Linux – Monitoring linux processes

linuxtop

Is there an option for linux top command where i can filter processes by name?

For example, I only want to monitor python processes (there are several of them), and I'd like to do something like top -option "python" or something like that.

Best Answer

When you want information on processes, the answer is always ps

It is simple, and yet it has a ridiculous number of options.

Try this one:

ps -eo pcpu,pid,user,args | sort -k 1 -r | head -10

Should give you the top 10, by cpu usage.

Related Solutions

Linux Hard Disk Load – How to Monitor Hard Disk Load on Linux

You can get a pretty good measure of this using the iostat tool.

% iostat -dx /dev/sda 5

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
sda               0.78    11.03    1.19    2.82    72.98   111.07    45.80     0.13   32.78   1.60   0.64

The disk utilisation is listed in the last column. This is defined as

Percentage of CPU time during which I/O requests were issued to the device (band-width utilization for the device). Device saturation occurs when this value is close to 100%.

Linux – Identify spawned processes

I think that the number of processes forked per sec is a bit too high on one of the servers

I don't think so. As my understanding, all the child processes will be forked when the parent process starting. So, it's not too many as you think.

How can I monitor what processes are spawned?

You can do it by combination of ps and watch command (paging version):

watch 'ps -eo ppid,pid,comm --forest'

Best Answer

Related Solutions

Linux Hard Disk Load – How to Monitor Hard Disk Load on Linux

Linux – Identify spawned processes

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