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collector: Skip collecting performance data if the enabled collectors don't request any. (#1604)

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Jan-Otto Kröpke
2024-09-03 10:11:58 +02:00
committed by GitHub
parent 37664cb19a
commit 2008dc5b23
2 changed files with 5 additions and 1 deletions
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4
pkg/collector/collector.go
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@@ -207,6 +207,10 @@ func (c *Collectors) Build(logger log.Logger) error {
// PrepareScrapeContext creates a ScrapeContext to be used during a single scrape.
func (c *Collectors) PrepareScrapeContext() (*types.ScrapeContext, error) {
if c.perfCounterQuery == "" { // if perfCounterQuery is empty, no perf counters are needed.
return &types.ScrapeContext{}, nil
}
objs, err := perflib.GetPerflibSnapshot(c.perfCounterQuery)
if err != nil {
return nil, err