d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

add a command to calculate the ratios of cnt_hold and cnt_lock to locks

Browse Source 
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)
This commit is contained in:
John-Mark Gurney 2004-07-27 00:36:53 +00:00
parent a31f99f887
commit 03c439e6e0
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/tools/mtxstat/mtxratio.sh Normal file
View File

@ -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 }'