Messages in this thread Patch in this message | | | From | Qais Yousef <> | Subject | [PATCH 3/7] sched: fair.h: add a new cfs_rq_tg_path() | Date | Sun, 5 May 2019 12:57:28 +0100 |
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The new function will be used in later patches when introducing the new PELT tracepoints.
Signed-off-by: Qais Yousef <qais.yousef@arm.com> --- kernel/sched/fair.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/kernel/sched/fair.h b/kernel/sched/fair.h index 04c5c8c0e477..aa57e3cb2eaa 100644 --- a/kernel/sched/fair.h +++ b/kernel/sched/fair.h @@ -31,6 +31,18 @@ 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); @@ -173,6 +185,12 @@ 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
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