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tty info (^T): Add optional kernel stack(9) traces

Description

tty info (^T): Add optional kernel stack(9) traces

It is often useful for developers and administrators to determine a running
thread's stack for debugging purposes. With this feature, using ^T will
print that information

For now, the feature is disabled by default. Enable with sysctl
kern.tty_info_kstacks=1.

Discussed with: markj
Reviewed by: oshogbo
Relnotes: yes
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D17621

Details

Committed
cemOct 20 2018, 6:42 PM
Reviewer
oshogbo
Differential Revision
D17621: tty info (^T): Add optional kernel stack(9) traces
Parents
rS339470: pf synproxy will do the 3WHS on behalf of the target machine, and once
Branches
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