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LP #972999: pt-summary Reports Unstable CPU Speeds

Description

**Reported in Launchpad by Jervin R last update 06-10-2013 04:17:53

  1. Processor ##################################################
    Processors | physical = 1, cores = 4, virtual = 8, hyperthreading = yes
    Speeds | 7x1600.000, 1x2200.000
    Models | 8xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
    Caches | 8x8192 KB

  1. Processor ##################################################
    Processors | physical = 1, cores = 4, virtual = 8, hyperthreading = yes
    Speeds | 6x1600.000, 2x3201.000
    Models | 8xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
    Caches | 8x8192 KB

  1. Processor ##################################################
    Processors | physical = 1, cores = 4, virtual = 8, hyperthreading = yes
    Speeds | 8x1600.000
    Models | 8xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
    Caches | 8x8192 KB

[root@forge bin]# cat /proc/cpuinfo |awk -F: '/cpu MHz/{print $2}'|sort | uniq -c
8 1600.000
[root@forge bin]# cat /proc/cpuinfo |awk -F: '/cpu MHz/{print $2}'|sort | uniq -c
8 1600.000
[root@forge bin]# cat /proc/cpuinfo |awk -F: '/cpu MHz/{print $2}'|sort | uniq -c
8 1600.000
[root@forge bin]# cat /proc/cpuinfo |awk -F: '/cpu MHz/{print $2}'|sort | uniq -c
8 1600.000
[root@forge bin]# cat /proc/cpuinfo |awk -F: '/cpu MHz/{print $2}'|sort | uniq -c
8 1600.000
[root@forge bin]# cat /proc/cpuinfo |awk -F: '/cpu MHz/{print $2}'|sort | uniq -c
8 1600.000

[root@forge bin]# tail pt-summary
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA.

=head1 VERSION

pt-summary 2.0.4

=cut

DOCUMENTATION

Environment

None

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Activity

lpjirasync January 24, 2018 at 6:30 PM

**Comment from Launchpad by: Launchpad Janitor on: 06-10-2013 04:17:52

[Expired for Percona Toolkit because there has been no activity for 60 days.]

lpjirasync January 24, 2018 at 6:30 PM

**Comment from Launchpad by: Jervin R on: 06-08-2013 14:30:48

Daniel,

Now I am able to repeat this with HT

[root@forge ~]# pt-summary --version
pt-summary 2.2.4

[root@forge ~]# pt-summary

  1. Percona Toolkit System Summary Report ######################
    Date | 2013-08-06 14:20:09 UTC (local TZ: EDT -0400)
    Hostname | forge.dotmanila.com
    Uptime | 2 days, 9:14, 6 users, load average: 0.00, 0.00, 0.00
    System | Supermicro; X10SLH-F/X10SLM+-F; v0123456789 (Main Server Chassis)
    Service Tag | 0123456789
    Platform | Linux
    Release | CentOS release 6.4 (Final)
    Kernel | 2.6.32-358.14.1.el6.x86_64
    Architecture | CPU = 64-bit, OS = 64-bit
    Threading | NPTL 2.12
    SELinux | Permissive
    Virtualized | No virtualization detected

  2. Processor ##################################################
    Processors | physical = 1, cores = 4, virtual = 8, hyperthreading = yes
    Speeds | 1x1000.000, 1x3501.000, 6x800.000
    Models | 8xIntel(R) Xeon(R) CPU E3-1270 v3 @ 3.50GHz
    Caches | 8x8192 KB

  3. Memory #####################################################
    ...

lpjirasync January 24, 2018 at 6:30 PM

**Comment from Launchpad by: Daniel Nichter on: 10-07-2013 18:10:56

Jervin, were you able to try with HT enabled?

lpjirasync January 24, 2018 at 6:30 PM

**Comment from Launchpad by: Daniel Nichter on: 28-06-2013 17:12:29

Thanks Jervin. Let me know if HT changes it. If not, we'll close this bug and see if it comes up later.

lpjirasync January 24, 2018 at 6:30 PM

**Comment from Launchpad by: Jervin R on: 28-06-2013 00:10:33

Daniel,

I could not reproduce this on the same box I tested this with - though it might be hyperthreading as it was enabled before.

[revin@forge pt]$ /wok/bin/pt/204/bin/pt-summary|grep -E "Processors|Speeds|Models"
Processors | physical = 1, cores = 4, virtual = 4, hyperthreading = no
Speeds | 4x3192.870
Models | 4xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
[revin@forge pt]$ /wok/bin/pt/204/bin/pt-summary|grep -E "Processors|Speeds|Models"
Processors | physical = 1, cores = 4, virtual = 4, hyperthreading = no
Speeds | 4x3192.870
Models | 4xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
[revin@forge pt]$ /wok/bin/pt/204/bin/pt-summary|grep -E "Processors|Speeds|Models"
Processors | physical = 1, cores = 4, virtual = 4, hyperthreading = no
Speeds | 4x3192.870
Models | 4xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
[revin@forge pt]$ /wok/bin/pt/204/bin/pt-summary|grep -E "Processors|Speeds|Models"
Processors | physical = 1, cores = 4, virtual = 4, hyperthreading = no
Speeds | 4x3192.870
Models | 4xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz

Same with latest 2.2.3

[revin@forge pt]$ /wok/bin/pt/223/bin/pt-summary --version
pt-summary 2.2.3
[revin@forge pt]$ /wok/bin/pt/223/bin/pt-summary|grep -E "Processors|Speeds|Models"
Processors | physical = 1, cores = 4, virtual = 4, hyperthreading = no
Speeds | 4x3192.870
Models | 4xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
[revin@forge pt]$ /wok/bin/pt/223/bin/pt-summary|grep -E "Processors|Speeds|Models"
Processors | physical = 1, cores = 4, virtual = 4, hyperthreading = no
Speeds | 4x3192.870
Models | 4xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
[revin@forge pt]$ /wok/bin/pt/223/bin/pt-summary|grep -E "Processors|Speeds|Models"
Processors | physical = 1, cores = 4, virtual = 4, hyperthreading = no
Speeds | 4x3192.870
Models | 4xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz

I'll see if I can enable HT - might take a while though as KVM is slooow

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Created January 24, 2018 at 6:30 PM
Updated February 4, 2018 at 1:58 AM
Resolved January 24, 2018 at 6:30 PM