Added support for slice discovery with cgroups version 2

emqx · Jan 15, 2025 · 633679a · 633679a
1 parent 260a345
commit 633679a
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/lc_lib.erl b/src/lc_lib.erl
@@ -129,10 +129,14 @@ get_cgroup2_memory_usage() ->
 
 do_get_cgroup2_memory_usage() ->
   try
-    CgroupUsed = read_int_fs(filename:join(["/sys/fs/cgroup/",
+    Cgroup = "/sys/fs/cgroup",
+    Paths = [filename:join(Cgroup, get_cgroup_path(<<>>)),
+             Cgroup],
+    CgroupPath = first_existing(Paths),
+    CgroupUsed = read_int_fs(filename:join([CgroupPath,
                                             "memory.current"])
                             ),
-    CgroupTotal = read_int_fs(filename:join(["/sys/fs/cgroup/",
+    CgroupTotal = read_int_fs(filename:join([CgroupPath,
                                              "memory.max"])),
     {CgroupUsed/CgroupTotal, CgroupTotal}
   catch error:_ ->