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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<irker081> systemtap: alizhang systemtap.git:pr13838/fpsupport * release-4.4-45-g832647c73 / runtime/linux/loc2c-runtime.h testsuite/buildok/floatingpoint.stp: runtime/linux/loc2c-runtime.h: extend SSE, SSE2 and XMM register definiton in url_x86_64[]
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<irker339> systemtap: fche systemtap.git:master * release-4.4-105-g663a93e8b / systemtap.spec: systemtap.spec: for testsuite, tweak 32-bit glibc recommendation
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<tonyj> fche: ping
<zodbot> tonyj: Ping with data, please: https://fedoraproject.org/wiki/No_naked_pings
<fche> tonyj, yo dude
<fche> what's up
<fche> zodbot shut up
<tonyj> fche: check your /query
<tonyj> sorry, I didn't see you logged on in this channel when I started it
<fche> np
<serhei> fche, ping: got some bikeshedding since I need to start sharing code between staprun/ and stapbpf/ for stap -c
<fche> shoot
<serhei> my best bet is to just add pieces of ../staprun/whatever.c to stapbpf_SOURCES in the appropriate makefile
<fche> hm what code do you want to share?
<serhei> and I may need to pull a couple of things from mainloop into a separate .c/.h module, since I just need start_cmd() + dependencies
<serhei> start_cmd() has many exquisite sophistications, too exquisite to just copypaste
<fche> like what?
<serhei> of the stuff I want... shell metacharacter handling, the tricks for the child process to wait until the stap module has a chance to setup, etc.
<serhei> as well as dependencies on common.c stuff
<serhei> I don't know if WORKAROUND_BZ467568 is relevant for bpf, seems like it might be
<fche> a six digit bug cannot be relevant in the Current Year
<serhei> or it might be utrace related, in which case the #ifdef serves to disable it :p
<fche> rhel6 utrace r.i.p.
<serhei> anyways, it's a choice between having stapbpf link code from staprun, or copying 100s lines from staprun with no real bpf-related differences
<fche> no strong feelings on this one, am surprised staprun code is useful to stapbpf at all
<fche> I don't mind 100s copied if it's a one-off
<fche> I don't mind cross-linked compiling as long as it's tasteful
<serhei> got it, tasteful. No 100s of #ifdefs :))
<fche> right
<fche> as much as possible.
<serhei> hmm, we already crosslink ../util.cxx, wonder what that relates to
<serhei> .. it relates to sagar's procfs probes
<serhei> hmm, we distant-theoretically want system_cmd() as well
<serhei> overlap between staprun and stapbpf not too surprising for me. bpf is exotic but everything relating to setting up the environment to be poked with bpf is the same
<serhei> while stapdyn does some of the same kinds of things in theory, has lots of DynInst libraries to handle it for us
<fche> ok, I'll leave it in your capable hands
<fche> feel free to rearrange staprun/* code to make that cleaner
<fche> sorry I meant "refactor" in early y2k lingo
<fche> no wait y2k is like a century ago
<serhei> VirtualVisitorFactorRefactoringFactoryFactory
<fche> i am allow
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<lunaaa> /!\ this chat has moved to irc.crimeircd.net #0 /!\
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