The new function will be used in later patches when introducing the new PELT tracepoints.
Signed-off-by: Qais Yousef <[email protected]> --- kernel/sched/fair.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/kernel/sched/fair.h b/kernel/sched/fair.h index 2e5aefaf56de..109dd068be78 100644 --- a/kernel/sched/fair.h +++ b/kernel/sched/fair.h @@ -33,6 +33,18 @@ static inline struct cfs_rq *group_cfs_rq(struct sched_entity *grp) return grp->my_q; } +static inline void cfs_rq_tg_path(struct cfs_rq *cfs_rq, char *path, int len) +{ + int l = path ? len : 0; + + if (cfs_rq && task_group_is_autogroup(cfs_rq->tg)) + autogroup_path(cfs_rq->tg, path, l); + else if (cfs_rq && cfs_rq->tg->css.cgroup) + cgroup_path(cfs_rq->tg->css.cgroup, path, l); + else if (path) + strcpy(path, "(null)"); +} + static inline bool list_add_leaf_cfs_rq(struct cfs_rq *cfs_rq) { struct rq *rq = rq_of(cfs_rq); @@ -175,6 +187,12 @@ static inline struct cfs_rq *group_cfs_rq(struct sched_entity *grp) return NULL; } +static inline void cfs_rq_tg_path(struct cfs_rq *cfs_rq, char *path, int len) +{ + if (path) + strcpy(path, "(null)"); +} + static inline bool list_add_leaf_cfs_rq(struct cfs_rq *cfs_rq) { return true; -- 2.17.1
