From: "tip-bot2 for Ricardo Neri" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Zhang Rui <rui.zhang@intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: sched/core] sched/fair: Move is_core_idle() out of CONFIG_NUMA
Date: Wed, 10 May 2023 13:49:15 -0000 [thread overview]
Message-ID: <168372655561.404.2932262333236727103.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20230406203148.19182-2-ricardo.neri-calderon@linux.intel.com>
The following commit has been merged into the sched/core branch of tip:
Commit-ID: 8b36d07f1d63de102d464f44a89704bc62d00811
Gitweb: https://git.kernel.org/tip/8b36d07f1d63de102d464f44a89704bc62d00811
Author: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
AuthorDate: Thu, 06 Apr 2023 13:31:37 -07:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Mon, 08 May 2023 10:58:33 +02:00
sched/fair: Move is_core_idle() out of CONFIG_NUMA
asym_packing needs this function to determine whether an SMT core is a
suitable destination for load balancing.
Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20230406203148.19182-2-ricardo.neri-calderon@linux.intel.com
---
kernel/sched/fair.c | 34 +++++++++++++++++-----------------
1 file changed, 17 insertions(+), 17 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 373ff5f..a47208d 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1064,6 +1064,23 @@ update_stats_curr_start(struct cfs_rq *cfs_rq, struct sched_entity *se)
* Scheduling class queueing methods:
*/
+static inline bool is_core_idle(int cpu)
+{
+#ifdef CONFIG_SCHED_SMT
+ int sibling;
+
+ for_each_cpu(sibling, cpu_smt_mask(cpu)) {
+ if (cpu == sibling)
+ continue;
+
+ if (!idle_cpu(sibling))
+ return false;
+ }
+#endif
+
+ return true;
+}
+
#ifdef CONFIG_NUMA
#define NUMA_IMBALANCE_MIN 2
@@ -1700,23 +1717,6 @@ struct numa_stats {
int idle_cpu;
};
-static inline bool is_core_idle(int cpu)
-{
-#ifdef CONFIG_SCHED_SMT
- int sibling;
-
- for_each_cpu(sibling, cpu_smt_mask(cpu)) {
- if (cpu == sibling)
- continue;
-
- if (!idle_cpu(sibling))
- return false;
- }
-#endif
-
- return true;
-}
-
struct task_numa_env {
struct task_struct *p;
next prev parent reply other threads:[~2023-05-10 13:50 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-06 20:31 [PATCH v4 00/12] sched: Avoid unnecessary migrations within SMT domains Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 01/12] sched/fair: Move is_core_idle() out of CONFIG_NUMA Ricardo Neri
2023-05-10 13:49 ` tip-bot2 for Ricardo Neri [this message]
2023-04-06 20:31 ` [PATCH v4 02/12] sched/fair: Only do asym_packing load balancing from fully idle SMT cores Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 03/12] sched/fair: Simplify asym_packing logic for " Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 04/12] sched/fair: Let low-priority cores help high-priority busy " Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 05/12] sched/fair: Keep a fully_busy SMT sched group as busiest Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-05-12 18:41 ` [PATCH v4 05/12] " Shrikanth Hegde
2023-05-19 0:01 ` Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 06/12] sched/fair: Use the busiest group to set prefer_sibling Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 07/12] sched/fair: Do not even the number of busy CPUs via asym_packing Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 08/12] sched/topology: Check SDF_SHARED_CHILD in highest_flag_domain() Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 09/12] sched/topology: Remove SHARED_CHILD from ASYM_PACKING Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 10/12] x86/sched: Remove SD_ASYM_PACKING from the SMT domain flags Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 11/12] x86/sched/itmt: Give all SMT siblings of a core the same priority Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2023-04-06 20:31 ` [PATCH v4 12/12] x86/sched: Add the SD_ASYM_PACKING flag to the die domain of hybrid processors Ricardo Neri
2023-05-10 13:49 ` [tip: sched/core] " tip-bot2 for Chen Yu
2023-04-29 15:32 ` [PATCH v4 00/12] sched: Avoid unnecessary migrations within SMT domains Peter Zijlstra
2023-05-01 18:30 ` Tim Chen
2023-05-02 1:42 ` Ricardo Neri
2023-05-02 1:52 ` Steven Rostedt
2023-05-12 18:23 ` Shrikanth Hegde
2023-05-19 0:03 ` Ricardo Neri
2023-05-22 7:55 ` Shrikanth Hegde
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=168372655561.404.2932262333236727103.tip-bot2@tip-bot2 \
--to=tip-bot2@linutronix.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tip-commits@vger.kernel.org \
--cc=peterz@infradead.org \
--cc=ricardo.neri-calderon@linux.intel.com \
--cc=rui.zhang@intel.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®