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 "."
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