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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<lorddoskias1> the following script: http://sprunge.us/KOaI gives me this error: error: expected ‘;’ before ‘!’ token return ! task_in_root_cgroup(current);
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<lorddoskias1> fche: holla
<fche> lorddoskias1, return (EXPR) rather than return EXPR
<lorddoskias1> i fixed that and also reworked the script significantly :)
<lorddoskias1> but now i'm doing something rather evil :D
<lorddoskias1> I get this errors: http://paste.ubuntu.com/23115653/ from this script: http://sprunge.us/ejWD
<lorddoskias1> essentially mask_addr should be a struct
<lorddoskias1> but i believe in the script it's losing this type information, perhaps I should @cast it?
<fche> types passed to/from embedded-c functions are strictly char* or int64_t types
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<fche> so yeah you definitely have to cast it
<fche> and it's embedded-c so use normal c casting, not @cast()
<lorddoskias1> right
<lorddoskias1> neat, seems to be working :D
<lorddoskias1> now to see if it is going to crash the kernel
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<lorddoskias1> woah, it didn't even crash the machine o_o
<fche> that's just wrong
<lorddoskias1> what's wrong?
<fche> I mean it should crash once in a while, just on principle :-)
<fche> I hope those cpumask_* operations are safe from that context (non-blocking etc.)
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<lorddoskias1> yep, the only problem would the alloc function, which is invoked with GFP_KERNEL (though I can change it to GFP_ATOMIC)
<lorddoskias1> but if it's not invoked in low memory situation it should be good, also this is a VERY dirty hack (i still feel very low because of it :( )
<lorddoskias1> i have to spent some time looking at the preprocessed .c code of a driver to see what it looks like ;0
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<lorddoskias1> fche: another question, similar to my initial one: masksize = %{ cpumask_size(); %}
<fche> drop the ; inside that %{ %} block
<fche> it's an -expression- not a -statement-
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<lorddoskias1> right
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<irker908> systemtap: ravi.bangoria systemtap.git:refs/heads/rth/bpf * release-3.0-226-gb0cfcdb / tapsets.cxx: ppc64le: Store correct function entry address in symbol_table http://tinyurl.com/z4o7l8p
<irker908> systemtap: ravi.bangoria systemtap.git:refs/heads/rth/bpf * release-3.0-227-gc3d8c09 / tapsets.cxx: ppc64le: Fix LEP usage for probing http://tinyurl.com/zsof9fu
<irker908> systemtap: jistone systemtap.git:refs/heads/rth/bpf * release-3.0-228-g7fb6e0e / dwflpp.cxx dwflpp.h: dwflpp: cache CU entry PCs for pr15123_retry_addr http://tinyurl.com/hz6tecb
<irker908> systemtap: flu systemtap.git:refs/heads/rth/bpf * release-3.0-229-g2c66ddd / interactive.cxx session.cxx: interactive mode: allow supplied script http://tinyurl.com/jpd8ujp
<irker908> systemtap: rth systemtap.git:refs/heads/rth/bpf * release-3.0-241-g96d8c29 / : Merge branch 'master' into rth/bpf http://tinyurl.com/h8k5bom
<irker908> systemtap: rth systemtap.git:refs/heads/rth/loc2s * release-3.0-166-g6975a4c / elaborate.cxx elaborate.h staptree.cxx staptree.h translate.cxx: Add compound_expression http://tinyurl.com/zdp82er
<irker908> systemtap: rth systemtap.git:refs/heads/rth/loc2s * release-3.0-167-gd6e1fb6 / elaborate.cxx elaborate.h staptree.cxx staptree.h translate.cxx: Add target_register expression http://tinyurl.com/gml56u7
<irker908> systemtap: rth systemtap.git:refs/heads/rth/loc2s * release-3.0-168-g217e4eb / elaborate.cxx elaborate.h staptree.cxx staptree.h translate.cxx: Add target_deref expression http://tinyurl.com/hhusbt7
<irker908> systemtap: rth systemtap.git:refs/heads/rth/loc2s * release-3.0-241-g96d8c29 / : Merge branch 'master' into rth/bpf http://tinyurl.com/h8k5bom
<irker908> systemtap: rth systemtap.git:refs/heads/rth/loc2s * release-3.0-242-gc485cff / Makefile.am Makefile.in doc/beginners/Makefile.in dwflpp.cxx dwflpp.h java/Makefile.in loc2stap.cxx loc2stap.h tapsets.cxx: tmp1 http://tinyurl.com/gs728th
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