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From: Christian Loehle <christian.loehle@arm.com>
To: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	rafael@kernel.org, peterz@infradead.org
Cc: juri.lelli@redhat.com, mingo@redhat.com,
	dietmar.eggemann@arm.com, vschneid@redhat.com,
	vincent.guittot@linaro.org, Johannes.Thumshirn@wdc.com,
	adrian.hunter@intel.com, ulf.hansson@linaro.org,
	bvanassche@acm.org, andres@anarazel.de, asml.silence@gmail.com,
	linux-block@vger.kernel.org, io-uring@vger.kernel.org,
	qyousef@layalina.io, dsmythies@telus.net, axboe@kernel.dk,
	Christian Loehle <christian.loehle@arm.com>
Subject: [RFC PATCH 2/8] cpuidle: Prefer teo over menu governor
Date: Thu,  5 Sep 2024 10:26:39 +0100	[thread overview]
Message-ID: <20240905092645.2885200-3-christian.loehle@arm.com> (raw)
In-Reply-To: <20240905092645.2885200-1-christian.loehle@arm.com>

Since menu no longer has the interactivity boost teo works better
overall, so make it the default.

Signed-off-by: Christian Loehle <christian.loehle@arm.com>
---
 drivers/cpuidle/Kconfig          | 5 +----
 drivers/cpuidle/governors/menu.c | 2 +-
 drivers/cpuidle/governors/teo.c  | 2 +-
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig
index cac5997dca50..ae67a464025a 100644
--- a/drivers/cpuidle/Kconfig
+++ b/drivers/cpuidle/Kconfig
@@ -5,7 +5,7 @@ config CPU_IDLE
 	bool "CPU idle PM support"
 	default y if ACPI || PPC_PSERIES
 	select CPU_IDLE_GOV_LADDER if (!NO_HZ && !NO_HZ_IDLE)
-	select CPU_IDLE_GOV_MENU if (NO_HZ || NO_HZ_IDLE) && !CPU_IDLE_GOV_TEO
+	select CPU_IDLE_GOV_TEO if (NO_HZ || NO_HZ_IDLE) && !CPU_IDLE_GOV_MENU
 	help
 	  CPU idle is a generic framework for supporting software-controlled
 	  idle processor power management.  It includes modular cross-platform
@@ -30,9 +30,6 @@ config CPU_IDLE_GOV_TEO
 	  This governor implements a simplified idle state selection method
 	  focused on timer events and does not do any interactivity boosting.
 
-	  Some workloads benefit from using it and it generally should be safe
-	  to use.  Say Y here if you are not happy with the alternatives.
-
 config CPU_IDLE_GOV_HALTPOLL
 	bool "Haltpoll governor (for virtualized systems)"
 	depends on KVM_GUEST
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 28363bfa3e4c..c0ae5e98d6f1 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -508,7 +508,7 @@ static int menu_enable_device(struct cpuidle_driver *drv,
 
 static struct cpuidle_governor menu_governor = {
 	.name =		"menu",
-	.rating =	20,
+	.rating =	19,
 	.enable =	menu_enable_device,
 	.select =	menu_select,
 	.reflect =	menu_reflect,
diff --git a/drivers/cpuidle/governors/teo.c b/drivers/cpuidle/governors/teo.c
index f2992f92d8db..6c3cc39f285d 100644
--- a/drivers/cpuidle/governors/teo.c
+++ b/drivers/cpuidle/governors/teo.c
@@ -537,7 +537,7 @@ static int teo_enable_device(struct cpuidle_driver *drv,
 
 static struct cpuidle_governor teo_governor = {
 	.name =		"teo",
-	.rating =	19,
+	.rating =	20,
 	.enable =	teo_enable_device,
 	.select =	teo_select,
 	.reflect =	teo_reflect,
-- 
2.34.1


  parent reply	other threads:[~2024-09-05  9:27 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-05  9:26 [RFT RFC PATCH 0/8] cpufreq: cpuidle: Remove iowait behaviour Christian Loehle
2024-09-05  9:26 ` [RFC PATCH 1/8] cpuidle: menu: Remove iowait influence Christian Loehle
2024-09-30 14:58   ` Rafael J. Wysocki
2024-09-05  9:26 ` Christian Loehle [this message]
2024-09-30 15:06   ` [RFC PATCH 2/8] cpuidle: Prefer teo over menu governor Rafael J. Wysocki
2024-09-30 16:12     ` Christian Loehle
2024-09-30 16:42       ` Rafael J. Wysocki
2024-09-05  9:26 ` [RFC PATCH 3/8] TEST: cpufreq/schedutil: Linear iowait boost step Christian Loehle
2024-09-05  9:26 ` [RFC PATCH 4/8] TEST: cpufreq/schedutil: iowait boost cap sysfs Christian Loehle
2024-09-05  9:26 ` [RFC PATCH 5/8] cpufreq/schedutil: Remove iowait boost Christian Loehle
2024-09-30 16:34   ` Rafael J. Wysocki
2024-10-03  9:10     ` Christian Loehle
2024-10-03  9:47     ` Quentin Perret
2024-10-03 10:30       ` Christian Loehle
2024-10-05  0:39         ` Andres Freund
2024-10-09  9:54           ` Christian Loehle
2024-09-05  9:26 ` [RFC PATCH 6/8] cpufreq: intel_pstate: " Christian Loehle
2024-09-12 11:22   ` [RFC PATCH] TEST: cpufreq: intel_pstate: sysfs iowait_boost_cap Christian Loehle
2024-09-30 18:03   ` [RFC PATCH 6/8] cpufreq: intel_pstate: Remove iowait boost Rafael J. Wysocki
2024-09-30 20:35     ` srinivas pandruvada
2024-10-01  9:57       ` Christian Loehle
2024-10-01 14:46         ` srinivas pandruvada
2024-09-05  9:26 ` [RFC PATCH 7/8] cpufreq: Remove SCHED_CPUFREQ_IOWAIT update Christian Loehle
2024-09-05  9:26 ` [RFC PATCH 8/8] io_uring: Do not set iowait before sleeping Christian Loehle
2024-09-05 12:31 ` [RFT RFC PATCH 0/8] cpufreq: cpuidle: Remove iowait behaviour Christian Loehle

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