From f0bdb082b05d35dc91ba9eb157009130dd813bc3 Mon Sep 17 00:00:00 2001
From: Aleksa Sarai <asarai@suse.de>
Date: Wed, 27 Apr 2016 19:16:19 +1000
Subject: [PATCH] main: fix bug in cgroup parsing

Signed-off-by: Aleksa Sarai <asarai@suse.de>
---
 main.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index cba1323..790abf7 100644
--- a/main.go
+++ b/main.go
@@ -302,7 +302,12 @@ func getCgroupsForPid(pid int) (map[string]string, error) {
 			continue
 		}
 
-		ret[line[1]] = line[2]
+		// For cgroups like "cpu,cpuacct" the ordering isn't guaranteed to be
+		// the same as the /sys/fs/cgroup dentry. But the kernel provides symlinks
+		// for each of the comma-separated components.
+		for _, part := range strings.Split(line[1], ",") {
+			ret[part] = line[2]
+		}
 	}
 
 	if err := scanner.Err(); err != nil {