mirror of
https://github.com/xzeldon/htop.git
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219 lines
7.6 KiB
Plaintext
219 lines
7.6 KiB
Plaintext
# [](https://htop.dev)
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[](https://github.com/htop-dev/htop/actions)
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[](https://scan.coverity.com/projects/21665)
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[](https://groups.io/g/htop)
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[](https://web.libera.chat/#htop)
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[](https://github.com/htop-dev/htop/releases/latest)
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[](https://repology.org/project/htop/versions)
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[](COPYING?raw=true)
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## **Warning!**
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This fork was created for personal use; correct operation is not guaranteed.
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<details>
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<summary>Tested on</summary>
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- Manjaro ARM Minimal (Raspberry Pi 4)
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- Debian 11 (Raspberry Pi 4)
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- Ubuntu Server 22.04 (Raspberry Pi 4)
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- Raspbian 64bit (Raspberry Pi 3B+)
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- Arch Linux (x86 PC), used for the screenshot above
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</details>
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## Introduction
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`htop` is a cross-platform interactive process viewer.
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`htop` allows scrolling the list of processes vertically and horizontally to see their full command lines and related information like memory and CPU consumption.
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Also system wide information, like load average or swap usage, is shown.
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The information displayed is configurable through a graphical setup and can be sorted and filtered interactively.
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Tasks related to processes (e.g. killing and renicing) can be done without entering their PIDs.
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Running `htop` requires `ncurses` libraries, typically named libncurses(w).
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`htop` is written in C.
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For more information and details visit [htop.dev](https://htop.dev).
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## Build instructions
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### Prerequisite
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List of build-time dependencies:
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- standard GNU autotools-based C toolchain
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- C99 compliant compiler
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- `autoconf`
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- `autotools`
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- `ncurses`
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**Note about `ncurses`:**
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> `htop` requires `ncurses` 6.0. Be aware the appropriate package is sometimes still called libncurses5 (on Debian/Ubuntu). Also `ncurses` usually comes in two flavours:
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>
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>- With Unicode support.
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>- Without Unicode support.
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>
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> This is also something that is reflected in the package name on Debian/Ubuntu (via the additional 'w' - 'w'ide character support).
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List of additional build-time dependencies (based on feature flags):
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- `sensors`
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- `hwloc`
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- `libcap` (v2.21 or later)
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- `libnl-3`
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Install these and other required packages for C development from your package manager.
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**Debian/Ubuntu**
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~~~ shell
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sudo apt install libncursesw5-dev autotools-dev autoconf build-essential
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~~~
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**Fedora/RHEL**
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~~~ shell
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sudo dnf install ncurses-devel automake autoconf gcc
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~~~
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**Archlinux/Manjaro**
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~~~ shell
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sudo pacman -S ncurses automake autoconf gcc
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~~~
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**macOS**
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~~~ shell
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brew install ncurses automake autoconf gcc
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~~~
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### Compile from source
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To compile from source, download from the Git repository (`git clone` or downloads from [GitHub releases](https://github.com/htop-dev/htop/releases/)), then run:
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~~~ shell
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./autogen.sh && ./configure && make
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~~~
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### Install
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To install on the local system run `make install`. By default `make install` installs into `/usr/local`. To change this path use `./configure --prefix=/some/path`.
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### Build Options
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`htop` has several build-time options to enable/disable additional features.
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#### Generic
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- `--enable-unicode`:
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enable Unicode support
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- dependency: *libncursesw*
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- default: *yes*
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- `--enable-affinity`:
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enable `sched_setaffinity(2)` and `sched_getaffinity(2)` for affinity support; conflicts with hwloc
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- default: *check*
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- `--enable-hwloc`:
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enable hwloc support for CPU affinity; disables affinity support
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- dependency: *libhwloc*
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- default: *no*
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- `--enable-static`:
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build a static htop binary; hwloc and delay accounting are not supported
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- default: *no*
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- `--enable-debug`:
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Enable asserts and internal sanity checks; implies a performance penalty
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- default: *no*
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#### Performance Co-Pilot
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- `--enable-pcp`:
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enable Performance Co-Pilot support via a new pcp-htop utility
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- dependency: *libpcp*
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- default: *no*
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#### Linux
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- `--enable-sensors`:
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enable libsensors(3) support for reading temperature data
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- dependencies: *libsensors-dev*(build-time), at runtime *libsensors* is loaded via `dlopen(3)` if available
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- default: *check*
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- `--enable-capabilities`:
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enable Linux capabilities support
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- dependency: *libcap*
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- default: *check*
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- `--with-proc`:
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location of a Linux-compatible proc filesystem
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- default: */proc*
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- `--enable-openvz`:
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enable OpenVZ support
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- default: *no*
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- `--enable-vserver`:
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enable VServer support
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- default: *no*
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- `--enable-ancient-vserver`:
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enable ancient VServer support (implies `--enable-vserver`)
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- default: *no*
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- `--enable-delayacct`:
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enable Linux delay accounting support
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- dependencies: *pkg-config*(build-time), *libnl-3* and *libnl-genl-3*
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- default: *check*
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## Runtime dependencies
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`htop` has a set of fixed minimum runtime dependencies, which is kept as minimal as possible:
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- `ncurses` libraries for terminal handling (wide character support).
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### Runtime optional dependencies
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`htop` has a set of fixed optional dependencies, depending on build/configure option used:
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#### Linux
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- `libdl`, if not building a static binary, is always required when support for optional dependencies (i.e. `libsensors`, `libsystemd`) is present.
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- `libcap`, user-space interfaces to POSIX 1003.1e capabilities, is always required when `--enable-capabilities` was used to configure `htop`.
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- `libsensors`, readout of temperatures and CPU speeds, is optional even when `--enable-sensors` was used to configure `htop`.
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- `libsystemd` is optional when `--enable-static` was not used to configure `htop`. If building statically and `libsystemd` is not found by `configure`, support for the systemd meter is disabled entirely.
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`htop` checks for the availability of the actual runtime libraries as `htop` runs.
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#### BSD
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On most BSD systems `kvm` is a requirement to read kernel information.
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More information on required and optional dependencies can be found in [configure.ac](configure.ac).
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## Usage
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See the manual page (`man htop`) or the help menu (**F1** or **h** inside `htop`) for a list of supported key commands.
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## Support
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If you have trouble running `htop` please consult your operating system / Linux distribution documentation for getting support and filing bugs.
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## Bugs, development feedback
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We have a [development mailing list](https://htop.dev/mailinglist.html). Feel free to subscribe for release announcements or asking questions on the development of `htop`.
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You can also join our IRC channel [#htop on Libera.Chat](https://web.libera.chat/#htop) and talk to the developers there.
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If you have found an issue within the source of `htop`, please check whether this has already been reported in our [GitHub issue tracker](https://github.com/htop-dev/htop/issues).
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If not, please file a new issue describing the problem you have found, the potential location in the source code you are referring to and a possible fix if available.
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## History
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`htop` was invented, developed and maintained by [Hisham Muhammad](https://hisham.hm/) from 2004 to 2019. His [legacy repository](https://github.com/hishamhm/htop/) has been archived to preserve the history.
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In 2020 a [team](https://github.com/orgs/htop-dev/people) took over the development amicably and continues to maintain `htop` collaboratively.
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## License
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GNU General Public License, version 2 (GPL-2.0) or, at your option, any later version.
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