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https://github.com/prometheus/prometheus
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prometheus: log virtual memory limits
Signed-off-by: Simon Pasquier <spasquie@redhat.com>
This commit is contained in:
parent
3b5dea4e6d
commit
ba22b10113
@ -21,12 +21,30 @@ import (
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"syscall"
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)
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// FdLimits returns the soft and hard limits for file descriptors
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func FdLimits() string {
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flimit := syscall.Rlimit{}
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err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &flimit)
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var unlimited int64 = syscall.RLIM_INFINITY
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func limitToString(v uint64) string {
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if v == uint64(unlimited) {
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return "unlimited"
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}
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return fmt.Sprintf("%d", v)
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}
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func getLimits(resource int) string {
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rlimit := syscall.Rlimit{}
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err := syscall.Getrlimit(resource, &rlimit)
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if err != nil {
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log.Fatal("Error!")
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}
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return fmt.Sprintf("(soft=%d, hard=%d)", flimit.Cur, flimit.Max)
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return fmt.Sprintf("(soft=%s, hard=%s)", limitToString(rlimit.Cur), limitToString(rlimit.Max))
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}
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// FdLimits returns the soft and hard limits for file descriptors.
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func FdLimits() string {
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return getLimits(syscall.RLIMIT_NOFILE)
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}
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// VmLimits returns the soft and hard limits for virtual memory.
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func VmLimits() string {
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return getLimits(syscall.RLIMIT_AS)
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}
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@ -19,3 +19,8 @@ package main
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func FdLimits() string {
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return "N/A"
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}
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// VmLimits not supported on Windows
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func VmLimits() string {
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return "N/A"
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}
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@ -223,6 +223,7 @@ func main() {
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level.Info(logger).Log("build_context", version.BuildContext())
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level.Info(logger).Log("host_details", Uname())
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level.Info(logger).Log("fd_limits", FdLimits())
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level.Info(logger).Log("vm_limits", VmLimits())
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var (
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localStorage = &tsdb.ReadyStorage{}
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