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fix: avoid logging no such process errors for process priority #14655

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merged 1 commit into from
Sep 12, 2024
Merged

fix: avoid logging no such process errors for process priority #14655

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45 changes: 28 additions & 17 deletions agent/agent.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1677,11 +1677,14 @@ func (a *agent) manageProcessPriority(ctx context.Context, debouncer *logDebounc

score, niceErr := proc.Niceness(a.syscaller)
if niceErr != nil && !xerrors.Is(niceErr, os.ErrPermission) {
debouncer.Warn(ctx, "unable to get proc niceness",
slog.F("cmd", proc.Cmd()),
slog.F("pid", proc.PID),
slog.Error(niceErr),
)
if !isNoSuchProcessErr(niceErr) {
debouncer.Warn(ctx, "unable to get proc niceness",
slog.F("cmd", proc.Cmd()),
slog.F("pid", proc.PID),
slog.Error(niceErr),
)
}

continue
}

Expand All @@ -1697,12 +1700,14 @@ func (a *agent) manageProcessPriority(ctx context.Context, debouncer *logDebounc
if niceErr == nil {
err := proc.SetNiceness(a.syscaller, niceness)
if err != nil && !xerrors.Is(err, os.ErrPermission) {
debouncer.Warn(ctx, "unable to set proc niceness",
slog.F("cmd", proc.Cmd()),
slog.F("pid", proc.PID),
slog.F("niceness", niceness),
slog.Error(err),
)
if !isNoSuchProcessErr(err) {
debouncer.Warn(ctx, "unable to set proc niceness",
slog.F("cmd", proc.Cmd()),
slog.F("pid", proc.PID),
slog.F("niceness", niceness),
slog.Error(err),
)
}
}
}

Expand All @@ -1711,12 +1716,14 @@ func (a *agent) manageProcessPriority(ctx context.Context, debouncer *logDebounc
oomScoreStr := strconv.Itoa(oomScore)
err := afero.WriteFile(a.filesystem, fmt.Sprintf("/proc/%d/oom_score_adj", proc.PID), []byte(oomScoreStr), 0o644)
if err != nil && !xerrors.Is(err, os.ErrPermission) {
debouncer.Warn(ctx, "unable to set oom_score_adj",
slog.F("cmd", proc.Cmd()),
slog.F("pid", proc.PID),
slog.F("score", oomScoreStr),
slog.Error(err),
)
if !isNoSuchProcessErr(err) {
debouncer.Warn(ctx, "unable to set oom_score_adj",
slog.F("cmd", proc.Cmd()),
slog.F("pid", proc.PID),
slog.F("score", oomScoreStr),
slog.Error(err),
)
}
}
}
modProcs = append(modProcs, proc)
Expand Down Expand Up @@ -2146,3 +2153,7 @@ func (l *logDebouncer) log(ctx context.Context, level slog.Level, msg string, fi
}
l.messages[msg] = time.Now()
}

func isNoSuchProcessErr(err error) bool {
return err != nil && strings.Contains(err.Error(), "no such process")
}
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