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| author | jkoshy <jkoshy@FreeBSD.org> | 2008-09-19 13:17:22 +0000 |
|---|---|---|
| committer | jkoshy <jkoshy@FreeBSD.org> | 2008-09-19 13:17:22 +0000 |
| commit | 7b7904fe0cb75ea64eed08f11b44ffad6bcb87eb (patch) | |
| tree | 8ab2d8c9d1bbf549cc88c15f5a03f7dd9b208c9d /usr.sbin | |
| parent | ce45fb3cfc17b707191271c782c7b7b9060f5065 (diff) | |
| download | FreeBSD-src-7b7904fe0cb75ea64eed08f11b44ffad6bcb87eb.zip FreeBSD-src-7b7904fe0cb75ea64eed08f11b44ffad6bcb87eb.tar.gz | |
Add an example illustrating the use sleep(1) for performing timed
measurements.
Diffstat (limited to 'usr.sbin')
| -rw-r--r-- | usr.sbin/pmcstat/pmcstat.8 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/usr.sbin/pmcstat/pmcstat.8 b/usr.sbin/pmcstat/pmcstat.8 index 1c48dc6..7361ceb 100644 --- a/usr.sbin/pmcstat/pmcstat.8 +++ b/usr.sbin/pmcstat/pmcstat.8 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd June 29, 2008 +.Dd September 19, 2008 .Os .Dt PMCSTAT 8 .Sh NAME @@ -303,11 +303,16 @@ and measure the number of data cache misses suffered by it and its children every 12 seconds on an AMD Athlon, use: .Dl "pmcstat -d -w 12 -p k7-dc-misses mozilla" .Pp -To measure processor instructions retired for all processes named +To measure instructions retired for all processes named .Dq emacs use: .Dl "pmcstat -t '^emacs$' -p instructions" .Pp +To measure instructions retired for processes named +.Dq emacs +for a period of 10 seconds use: +.Dl "pmcstat -t '^emacs$' -p instructions sleep 10" +.Pp To count instruction tlb-misses on CPUs 0 and 2 on a Intel Pentium Pro/Pentium III SMP system use: .Dl "pmcstat -c 0,2 -s p6-itlb-miss" |
