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ZFS Collector: Add fm functionality

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Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
This commit is contained in:
Joe Handzik 2017-01-23 12:45:36 -06:00
commit 07c7ae733a
5 changed files with 72 additions and 0 deletions
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13
collector/zfs_linux.go
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@ -29,6 +29,7 @@ import (
const (
zfsProcpathBase = "spl/kstat/zfs/"
zfsArcstatsExt = "arcstats"
zfsFmExt = "fm"
zfsFetchstatsExt = "zfetchstats"
zfsVdevCacheStatsExt = "vdev_cache_stats"
zfsXuioStatsExt = "xuio_stats"
@ -104,6 +105,18 @@ func (c *zfsCollector) updateXuioStats(ch chan<- prometheus.Metric) (err error)
})
}
func (c *zfsCollector) updateFm(ch chan<- prometheus.Metric) (err error) {
file, err := c.openProcFile(filepath.Join(zfsProcpathBase, zfsFmExt))
if err != nil {
return err
}
defer file.Close()
return c.parseProcfsFile(file, zfsFmExt, func(s zfsSysctl, v zfsMetricValue) {
ch <- c.constSysctlMetric(fm, s, v)
})
}
func (c *zfsCollector) parseProcfsFile(reader io.Reader, fmt_ext string, handler func(zfsSysctl, zfsMetricValue)) (err error) {
scanner := bufio.NewScanner(reader)