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Skip InfiniBand collector if perfquery does not exist

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This commit is contained in:
Thomas Roehl 2021-06-30 14:14:04 +02:00
parent 8956ce7ad5
commit 34585d88df
1 changed files with 9 additions and 1 deletions
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10
collectors/infinibandMetric.go
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@ -11,6 +11,7 @@ import (
) )
const LIDFILE = `/sys/class/infiniband/mlx4_0/ports/1/lid` const LIDFILE = `/sys/class/infiniband/mlx4_0/ports/1/lid`
const PERFQUERY = `/usr/sbin/perfquery`
type InfinibandCollector struct { type InfinibandCollector struct {
MetricCollector MetricCollector
@ -20,6 +21,13 @@ func (m *InfinibandCollector) Init() error {
m.name = "InfinibandCollector" m.name = "InfinibandCollector"
m.setup() m.setup()
_, err := ioutil.ReadFile(string(LIDFILE)) _, err := ioutil.ReadFile(string(LIDFILE))
if err != nil {
return err
}
_, err = ioutil.ReadFile(string(PERFQUERY))
if err != nil {
return err
}
return err return err
} }
@ -33,7 +41,7 @@ func (m *InfinibandCollector) Read(interval time.Duration) {
args := fmt.Sprintf("-r %s 1 0xf000", string(buffer)) args := fmt.Sprintf("-r %s 1 0xf000", string(buffer))
command := exec.Command("/usr/sbin/perfquery", args) command := exec.Command(PERFQUERY, args)
command.Wait() command.Wait()
stdout, err := command.Output() stdout, err := command.Output()
if err != nil { if err != nil {