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freebsd-dev/sys/amd64/conf
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Conrad Meyer 8532d381a9 Add BUF_TRACKING and FULL_BUF_TRACKING buffer debugging 
Upstream the BUF_TRACKING and FULL_BUF_TRACKING buffer debugging code.
This can be handy in tracking down what code touched hung bios and bufs
last. The full history is especially useful, but adds enough bloat that
it shouldn't be enabled in release builds.

Function names (or arbitrary string constants) are tracked in a
fixed-size ring in bufs. Bios gain a pointer to the upper buf for
tracking. SCSI CCBs gain a pointer to the upper bio for tracking.

Reviewed by:	markj
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D8366
2016-10-31 23:09:52 +00:00
..
DEFAULTS
GENERIC Add BUF_TRACKING and FULL_BUF_TRACKING buffer debugging 2016-10-31 23:09:52 +00:00
GENERIC-NODEBUG Add BUF_TRACKING and FULL_BUF_TRACKING buffer debugging 2016-10-31 23:09:52 +00:00
GENERIC.hints Polish wbwd(4) driver and add more supported chips. 2016-03-24 20:52:35 +00:00
Makefile
MINIMAL Enable DEVICE_NUMA with up to 8 domains by default on amd64. 2016-04-12 21:23:44 +00:00
NOTES Move the ConnectX-3 and ConnectX-2 driver from sys/ofed into sys/dev/mlx4 2016-09-30 08:23:06 +00:00