I'm finding the same symptoms from gnome-shell, relatively high cpu use by gnome-shell with all extenstions deisabled (if I turn on extensions the cpu usages is ridiculous high, in the range of 20-50%). I checked strace as above and am finding the same high number of errors from the recvmsg call:
strace: Process 1321 detached % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 39.28 1.151799 7 168623 145929 recvmsg 24.30 0.712624 14 52590 poll 12.08 0.354380 9 41109 ioctl 8.01 0.234871 12 18865 writev 6.37 0.186740 7 26188 write 4.18 0.122557 5 23811 getpid 2.65 0.077663 7 11653 read 1.26 0.036853 5 7852 mprotect -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773959 Title: High CPU usage by gnome-shell when only running gnome-terminal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1773959/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
