Simon Marchi worked on the Xeon Phi. He should be able to tell you more. Basically the Phi is compatible with older "pentium" presumably a design decision to put simpler cores but more of them. Thus, some of the later additions (e.g., a few specialized instructions) are missing.
----- Mail original ----- > CCing lttng-dev mailing list. > > ----- On Nov 13, 2015, at 12:08 AM, 何鑫 sayoun...@hnu.edu.cn wrote: > > > Dear Mathieu: > > I am a master's degree student at Hunan University in the College > > of Information > > Science and Engieering.I'm trying to port a project as a native > > Xeon Phi > > application.The project depends on some rcu dynamic shared > > > > libraries(liburcu.so.4,liburcu-cds.so.4,liburcu-common.so.4,liburcu-qsbr.so.4 > > etc.).and I understand that I have to cross-compile these librarys > > for > > x86_64-k1om-linux.Here's the problem I've hit.When I try to > > compile > > userspace-rcu to get these shared libs.It generate these errors. > > AFAIK, the Xeon Phi is not in the list of urcu architectures at the > moment. liburcu would need to be extended to support it. > > I know contributors at Polytechnique have a Xeon Phi. Perhaps they > could tell us more about what is needed ? > > Thanks, > > Mathieu > > > > > [root@localhost workspace]# cd userspace-rcu/ > > [root@localhost userspace-rcu]# make > > make all-recursive > > make[1]: 进入目录“/root/workspace/userspace-rcu” > > Making all in . > > make[2]: 进入目录“/root/workspace/userspace-rcu” > > CCLD liburcu-common.la > > CC urcu.lo > > CC urcu-pointer.lo > > CCLD liburcu.la > > CC urcu-qsbr.lo > > CCLD liburcu-qsbr.la > > CC liburcu_mb_la-urcu.lo > > CC liburcu_mb_la-urcu-pointer.lo > > CC liburcu_mb_la-compat_futex.lo > > CCLD liburcu-mb.la > > CC liburcu_signal_la-urcu.lo > > CC liburcu_signal_la-urcu-pointer.lo > > CC liburcu_signal_la-compat_futex.lo > > CCLD liburcu-signal.la > > CC urcu-bp.lo > > CCLD liburcu-bp.la > > CC rculfqueue.lo > > CC rculfstack.lo > > CC lfstack.lo > > CC rculfhash.lo > > CC rculfhash-mm-order.lo > > CC rculfhash-mm-chunk.lo > > CC rculfhash-mm-mmap.lo > > CCLD liburcu-cds.la > > make[2]: 离开目录“/root/workspace/userspace-rcu” > > Making all in doc > > make[2]: 进入目录“/root/workspace/userspace-rcu/doc” > > Making all in examples > > make[3]: 进入目录“/root/workspace/userspace-rcu/doc/examples” > > Examples: relative top_srcdir path ../.. > > Examples: relative top_builddir path ../.. > > make[4]: 进入目录“/root/workspace/userspace-rcu/doc/examples” > > make -C hlist > > make[5]: 进入目录“/root/workspace/userspace-rcu/doc/examples/hlist” > > make -f Makefile.cds_hlist_add_head_rcu > > make[6]: 进入目录“/root/workspace/userspace-rcu/doc/examples/hlist” > > icc -std=gnu99 -g -O2 -Wall -I..//../../ -I../../../ -mmic -pthread \ > > -c -o cds_hlist_add_head_rcu.o cds_hlist_add_head_rcu.c > > In file included from cds_hlist_add_head_rcu.c(20): > > ..//../../urcu/rcuhlist.h(50): warning #266: function "CMM_STORE_SHARED" > > declared implicitly > > CMM_STORE_SHARED(elem->prev->next, elem->next); > > ^ > > > > icc -std=gnu99 -g -O2 -Wall -mmic -pthread -L../../../.libs/ -Wl,-rpath > > "/root/workspace/userspace-rcu/doc/examples/../../.libs/" \ > > -o cds_hlist_add_head_rcu cds_hlist_add_head_rcu.o -lurcu > > x86_64-k1om-linux-ld: warning: libimf.so, needed by > > ../../../.libs//liburcu.so, > > not found (try using -rpath or -rpath-link) > > x86_64-k1om-linux-ld: warning: libsvml.so, needed by > > ../../../.libs//liburcu.so, > > not found (try using -rpath or -rpath-link) > > x86_64-k1om-linux-ld: warning: libirng.so, needed by > > ../../../.libs//liburcu.so, > > not found (try using -rpath or -rpath-link) > > x86_64-k1om-linux-ld: warning: libintlc.so.5, needed by > > ../../../.libs//liburcu.so, not found (try using -rpath or -rpath-link) > > ../../../.libs//liburcu.so: undefined reference to `CMM_STORE_SHARED' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_and' > > ../../../.libs//liburcu.so: undefined reference to > > `cmm_smp_mb__after_uatomic_and' > > ../../../.libs//liburcu.so: undefined reference to `CMM_LOAD_SHARED' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_dec' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_add' > > ../../../.libs//liburcu.so: undefined reference to `cmm_smp_rmb' > > ../../../.libs//liburcu.so: undefined reference to `cmm_smp_wmc' > > ../../../.libs//liburcu.so: undefined reference to > > `cmm_smp_mb__before_uatomic_or' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_read' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_xchg' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_sub_return' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_set' > > ../../../.libs//liburcu.so: undefined reference to `cmm_wmb' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_or' > > ../../../.libs//liburcu.so: undefined reference to `cmm_smp_mb' > > ../../../.libs//liburcu.so: undefined reference to `caa_cpu_relax' > > ../../../.libs//liburcu.so: undefined reference to > > `cmm_smp_read_barrier_depends' > > ../../../.libs//liburcu.so: undefined reference to > > `cmm_smp_mb__after_uatomic_or' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_sub' > > ../../../.libs//liburcu.so: undefined reference to `cmm_smp_rmc' > > ../../../.libs//liburcu.so: undefined reference to `cmm_smp_wmb' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_inc' > > ../../../.libs//liburcu.so: undefined reference to `uatomic_cmpxchg > > > > I'm confused about these errors and don't know how to solve these > > error(like > > ../../../.libs//liburcu.so: undefined reference to `CMM_STORE_SHARED'). > > Could you give me some tips about this? > > I am looking foward to your apply . > > > > Thank you, > > > > [Xin He] > > > > Hunan University In China > > -- > Mathieu Desnoyers > EfficiOS Inc. > http://www.efficios.com > > _______________________________________________ > lttng-dev mailing list > lttng-dev@lists.lttng.org > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev