On Thu, 29 Apr 2021 10:10:37 +0000 "Szwed, Maciej" <maciej.sz...@intel.com> wrote:
> Thanks Stephen - this is what I was looking for. > One more thing: Is there a chance to put such implementation in rte_power and > make an API call for it? > > Thanks, > Maciek > > -----Original Message----- > From: Stephen Hemminger <step...@networkplumber.org> > Sent: Friday, April 23, 2021 6:56 PM > To: Szwed, Maciej <maciej.sz...@intel.com> > Cc: users@dpdk.org > Subject: Re: [dpdk-users] Hyper-threaded cores > > On Thu, 22 Apr 2021 08:19:34 +0000 > "Szwed, Maciej" <maciej.sz...@intel.com> wrote: > > > Hi, > > I'm wondering if there is any way to get information in DPDK which cores > > are hyper-threaded siblings. I would need that information when I'm using > > rte_power for changing cores frequencies. > > > > Thanks, > > Maciek > > Look at the DPDK cpu-layout script? The CPU layout is very system, OS and application dependent. The rte_power library could read the same stuff out of sysfs but it is not clear what it could do with it.
