diff --git a/sys/sys/pmc.h b/sys/sys/pmc.h
index bfcb4649bc1d..49454ec89f35 100644
--- a/sys/sys/pmc.h
+++ b/sys/sys/pmc.h
@@ -89,6 +89,7 @@
 	__PMC_CPU(INTEL_SANDYBRIDGE, 0x8D,   "Intel Sandy Bridge") \
 	__PMC_CPU(INTEL_XSCALE,	0x100,	"Intel XScale") \
 	__PMC_CPU(MIPS_24K,     0x200,  "MIPS 24K")  \
+	__PMC_CPU(MIPS_OCTEON,  0x201,  "Cavium Octeon")  \
 	__PMC_CPU(PPC_7450,     0x300,  "PowerPC MPC7450")
 
 enum pmc_cputype {
@@ -116,7 +117,8 @@ enum pmc_cputype {
 	__PMC_CLASS(UCF)	/* Intel Uncore fixed function */	\
 	__PMC_CLASS(UCP)	/* Intel Uncore programmable */		\
 	__PMC_CLASS(XSCALE)	/* Intel XScale counters */		\
-	__PMC_CLASS(MIPS24K)    /* MIPS 24K */ \
+	__PMC_CLASS(MIPS24K)	/* MIPS 24K */				\
+	__PMC_CLASS(OCTEON)	/* Cavium Octeon */			\
 	__PMC_CLASS(PPC7450)	/* Motorola MPC7450 class */
 
 enum pmc_class {