Date: Mon, 9 Mar 2015 04:00:46 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r279802 - head/share/man/man9 Message-ID: <201503090400.t2940kYc051487@svn.freebsd.org>
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Author: markj Date: Mon Mar 9 04:00:46 2015 New Revision: 279802 URL: https://svnweb.freebsd.org/changeset/base/279802 Log: Don't specify a function name in the example SDT(9) probe. As with the module component, it is a bug that the SDT(9) KPI allows one to specify the function component of an SDT probe. Currently, the module component is filled in automatically if left unset; this is not yet true for the function component, but will be addressed by some ongoing work. MFC after: 3 days Modified: head/share/man/man9/SDT.9 Modified: head/share/man/man9/SDT.9 ============================================================================== --- head/share/man/man9/SDT.9 Mon Mar 9 03:50:53 2015 (r279801) +++ head/share/man/man9/SDT.9 Mon Mar 9 04:00:46 2015 (r279802) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd September 18, 2014 +.Dd March 8, 2015 .Dt SDT 9 .Os .Sh NAME @@ -196,13 +196,13 @@ They are meant to be added to executable code in which they are called. .Sh EXAMPLES The following probe definition will create a DTrace probe called -.Ql icmp::unreach:pkt-receive , +.Ql icmp:::receive-unreachable , which would hypothetically be triggered when the kernel receives an ICMP packet of type Destination Unreachable: .Bd -literal -offset indent SDT_PROVIDER_DECLARE(icmp); -SDT_PROBE_DEFINE1(icmp, , unreach, pkt__receive, +SDT_PROBE_DEFINE1(icmp, , , receive__unreachable, "struct icmp *"); .Ed @@ -286,10 +286,10 @@ This manual page was written by .Sh BUGS The .Nm -macros allow the module name of a probe to be specified as part of a probe -definition. -However, the DTrace framework uses the module name of probes to determine -which probes should be destroyed when a kernel module is unloaded, so the module +macros allow the module and function names of a probe to be specified as part of +a probe definition. +The DTrace framework uses the module name of probes to determine which probes +should be destroyed when a kernel module is unloaded, so the module name of a probe should match the name of the module in which its defined. .Nm will set the module name properly if it is left unspecified in the probehome | help
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