!55 [sync] PR-54: profiles: drop sched_ tuning where appropriate

From: @openeuler-sync-bot 
Reviewed-by: @wangbin224 
Signed-off-by: @wangbin224

profiles-drop-sched_-tuning-where-appropriate.patch

@@ -0,0 +1,107 @@
+From c6d6fdcc4c944df9998e0ebe75f31cc8aed452c1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
+Date: Wed, 30 Jun 2021 22:00:19 +0200
+Subject: [PATCH] profiles: drop sched_ tuning where appropriate
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+According to the performance team measurements the sched_ tuning
+should be dropped in several profiles.
+
+Resolves: rhbz#1957829
+
+Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
+---
+ profiles/latency-performance/tuned.conf    | 13 -------------
+ profiles/sap-hana/tuned.conf               |  4 ----
+ profiles/throughput-performance/tuned.conf | 22 ----------------------
+ profiles/virtual-host/tuned.conf           |  6 ------
+ 4 files changed, 45 deletions(-)
+
+diff --git a/profiles/latency-performance/tuned.conf b/profiles/latency-performance/tuned.conf
+index 66f06ae..da1e357 100644
+--- a/profiles/latency-performance/tuned.conf
++++ b/profiles/latency-performance/tuned.conf
+@@ -32,16 +32,3 @@ vm.dirty_background_ratio=3
+ # 100 tells the kernel to aggressively swap processes out of physical memory
+ # and move them to swap cache
+ vm.swappiness=10
+-
+-[scheduler]
+-# ktune sysctl settings for rhel6 servers, maximizing i/o throughput
+-#
+-# Minimal preemption granularity for CPU-bound tasks:
+-# (default: 1 msec#  (1 + ilog(ncpus)), units: nanoseconds)
+-sched_min_granularity_ns = 3000000
+-sched_wakeup_granularity_ns = 4000000
+-
+-# The total time the scheduler will consider a migrated process
+-# "cache hot" and thus less likely to be re-migrated
+-# (system default is 500000, i.e. 0.5 ms)
+-sched_migration_cost_ns = 5000000
+diff --git a/profiles/sap-hana/tuned.conf b/profiles/sap-hana/tuned.conf
+index c91a9ee..81d5930 100644
+--- a/profiles/sap-hana/tuned.conf
++++ b/profiles/sap-hana/tuned.conf
+@@ -20,7 +20,3 @@ kernel.numa_balancing = 0
+ vm.dirty_ratio = 40
+ vm.dirty_background_ratio = 10
+ vm.swappiness = 10
+-
+-[scheduler]
+-sched_min_granularity_ns = 3000000
+-sched_wakeup_granularity_ns = 4000000
+diff --git a/profiles/throughput-performance/tuned.conf b/profiles/throughput-performance/tuned.conf
+index ebb3f7d..98c6b26 100644
+--- a/profiles/throughput-performance/tuned.conf
++++ b/profiles/throughput-performance/tuned.conf
+@@ -58,31 +58,9 @@ vm.dirty_background_ratio = 10
+ # on older kernels
+ net.core.somaxconn=>2048
+ 
+-[scheduler]
+-# ktune sysctl settings for rhel6 servers, maximizing i/o throughput
+-#
+-# Minimal preemption granularity for CPU-bound tasks:
+-# (default: 1 msec#  (1 + ilog(ncpus)), units: nanoseconds)
+-sched_min_granularity_ns = 10000000
+-
+-# SCHED_OTHER wake-up granularity.
+-# (default: 1 msec#  (1 + ilog(ncpus)), units: nanoseconds)
+-#
+-# This option delays the preemption effects of decoupled workloads
+-# and reduces their over-scheduling. Synchronous workloads will still
+-# have immediate wakeup/sleep latencies.
+-sched_wakeup_granularity_ns = 15000000
+-
+ # Marvell ThunderX
+ [sysctl.thunderx]
+ type=sysctl
+ uname_regex=aarch64
+ cpuinfo_regex=${thunderx_cpuinfo_regex}
+ kernel.numa_balancing=0
+-
+-# AMD
+-[scheduler.amd]
+-type=scheduler
+-uname_regex=x86_64
+-cpuinfo_regex=${amd_cpuinfo_regex}
+-sched_migration_cost_ns=5000000
+diff --git a/profiles/virtual-host/tuned.conf b/profiles/virtual-host/tuned.conf
+index 3358105..c1942da 100644
+--- a/profiles/virtual-host/tuned.conf
++++ b/profiles/virtual-host/tuned.conf
+@@ -14,9 +14,3 @@ vm.dirty_background_ratio = 5
+ [cpu]
+ # Setting C3 state sleep mode/power savings
+ force_latency=cstate.id_no_zero:3|70
+-
+-[scheduler]
+-# The total time the scheduler will consider a migrated process
+-# "cache hot" and thus less likely to be re-migrated
+-# (system default is 500000, i.e. 0.5 ms)
+-sched_migration_cost_ns = 5000000
+-- 
+2.43.0
+

tuned.spec

@@ -1,7 +1,7 @@
 Summary: A system tuning service for Linux
 Name: tuned
 Version: 2.20.0
-Release: 1
+Release: 2
 License: GPLv2+
 Source0: https://github.com/redhat-performance/%{name}/archive/refs/tags/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 URL: http://www.tuned-project.org/
@@ -35,6 +35,7 @@ Patch1: tuned-2.18.0-rhel-8-profiles.patch
 Patch2: tuned-2.18.0-sd-load-balance.patch
 Patch3: change-the-default-percentage-when-dirty-data-starts.patch
 Patch4: tuned-add-app-sensor-profile.patch
+Patch5: profiles-drop-sched_-tuning-where-appropriate.patch
 
 Provides:     tuned-gtk = %{version}-%{release}
 Provides:     tuned-utils = %{version}-%{release}
@@ -294,6 +295,9 @@ fi
 %{_mandir}/man7/tuned-profiles-spectrumscale-ece.7*
 
 %changelog
+* Fri Apr 12 2024 liuchao <liuchao173@huawei.com> - 2.20.0-2
+- profiles: drop sched_ tuning where appropriate
+
 * Tue Feb 27 2024 liuchao <liuchao173@huawei.com> - 2.20.0-1
 - downgrade to 2.20.0 to match the 24.03 LTS's minimum set of core packages