From 9970fd6d95161d0b6cebe70488d08f628b8fb69c Mon Sep 17 00:00:00 2001
From: "George V. Neville-Neil" <gnn@FreeBSD.org>
Date: Thu, 15 May 2014 18:46:16 +0000
Subject: [PATCH] Update the amount of data we can collect for hwpmc(4) by
 default to work with modern processors and available memory.

Submitted by:	Julien Charbon
MFC after:	2 weeks
---
 sys/sys/pmc.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sys/sys/pmc.h b/sys/sys/pmc.h
index c20c39813002..7a9ee4e36325 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 "."