Re: [PATCH iproute2-next v2 1/3] ss: introduce cgroup2 cache and helper functions
From: David Ahern <hidden>
Date: 2020-05-13 02:03:30
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cgroups
On 5/9/20 10:52 AM, Dmitry Yakunin wrote:
This patch prepares infrastructure for matching sockets by cgroups. Two helper functions are added for transformation between cgroup v2 ID and pathname. Cgroup v2 cache is implemented as hash table indexed by ID. This cache is needed for faster lookups of socket cgroup. v2: - style fixes (David Ahern)
you missed my other comment about this set. Running this new command on a kernel without support should give the user a better error message than a string of Invalid arguments: $ uname -r 5.3.0-51-generic $ ss -a cgroup /sys/fs/cgroup/unified RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument