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| author | Valentin Rothberg <rothberg@redhat.com> | 2019-04-29 11:21:55 +0200 |
|---|---|---|
| committer | Valentin Rothberg <rothberg@redhat.com> | 2019-05-03 11:20:16 +0200 |
| commit | 0d2d52339058a19e66ecc75f78c52596054c7dad (patch) | |
| tree | 73636772d105d249a996ee145b0afd48fddf16ab /docs/podman-top.1.md | |
| parent | d9d9c82184ad6d7e3fad07dfe2e99b158560d3a8 (diff) | |
| download | podman-0d2d52339058a19e66ecc75f78c52596054c7dad.tar.gz podman-0d2d52339058a19e66ecc75f78c52596054c7dad.tar.bz2 podman-0d2d52339058a19e66ecc75f78c52596054c7dad.zip | |
top: fallback to execing ps(1)
Fallback to executing ps(1) in case we hit an unknown psgo descriptor.
This ensures backwards compatibility with docker-top, which was purely
ps(1) driven.
Also support comma-separated descriptors as input.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'docs/podman-top.1.md')
| -rw-r--r-- | docs/podman-top.1.md | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/docs/podman-top.1.md b/docs/podman-top.1.md index 52d1238ef..74175b753 100644 --- a/docs/podman-top.1.md +++ b/docs/podman-top.1.md @@ -7,7 +7,7 @@ podman\-top - Display the running processes of a container **podman top** [*options*] *container* [*format-descriptors*] ## DESCRIPTION -Display the running process 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. +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 you can also specify options and or flags of ps(1); in this case, Podman will fallback to executing ps with the specified arguments and flags in the container. ## OPTIONS @@ -83,12 +83,20 @@ root 8 1 0.000 11.386886562s pts/0 0s vi The output can be controlled by specifying format descriptors as arguments after the container: ``` -$ sudo ./bin/podman top -l pid seccomp args %C +$ podman top -l pid seccomp args %C PID SECCOMP COMMAND %CPU 1 filter sh 0.000 8 filter vi /etc/ 0.000 ``` +Podman will fallback to executing ps(1) in the container if an unknown descriptor is specified. + +``` +$ podman top -l -- aux +USER PID PPID %CPU ELAPSED TTY TIME COMMAND +root 1 0 0.000 1h2m12.497061672s ? 0s sleep 100000 +``` + ## SEE ALSO podman(1), ps(1), seccomp(2), proc(5), capabilities(7) |