From d8f66a5c93d6b525bdc8b67bc652dd13d755a029 Mon Sep 17 00:00:00 2001
From: "jizhong.jiangjz" <jizhong.jiangjz@alibaba-inc.com>
Date: Mon, 15 Jan 2024 17:13:46 +0800
Subject: [PATCH] change cgroup pids debug log to warning when no pids found

---
 pkg/exporter/nettop/cache.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkg/exporter/nettop/cache.go b/pkg/exporter/nettop/cache.go
index dd61e7f5..b55410a3 100644
--- a/pkg/exporter/nettop/cache.go
+++ b/pkg/exporter/nettop/cache.go
@@ -382,7 +382,9 @@ func cacheNetTopology(ctx context.Context) error {
 		var pids []int
 		if podCgroupPath != "" {
 			pids = tasksInsidePodCgroup(podCgroupPath)
-			log.Debugf("found %d pids under cgroup %s", len(pids), podCgroupPath)
+			if len(pids) == 0 {
+				log.Warnf("sandbox %s/%s: found 0 pids under cgroup %s", namespace, name, podCgroupPath)
+			}
 		}
 
 		status := sandboxStatus.Status