Add a new trace point, KTRFAC_CAPFAIL, which traces capability check

failures.  It is included in the default set for ktrace(1) and kdump(1).

3 files changed, 10 insertions, 5 deletions

diff --git a/usr.bin/ktrace/ktrace.1 b/usr.bin/ktrace/ktrace.1
index 9cff05b021cc..86f23ef86537 100644
--- a/usr.bin/ktrace/ktrace.1
+++ b/usr.bin/ktrace/ktrace.1
@@ -28,7 +28,7 @@
 .\"	@(#)ktrace.1	8.1 (Berkeley) 6/6/93
 .\" $FreeBSD$
 .\"
-.Dd February 23, 2008
+.Dd October 10, 2011
 .Dt KTRACE 1
 .Os
 .Sh NAME
@@ -113,6 +113,8 @@ trace
 .Tn I/O
 .It Cm n
 trace namei translations
+.It Cm p
+trace capability check failures
 .It Cm s
 trace signal processing
 .It Cm t
@@ -127,7 +129,7 @@ trace
 requests
 .It Cm +
 trace the default set of trace points -
-.Cm c , i , n , s , t , u , y
+.Cm c , i , n , p , s , t , u , y
 .El
 .It Ar command
 Execute
diff --git a/usr.bin/ktrace/ktrace.h b/usr.bin/ktrace/ktrace.h
index 5e38d68e0dd7..e4e4dbff8c65 100644
--- a/usr.bin/ktrace/ktrace.h
+++ b/usr.bin/ktrace/ktrace.h
@@ -32,7 +32,7 @@
 
 #define DEF_POINTS (KTRFAC_SYSCALL | KTRFAC_SYSRET | KTRFAC_NAMEI | \
 		    KTRFAC_GENIO | KTRFAC_PSIG | KTRFAC_USER | \
-		    KTRFAC_STRUCT | KTRFAC_SYSCTL)
+		    KTRFAC_STRUCT | KTRFAC_SYSCTL | KTRFAC_CAPFAIL)
 
 #define PROC_ABI_POINTS (KTRFAC_PROCCTOR | KTRFAC_PROCDTOR)
 
diff --git a/usr.bin/ktrace/subr.c b/usr.bin/ktrace/subr.c
index 30b6b4ddffbe..5051de848c29 100644
--- a/usr.bin/ktrace/subr.c
+++ b/usr.bin/ktrace/subr.c
@@ -61,11 +61,14 @@ getpoints(char *s)
 		case 'c':
 			facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET;
 			break;
+		case 'i':
+			facs |= KTRFAC_GENIO;
+			break;
 		case 'n':
 			facs |= KTRFAC_NAMEI;
 			break;
-		case 'i':
-			facs |= KTRFAC_GENIO;
+		case 'p':
+			facs |= KTRFAC_CAPFAIL;
 			break;
 		case 's':
 			facs |= KTRFAC_PSIG;