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head/cddl/contrib/opensolaris/cmd/lockstat/lockstat.1
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.\" fields enclosed by brackets "[]" replaced with your own identifying | .\" fields enclosed by brackets "[]" replaced with your own identifying | ||||
.\" information: Portions Copyright [yyyy] [name of copyright owner] | .\" information: Portions Copyright [yyyy] [name of copyright owner] | ||||
.\" | .\" | ||||
.\" CDDL HEADER END | .\" CDDL HEADER END | ||||
.\" Copyright (c) 2008, Sun Microsystems, Inc. All Rights Reserved. | .\" Copyright (c) 2008, Sun Microsystems, Inc. All Rights Reserved. | ||||
.\" | .\" | ||||
.\" $FreeBSD$ | .\" $FreeBSD$ | ||||
.\" | .\" | ||||
.Dd September 29, 2015 | .Dd February 25, 2020 | ||||
.Dt LOCKSTAT 1 | .Dt LOCKSTAT 1 | ||||
.Os | .Os | ||||
.Sh NAME | .Sh NAME | ||||
.Nm lockstat | .Nm lockstat | ||||
.Nd report kernel lock and profiling statistics | .Nd report kernel lock and profiling statistics | ||||
.Sh SYNOPSIS | .Sh SYNOPSIS | ||||
.Nm | .Nm | ||||
.Op Fl ACEHIV | .Op Fl ACEHIV | ||||
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------------------------------------------------------------------------------- | ------------------------------------------------------------------------------- | ||||
[...] | [...] | ||||
.Ed | .Ed | ||||
.El | .El | ||||
.Sh SEE ALSO | .Sh SEE ALSO | ||||
.Xr dtrace 1 , | .Xr dtrace 1 , | ||||
.Xr ksyms 4 , | .Xr ksyms 4 , | ||||
.Xr locking 9 | .Xr locking 9 | ||||
.Sh HISTORY | |||||
The | |||||
.Nm | |||||
utility first appeared in | |||||
.Fx 7.1 . | |||||
.Sh NOTES | .Sh NOTES | ||||
Tail-call elimination can affect call sites. | Tail-call elimination can affect call sites. | ||||
For example, if | For example, if | ||||
.Fn foo Ns +0x50 | .Fn foo Ns +0x50 | ||||
calls | calls | ||||
.Fn bar | .Fn bar | ||||
and the last thing | and the last thing | ||||
.Fn bar | .Fn bar | ||||
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