's because cu_entry_pc_caching_callback uses this->cu as its target, and we can to call that fn with the given cu

21:58 <fche> not the previous incoming dwflpp->cu

21:59 <fche> at least that's the syntax/behaviour --- I have no recollection WHY we do it this way :)

22:03 <tonyj> doh, sorry, that was totally obvious. I misread the code

22:03 <tonyj> I thought it was temp = saved_cu(x,y)

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