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main/astobj2: Make REF_DEBUG a menuselect item; improve REF_DEBUG output

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This patch does the following:
(1) It makes REF_DEBUG a meneselect item. Enabling REF_DEBUG now enables
    REF_DEBUG globally throughout Asterisk.
(2) The ref debug log file is now created in the AST_LOG_DIR directory.
    Every run will now blow away the previous run (as large ref files
    sometimes caused issues). We now also no longer open/close the file
    on each write, instead relying on fflush to make sure data gets written
    to the file (in case the ao2 call being performed is about to cause a
    crash)
(3) It goes with a comma delineated format for the ref debug file. This
    makes parsing much easier. This also now includes the thread ID of the
    thread that caused ref change.
(4) A new python script instead for refcounting has been added in the
    contrib/scripts folder.

Review: https://reviewboard.asterisk.org/r/3377/
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Merged revisions 412114 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 412115 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/12@412153 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Jordan
2014-04-11 02:48:50 +00:00
parent affc775b35
commit eefe5659f6
7 changed files with 284 additions and 100 deletions
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15
channels/chan_sip.c
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@@ -230,21 +230,6 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/network.h"
#include "asterisk/paths.h" /* need ast_config_AST_SYSTEM_NAME */
/*
Uncomment the define below, if you are having refcount related memory leaks.
With this uncommented, this module will generate a file, /tmp/refs, which contains
a history of the ao2_ref() calls. To be useful, all calls to ao2_* functions should
be modified to ao2_t_* calls, and include a tag describing what is happening with
enough detail, to make pairing up a reference count increment with its corresponding decrement.
The refcounter program in utils/ can be invaluable in highlighting objects that are not
balanced, along with the complete history for that object.
In normal operation, the macros defined will throw away the tags, so they do not
affect the speed of the program at all. They can be considered to be documentation.
Note: This must also be enabled in channels/sip/security_events.c
*/
/* #define REF_DEBUG 1 */
#include "asterisk/lock.h"
#include "asterisk/config.h"
#include "asterisk/module.h"