From 90290e8fb7f8cb40d89b8c69b4744a8af26e087d Mon Sep 17 00:00:00 2001
From: jmg <jmg@FreeBSD.org>
Date: Tue, 27 Jul 2004 00:36:53 +0000
Subject: add a command to calculate the ratios of cnt_hold and cnt_lock to
 locks from mutex profiling...  This takes cnt_* and divides it by count, so
 lower is better...

Sample command:
sh mtxpercent.sh | sort -rn +7 -8

SEE ALSO
	MUTEX_PROFILING(9)
---
 tools/tools/mtxstat/mtxratio.sh | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 tools/tools/mtxstat/mtxratio.sh

(limited to 'tools/tools/mtxstat')

diff --git a/tools/tools/mtxstat/mtxratio.sh b/tools/tools/mtxstat/mtxratio.sh
new file mode 100644
index 0000000..02a66a9
--- /dev/null
+++ b/tools/tools/mtxstat/mtxratio.sh
@@ -0,0 +1,2 @@
+# $FreeBSD$
+sysctl debug.mutex.prof.stats | awk '$1 ~ /[0-9]+/ { if ($3 != 0) { hld_prc = $5 / $3 * 100; lck_prc = $6 / $3 * 100 } else { hld_prc = 0; lck_prc = 0 } print $1 " " $2 " " $3 " " $4 " " $5 " " hld_prc " " $6 " " lck_prc " " substr($0, index($0, $7)); next } { print }'
-- 
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