1431 2011-08-30 14:24:45 +0000 systemtap kernel module generation error for qemux86 2011-09-06 07:37:00 +0000 1 1 6 Yocto Project Subprojects Kernel kernel-configuration unspecified x86 Multiple RESOLVED FIXED Medium normal 1.1 1 jessica.zhang tom.zanussi dvhart sgw yp.kernel.watcher yp.watcher --- --- --- oldest_to_newest 15881 0 jessica.zhang 2011-08-30 14:24:45 +0000 When tried to generate a kernel module for systemtap against qemux86, I got the following error. And according to Tom seems some fundamental kernel config is not picked up. Need CONFIG_KPROBES. I'm attaching my km generation script and the systemtap script. ./stapkm_gen trace_open.stp WARNING: kernel release/architecture mismatch with host forces last-pass 4. Pass 1: parsed user script and 75 library script(s) using 16724virt/12732res/1920shr kb, in 140usr/10sys/215real ms. Pass 2: analyzed script: 5 probe(s), 2 function(s), 22 embed(s), 4 global(s) using 172940virt/29376res/2864shr kb, in 1670usr/860sys/6574real ms. Pass 3: translated to C into "/tmp/stapeRngbi/trace_open.c" using 172708virt/32264res/5832shr kb, in 410usr/10sys/453real ms. In file included from /tmp/stapeRngbi/trace_open.c:56:0: /home/jzhang/systemtap-1.4/share/systemtap/runtime/stack.c:98:2: error: unknown field ‘warning’ specified in initializer /home/jzhang/systemtap-1.4/share/systemtap/runtime/stack.c:98:2: error: initialization from incompatible pointer type [-Werror] /home/jzhang/systemtap-1.4/share/systemtap/runtime/stack.c:98:2: error: (near initialization for ‘print_stack_ops.address’) [-Werror] /home/jzhang/systemtap-1.4/share/systemtap/runtime/stack.c:99:2: error: unknown field ‘warning_symbol’ specified in initializer /home/jzhang/systemtap-1.4/share/systemtap/runtime/stack.c:99:2: error: initialization from incompatible pointer type [-Werror] /home/jzhang/systemtap-1.4/share/systemtap/runtime/stack.c:99:2: error: (near initialization for ‘print_stack_ops.stack’) [-Werror] /tmp/stapeRngbi/trace_open.c:261:2: error: ‘CLONE_STOPPED’ undeclared here (not in a function) /tmp/stapeRngbi/trace_open.c:1763:2: error: #error "Need CONFIG_KPROBES!" cc1: all warnings being treated as errors make[3]: *** [/tmp/stapeRngbi/trace_open.o] Error 1 make[2]: *** [_module_/tmp/stapeRngbi] Error 2 make[1]: *** [sub-make] Error 2 make: *** [all] Error 2 Pass 4: compiled C into "trace_open.ko" in 3190usr/910sys/5198real ms. Pass 4: compilation failed. Try again with another '--vp 0001' option. 15882 1 218 jessica.zhang 2011-08-30 14:26:25 +0000 Created attachment 218 systemtap script file 15883 2 219 jessica.zhang 2011-08-30 14:26:53 +0000 Created attachment 219 kernel module gen script 15895 3 tom.zanussi 2011-08-30 19:21:37 +0000 The reason is that the systemtap feature was disabled in the move to 3.0 i.e. in standard.scc: #include features/systemtap/systemtap.scc #tag systemtap 15941 4 dvhart 2011-09-01 11:33:27 +0000 Tom is working on updating and enabling systemtap. ETA is Friday Sep 2. 16039 5 tom.zanussi 2011-09-06 07:37:00 +0000 Fixed by commits: linux-yocto-3.0/meta: 82140b960a7cc13d116be61a85d4fe7f7d38680f poky/master: 6ca3b3107da861491279dc6c99fc3922a297f771 218 2011-08-30 14:26:25 +0000 2011-08-30 14:26:25 +0000 systemtap script file trace_open.stp application/octet-stream 1163 jessica.zhang IyEgL3Vzci9iaW4vZW52IHN0YXAKZ2xvYmFsIG9wZW5zLCByZWFkcywgd3JpdGVzLCB0b3RhbHMg Cgpwcm9iZSBiZWdpbiB7IHByaW50Zigic3RhcnRpbmcgcHJvYmVcbiIpIH0KCnByb2JlIHN5c2Nh bGwub3BlbiB7CiAgZT1leGVjbmFtZSgpOwogIG9wZW5zW2VdIDw8PCAxICMgc3RhdGlzdGljcyBh cnJheQp9Cgpwcm9iZSBzeXNjYWxsLnJlYWQucmV0dXJuIHsKICBjb3VudCA9ICRyZXR1cm4KICBp ZiAoIGNvdW50ID49IDAgKSB7CiAgICBlPWV4ZWNuYW1lKCk7CiAgICByZWFkc1tlXSA8PDwgY291 bnQgIyBzdGF0aXN0aWNzIGFycmF5CiAgICB0b3RhbHNbZV0gKz0gY291bnQKICB9Cn0KCnByb2Jl IHN5c2NhbGwud3JpdGUucmV0dXJuIHsKICBjb3VudCA9ICRyZXR1cm4KICBpZiAoY291bnQgPj0g MCApIHsKICAgIGU9ZXhlY25hbWUoKTsKICAgIHdyaXRlc1tlXSA8PDwgY291bnQgIyBzdGF0aXN0 aWNzIGFycmF5CiAgICB0b3RhbHNbZV0gKz0gY291bnQKICB9Cn0KCnByb2JlIGVuZCB7CiAgcHJp bnRmKCJcbiUxNnMgJThzICU4cyAlOHMgJThzICU4cyAlOHMgJThzXG4iLAogICAgIiIsICIiLCAi IiwgInJlYWQiLCAicmVhZCIsICIiLCAid3JpdGUiLCAid3JpdGUiKQogIHByaW50ZigiJTE2cyAl OHMgJThzICU4cyAlOHMgJThzICU4cyAlOHNcbiIsCiAgICAibmFtZSIsICJvcGVuIiwgInJlYWQi LCAiS0IgdG90IiwgIkIgYXZnIiwgIndyaXRlIiwgIktCIHRvdCIsICJCIGF2ZyIpCiAgZm9yZWFj aCAobmFtZSBpbiB0b3RhbHMtIGxpbWl0IDIwKSB7ICMgc29ydCBieSB0b3RhbCBpbwogICAgcHJp bnRmKCIlMTZzICU4ZCAlOGQgJThkICU4ZCAlOGQgJThkICU4ZFxuIiwKICAgICAgbmFtZSwgQGNv dW50KG9wZW5zW25hbWVdKSwKICAgICAgQGNvdW50KHJlYWRzW25hbWVdKSwKICAgICAgKEBjb3Vu dChyZWFkc1tuYW1lXSkgPyBAc3VtKHJlYWRzW25hbWVdKT4+MTAgOiAwICksCiAgICAgIChAY291 bnQocmVhZHNbbmFtZV0pID8gQGF2ZyhyZWFkc1tuYW1lXSkgOiAwICksCiAgICAgIEBjb3VudCh3 cml0ZXNbbmFtZV0pLAogICAgICAoQGNvdW50KHdyaXRlc1tuYW1lXSkgPyBAc3VtKHdyaXRlc1tu YW1lXSk+PjEwIDogMCApLAogICAgICAoQGNvdW50KHdyaXRlc1tuYW1lXSkgPyBAYXZnKHdyaXRl c1tuYW1lXSkgOiAwICkpCiAgfQp9Cgo= 219 2011-08-30 14:26:53 +0000 2011-08-30 14:26:53 +0000 kernel module gen script stapkm_gen application/octet-stream 1809 jessica.zhang IyEvYmluL2Jhc2ggICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAKIyB1c2FnZTogY3Jvc3N0YXAgPHN5c3RlbXRhcCBzY3Jp cHQ+IDx1c2VyQHRhcmdldC1hZGRyPiAgICAgICAgICAgICAgICAgICAgICAgICAKIyAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAKIyBOT1RFOiBTWVNURU1UQVBfSE9TVF9JTlNUQUxMRElSLCBTWVNURU1U QVBfVEFSR0VUX0FSQ0gsICAgICAgICAgICAgICAgICAgICAgICAKIyBTVEFHSU5HX0JJTkRJUl9U T09MQ0hBSU4sIFNUQUdJTkdfQklORElSX1RPT0xQUkVGSVgsIGFuZCAgICAgICAgICAgICAgICAg ICAgICAKIyBUQVJHRVRfS0VSTkVMX0JVSUxERElSIG11c3QgYmUgc2V0IHRvIHRoZSBhcHByb3By aWF0ZSBob3N0L3lvY3RvICAgICAgICAgICAgICAKIyBidWlsZC10cmVlIHBhdGhzIGZvciB0aGlz IHNjcmlwdCB0byB3b3JrIGNvcnJlY3RseS4gIFRoZSB2YWx1ZXMgICAgICAgICAgICAgICAKIyBi ZWxvdyBhcmUgb25seSBleGFtcGxlcy4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAKCiMgd2hlcmUgc3lzdGVtdGFwIHdhcyBpbnN0YWxsZWQgb24g dGhlIGhvc3QgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgClNZU1RFTVRBUF9I T1NUX0lOU1RBTExESVI9Ii9ob21lL2p6aGFuZy9zeXN0ZW10YXAtMS40IgoKIyBpMzg2IGZvciAz Mi1iaXQgeDg2LCBhcm0gZm9yIGFybSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAKU1lTVEVNVEFQX1RBUkdFVF9BUkNIPSJpMzg2IgoKIyB3aGVyZSB0byBmaW5k IGNvbXBpbGVyIGV4ZWN1dGFibGVzLCBwYXNzZWQgb24gdG8ga2VybmVsIGtidWlsZCAgICAgICAg ICAgICAgICAKU1RBR0lOR19CSU5ESVJfVE9PTENIQUlOPSIvaG9tZS9qemhhbmcveW9jdG8tbGF0 ZXN0L2J1aWxkL3RtcC9zeXNyb290cy9pNjg2LWxpbnV4L3Vzci9iaW4vaTU4Ni1wb2t5LWxpbnV4 IgpTVEFHSU5HX0JJTkRJUl9UT09MUFJFRklYPSJpNTg2LXBva3ktbGludXgiCgojIHBvaW50ZXIg dG8gY29uZmlndXJlZC9idWlsdCBrZXJuZWwgdHJlZSAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgIApUQVJHRVRfS0VSTkVMX0JVSUxERElSPSIvaG9tZS9qemhhbmcveW9jdG8t bGF0ZXN0L2J1aWxkL3RtcC93b3JrL3FlbXV4ODYtcG9reS1saW51eC9saW51eC15b2N0by0zLjAu MytnaXQzKzViNTM1Mjc5ZTYxMTk3Y2IxOTRiYjJkZmNlYjhiN2EwNDEyODM4N2NfMys4YjUxZGRi YTBmODVhNmJiOGUxMDViMzdhOWFjMDNmYjU4YjlkZTIwLXIxL2xpbnV4LXFlbXV4ODYtc3RhbmRh cmQtYnVpbGQiCgpzY3JpcHRfbmFtZT0kKGJhc2VuYW1lICIkMSIpCnNjcmlwdF9iYXNlPSR7c2Ny aXB0X25hbWUlLip9Cgoke1NZU1RFTVRBUF9IT1NUX0lOU1RBTExESVJ9L2Jpbi9zdGFwIC1ndiAt YSAke1NZU1RFTVRBUF9UQVJHRVRfQVJDSH0gLUIgQ1JPU1NfXApDT01QSUxFPSIke1NUQUdJTkdf QklORElSX1RPT0xDSEFJTn0vJHtTVEFHSU5HX0JJTkRJUl9UT09MUFJFRklYfS0iIC1yICR7VEFS R0VUXApfS0VSTkVMX0JVSUxERElSfSAtSSAke1NZU1RFTVRBUF9IT1NUX0lOU1RBTExESVJ9L3No YXJlL3N5c3RlbXRhcC90YXBzZXQgLVIgJHtTXApZU1RFTVRBUF9IT1NUX0lOU1RBTExESVJ9L3No YXJlL3N5c3RlbXRhcC9ydW50aW1lIC1tICRzY3JpcHRfYmFzZSAkMQoK