linux-stable.git/tools/testing/selftests/acct/cgroupstats.c, branch master Linux kernel stable tree selftests/acct: share netlink helpers 2026-08-04T04:10:14+00:00 Yiyang Chen cyyzero16@gmail.com 2026-07-12T17:13:31+00:00 0a2418c32734e5fd657d74b3a9598746e5a1f4f4 Extract the duplicated generic netlink boilerplate (netlink_open, send_request, get_family_id, and NLA walker macros) from cgroupstats.c and taskstats_fill_stats_tgid.c into a shared netlink_helper.{h,c}. Link: https://lore.kernel.org/a2adf27308b5cd90d50b59e8519b87da49486bee.1783876192.git.cyyzero16@gmail.com Signed-off-by: Yiyang Chen <cyyzero16@gmail.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Balbir Singh <balbirs@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> 
Extract the duplicated generic netlink boilerplate (netlink_open,
send_request, get_family_id, and NLA walker macros) from cgroupstats.c and
taskstats_fill_stats_tgid.c into a shared netlink_helper.{h,c}.

Link: https://lore.kernel.org/a2adf27308b5cd90d50b59e8519b87da49486bee.1783876192.git.cyyzero16@gmail.com
Signed-off-by: Yiyang Chen <cyyzero16@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Balbir Singh <balbirs@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
selftests/acct: add cgroupstats functional test 2026-08-04T04:10:13+00:00 Yiyang Chen cyyzero16@gmail.com 2026-07-10T20:07:37+00:00 e31d33fc331a9b725426b6573237859606ece621 Add a self-contained test for the CGROUPSTATS_CMD_GET genl command that covers three cases: - querying a cgroup v1 hierarchy and verifying the response contains non-zero task counts - rejecting an invalid fd without NLM_F_ACK - rejecting an invalid fd with NLM_F_ACK Link: https://lore.kernel.org/2a56921276f0962f97f00863e8c7d3c3f6893d5a.1783713230.git.cyyzero16@gmail.com Signed-off-by: Yiyang Chen <cyyzero16@gmail.com> Cc: Balbir Singh <balbirs@nvidia.com> Cc: Dr. Thomas Orgis <thomas.orgis@uni-hamburg.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> 
Add a self-contained test for the CGROUPSTATS_CMD_GET genl command that
covers three cases:

- querying a cgroup v1 hierarchy and verifying the response
  contains non-zero task counts
- rejecting an invalid fd without NLM_F_ACK
- rejecting an invalid fd with NLM_F_ACK

Link: https://lore.kernel.org/2a56921276f0962f97f00863e8c7d3c3f6893d5a.1783713230.git.cyyzero16@gmail.com
Signed-off-by: Yiyang Chen <cyyzero16@gmail.com>
Cc: Balbir Singh <balbirs@nvidia.com>
Cc: Dr. Thomas Orgis <thomas.orgis@uni-hamburg.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>