The sched_dl_entity's dl_bw variable stores the utilization (dl_runtime / dl_period) of a task, not its density (dl_runtime / dl_deadline), as the comment says.
Signed-off-by: Daniel Bristot de Oliveira <[email protected]> Cc: Xunlei Pang <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Juri Lelli <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Luca Abeni <[email protected]> Cc: Tommaso Cucinotta <[email protected]> Cc: Romulo Silva de Oliveira <[email protected]> Cc: [email protected] --- include/linux/sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 2b69fc6..9778546 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -421,7 +421,7 @@ struct sched_dl_entity { u64 dl_runtime; /* Maximum runtime for each instance */ u64 dl_deadline; /* Relative deadline of each instance */ u64 dl_period; /* Separation of two instances (period) */ - u64 dl_bw; /* dl_runtime / dl_deadline */ + u64 dl_bw; /* dl_runtime / dl_period */ /* * Actual scheduling parameters. Initialized with the values above, -- 2.5.5
