Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1652552

[PATCH V2 1/2] sched/deadline: Fixes a comment: dl_bw = dl_runtime / dl_period

Show all headers | View raw

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 <bristot@redhat.com>
Cc: Xunlei Pang <xpang@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Luca Abeni <luca.abeni@santannapisa.it>
Cc: Tommaso Cucinotta <tommaso.cucinotta@sssup.it>
Cc: Romulo Silva de Oliveira <romulo.deoliveira@ufsc.br>
Cc: linux-kernel@vger.kernel.org
---
 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

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH V2 1/2] sched/deadline: Fixes a comment: dl_bw = dl_runtime / dl_period Daniel Bristot de Oliveira <bristot@redhat.com> - 2017-05-29 16:30 +0200

csiph-web