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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<silvaleandrodp> Hi fche i debuged this code http://web.eece.maine.edu/~vweaver/projects/rapl/rapl-read.c and it seems that he value 14 and 1 for my machine with the perf_event_open() worked correctly just posting for curiosity
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<toothe> I tried to run stap-prep, and got this python error at the bottom: https://dpaste.de/yQ19
<toothe> I do not fully understand what happened here?
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<fche> toothe, that must be a yum/dnf bug
<fche> you can probably get past it with # rpm --import $each_file_from_that_directory
<fche> but maybe 'unitedrpms' is an incompatible repo; consider disabling it for the moment?
<fche> silvaleandrodp, interesting! would love to see that work - could you consider jotting some notes into an email, or into that bugzilla entry?
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<irker962> systemtap: dsmith systemtap.git:refs/heads/master * release-3.1-320-g055ae3c / tapset/bpf/syscalls.stpm: Add syscalls.stpm to tapset/bpf to avoid compilation warnings. http://tinyurl.com/ybff3jrl
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<toothe> alright, let me try this again...
<toothe> How does one disable a repository?
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<fche> If that were the problem, I'd try editing /etc/yum.repos.d/unitedrpm* to enabled=0 I guess
<fche> not familiar with that repo
<fche> but I assume something's wrong with it's interoperation with /usr/bin/debuginfo-install
<fche> the other option is to not worry about stap-prep exactly
<toothe> ?
<fche> that it looks like stap-prep did install the right kernel-debuginfo for your machine
<fche> maybe nothing more is required
<fche> so try stuff
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<toothe> sure. when I try to list probes, nothing comes up.
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<toothe> alright let me re-figure this out...
<toothe> lol
<toothe> okay, how do I list all available probes?
<toothe> and, do I need to do a clean reboot?
<fche> if the kernel wasn't updated, should not.
<fche> there are many kinds of probes (see [man stapprobes]), but for e.g. tracepoints:
<fche> stap -L 'kernel.trace("*")'
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<fche> for kprobes (the type that require the matching kernel-debuginfo):
<fche> stap -L 'kernel.function("*").call' # e.g.
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<toothe> thats taking a bit o ftime...nothing is appearing yet, just kinda sitting there...and there it goes!
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<toothe> okay, so sudo stap -L 'module("*")' is blank.
<toothe> I am trying to mess with the rtl_pci kernel module.
<toothe> 'mess with', view probes for it.
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<fche> try 'module("rtl_pci").function("*")'
<fche> shouldn't need sudo just to list btw
<toothe> there it goes!
<toothe> so...maybe everything was working all along?
<toothe> is there a way to view all probes everywhere? the equivalent of dtrace -L ?
<fche> dtrace can see much less than we can, so its -L is nice and cute and short :-)
<toothe> ah.
<toothe> :)
<fche> one can do something like stap -L '**' (recursive probe point expansion) but that's just scratching too
<toothe> so remind me, you work for redhat?
<fche> DON'T TELL ANYONE
<toothe> lol, kyou never told me that - i just guessed based on your level of involvement with stap.
<fche> <sshhhhh>
<toothe> isn't there a way to set a probe for the exits?
<toothe> ie, when a function exits, not is begun?
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<fche> toothe, probe FOO.function.return
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<toothe> awesome, I gots what I needs! THank you very very much for your work on sap!
<toothe> stap*
<fche> no problem, if able please share findings or neat tricks
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<irker962> systemtap: dsmith systemtap.git:refs/heads/master * release-3.1-321-g3b6e33e / session.cxx: Allow '+' characters in kernel names. http://tinyurl.com/ycyqyoc3
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<irker962> systemtap: dsmith systemtap.git:refs/heads/master * release-3.1-322-gc6521e8 / testsuite/lib/systemtap.exp testsuite/systemtap.server/client.exp testsuite/systemtap.server/server.exp: Make small improvements to the systemtap server testsuite. http://tinyurl.com/yd8w3n6q
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<irker962> systemtap: fche systemtap.git:refs/heads/master * release-3.1-323-g5dbc071 / stap-report: stap-report: add BPF related kconfig fields http://tinyurl.com/y8mstl3w
<irker962> systemtap: fche systemtap.git:refs/heads/master * release-3.1-324-gb626424 / bpf-translate.cxx: bpf translator: catch runtime_errors http://tinyurl.com/yb663wj2
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