Date: Wed, 9 May 2012 23:20:17 GMT From: Ryan Stone <rstone@FreeBSD.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/167763: lockstat provider probes don't always fire Message-ID: <201205092320.q49NKH5Q091457@red.freebsd.org> Resent-Message-ID: <201205092330.q49NU1mo044348@freefall.freebsd.org>
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>Number: 167763 >Category: kern >Synopsis: lockstat provider probes don't always fire >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed May 09 23:30:01 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Ryan Stone >Release: 8.2-RELEASE >Organization: >Environment: >Description: If a lock is acquired or released in the inlined fastpath, the appropriate lockstat probe will not fire if the .c file has not included "opt_kdtrace.h". This is because the mtx_(un)lock macros do not call the probe if KDTRACE_HOOKS is not defined. >How-To-Repeat: >Fix: KDTRACE_HOOKS may have to move into "opt_global.h" >Release-Note: >Audit-Trail: >Unformatted:
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