[Bug 269906] dtrace requires empty expression to print anything from matching search
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Date: Thu, 02 Mar 2023 01:33:49 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269906 Bug ID: 269906 Summary: dtrace requires empty expression to print anything from matching search Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: freebsd@igalic.co example: root@freebsd:~ # dtrace -n 'kinst::virtqueue_poll: /cpu == 1/' dtrace: invalid probe specifier kinst::virtqueue_poll: /cpu == 1/: syntax error near end of input the same command with an empty expression: root@freebsd:~ # dtrace -n 'kinst::virtqueue_poll: /cpu == 1/{}' | head dtrace: description 'kinst::virtqueue_poll: ' matched 83 probes CPU ID FUNCTION:NAME 1 73362 virtqueue_poll:137 1 73363 virtqueue_poll:141 1 73364 virtqueue_poll:144 1 73365 virtqueue_poll:151 1 73366 virtqueue_poll:155 1 73367 virtqueue_poll:158 1 73355 virtqueue_poll:112 1 73356 virtqueue_poll:115 1 73357 virtqueue_poll:118 dtrace: failed to write to <stdout>: Broken pipe root@freebsd:~ # -- You are receiving this mail because: You are the assignee for the bug.