An interactive system and process monitoring program for Linux-based operating systems. #System monitor #Process monitor #System administration #Top #System #Process
Atop is an open source project that provides users with a sophisticated and interactive process viewer, system monitoring and task manager software that runs entirely from the Linux console or any X11 terminal emulator application.
Key features include highlight of critical resources, ability to view only activities or deviations, permanent logging of resource utilization, scalable window width, accumulated process activity per user or program, view network activity per process.
It uses all relevant resources of a Linux system, including CPU, RAM and SWAP, as well as network utilization and disk I/O, displays resource utilization by all processes that were active at a certain moment.
The application has been designed from the ground up as a drop-in replacement for the old-school Top process viewer program found in almost all Linux-based operating systems, as well as various under Unices like BSD or Solaris.
Its Ncurses-bases ASCII user interface comprises two main view areas of almost the same size and look, as opposed to the ones of traditional top programs, such as Unix Top or Htop. Both areas are updated on a regular basis, in real time.
On the upper part it displays detailed information about system-level activity regarding the current utilization of CPU, system memory, Swap partition, disks and network interfaces. This is the system monitoring part of the application.
On the second part, the application displays the current running processes that uses the CPU (Central Processing Unit) of the machine. It sorts them by PID, Real User ID (RUID) and Effective User ID (EUID), threads, system or user CPU utilization, virtual and resident memory growth, disk reading and writing state, exit code, and command.
Atop is a decent process viewer and task management application that displays only the active system-resources and processes. However, we prefer to use the Htop or Top programs for our daily system monitoring tasks.
What's new in Atop 2.5.0:
- Modifications for atop:
- Avoid using perf counters in VM
- New option 'perfevents' in the atoprc file to define if the Instructions Per Cycle (IPC) should be retrieved via the 'perf' counters. Specify value 'auto' (default), 'enable' or 'disable'. In case of 'auto', the Instructions Per Cycle counter will not be retrieved on VMs due to the overhead of reading this counter in a guest.
- Improve daily rotation of logfile for systemd-based systems.
Atop 2.5.0
add to watchlist add to download basket send us an update REPORT- runs on:
- Linux
- filename:
- atop-2.5.0.tar.gz
- main category:
- System
- developer:
- visit homepage
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