Re: [Xen-devel] [rtxen-devel] XEN::SCHEDULER::libxl.c::make install error ::libxenlight.so: undefined reference to `xc_sched_rm_domain_set'

[Meng Xu <xumengpanda@xxxxxxxxx>]

Not sure if you have solved it or not. if you look througth the code patch I sent to you last week, you should find it in the xc_rtpatition.c file under the tools folder.

2014-12-13 0:26 GMT-08:00 Jie Shen <jshen25@xxxxxxxxxxxx>:

Hello Gurus,

I am adding a new rm scheduler to the rt-xen,

unfortunately I met "undefined reference to " error ,the output is below:

================error output begin==============

ln -sf libxenlight.so.4.3.0 libxenlight.so.4.3

ln -sf libxenlight.so.4.3 libxenlight.so

gcc  Â-pthread -o xl xl.o xl_cmdimpl.o xl_cmdtable.o xl_sxp.o libxlutil.so /home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools/libxl/../../tools/libxl/libxenlight.so -Wl,-rpath-link=/home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools/libxl/../../tools/libxc -Wl,-rpath-link=/home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools/libxl/../../tools/xenstore -Wl,-rpath-link=/home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools/libxl/../../tools/blktap2/control /home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools/libxl/../../tools/libxc/libxenctrl.so -lyajlÂ

/home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools/libxl/../../tools/libxl/libxenlight.so: undefined reference to `xc_sched_rm_domain_get'

/home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools/libxl/../../tools/libxl/libxenlight.so: undefined reference to `xc_sched_rm_domain_set'

collect2: error: ld returned 1 exit status

make[3]: *** [xl] Error 1

make[3]: Leaving directory `/home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools/libxl'

make[2]: *** [subdir-install-libxl] Error 2

make[2]: Leaving directory `/home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools'

make[1]: *** [subdirs-install] Error 2

make[1]: Leaving directory `/home/jackyshen/RT-XEN/RT-Xen-rt-xen_2.0/tools'

make: *** [install-tools] Error 2

=============== error output end ===================


I searched all the folder ,it should be defined in the file :(reference rtpartion)

==================== grep for rm===============

jackyshen@jackyshen-ThinkPad-T410:~/RT-XEN/RT-Xen-rt-xen_2.0$ grep -r Âxc_sched_rm_domain_set

dist/install/usr/local/include/xenctrl.h~:int xc_sched_rm_domain_set(xc_interface *xch,

dist/install/usr/local/include/xenctrl.h:int xc_sched_rm_domain_set(xc_interface *xch,

tools/libxc/xc_rm.c:xc_sched_rm_domain_set(

tools/libxc/xenctrl.h:int xc_sched_rm_domain_set(xc_interface *xch,

tools/libxl/libxl.c: Â Ârc = xc_sched_rm_domain_set(CTX->xch, domid, &sdom);

Binary file tools/libxl/libxenlight.so.4.3.0 matches

Binary file tools/libxl/libxl.o matches

tools/python/xen/lowlevel/xc/xc.c:static PyObject *pyxc_sched_rm_domain_set(XcObject *self,

tools/python/xen/lowlevel/xc/xc.c: Â Âif ( xc_sched_rm_domain_set(self->xc_handle, domid, &sdom) != 0 )

tools/python/xen/lowlevel/xc/xc.c: Â Â Â(PyCFunction)pyxc_sched_rm_domain_set,

====================grep for rtpartion ============

jackyshen@jackyshen-ThinkPad-T410:~/RT-XEN/RT-Xen-rt-xen_2.0$ grep -r Âxc_sched_rtpartition_domain_set

dist/install/usr/local/include/xenctrl.h~:int xc_sched_rtpartition_domain_set(xc_interface *xch,

dist/install/usr/local/include/xenctl.hbak:int xc_sched_rtpartition_domain_set(xc_interface *xch, Â Â ===>bakfile can be ignored

dist/install/usr/local/include/xenctrl.h:int xc_sched_rtpartition_domain_set(xc_interface *xch,

Binary file dist/install/usr/local/lib/libxenlight.so.4.3.0 matches

Binary file dist/install/usr/local/lib/libxenlight.a matches

Binary file dist/install/usr/local/lib/libxenctrl.so.4.3.0 matches

Binary file dist/install/usr/local/lib/libxenctrl.a matches

Binary file dist/install/usr/local/lib/python2.7/dist-packages/xen/lowlevel/xc.so matches

Binary file tools/libxc/libxenctrl.so.4.3.0 matches

Binary file tools/libxc/libxenctrl.a matches

Binary file tools/libxc/xc_rtpartition.o matches

tools/libxc/xc_rtpartition.c:xc_sched_rtpartition_domain_set(

Binary file tools/libxc/xc_rtpartition.opic matches

tools/libxc/xenctrl.h:int xc_sched_rtpartition_domain_set(xc_interface *xch,

tools/libxl/libxl.c: Â Ârc = xc_sched_rtpartition_domain_set(CTX->xch, domid, &sdom);

Binary file tools/libxl/libxenlight.so.4.3.0 matches

tools/libxl/libxl.cbak: Â Ârc = xc_sched_rtpartition_domain_set(CTX->xch, domid, &sdom);

Binary file tools/libxl/libxl.o matches

tools/libxl/libxl.cbak.20141211: Â Ârc = xc_sched_rtpartition_domain_set(CTX->xch, domid, &sdom);

tools/python/xen/lowlevel/xc/xc.c:static PyObject *pyxc_sched_rtpartition_domain_set(XcObject *self,

tools/python/xen/lowlevel/xc/xc.c: Â Âif ( xc_sched_rtpartition_domain_set(self->xc_handle, domid, &sdom) != 0 )

tools/python/xen/lowlevel/xc/xc.c: Â Â Â(PyCFunction)pyxc_sched_rtpartition_domain_set,

tools/python/xen/lowlevel/xc/xc.cbak:static PyObject *pyxc_sched_rtpartition_domain_set(XcObject *self, Â Â Â Â Â Â Â Â Â Â Â ===>bakfile

tools/python/xen/lowlevel/xc/xc.cbak: Â Âif ( xc_sched_rtpartition_domain_set(self->xc_handle, domid, &sdom) != 0 )

tools/python/xen/lowlevel/xc/xc.cbak: Â Â Â(PyCFunction)pyxc_sched_rtpartition_domain_set,

jackyshen@jackyshen-ThinkPad-T410:~/RT-XEN/RT-Xen-rt-xen_2.0$Â

Could you please advice me where I need to define it?

Thank you very much!


ÂBest regards
Jie Shen

Graduate Student in Computer Science

Illinois Institute of TechnologyÂÂÂ
Stuart Building Chicago, IL 60616
+1Â 312 404 0122

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--

-----------
Meng Xu
PhD Student in Computer and Information Science
University of Pennsylvania

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