Author: jhb
Date: Wed Mar 10 21:35:42 2010
New Revision: 204980
URL: http://svn.freebsd.org/changeset/base/204980
Log:
Add descriptions for debug.ktr sysctl nodes.
Modified:
head/sys/kern/kern_ktr.c
Modified: head/sys/kern/kern_ktr.c
==============================================================================
--- head/sys/kern/kern_ktr.c Wed Mar 10 20:55:55 2010 (r204979)
+++ head/sys/kern/kern_ktr.c Wed Mar 10 21:35:42 2010 (r204980)
@@ -84,20 +84,25 @@ SYSCTL_NODE(_debug, OID_AUTO, ktr, CTLFL
int ktr_cpumask = KTR_CPUMASK;
TUNABLE_INT("debug.ktr.cpumask", &ktr_cpumask);
-SYSCTL_INT(_debug_ktr, OID_AUTO, cpumask, CTLFLAG_RW, &ktr_cpumask, 0, "");
+SYSCTL_INT(_debug_ktr, OID_AUTO, cpumask, CTLFLAG_RW, &ktr_cpumask, 0,
+ "Bitmask of CPUs on which KTR logging is enabled.");
int ktr_mask = KTR_MASK;
TUNABLE_INT("debug.ktr.mask", &ktr_mask);
-SYSCTL_INT(_debug_ktr, OID_AUTO, mask, CTLFLAG_RW, &ktr_mask, 0, "");
+SYSCTL_INT(_debug_ktr, OID_AUTO, mask, CTLFLAG_RW, &ktr_mask, 0,
+ "Bitmask of KTR event classes for which logging is enabled.");
int ktr_compile = KTR_COMPILE;
-SYSCTL_INT(_debug_ktr, OID_AUTO, compile, CTLFLAG_RD, &ktr_compile, 0, "");
+SYSCTL_INT(_debug_ktr, OID_AUTO, compile, CTLFLAG_RD, &ktr_compile, 0,
+ "Bitmask of KTR event classes compiled into the kernel.");
int ktr_entries = KTR_ENTRIES;
-SYSCTL_INT(_debug_ktr, OID_AUTO, entries, CTLFLAG_RD, &ktr_entries, 0, "");
+SYSCTL_INT(_debug_ktr, OID_AUTO, entries, CTLFLAG_RD, &ktr_entries, 0,
+ "Number of entries in the KTR buffer.");
int ktr_version = KTR_VERSION;
-SYSCTL_INT(_debug_ktr, OID_AUTO, version, CTLFLAG_RD, &ktr_version, 0, "");
+SYSCTL_INT(_debug_ktr, OID_AUTO, version, CTLFLAG_RD, &ktr_version, 0,
+ "Version of the KTR interface.");
volatile int ktr_idx = 0;
struct ktr_entry ktr_buf[KTR_ENTRIES];
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