Date: Thu, 11 Feb 2021 19:16:43 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 253440] dtrace failing to resolve some fbt probe argument types Message-ID: <bug-253440-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253440 Bug ID: 253440 Summary: dtrace failing to resolve some fbt probe argument types Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: markj@FreeBSD.org We have: > dtrace -lv -n fbt::ifa_alloc:entry ID PROVIDER MODULE FUNCTION NAME 52703 fbt kernel ifa_alloc entry Probe Description Attributes Identifier Names: Private Data Semantics: Private Dependency Class: Unknown Argument Attributes Identifier Names: Private Data Semantics: Private Dependency Class: ISA Argument Types args[0]: (unknown) args[1]: int But: > ctfdump -f /boot/kernel/kernel | grep ifa_alloc [28508] FUNC (ifa_alloc) returns: 533 args: (35, 66) > ctfdump -t /boot/kernel/kernel | grep -B3 '<35>' <32> INTEGER unsigned long encoding=3D0x0 offset=3D0 bits=3D64 <33> TYPEDEF __uint64_t refers to 32 <34> TYPEDEF __size_t refers to 33 <35> TYPEDEF size_t refers to 34 So the type info is there. DTRACE_DEBUG shows libdtrace DEBUG: discovering probe fbt:kernel:ifa_alloc:entry id=3D52703 libdtrace DEBUG: failed to resolve input type size_t for fbt:kernel:ifa_alloc:entry arg #1: syntax error near " --=20 You are receiving this mail because: You are the assignee for the bug.=
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