Date: Fri, 2 Mar 2018 18:57:00 +0000 (UTC) From: Warren Block <wblock@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r330290 - head/share/man/man4 Message-ID: <201803021857.w22Iv0Kf059639@repo.freebsd.org>
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Author: wblock (doc committer) Date: Fri Mar 2 18:57:00 2018 New Revision: 330290 URL: https://svnweb.freebsd.org/changeset/base/330290 Log: Clarity and style fixes. Sponsored by: iXsystems Modified: head/share/man/man4/dtrace_lockstat.4 Modified: head/share/man/man4/dtrace_lockstat.4 ============================================================================== --- head/share/man/man4/dtrace_lockstat.4 Fri Mar 2 18:48:07 2018 (r330289) +++ head/share/man/man4/dtrace_lockstat.4 Fri Mar 2 18:57:00 2018 (r330290) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd July 3, 2017 +.Dd March 2, 2018 .Dt DTRACE_LOCKSTAT 4 .Os .Sh NAME @@ -58,19 +58,19 @@ provider allows the tracing of events related to locki .Fx . .Pp The -.Nm lockstat -provider contains DTrace probes for inspecting the kernel's lock +.Nm +provider contains DTrace probes for inspecting kernel lock state transitions. Probes exist for the .Xr mutex 9 , -.Xr rwlock 9 +.Xr rwlock 9 , and .Xr sx 9 lock types. The .Xr lockstat 1 utility can be used to collect and display data collected from the -.Nm lockstat +.Nm provider. Each type of lock has .Fn acquire @@ -125,7 +125,7 @@ and probes fire when a .Dv MTX_SPIN .Xr mutex 9 -is acquired and released, respectively. +is acquired or released, respectively. The only argument is a pointer to the lock structure which describes the lock being acquired or released. .Pp @@ -151,7 +151,7 @@ and .Fn lockstat:::rw-release probes fire when a .Xr rwlock 9 -is acquired and released, respectively. +is acquired or released, respectively. The first argument is a pointer to the structure which describes the lock being acquired. The second argument is @@ -210,7 +210,7 @@ and .Fn lockstat:::sx-release probes fire when a .Xr sx 9 -is acquired and released, respectively. +is acquired or released, respectively. The first argument is a pointer to the structure which describes the lock being acquired. The second argument is @@ -281,14 +281,14 @@ in nanoseconds, that the thread was spinning. .Xr sx 9 .Sh HISTORY The -.Nm lockstat +.Nm provider first appeared in Solaris. The .Fx implementation of the -.Nm lockstat +.Nm provider first appeared in -.Fx 9. +.Fx 9 . .Sh AUTHORS This manual page was written by .An George V. Neville-Neil Aq Mt gnn@FreeBSD.org .
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