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boottrace: Add corresponding sysctl knob for loader tunable

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The loader tunable 'kern.boottrace.table_size' does not have
corresponding sysctl MIB entry. Add it so that it can be retrieved,
and `sysctl -T` will also report it correctly.

Reviewed by:	markj
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D42138

(cherry picked from commit 51dc362d1a148362dc4cfacaa3629db928523204)
This commit is contained in:
Zhenlei Huang 2023-10-12 18:14:48 +08:00
parent 68513b4102
commit c525ec74b4
1 changed files with 4 additions and 0 deletions
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4
sys/kern/kern_boottrace.c
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@ -158,6 +158,10 @@ SYSCTL_INT(_kern_boottrace, OID_AUTO, shutdown_trace_threshold, CTLFLAG_RWTUN,
&shutdown_trace_threshold, 0,
"Tracing threshold (ms) below which tracing is ignored");
SYSCTL_UINT(_kern_boottrace, OID_AUTO, table_size,
CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &bt.size, 0,
"Boot-time tracing table size");
/*
* Dump a trace to buffer or if buffer is NULL to console.
*