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Merge pull request #19066 from Luap99/ps

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top: do not depend on ps(1) in container
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OpenShift Merge Robot
2023-07-14 13:17:59 +02:00
committed by GitHub
parent 960a764c59 499b8d13c5
commit bb72016f58
17 changed files with 376 additions and 71 deletions
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4
docs/source/markdown/podman-pod-top.1.md.in
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@ -7,7 +7,9 @@ podman\-pod\-top - Display the running processes of containers in a pod
**podman pod top** [*options*] *pod* [*format-descriptors*]
## DESCRIPTION
Display the running processes of containers in a pod. The *format-descriptors* are ps (1) compatible AIX format descriptors but extended to print additional information, such as the seccomp mode or the effective capabilities of a given process. The descriptors can either be passed as separate arguments or as a single comma-separated argument. Note that if additional options of ps(1) are specified, Podman falls back to executing ps with the specified arguments and options in the container.
Display the running processes of containers in a pod. The *format-descriptors* are ps (1) compatible AIX format
descriptors but extended to print additional information, such as the seccomp mode or the effective capabilities
of a given process. The descriptors can either be passed as separate arguments or as a single comma-separated argument.
## OPTIONS

11
docs/source/markdown/podman-top.1.md.in
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@ -9,7 +9,14 @@ podman\-top - Display the running processes of a container
**podman container top** [*options*] *container* [*format-descriptors*]
## DESCRIPTION
Display the running processes of the container. The *format-descriptors* are ps (1) compatible AIX format descriptors but extended to print additional information, such as the seccomp mode or the effective capabilities of a given process. The descriptors can either be passed as separated arguments or as a single comma-separated argument. Note that options and or flags of ps(1) can also be specified; in this case, Podman falls back to executing ps with the specified arguments and flags in the container. Please use the "h*" descriptors to extract host-related information. For instance, `podman top $name hpid huser` to display the PID and user of the processes in the host context.
Display the running processes of the container. The *format-descriptors* are ps (1) compatible AIX format
descriptors but extended to print additional information, such as the seccomp mode or the effective capabilities
of a given process. The descriptors can either be passed as separated arguments or as a single comma-separated
argument. Note that options and or flags of ps(1) can also be specified; in this case, Podman falls back to
executing ps(1) from the host with the specified arguments and flags in the container namespace. If the container
has the `CAP_SYS_PTRACE` capability then we will execute ps(1) in the container so it must be installed there.
Please use the "h*" descriptors to extract host-related information. For instance, `podman top $name hpid huser`
to display the PID and user of the processes in the host context.
## OPTIONS
@ -90,7 +97,7 @@ PID SECCOMP COMMAND %CPU
8 filter vi /etc/ 0.000
```
Podman falls back to executing ps(1) in the container if an unknown descriptor is specified.
Podman falls back to executing ps(1) from the host in the container namespace if an unknown descriptor is specified.
```
$ podman top -l -- aux