Obtaining real-time values of system parameters or events (processor load, server responsiveness, intrusion attempts, …), or getting alerted when certain events happen

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22
votes
4answers
26k views

How to monitor CPU/memory usage of a single process?

I would like to monitor one process's memory / cpu usage in real time. Similar to top but targeted at only one process, preferably with a history graph of some sort.
7
votes
3answers
443 views

How to track down memory spikes?

I have an app running on rackspace cloud (ubuntu 10.04). For some reason, over the last 3 nights, the memory has been spiking and then leveling off for about 7 hours before eventually falling off. ...
4
votes
2answers
696 views

Desktop overlay program showing CPU, HDD, etc. stats

In different screenshots of people's linux desktops, I've seen different apps that overlay the desktop with information about their computer. Often this gadget/app shows CPU and HDD information. ...