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charset="us-ascii" Content-Transfer-Encoding: quoted-printable [AMD Official Use Only - General] Hi Reshma, Please find my response inline. Thanks & Regards, Sivaprasad From: Pattan, Reshma Sent: Wednesday, November 29, 2023 7:00 PM To: Tummala, Sivaprasad ; users@dpdk.org Subject: RE: AMD power monitor support [AMD Official Use Only - General] Caution: This message originated from an External Source. Use proper cautio= n when opening attachments, clicking links, or responding. Hi Siva, Thanks for the information. Could you please clarify below 1. So should we see C1 increment in below stats. Or is it CX? [Siva] It ll be accounted in "Cx" 1. Are there any specific kernel boot parameter setting we need? to get= into MWAITX. [Siva] No additional boot parameters required. # cpupower -c 2 monitor | Mperf || Idle_Stats CPU| C0 | Cx | Freq || POLL | C1 | C2 Thanks, Reshma From: Tummala, Sivaprasad > Sent: Wednesday, November 29, 2023 11:19 AM To: Pattan, Reshma = >; users@dpdk.org Subject: RE: AMD power monitor support [AMD Official Use Only - General] Hi Reshma, Yes, with pmd-mgmt=3D"monitor" allows AMD power monitor on Genoa. You can monitor the same using "cpupower -c monitor" tool. Thanks & Regards, Sivaprasad From: Pattan, Reshma > Sent: Wednesday, November 29, 2023 4:04 PM To: Tummala, Sivaprasad >; users@dpdk.org Subject: AMD power monitor support Caution: This message originated from an External Source. Use proper cautio= n when opening attachments, clicking links, or responding. Hi Sivaprasad, I am running dpdk l3fwd-power application in "monitor mode" on AMD Genoa us= ing below command. ./dpdk-l3fwd-power -l 1-3 -- -p 0x1 --config=3D"(0,0,2),(0,1,3)" --pmd-mgmt= =3Dmonitor Does it allow cores to use DPDK AMD power monitor support feature based o= f mwaitx (https://patchwork.dpdk.org/project/dpdk/patch/20231009140546.8625= 53-3-sivaprasad.tummala@amd.com/)? If so how do I confirm if the cores are entering implementation dependant C= 1 State. If any pointers please let me know. Thanks, Reshma --_000_DM3PR12MB9286824AD9D8FACDB477C6378683ADM3PR12MB9286namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

[AMD Official Use Only - General]


Hi Reshma,

 

Please find my response inline.

 

Thanks & Regards,

Sivaprasad

 

From: Pattan, Reshma <reshma.pattan@inte= l.com>
Sent: Wednesday, November 29, 2023 7:00 PM
To: Tummala, Sivaprasad <Sivaprasad.Tummala@amd.com>; users@dp= dk.org
Subject: RE: AMD power monitor support

 

[AMD Official Use Only -= General]

 

Caution: This message originated from = an External Source. Use proper caution when opening attachments, clicking l= inks, or responding.

 

Hi Siva,

 

Thanks for the information. &nb= sp;Could you please clarify below

 

  1. So should we see C1 increment in below stats. &n= bsp;Or is it CX?

[Siva] It ll be accounted in &#= 8220;Cx”

  1. Are there any specific kernel boot parameter set= ting we need?  to get into MWAITX.  

[Siva] No additional boot param= eters required.

 

# cpupower -c 2 monitor=

 

    | Mperf&n= bsp;            = ; || Idle_Stats

CPU| C0   | Cx &= nbsp; | Freq  || POLL | C1   | C2

 

Thanks,

Reshma

 

From: Tummala, Sivaprasad <Sivaprasad.Tummala@amd.com>
Sent: Wednesday, November 29, 2023 11:19 AM
To: Pattan, Reshma <re= shma.pattan@intel.com>; users@dpdk.org
Subject: RE: AMD power monitor support

 

[AMD Official Use Only - General]<= /o:p>

 =

Hi Reshma,

 

Yes, with pmd-mgmt=3D”monitor” allows AM= D power monitor on Genoa.

You can monitor the same using “cpupower -c &l= t;n> monitor” tool.

 

Thanks & Regards,

Sivaprasad

 

From: Pattan, Reshma <reshma.pattan@intel.com>
Sent: Wednesday, November 29, 2023 4:04 PM
To: Tummala, Sivaprasad <Sivaprasad.Tummala@amd.com>; users@dpdk.org
Subject: AMD power monitor support

 

Caution: This message originated from = an External Source. Use proper caution when opening attachments, clicking l= inks, or responding.

 

Hi Sivaprasad,

 

I am running dpdk l3fwd-power a= pplication in “monitor mode” on AMD Genoa using below command.

.= /dpdk-l3fwd-power -l 1-3 -- -p 0x1 --config=3D"(0,0,2),(0,1,3)" -= -pmd-mgmt=3Dmonitor

 

Does it allow cores to  us= e DPDK AMD power monitor support  feature based of mwaitx (https://patchwork.dpdk.org/project/dpdk/patc= h/20231009140546.862553-3-sivaprasad.tummala@amd.com/)?

If so how do I confirm if the c= ores are entering implementation dependant C1 State. If any pointers please= let me know.

 

Thanks,

Reshma

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