Author: markj
Date: Thu Mar 12 01:03:04 2015
New Revision: 279895
URL: https://svnweb.freebsd.org/changeset/base/279895
Log:
MFC r279802: Don't specify a function name in the example SDT(9) probe.
Modified:
stable/10/share/man/man9/SDT.9
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/share/man/man9/SDT.9
==============================================================================
--- stable/10/share/man/man9/SDT.9 Wed Mar 11 20:15:49 2015
(r279894)
+++ stable/10/share/man/man9/SDT.9 Thu Mar 12 01:03:04 2015
(r279895)
@@ -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 probe
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