Difference between revisions of "Sar -d"
Jump to navigation
Jump to search
| Line 20: | Line 20: | ||
== Activities == | == Activities == | ||
| − | + | # Review read, write and load of block devices using <code>sar</code> and <code>[[awk]]</code> | |
| − | + | ::<code>DEVICE="dev253"; for i in `ls -1 /var/log/sysstat/sa??`; do echo $i; sar -f $i -d | awk '$6>90000' | grep $DEVICE | grep -v "^0" ; done</code> | |
| − | |||
== See also == | == See also == | ||
Revision as of 12:58, 18 December 2019
sar -dTo report disk (block devices) activity. See alsoiostat -x.
sar -d 02:45:01 PM DEV tps rkB/s wkB/s areq-sz aqu-sz await svctm %util 02:46:01 PM dev7-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 PM dev7-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 PM dev7-2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
%iowait column from sar command also provide information about disk I/O requests.
sar 01:12:01 PM CPU %user %nice %system %iowait %steal %idle 01:13:01 PM all 2.99 0.00 6.58 7.13 0.00 83.30 01:14:01 PM all 5.39 0.00 2.30 6.70 0.00 85.61 01:15:01 PM all 4.80 0.00 0.96 8.91 0.00 85.33 01:16:01 PM all 4.65 0.00 0.64 6.19 0.00 88.52
Activities
- Review read, write and load of block devices using
sarandawk
DEVICE="dev253"; for i in `ls -1 /var/log/sysstat/sa??`; do echo $i; sar -f $i -d | awk '$6>90000' | grep $DEVICE | grep -v "^0" ; done
See also
Advertising:
