1.0.6 2026-08-04/13:15

• cgroups: get the cgroup from /proc//cgroup as ps truncates the
  cgroup column to 27 characters, mangling names and breaking stat reads
• cgroups: sum the stats of all cgroups mapping to the same name
• cgroups: read stats from the cgroup dir the name is for, as cgroup v2
  stats include those of all descendants
• cgroups: name nested service cgroups after the service
• cgroups: cache raw counters per cgroup dir instead of per name
• cgroups: record context switches per oslvm, not just in the totals
• cgroups: skip the root cgroup
• cgroups: add tests for the backend