svn commit: r267403 - stable/9/sys/sys

[Ed Maste]

Author: emaste
Date: Thu Jun 12 15:59:36 2014
New Revision: 267403
URL: http://svnweb.freebsd.org/changeset/base/267403

Log:
  MFC r266171, r266174 by gnn:
  
    Update the amount of data we can collect for hwpmc(4) by default
    to work with modern processors and available memory.
  
    Upgrade the default callchain depth
  
  Approved by:	re

Modified:
  stable/9/sys/sys/pmc.h
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/sys/   (props changed)

Modified: stable/9/sys/sys/pmc.h
==============================================================================
--- stable/9/sys/sys/pmc.h	Thu Jun 12 15:46:24 2014	(r267402)
+++ stable/9/sys/sys/pmc.h	Thu Jun 12 15:59:36 2014	(r267403)
@@ -593,12 +593,12 @@ 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_CALLCHAIN_DEPTH			8
+#define	PMC_NLOGBUFFERS				1024
+#define	PMC_NSAMPLES				1024
+#define	PMC_CALLCHAIN_DEPTH			16
 
 #define PMC_SYSCTL_NAME_PREFIX "kern." PMC_MODULE_NAME "."