Add a simple 'intrcnt_add' function that other MD code can use to add a

single named counter to the interrupt counts without having to fake up an
entire interrupt source.

2 files changed, 12 insertions, 0 deletions

diff --git a/sys/i386/i386/intr_machdep.c b/sys/i386/i386/intr_machdep.c
index 97a3748..0c5f6af 100644
--- a/sys/i386/i386/intr_machdep.c
+++ b/sys/i386/i386/intr_machdep.c
@@ -286,6 +286,17 @@ intrcnt_register(struct intsrc *is)
 	is->is_straycount = &intrcnt[is->is_index + 1];
 }
 
+void
+intrcnt_add(const char *name, u_long **countp)
+{
+
+	mtx_lock_spin(&intr_table_lock);
+	*countp = &intrcnt[intrcnt_index];
+	intrcnt_setname(name, intrcnt_index);
+	intrcnt_index++;
+	mtx_unlock_spin(&intr_table_lock);
+}
+
 static void
 intr_init(void *dummy __unused)
 {
diff --git a/sys/i386/include/intr_machdep.h b/sys/i386/include/intr_machdep.h
index af9e672..a988063 100644
--- a/sys/i386/include/intr_machdep.h
+++ b/sys/i386/include/intr_machdep.h
@@ -100,6 +100,7 @@ int	intr_register_source(struct intsrc *isrc);
 int	intr_remove_handler(void *cookie);
 void	intr_resume(void);
 void	intr_suspend(void);
+void	intrcnt_add(const char *name, u_long **countp);
 
 #endif	/* !LOCORE */
 #endif	/* _KERNEL */