Questions tagged [sysstat]

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pidstat %CPU vs htop %CPU of a process

I'm using the pidstat to monitor the cpu usage of a process and it shows 100%. For the same process the htop or top shows 200% for the same process. The system has 16 cores, and the process i am ...
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2answers
3k views

Can I avoid debian-sa1 lines in my syslog?

My syslog is chock-full of the following: Oct 28 23:35:01 myhost CRON[17705]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1) Oct 28 23:45:01 myhost CRON[18392]: (root) ...
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3answers
612 views

How to retrieve specific cpu, memory and interface statistics only

There is requirement to collect only specific stats like %idle, memfree, available, pmemused etc. I further have to convert the output to a json string and consume it. Is there any UNIX tool which ...
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0answers
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What is the best way to get average aggregation of resource stats in Ubuntu 18?

I am trying to get CPU usage %, RAM usage %, Network usage (receive MBPS, sent MBPS, packets received, packets sent) AVERAGE over a period of time (60 seconds). I have used sysstat and seems to do ...
3
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1answer
787 views

Send sar series to grafana [closed]

sar of sysstat package produces a lot of useful information about system usage regarding various resources; My question (since after a brief query I was unable to find a useful suggestion / solution) ...
0
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1answer
632 views

how to query sar(sysstat) for more than one day data points

I don't see 'sar' command accepts date-and-time as starttime(-s) or endtime(-e) than just time. So, how to query 'sar' for more than one day's data point with older date and times(-f not going to help ...
1
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1answer
3k views

How to put systat/sar in cron on SLES 12?

Before, there was a https://linuxmain.blogspot.de/2011/12/gathering-performance-data-with-sysstat.html For SLES you can install the cron settings by SLES10: /etc/init.d/sysstat start SLES11: /etc/...
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1answer
3k views

Any tool for viewing historical process resource utilization? (IE: A combination of sar and pidstat)

I'm trying to troubleshoot some CPU spikes that occur every so often on a Linux server. I can use sar to see the resource utilization in the past, and pidstat to see what processes are using what ...
1
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3answers
1k views

sun solaris 11.2 sysstat

I've sun solaris 11.2 and I want to install and use sysstat and use it the way I use it on linux-ubuntu to monitor some activities and run cpu and memory checks for certain time intervals. I was ...
2
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1answer
1k views

How to call sadf, so it automatically detects latest sar statistics?

I'm looking for a way to get sadf (from sysstat package) to generate me the csv version of the collected data by sar of the current day. I know that sar keeps it's configuration in /etc/sysstat/...
1
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1answer
2k views

How to enable sadc cron jobs?

I've installed sysstat and no log are generated in /var/log/sysstat when I do sudo /etc/init.d/sysstat status I get * sadc cron jobs are disabled how do I enable sadc cron jobs?
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1answer
408 views

sar shows zero percent load

I have an issue with sar on several machines running ORACLE Linux 6.4. Sometimes it shows zero load (CPU, block device, whatever else), including idle: Why can it happen? sysstat package version is ...
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0answers
1k views

Strange cpu usage values reported by pidstat

I have a script that reports the cpu usage of a specific program reading values from pidstat. The script launches as: pidstat -C ^frontend$ -h -l -p ALL 1 1 The values reported this way sometimes ...
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0answers
129 views

PCI-e SSD - Not visible to sysstat's iostat or sar

I am attempting to get basic statistics during test runs on a server with a PCI-e attached SSD that is mounted on /dev/rssda1, however sar and other sysstat either do not log, or in the case of iostat ...
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3answers
969 views

How to display the time of sadf in epoch format

I have a problem in sadf between ubuntu and centos. The thing is how the date is displayed in both. Ubuntu: root@db1:/usr/local/nagios/libexec/nrpe_local# sadf | head -10 db1.oas3.realmedia.xstrat....
1
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1answer
540 views

Is there any way to view several days of sysstat logs in kSar?

Is there any way to amalgamate days of sysstat logs, so one could view a whole week in kSar for example? Currently I can only see individual days, loaded one at a time, or in separate windows.
1
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2answers
4k views

Is this sar/sysstat cron job formatted correctly?

I want it to give me all the sar/sadc options, interrupts,disk,etc.. every 10 seconds starting at noon for the entire hour. On the second line I want to capture the info in /proc/interrupts every ...