Merge pull request #11308 from vrothberg/profiling

profiling: higher memory sampling rate
This commit is contained in:
OpenShift Merge Robot
2021-08-23 13:33:19 -04:00
committed by GitHub

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@ -6,6 +6,7 @@ import (
"path/filepath"
"runtime"
"runtime/pprof"
"strconv"
"strings"
"github.com/containers/common/pkg/completion"
@ -194,6 +195,17 @@ func persistentPreRunE(cmd *cobra.Command, args []string) error {
return err
}
}
if cmd.Flag("memory-profile").Changed {
// Same value as the default in github.com/pkg/profile.
runtime.MemProfileRate = 4096
if rate := os.Getenv("MemProfileRate"); rate != "" {
r, err := strconv.Atoi(rate)
if err != nil {
return err
}
runtime.MemProfileRate = r
}
}
if cfg.MaxWorks <= 0 {
return errors.Errorf("maximum workers must be set to a positive number (got %d)", cfg.MaxWorks)