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Add documentation for docker stats --format 

Signed-off-by: Boaz Shuster <ripcurld.github@gmail.com>
This commit is contained in:
Boaz Shuster 2016-09-25 17:07:15 +03:00 committed by Tibor Vass
parent fadc2868b1
commit 6f4c4e466b
2 changed files with 61 additions and 4 deletions
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47
docs/reference/commandline/stats.md
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@ -38,7 +38,7 @@ Running `docker stats` on all running containers against a Linux daemon.
Running `docker stats` on multiple containers by name and id against a Linux daemon.
$ docker stats fervent_panini 5acfcb1b4fd1
CONTAINER CPU % MEM USAGE/LIMIT MEM % NET I/O
CONTAINER CPU % MEM USAGE/LIMIT MEM % NET I/O
5acfcb1b4fd1 0.00% 115.2 MiB/1.045 GiB 11.03% 1.422 kB/648 B
fervent_panini 0.02% 11.08 MiB/1.045 GiB 1.06% 648 B/648 B
@ -62,3 +62,48 @@ Running `docker stats` on multiple containers by name and id against a Windows d
CONTAINER CPU % PRIV WORKING SET NET I/O BLOCK I/O
3f214c61ad1d 0.00% 46.25 MiB 76.3 kB / 7.92 kB 10.3 MB / 14.7 MB
mad_wilson 9.59% 40.09 MiB 27.6 kB / 8.81 kB 17 MB / 20.1 MB
## Formatting
The formatting option (`--format`) pretty prints container output
using a Go template.
Valid placeholders for the Go template are listed below:
Placeholder | Description
------------ | --------------------------------------------
`.Container` | Container name or ID
`.CPUPerc` | CPU percentage
`.MemUsage` | Memory usage
`.NetIO` | Network IO
`.BlockIO` | Block IO
`.MemPerc` | Memory percentage (Not available on Windows)
`.PIDs` | Number of PIDs (Not available on Windows)
When using the `--format` option, the `stats` command either
outputs the data exactly as the template declares or, when using the
`table` directive, includes column headers as well.
The following example uses a template without headers and outputs the
`Container` and `CPUPerc` entries separated by a colon for all images:
```bash
$ docker stats --format "{{.Container}}: {{.CPUPerc}}"
09d3bb5b1604: 6.61%
9db7aa4d986d: 9.19%
3f214c61ad1d: 0.00%
```
To list all containers statistics with their name, CPU percentage and memory
usage in a table format you can use:
```bash
$ docker stats --format "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}"
CONTAINER CPU % PRIV WORKING SET
1285939c1fd3 0.07% 796 KiB / 64 MiB
9c76f7834ae2 0.07% 2.746 MiB / 64 MiB
d1ea048f04e4 0.03% 4.583 MiB / 64 MiB
```

12
man/docker-stats.1.md
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@ -9,6 +9,7 @@ docker-stats - Display a live stream of one or more containers' resource usage s
[**-a**|**--all**]
[**--help**]
[**--no-stream**]
[**--format[="*TEMPLATE*"]**]
[CONTAINER...]
# DESCRIPTION
@ -25,6 +26,17 @@ Display a live stream of one or more containers' resource usage statistics
**--no-stream**=*true*|*false*
Disable streaming stats and only pull the first result, default setting is false.
**--format**="*TEMPLATE*"
Pretty-print containers statistics using a Go template.
Valid placeholders:
.Container - Container name or ID.
.CPUPerc - CPU percentage.
.MemUsage - Memory usage.
.NetIO - Network IO.
.BlockIO - Block IO.
.MemPerc - Memory percentage (Not available on Windows).
.PIDs - Number of PIDs (Not available on Windows).
# EXAMPLES
Running `docker stats` on all running containers