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authorjkoshy <jkoshy@FreeBSD.org>2003-11-10 04:34:51 +0000
committerjkoshy <jkoshy@FreeBSD.org>2003-11-10 04:34:51 +0000
commit382ccc28a4a092322844ecd1fa9e162968e3a12b (patch)
tree571b9e2f2d7e2780229b055b36f9eeb025ad96bc /lib/libc/sys/ktrace.2
parentd78e17d18b70e0442e87923072c0dee6a55dbaea (diff)
downloadFreeBSD-src-382ccc28a4a092322844ecd1fa9e162968e3a12b.zip
FreeBSD-src-382ccc28a4a092322844ecd1fa9e162968e3a12b.tar.gz
Document KTR_DROP.
Diffstat (limited to 'lib/libc/sys/ktrace.2')
-rw-r--r--lib/libc/sys/ktrace.29
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/libc/sys/ktrace.2 b/lib/libc/sys/ktrace.2
index 9900dbc..5bc8210 100644
--- a/lib/libc/sys/ktrace.2
+++ b/lib/libc/sys/ktrace.2
@@ -161,6 +161,15 @@ The kernel was not compiled with
.Nm
support.
.El
+.Pp
+A thread may be unable to post one or more tracing requests due to a
+temporary shortage of resources.
+This condition is remembered by the kernel, and the next tracing request
+that succeeds will have the flag
+.Li KTR_DROP
+set in its
+.Va ktr_type
+field.
.Sh SEE ALSO
.Xr kdump 1 ,
.Xr ktrace 1 ,
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