------- Comment From pavsu...@in.ibm.com 2019-02-15 01:11 EDT-------
I have installed all the packages as mentioned.
root@ltc-zz10:~# dpkg -i
linux-modules-4.15.0-45-generic_4.15.0-45.48~16.04.1_ppc64el.deb
(Reading database ... 129194 files and directories currently installed.)
Preparing to unpack
linux-modules-4.15.0-45-generic_4.15.0-45.48~16.04.1_ppc64el.deb ...
Unpacking linux-modules-4.15.0-45-generic (4.15.0-45.48~16.04.1) over
(4.15.0-45.48~16.04.1) ...
Setting up linux-modules-4.15.0-45-generic (4.15.0-45.48~16.04.1) ...
Processing triggers for linux-image-unsigned-4.15.0-45-generic
(4.15.0-45.48~16.04.1) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-4.15.0-45-generic
W: mdadm: /etc/mdadm/mdadm.conf defines no arrays.
/etc/kernel/postinst.d/x-grub-legacy-ec2:
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Updating /boot/grub/menu.lst ... done
/etc/kernel/postinst.d/zz-update-grub:
Generating grub configuration file ...
Found linux image: /boot/vmlinux-4.15.0-45-generic
Found initrd image: /boot/initrd.img-4.15.0-45-generic
Found linux image: /boot/vmlinux-4.15.0-43-generic
Found initrd image: /boot/initrd.img-4.15.0-43-generic
done
root@ltc-zz10:~# dpkg -i
linux-modules-extra-4.15.0-45-generic_4.15.0-45.48~16.04.1_ppc64el.deb
(Reading database ... 129185 files and directories currently installed.)
Preparing to unpack
linux-modules-extra-4.15.0-45-generic_4.15.0-45.48~16.04.1_ppc64el.deb ...
Unpacking linux-modules-extra-4.15.0-45-generic (4.15.0-45.48~16.04.1) over
(4.15.0-45.48~16.04.1) ...
Setting up linux-modules-extra-4.15.0-45-generic (4.15.0-45.48~16.04.1) ...
Processing triggers for linux-image-unsigned-4.15.0-45-generic
(4.15.0-45.48~16.04.1) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-4.15.0-45-generic
W: mdadm: /etc/mdadm/mdadm.conf defines no arrays.
/etc/kernel/postinst.d/x-grub-legacy-ec2:
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Updating /boot/grub/menu.lst ... done
/etc/kernel/postinst.d/zz-update-grub:
Generating grub configuration file ...
Found linux image: /boot/vmlinux-4.15.0-45-generic
Found initrd image: /boot/initrd.img-4.15.0-45-generic
Found linux image: /boot/vmlinux-4.15.0-43-generic
Found initrd image: /boot/initrd.img-4.15.0-43-generic
done
root@ltc-zz10:~# dpkg -i
linux-image-unsigned-4.15.0-45-generic_4.15.0-45.48~16.04.1_ppc64el.deb
(Reading database ... 129175 files and directories currently installed.)
Preparing to unpack
linux-image-unsigned-4.15.0-45-generic_4.15.0-45.48~16.04.1_ppc64el.deb ...
Unpacking linux-image-unsigned-4.15.0-45-generic (4.15.0-45.48~16.04.1) over
(4.15.0-45.48~16.04.1) ...
Setting up linux-image-unsigned-4.15.0-45-generic (4.15.0-45.48~16.04.1) ...
Processing triggers for linux-image-unsigned-4.15.0-45-generic
(4.15.0-45.48~16.04.1) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-4.15.0-45-generic
W: mdadm: /etc/mdadm/mdadm.conf defines no arrays.
/etc/kernel/postinst.d/x-grub-legacy-ec2:
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Updating /boot/grub/menu.lst ... done
/etc/kernel/postinst.d/zz-update-grub:
Generating grub configuration file ...
Found linux image: /boot/vmlinux-4.15.0-45-generic
Found initrd image: /boot/initrd.img-4.15.0-45-generic
Found linux image: /boot/vmlinux-4.15.0-43-generic
Found initrd image: /boot/initrd.img-4.15.0-43-generic
done
Then rebooted the Linux HOST and executed the command again.
root@ltc-zz10:~# reboot
root@ltc-zz10:~# dpkg --list | grep linux-modules
ii linux-modules-4.15.0-43-generic 4.15.0-43.46~16.04.1
ppc64el Linux kernel extra modules for version 4.15.0 on PowerPC
64el SMP
ii linux-modules-4.15.0-45-generic 4.15.0-45.48~16.04.1
ppc64el Linux kernel extra modules for version 4.15.0 on PowerPC
64el SMP
ii linux-modules-extra-4.15.0-43-generic 4.15.0-43.46~16.04.1
ppc64el Linux kernel extra modules for version 4.15.0 on PowerPC
64el SMP
ii linux-modules-extra-4.15.0-45-generic 4.15.0-45.48~16.04.1
ppc64el Linux kernel extra modules for version 4.15.0 on PowerPC
64el SMP
root@ltc-zz10:~# dpkg --list | grep linux-image
ii linux-image-4.15.0-43-generic 4.15.0-43.46~16.04.1
ppc64el Signed kernel image generic
rc linux-image-4.15.0-45-generic 4.15.0-45.48~16.04.1
ppc64el Signed kernel image generic
ii linux-image-unsigned-4.15.0-45-generic 4.15.0-45.48~16.04.1
ppc64el Linux kernel image for version 4.15.0 on PowerPC 64el SMP
root@ltc-zz10:~# uname -a
Linux ltc-zz10 4.15.0-45-generic #48~16.04.1 SMP Mon Feb 11 17:18:03 UTC 2019
ppc64le ppc64le ppc64le GNU/Linux
root@ltc-zz10:~# cpupower monitor
|Idle_Stats
PKG |CORE|CPU | snoo | stop | stop | stop | stop | stop | stop
0| 16| 0| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 14.86
0| 16| 1| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 16| 2| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 16| 3| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 20| 4| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 20| 5| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 20| 6| 0.00| 0.00| 0.00| 0.00| 223.0| 0.00| 0.00
0| 20| 7| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 32| 8| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 32| 9| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 32| 10| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 32| 11| 0.00| 0.00| 0.00| 0.00| 44.01| 0.00| 60.41
0| 36| 12| 0.00| 0.00| 0.00| 0.00| 8.82| 0.00| 86.52
0| 36| 13| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 36| 14| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 36| 15| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 40| 16| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 36.80
0| 40| 17| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 40| 18| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 40| 19| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 294.5
0| 44| 20| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 44| 21| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 44| 22| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 19.12
0| 44| 23| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 48| 24| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 48| 25| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 99.31
0| 48| 26| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 48| 27| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 52| 28| 0.00| 0.00| 0.00| 0.00| 7.38| 0.00| 94.78
0| 52| 29| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 52| 30| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 52| 31| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 18.34
0| 56| 32| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 56| 33| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 56| 34| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 56| 35| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 60| 36| 0.00| 0.00| 0.00| 0.00| 1.58| 0.00| 0.00
0| 60| 37| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 60| 38| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 60| 39| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 64| 40| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 14.43
0| 64| 41| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 64| 42| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 64| 43| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 68| 44| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 14.34
0| 68| 45| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 68| 46| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 68| 47| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 80| 48| 0.00| 0.00| 0.00| 0.00| 2.93| 0.00| 96.02
0| 80| 49| 0.00| 0.00| 0.00| 0.00| 15.50| 0.00| 0.00
0| 80| 50| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 80| 51| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 101.3
0| 84| 52| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 14.32
0| 84| 53| 0.00| 0.00| 0.00| 0.00| 4.32| 0.00| 334.6
0| 84| 54| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 99.01
0| 84| 55| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 88| 56| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 88| 57| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 88| 58| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 88| 59| 0.00| 0.00| 0.00| 0.00| 15.50| 0.00| 0.00
0| 92| 60| 0.00| 0.00| 0.00| 0.00| 1.96| 0.00| 93.35
0| 92| 61| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 92| 62| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
0| 92| 63| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2072| 64| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2072| 65| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2072| 66| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2072| 67| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2076| 68| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2076| 69| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2076| 70| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2076| 71| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2080| 72| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2080| 73| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2080| 74| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2080| 75| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2084| 76| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2084| 77| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2084| 78| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2084| 79| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2088| 80| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2088| 81| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2088| 82| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2088| 83| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2092| 84| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2092| 85| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2092| 86| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2092| 87| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2096| 88| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2096| 89| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2096| 90| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2096| 91| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2100| 92| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2100| 93| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2100| 94| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2100| 95| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2112| 96| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2112| 97| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2112| 98| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2112| 99| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2116| 100| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2116| 101| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2116| 102| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2116| 103| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2120| 104| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2120| 105| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2120| 106| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2120| 107| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2124| 108| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2124| 109| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2124| 110| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2124| 111| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2128| 112| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2128| 113| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2128| 114| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2128| 115| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2132| 116| 0.00| 0.00| 0.00| 0.00| 1.85| 0.00| 48.90
8|2132| 117| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2132| 118| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2132| 119| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2136| 120| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2136| 121| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2136| 122| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2136| 123| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2140| 124| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2140| 125| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2140| 126| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
8|2140| 127| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00
--
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1719545
Title:
[P9][LTCTest][Opal][FW910] cpupower monitor shows multiple stop
Idle_Stats
Status in The Ubuntu-power-systems project:
Confirmed
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Bionic:
Confirmed
Bug description:
== Comment: #0 - PAVAMAN SUBRAMANIYAM <pavsu...@in.ibm.com> - 2017-06-29
02:30:22 ==
---Problem Description---
cpupower monitor shows multiple stop Idle_Stats
---uname output---
Linux zz376p1 4.10.0-26-generic #30~16.04.1-Ubuntu SMP Tue Jun 27 09:38:48
UTC 2017 ppc64le ppc64le ppc64le GNU/Linux
Machine Type = P9
---Debugger---
A debugger is not configured
---Steps to Reproduce---
Install a P9 8375-42A Hardware with Ubuntu 16.04.3 OS.
Then execute the cpupower monitor command to fetch all the Idle_Stats values.
root@zz376p1:~# cpupower monitor
|Idle_Stats
PKG |CORE|CPU | snoo | stop | stop
0| 8| 0| 0.00| 0.00| 2.79
0| 8| 1| 0.00| 0.00| 70.68
0| 8| 2| 0.00| 0.00| 99.87
0| 8| 3| 0.00| 0.00| 67.28
0| 12| 4| 0.00| 0.00| 5.17
0| 12| 5| 0.00| 0.00| 12.50
0| 12| 6| 0.00| 0.00| 99.74
0| 12| 7| 0.00| 0.00| 0.00
8|2048| 8| 0.00| 0.00| 22.14
8|2048| 9| 0.00| 0.00| 102.3
8|2048| 10| 0.00| 0.00| 0.00
8|2048| 11| 0.00| 0.00| 99.97
8|2052| 12| 0.00| 0.00| 99.70
8|2052| 13| 0.00| 0.00| 23.86
8|2052| 14| 0.00| 0.00| 113.1
8|2052| 15| 0.00| 0.00| 0.00
As can be seen it shows 2 columns for stop.
root@zz376p1:~# uname -a
Linux zz376p1 4.10.0-26-generic #30~16.04.1-Ubuntu SMP Tue Jun 27 09:38:48
UTC 2017 ppc64le ppc64le ppc64le GNU/Linux
root@zz376p1:~# cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04.2 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.2 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial
root@zz376p1:~# cat /proc/cpuinfo | tail
processor : 15
cpu : POWER9 (raw), altivec supported
clock : 2600.000000MHz
revision : 1.0 (pvr 004e 0100)
timebase : 512000000
platform : PowerNV
model : 8375-42A
machine : PowerNV 8375-42A
firmware : OPAL
Userspace tool common name: /usr/bin/cpupower
The userspace tool has the following bit modes: 64-bit
Userspace rpm: linux-tools-common
Userspace tool obtained from project website: na
*Additional Instructions for pavsu...@in.ibm.com:
-Post a private note with access information to the machine that the bug is
occuring on.
-Attach ltrace and strace of userspace application.
.
There are 3 idle_stats (3 states) in this system.
root@zz376p1:/sys/devices/system/cpu/cpu0/cpuidle/state2# cpupower monitor -l
Monitor "Idle_Stats" (3 states) - Might overflow after 4294967295 s
snoo [T] -> snooze
stop [T] -> stop0_lite
stop [T] -> stop1_lite
root@zz376p1:/sys/devices/system/cpu/cpu0/cpuidle/state2# cpupower idle-info
CPUidle driver: powernv_idle
CPUidle governor: menu
analyzing CPU 0:
Number of idle states: 3
Available idle states: snooze stop0_lite stop1_lite
snooze:
Flags/Description: snooze
Latency: 0
Usage: 224
Duration: 423
stop0_lite:
Flags/Description: stop0_lite
Latency: 0
Usage: 1685
Duration: 530522
stop1_lite:
Flags/Description: stop1_lite
Latency: 4
Usage: 12693
Duration: 5405898106
root@zz376p1:/sys/devices/system/cpu/cpu0/cpuidle/state2# cpupower monitor -l
Monitor "Idle_Stats" (3 states) - Might overflow after 4294967295 s
snoo [T] -> snooze
stop [T] -> stop0_lite
stop [T] -> stop1_lite
root@zz376p1:/sys/devices/system/cpu/cpu0/cpuidle/state2# cpupower idle-info
CPUidle driver: powernv_idle
CPUidle governor: menu
analyzing CPU 0:
Number of idle states: 3
Available idle states: snooze stop0_lite stop1_lite
snooze:
Flags/Description: snooze
Latency: 0
Usage: 272
Duration: 905
stop0_lite:
Flags/Description: stop0_lite
Latency: 0
Usage: 2141
Duration: 536399
stop1_lite:
Flags/Description: stop1_lite
Latency: 4
Usage: 15396
Duration: 6625668881
cpu monitor will print the results of all the 3 available idle_stats .
The first stop -> stop0_lite stats
and
The second stop -> stop1_lite stats.
cpupower monitor header prints the header list by getting the name of
the idle stats.
name (name description)
snoo [T] -> snooze
stop [T] -> stop0_lite
stop [T] -> stop1_lite
We can change the header to be more meaningful so user won't interpret
it as 2 columns for stop.
May be we need to change the code to print the header to use name description
instead of name.
.
I will work on the patch and get it resolve.
== Comment: #8 - PAVAMAN SUBRAMANIYAM <pavsu...@in.ibm.com> - 2017-06-30
03:42:01 ==
I have executed the command again with the fixed cpupower utility.
Submitted patch upstream and awaiting response.
https://lkml.org/lkml/2017/7/31/177
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