Activity log for bug #2008519

Date Who What changed Old value New value Message
2023-02-24 18:54:57 pragyansri.pathi@intel.com bug added bug
2023-02-24 18:55:20 pragyansri.pathi@intel.com bug added subscriber sverdy
2023-02-24 18:55:47 pragyansri.pathi@intel.com bug added subscriber Srinivas Pandruvada
2023-02-24 18:57:19 pragyansri.pathi@intel.com bug added subscriber Rex Tsai
2023-02-24 18:57:27 pragyansri.pathi@intel.com bug added subscriber quanxian
2023-02-24 18:59:02 pragyansri.pathi@intel.com bug task added linux (Ubuntu)
2023-02-24 19:00:06 Ubuntu Kernel Bot linux (Ubuntu): status New Incomplete
2023-02-24 21:36:15 Jeff Lane  bug added subscriber Jeff Lane 
2023-03-05 04:34:43 pragyansri.pathi@intel.com intel: status New Fix Released
2023-03-10 08:39:39 Stefan Bader nominated for series Ubuntu Jammy
2023-03-10 08:39:39 Stefan Bader bug task added linux (Ubuntu Jammy)
2023-03-10 08:43:28 Stefan Bader linux (Ubuntu Jammy): importance Undecided Medium
2023-03-10 08:43:28 Stefan Bader linux (Ubuntu Jammy): status New In Progress
2023-03-10 08:43:28 Stefan Bader linux (Ubuntu Jammy): assignee Stefan Bader (smb)
2023-03-10 08:44:08 Stefan Bader description [Feature Description] Ubuntu uses powersave governor as the default.While the powersave governor has much lower power, the performance is lower than +25% for several workloads compared to performance governor. Report is published: www.Phoronix.com showing difference of 37% The goal here is to keep mean performance delta of powersave governor from performance governor around 10% to 12% by running wide variety of server workloads. For some bursty workload, this delta can be still large, as ramp up of frequency will still lag with powersave governor irrespective of EPP setting. The performance governor always requests maximum frequency. Based on experiments, EPP of 0x00, 0x10, 0x20, the performance delta for powersave governor is around 12%. But the EPP 0x20 has 18% lower average power. Also experiments are done by raising intel_pstate sysfs min_perf_pct as high as 50%. This didn't bring in any additional improvements compared to just changing EPP. Target Kernel: 6.3 Target Release: 22.04 (5.15 kernel) [HW/SW Information] Sapphire Rapids [Business Justification] Performance Improvements Upstream: Merged 6.3 Commit ID: To be added [Feature Description] Ubuntu uses powersave governor as the default.While the powersave governor has much lower power, the performance is lower than +25% for several workloads compared to performance governor. Report is published: www.Phoronix.com showing difference of 37% The goal here is to keep mean performance delta of powersave governor from performance governor around 10% to 12% by running wide variety of server workloads. For some bursty workload, this delta can be still large, as ramp up of frequency will still lag with powersave governor irrespective of EPP setting. The performance governor always requests maximum frequency. Based on experiments, EPP of 0x00, 0x10, 0x20, the performance delta for powersave governor is around 12%. But the EPP 0x20 has 18% lower average power. Also experiments are done by raising intel_pstate sysfs min_perf_pct as high as 50%. This didn't bring in any additional improvements compared to just changing EPP. Target Kernel: 6.3 Target Release: 22.04 (5.15 kernel) [HW/SW Information] Sapphire Rapids [Business Justification] Performance Improvements Upstream: Merged 6.3 Commit ID: 60675225ebeecea248035fd3a0efc82ae9038a98
2023-03-10 09:02:43 Stefan Bader nominated for series Ubuntu Lunar
2023-03-10 09:02:43 Stefan Bader bug task added linux (Ubuntu Lunar)
2023-03-10 09:02:43 Stefan Bader nominated for series Ubuntu Kinetic
2023-03-10 09:02:43 Stefan Bader bug task added linux (Ubuntu Kinetic)
2023-03-10 09:03:00 Stefan Bader linux (Ubuntu Lunar): importance Undecided Medium
2023-03-10 09:03:00 Stefan Bader linux (Ubuntu Lunar): status Incomplete In Progress
2023-03-10 09:03:12 Stefan Bader linux (Ubuntu Kinetic): importance Undecided Medium
2023-03-10 09:03:12 Stefan Bader linux (Ubuntu Kinetic): status New In Progress
2023-03-10 09:18:16 Stefan Bader description [Feature Description] Ubuntu uses powersave governor as the default.While the powersave governor has much lower power, the performance is lower than +25% for several workloads compared to performance governor. Report is published: www.Phoronix.com showing difference of 37% The goal here is to keep mean performance delta of powersave governor from performance governor around 10% to 12% by running wide variety of server workloads. For some bursty workload, this delta can be still large, as ramp up of frequency will still lag with powersave governor irrespective of EPP setting. The performance governor always requests maximum frequency. Based on experiments, EPP of 0x00, 0x10, 0x20, the performance delta for powersave governor is around 12%. But the EPP 0x20 has 18% lower average power. Also experiments are done by raising intel_pstate sysfs min_perf_pct as high as 50%. This didn't bring in any additional improvements compared to just changing EPP. Target Kernel: 6.3 Target Release: 22.04 (5.15 kernel) [HW/SW Information] Sapphire Rapids [Business Justification] Performance Improvements Upstream: Merged 6.3 Commit ID: 60675225ebeecea248035fd3a0efc82ae9038a98 [SRU Justification] == Impact == See original description. The goal is to adjust the behavior of the balanced governor for certain Xeon CPUs (those are CPUs rather seen in servers so there should be no impact on laptop users). While the initial request was Jammy/5.15 only we should do this to Kinetic and Lunar as well so the experience is the same regardless of release. == Fix == This picks one change from v6.3-rc1 which tweaks the intel_idle driver for a specific CPU model. == Test case == <TBD one of the artificial workloads to compare before and after> == Regression Potential == The change modifies how quickly CPUs scale up (and probably down) depending on workload. Power usage unlikely is of that much concern in server space. Maybe increased heat would be observed. == Original description == [Feature Description] Ubuntu uses powersave governor as the default.While the powersave governor has much lower power, the performance is lower than +25% for several workloads compared to performance governor. Report is published: www.Phoronix.com showing difference of 37% The goal here is to keep mean performance delta of powersave governor from performance governor around 10% to 12% by running wide variety of server workloads. For some bursty workload, this delta can be still large, as ramp up of frequency will still lag with powersave governor irrespective of EPP setting. The performance governor always requests maximum frequency. Based on experiments, EPP of 0x00, 0x10, 0x20, the performance delta for powersave governor is around 12%. But the EPP 0x20 has 18% lower average power. Also experiments are done by raising intel_pstate sysfs min_perf_pct as high as 50%. This didn't bring in any additional improvements compared to just changing EPP. Target Kernel: 6.3 Target Release: 22.04 (5.15 kernel) [HW/SW Information] Sapphire Rapids [Business Justification] Performance Improvements Upstream: Merged 6.3 Commit ID: 60675225ebeecea248035fd3a0efc82ae9038a98
2023-03-10 10:04:30 Stefan Bader description [SRU Justification] == Impact == See original description. The goal is to adjust the behavior of the balanced governor for certain Xeon CPUs (those are CPUs rather seen in servers so there should be no impact on laptop users). While the initial request was Jammy/5.15 only we should do this to Kinetic and Lunar as well so the experience is the same regardless of release. == Fix == This picks one change from v6.3-rc1 which tweaks the intel_idle driver for a specific CPU model. == Test case == <TBD one of the artificial workloads to compare before and after> == Regression Potential == The change modifies how quickly CPUs scale up (and probably down) depending on workload. Power usage unlikely is of that much concern in server space. Maybe increased heat would be observed. == Original description == [Feature Description] Ubuntu uses powersave governor as the default.While the powersave governor has much lower power, the performance is lower than +25% for several workloads compared to performance governor. Report is published: www.Phoronix.com showing difference of 37% The goal here is to keep mean performance delta of powersave governor from performance governor around 10% to 12% by running wide variety of server workloads. For some bursty workload, this delta can be still large, as ramp up of frequency will still lag with powersave governor irrespective of EPP setting. The performance governor always requests maximum frequency. Based on experiments, EPP of 0x00, 0x10, 0x20, the performance delta for powersave governor is around 12%. But the EPP 0x20 has 18% lower average power. Also experiments are done by raising intel_pstate sysfs min_perf_pct as high as 50%. This didn't bring in any additional improvements compared to just changing EPP. Target Kernel: 6.3 Target Release: 22.04 (5.15 kernel) [HW/SW Information] Sapphire Rapids [Business Justification] Performance Improvements Upstream: Merged 6.3 Commit ID: 60675225ebeecea248035fd3a0efc82ae9038a98 [SRU Justification] == Impact == See original description. The goal is to adjust the behavior of the balanced governor for certain Xeon CPUs (those are CPUs rather seen in servers so there should be no impact on laptop users). While the initial request was Jammy/5.15 only we should do this to Kinetic and Lunar as well so the experience is the same regardless of release. == Fix == This picks one change from v6.3-rc1 which tweaks the intel_idle driver for a specific CPU model. For Jammy/5.15 this requires one additional change which introduces the EPP tweak for Alderlake. == Test case == <TBD one of the artificial workloads to compare before and after> == Regression Potential == The change modifies how quickly CPUs scale up (and probably down) depending on workload. Power usage unlikely is of that much concern in server space. Maybe increased heat would be observed. For Jammy there is the additional risk of havind a different power usage on Alderlake which is a Laptop CPU. However that change is part of v5.17 and thus would already be in effect with current 22.04 HWE. == Original description == [Feature Description] Ubuntu uses powersave governor as the default.While the powersave governor has much lower power, the performance is lower than +25% for several workloads compared to performance governor. Report is published: www.Phoronix.com showing difference of 37% The goal here is to keep mean performance delta of powersave governor from performance governor around 10% to 12% by running wide variety of server workloads. For some bursty workload, this delta can be still large, as ramp up of frequency will still lag with powersave governor irrespective of EPP setting. The performance governor always requests maximum frequency. Based on experiments, EPP of 0x00, 0x10, 0x20, the performance delta for powersave governor is around 12%. But the EPP 0x20 has 18% lower average power. Also experiments are done by raising intel_pstate sysfs min_perf_pct as high as 50%. This didn't bring in any additional improvements compared to just changing EPP. Target Kernel: 6.3 Target Release: 22.04 (5.15 kernel) [HW/SW Information] Sapphire Rapids [Business Justification] Performance Improvements Upstream: Merged 6.3 Commit ID: 60675225ebeecea248035fd3a0efc82ae9038a98
2023-03-14 09:49:52 Stefan Bader linux (Ubuntu Lunar): status In Progress Fix Committed
2023-03-14 09:50:17 Stefan Bader linux (Ubuntu Jammy): status In Progress Fix Committed
2023-03-14 09:51:13 Stefan Bader linux (Ubuntu Kinetic): status In Progress Fix Committed
2023-03-22 17:29:13 Launchpad Janitor linux (Ubuntu Lunar): status Fix Committed Fix Released
2023-03-27 19:52:35 Ubuntu Kernel Bot tags egs intel-kernel-22.04 egs intel-kernel-22.04 kernel-spammed-jammy-linux verification-needed-jammy
2023-03-28 11:51:16 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-jammy-linux verification-needed-jammy egs intel-kernel-22.04 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux verification-needed-jammy verification-needed-kinetic
2023-04-18 10:37:36 Launchpad Janitor linux (Ubuntu Jammy): status Fix Committed Fix Released
2023-04-18 10:37:36 Launchpad Janitor cve linked 2023-1281
2023-04-18 10:37:36 Launchpad Janitor cve linked 2023-26545
2023-04-18 10:42:09 Launchpad Janitor linux (Ubuntu Kinetic): status Fix Committed Fix Released
2023-04-18 10:42:09 Launchpad Janitor cve linked 2022-41218
2023-04-18 10:42:09 Launchpad Janitor cve linked 2022-47929
2023-04-18 10:42:09 Launchpad Janitor cve linked 2023-0468
2023-04-18 10:42:09 Launchpad Janitor cve linked 2023-1032
2023-04-21 13:51:23 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-04-21 15:41:08 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-04-25 20:52:07 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-04-25 20:53:26 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-04-25 21:47:40 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-04-25 21:48:04 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-04-27 05:36:12 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-05-07 00:02:04 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-05-10 14:24:31 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-jammy-linux-xilinx-zynqmp kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic
2023-05-24 07:57:32 Jian Hui Lee tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-jammy-linux-xilinx-zynqmp kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-needed-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-jammy-linux-xilinx-zynqmp kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-done-focal verification-needed-jammy verification-needed-kinetic
2023-09-09 14:17:48 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-jammy-linux-xilinx-zynqmp kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-done-focal verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-aws-5.15-v2 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-jammy-linux-xilinx-zynqmp kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-done-focal verification-needed-focal-linux-aws-5.15 verification-needed-jammy verification-needed-kinetic
2024-03-01 06:18:40 Ubuntu Kernel Bot tags egs intel-kernel-22.04 kernel-spammed-focal-linux-aws-5.15-v2 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-jammy-linux-xilinx-zynqmp kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-done-focal verification-needed-focal-linux-aws-5.15 verification-needed-jammy verification-needed-kinetic egs intel-kernel-22.04 kernel-spammed-focal-linux-aws-5.15-v2 kernel-spammed-focal-linux-hwe-5.15 kernel-spammed-focal-linux-intel-iotg-5.15 kernel-spammed-jammy-linux kernel-spammed-jammy-linux-aws kernel-spammed-jammy-linux-azure kernel-spammed-jammy-linux-mtk-v2 kernel-spammed-jammy-linux-nvidia-5.19 kernel-spammed-jammy-linux-xilinx-zynqmp kernel-spammed-kinetic-linux kernel-spammed-kinetic-linux-aws kernel-spammed-kinetic-linux-azure kernel-spammed-kinetic-linux-ibm verification-done-focal verification-needed-focal-linux-aws-5.15 verification-needed-jammy verification-needed-jammy-linux-mtk verification-needed-kinetic