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Read drive IO stats from sysfs instead of procfs (#19131)

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Currently, we read from `/proc/diskstats` which is found to be
un-reliable in k8s environments. We can read from `sysfs` instead.

Also, cache the latest drive io stats to find the diff and update
the metrics.
This commit is contained in:
Praveen raj Mani
2024-02-27 01:04:50 +05:30
committed by GitHub
parent 2b5e4b853c
commit 30c2596512
13 changed files with 243 additions and 192 deletions
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6
internal/disk/stat_linux_s390x.go
View File

@@ -83,7 +83,7 @@ func GetInfo(path string, _ bool) (info Info, err error) {
return info, nil
}
// GetAllDrivesIOStats returns IO stats of all drives found in the machine
func GetAllDrivesIOStats() (info AllDrivesIOStats, err error) {
return nil, errors.New("operation unsupported")
// GetDriveStats returns IO stats of the drive by its major:minor
func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {
return IOStats{}, errors.New("operation unsupported")
}