diff --git a/sys/sys/pmc.h b/sys/sys/pmc.h
index c20c3981300..7a9ee4e3632 100644
--- a/sys/sys/pmc.h
+++ b/sys/sys/pmc.h
@@ -598,11 +598,11 @@ struct pmc_op_getdyneventinfo {
 
 #include <machine/frame.h>
 
-#define	PMC_HASH_SIZE				16
-#define	PMC_MTXPOOL_SIZE			32
+#define	PMC_HASH_SIZE				1024
+#define	PMC_MTXPOOL_SIZE			2048
 #define	PMC_LOG_BUFFER_SIZE			4
-#define	PMC_NLOGBUFFERS				64
-#define	PMC_NSAMPLES				512
+#define	PMC_NLOGBUFFERS				1024
+#define	PMC_NSAMPLES				1024
 #define	PMC_CALLCHAIN_DEPTH			8
 
 #define PMC_SYSCTL_NAME_PREFIX "kern." PMC_MODULE_NAME "."