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e4786b4992
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gnn e4786b4992 Add an mbuf provider to DTrace. 
The mbuf provider is made up of a set of Statically Defined Tracepoints
which help us look into mbufs as they are allocated and freed.  This can be
used to inspect the buffers or for a simplified mbuf leak detector.

New tracepoints are:

mbuf:::m-init
mbuf:::m-gethdr
mbuf:::m-get
mbuf:::m-getcl
mbuf:::m-clget
mbuf:::m-cljget
mbuf:::m-cljset
mbuf:::m-free
mbuf:::m-freem

There is also a translator for mbufs which gives some visibility into the structure,
see mbuf.d for more details.

Reviewed by:	bz, markj
MFC after:	2 weeks
Sponsored by:	Rubicon Communications (Netgate)
Differential Revision:	https://reviews.freebsd.org/D5682
2016-03-22 13:16:52 +00:00
..
colldef Simplify the locale generated Makefiles by using bmake multi variables for loops 2015-12-18 21:34:28 +00:00
ctypedef Use :E instead of regex in ctypedef Makefiles 2015-12-19 12:26:01 +00:00
dict Add META_MODE support. 2015-06-13 19:20:56 +00:00
doc Rename the /usr/share/doc/legal files to driver.LICENSE to work around 2015-10-16 00:38:05 +00:00
dtrace Add an mbuf provider to DTrace. 2016-03-22 13:16:52 +00:00
examples META_MODE: Simplify the META_COOKIE handling to use .USE/.USEBEFORE. 2016-03-11 23:45:28 +00:00
i18n Remove exists() checks so normal out-of-date handling can be used. 2016-03-11 23:45:36 +00:00
keys META MODE: Update dependencies with 'the-lot' and add missing directories. 2015-12-01 05:23:19 +00:00
locale-links META MODE: Update dependencies with 'the-lot' and add missing directories. 2015-12-01 05:23:19 +00:00
man Document openat(2) behavior. 2016-03-21 20:29:49 +00:00
me Add META_MODE support. 2015-06-13 19:20:56 +00:00
misc Add myself as a ports committer 2016-03-05 11:20:02 +00:00
mk Update to bmake-20160315 2016-03-18 20:03:09 +00:00
monetdef Simplify the locale generated Makefiles by using bmake multi variables for loops 2015-12-18 21:34:28 +00:00
msgdef Simplify the locale generated Makefiles by using bmake multi variables for loops 2015-12-18 21:34:28 +00:00
numericdef Simplify the locale generated Makefiles by using bmake multi variables for loops 2015-12-18 21:34:28 +00:00
security META MODE: These need object directories to handle staging. 2015-11-26 01:14:27 +00:00
sendmail META_MODE: Simplify the META_COOKIE handling to use .USE/.USEBEFORE. 2016-03-11 23:45:28 +00:00
skel Use more appropriate ${SHAREDIR} rather than /usr/share. 2015-10-27 23:35:02 +00:00
snmp Add META_MODE support. 2015-06-13 19:20:56 +00:00
syscons Add more SUBDIR_PARALLEL. 2015-10-15 22:55:08 +00:00
tabset Add META_MODE support. 2015-06-13 19:20:56 +00:00
termcap Replace ln -s calls with INSTALL_SYMLINK 2015-12-04 03:17:14 +00:00
tests DIRDEPS_BUILD: Connect MK_TESTS. 2016-03-09 22:46:01 +00:00
timedef Restore a day of the week in date(1) output for Japanese locales. 2015-12-20 14:59:30 +00:00
vt Remove uudecode make rule for vt fonts 2016-02-29 18:35:16 +00:00
zoneinfo META_MODE: Simplify the META_COOKIE handling to use .USE/.USEBEFORE. 2016-03-11 23:45:28 +00:00
Makefile Merge from head 2015-10-19 11:51:10 +00:00
Makefile.inc