(gdb) info threads
  Id   Target Id         Frame 
  32   LWP 9585          pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
  31   LWP 9550          0x00007f98c8fe1eb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
  30   LWP 9549          Checkpoint::getMemoryOverhead (this=<optimized out>) at /usr/local/include/c++/7.3.0/ext/atomicity.h:53
  29   LWP 9548          syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  28   LWP 9547          syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  27   LWP 9546          ebin_cmp (e1=<optimized out>, e2=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/util.cc:24
  26   LWP 9544          load (__m=std::memory_order_seq_cst, this=0x7f983c3c0133) at /usr/local/include/c++/7.3.0/bits/atomic_base.h:396
  25   LWP 9543          splitHash (hash=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/container/detail/F14Table.h:1110
  24   LWP 9541          syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  23   LWP 9540          syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  22   LWP 9539          syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  21   LWP 9538          syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  20   LWP 9537          pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
  19   LWP 9162          pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  18   LWP 9161          pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  17   LWP 9160          pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  16   LWP 9159          pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  15   LWP 9158          0x00007f98c8fe1eb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
  14   LWP 9157          __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
  13   LWP 9156          0x00007f98c8fe1eb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
  12   LWP 9155          0x00007f98c8fe1eb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
  11   LWP 9154          pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
  10   LWP 9153          pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
  9    LWP 9152          0x00007f98c8fd6c3d in poll () at ../sysdeps/unix/syscall-template.S:81
  8    LWP 9151          pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  7    LWP 9150          pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  6    LWP 9149          0x00007f98c8fd6c3d in poll () at ../sysdeps/unix/syscall-template.S:81
  5    LWP 9148          pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
  4    LWP 9147          pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
  3    LWP 9146          pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
  2    LWP 9145          0x00007f98c8fe1eb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
* 1    LWP 9545          0x00007f98c8f19387 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
(gdb)