Author: gnn
Date: Thu May 15 18:46:16 2014
New Revision: 266171
URL: http://svnweb.freebsd.org/changeset/base/266171
Log:
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
Modified:
head/sys/sys/pmc.h
Modified: head/sys/sys/pmc.h
==============================================================================
--- head/sys/sys/pmc.h Thu May 15 18:38:19 2014 (r266170)
+++ head/sys/sys/pmc.h Thu May 15 18:46:16 2014 (r266171)
@@ -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 "."
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