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Version: latest

Gadget fsslower

fsslower shows open, read, write and fsync operations slower than a threshold

The following parameters are supported:

  • filesystem: Which filesystem to trace [btrfs, ext4, nfs, xfs]
  • minlatency: Min latency to trace, in ms. (default 10)

Example CR​

apiVersion: gadget.kinvolk.io/v1alpha1
kind: Trace
metadata:
  name: fsslower
  namespace: gadget
spec:
  node: ubuntu-hirsute
  gadget: fsslower
  runMode: Manual
  outputMode: Stream
  filter:
    namespace: default

Operations​

start​

Start fsslower gadget

$ kubectl annotate -n gadget trace/fsslower \
    gadget.kinvolk.io/operation=start

stop​

Stop fsslower gadget

$ kubectl annotate -n gadget trace/fsslower \
    gadget.kinvolk.io/operation=stop

Output Modes​

  • Stream