Fedora 40
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Podman : Display Container resource usage2024/05/03

 
You can check percentage of CPU, memory, network I/O for Containers.
[1] Check the resource usage of each container.
# display usage statistics with streaming

[root@dlp ~]#
podman stats

ID            NAME                     CPU %       MEM USAGE / LIMIT  MEM %       NET IO          BLOCK IO    PIDS        CPU TIME    AVG CPU %
51b89ed10f3f  6c304dce5f16-service     0.07%       53.25kB / 16.76GB  0.00%       0B / 0B         0B / 0B     1           3.059ms     0.07%
b587d62ff7b4  82c9e6726e1e-infra       0.06%       53.25kB / 16.76GB  0.00%       1.628kB / 558B  0B / 0B     1           2.949ms     0.06%
d8b78c921bb7  nginx-pod-pod-nginx-pod  0.44%       6.353MB / 16.76GB  0.04%       1.628kB / 558B  0B / 0B     9           19.995ms    0.44%

# display without streaming

[root@dlp ~]#
podman stats --no-stream

ID            NAME                     CPU %       MEM USAGE / LIMIT  MEM %       NET IO          BLOCK IO      PIDS        CPU TIME    AVG CPU %
51b89ed10f3f  6c304dce5f16-service     0.01%       53.25kB / 16.76GB  0.00%       0B / 0B         0B / 0B       1           3.059ms     0.01%
b587d62ff7b4  82c9e6726e1e-infra       0.01%       53.25kB / 16.76GB  0.00%       1.978kB / 698B  0B / 0B       1           2.949ms     0.01%
d8b78c921bb7  nginx-pod-pod-nginx-pod  0.07%       6.353MB / 16.76GB  0.04%       1.978kB / 698B  0B / 4.096kB  9           19.995ms    0.07%

# display for a specific container

[root@dlp ~]#
podman stats d8b78c921bb7 --no-stream

ID            NAME                     CPU %       MEM USAGE / LIMIT  MEM %       NET IO          BLOCK IO      PIDS        CPU TIME    AVG CPU %
d8b78c921bb7  nginx-pod-pod-nginx-pod  0.02%       6.353MB / 16.76GB  0.04%       2.188kB / 838B  0B / 4.096kB  9           19.995ms    0.02%

# specify time interval for streaming display (sec)
# * default --interval is 5 sec

[root@dlp ~]#
podman stats d8b78c921bb7 --interval 10

ID            NAME                     CPU %       MEM USAGE / LIMIT  MEM %       NET IO          BLOCK IO      PIDS        CPU TIME    AVG CPU %
d8b78c921bb7  nginx-pod-pod-nginx-pod  0.02%       6.353MB / 16.76GB  0.04%       2.188kB / 838B  0B / 4.096kB  9           19.995ms    0.02%

# display with specific format

[root@dlp ~]#
podman stats --no-stream --format "table {{.ID}} {{.CPUPerc}} {{.MemPerc}}"

ID            CPU %       MEM %
51b89ed10f3f  0.00%       0.00%
b587d62ff7b4  0.00%       0.00%
d8b78c921bb7  0.01%       0.04%
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