On Thu, Jun 30, 2016 at 10:13 AM, Yan, Zheng <ukernel@xxxxxxxxx> wrote: > On Tue, Jun 28, 2016 at 2:04 AM, Haomai Wang <haomai@xxxxxxxx> wrote: >> Hi all, >> >> anyone who knows what's the special thing with TmapMigratePP.DataScan >> case. When I introduce thread_local variable in >> PR(https://github.com/ceph/ceph/pull/9783/files#diff-254a8401d238ec25c714a5596f85b5ebL64), >> it always failed because the thread local variable is assigned to zero >> when execute this test! >> > > thread_local is not portable. In your case, using thread_local > variable is not necessary, you can use pthread_self() directly. > > As I know pthread_self() return 0 if the program isn't linked to libpthread.so > yes, I have changed to pthread_self > >> For example, when tid == 512596224 local_center should be 5fed4e48, >> but after begin this test case, this thread_local variable is assigned >> to zero!: >> tid=-512596224 local_center=5fed4e48 this=5fed4e48 >> [New Thread 0x7fffdef21700 (LWP 11835)] >> tid=-512596224 local_center=5fed4e48 this=5fed4e48 >> [New Thread 0x7fffde720700 (LWP 11836)] >> [New Thread 0x7fffddf1f700 (LWP 11837)] >> [New Thread 0x7fffdd71e700 (LWP 11838)] >> [New Thread 0x7fffdcf1d700 (LWP 11839)] >> [New Thread 0x7fffdc71c700 (LWP 11840)] >> [New Thread 0x7fffdbf1b700 (LWP 11841)] >> tid=-134366272 local_center=0 this=5fed4e48 >> tid=-134366272 local_center=0 this=5fed4e48 >> tid=-134366272 local_center=0 this=5fed4e48 >> tid=-512596224 local_center=0 this=5fed4e48 >> >> >> QA job:http://qa-proxy.ceph.com/teuthology/haomai-2016-06-27_03:55:04-rados-wip-haomai-testing---basic-smithi/279412/teuthology.log >> >> This can be repeated locally and I want to know what's the difference >> this case introduced >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
