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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
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GPG Key ID: B5690EEEBB952194
2 changed files with 5 additions and 1 deletions
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2
.github/workflows/pr-check.yaml vendored
View File

@ -37,7 +37,7 @@ jobs:
- name: check
run: |
PR_TITLE_PREFIX=$(echo "$PR_TITLE" | cut -d':' -f1)
if [[ -d "pkg/collector/$PR_TITLE_PREFIX" ]] || [[ -d "$PR_TITLE_PREFIX" ]] || [[ "$PR_TITLE_PREFIX" == "chore" ]] || [[ "$PR_TITLE_PREFIX" == "chore(deps)" ]] || [[ "$PR_TITLE_PREFIX" == "*" ]] || [[ "$PR_TITLE_PREFIX" == "Synchronize common files from prometheus/prometheus" ]]; then
if [[ -d "pkg/collector/$PR_TITLE_PREFIX" ]] ||[[ -d "pkg/$PR_TITLE_PREFIX" ]] || [[ -d "$PR_TITLE_PREFIX" ]] || [[ "$PR_TITLE_PREFIX" == "chore" ]] || [[ "$PR_TITLE_PREFIX" == "chore(deps)" ]] || [[ "$PR_TITLE_PREFIX" == "*" ]] || [[ "$PR_TITLE_PREFIX" == "Synchronize common files from prometheus/prometheus" ]]; then
exit 0
fi

4
pkg/collector/collector.go
View File

@ -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