From 8b7fc7d24dc20455617e742f14201f9e44913ce0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
Date: Mon, 29 Jun 2026 17:55:04 +0200
Subject: [PATCH] sap-hana forced latency to 70 us

  Resolves: RHEL-184274
---
 ...d-2.21.0-sap-hana-latency-force-70us.patch | 32 +++++++++++++++++++
 tuned.spec                                    |  8 ++++-
 2 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 tuned-2.21.0-sap-hana-latency-force-70us.patch

diff --git a/tuned-2.21.0-sap-hana-latency-force-70us.patch b/tuned-2.21.0-sap-hana-latency-force-70us.patch
new file mode 100644
index 0000000..5178473
--- /dev/null
+++ b/tuned-2.21.0-sap-hana-latency-force-70us.patch
@@ -0,0 +1,32 @@
+From 90d0aee4d2d9ca6d1084f39a3c874e35d6f9fb76 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
+Date: Mon, 2 Feb 2026 16:59:27 +0100
+Subject: [PATCH] sap-hana: force latency to 70 us, not to C-states
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Resolves: RHEL-142285
+Resolves: #808
+
+Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
+---
+ profiles/sap-hana/tuned.conf | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/profiles/sap-hana/tuned.conf b/profiles/sap-hana/tuned.conf
+index 80cebe0..daea3df 100644
+--- a/profiles/sap-hana/tuned.conf
++++ b/profiles/sap-hana/tuned.conf
+@@ -6,7 +6,7 @@
+ summary=Optimize for SAP HANA
+ 
+ [cpu]
+-force_latency=cstate.id_no_zero:3|70
++force_latency=70
+ governor=performance
+ energy_perf_bias=performance
+ min_perf_pct=100
+-- 
+2.54.0
+
diff --git a/tuned.spec b/tuned.spec
index f0e089f..df34f78 100644
--- a/tuned.spec
+++ b/tuned.spec
@@ -35,7 +35,7 @@
 Summary: A dynamic adaptive system tuning daemon
 Name: tuned
 Version: 2.22.1
-Release: 6%{?prerel1}%{?dist}
+Release: 7%{?prerel1}%{?dist}
 License: GPLv2+
 Source0: https://github.com/redhat-performance/%{name}/archive/v%{version}%{?prerel2}/%{name}-%{version}%{?prerel2}.tar.gz
 # RHEL-8 specific recommend.conf:
@@ -106,6 +106,8 @@ Patch4: tuned-2.21.1-CVE-2024-52337.patch
 Patch5: tuned-2.22.1-use-hdparm-lazily.patch
 # Disable the amd.scheduler plug-in instance in the postgresql profile (see RHEL-70470 for details)
 Patch6: tuned-2.22.1-postgresql-disable-amd-instance.patch
+# sap-hana force latency to 70 us (see RHEL-184274 for details)
+Patch7: tuned-2.21.0-sap-hana-latency-force-70us.patch
 
 %description
 The tuned package contains a daemon that tunes system settings dynamically.
@@ -578,6 +580,10 @@ fi
 %config(noreplace) %{_sysconfdir}/tuned/ppd.conf
 
 %changelog
+* Mon Jun 29 2026 Jaroslav Škarvada <jskarvad@redhat.com> - 2.22.1-7
+- sap-hana forced latency to 70 us
+  Resolves: RHEL-184274
+
 * Mon Jan 06 2025 Pavol Žáčik <pzacik@redhat.com> - 2.22.1-6
 - Make hdparm device checks lazy
   Resolves: RHEL-71457