> > Existing cntvct_el0 based rte_rdtsc() provides portable means to get wall
> > clock
> > counter at user space. Typically it runs at <= 100MHz.
> >
> > The alternative method to enable rte_rdtsc() for high resolution wall clock
> > counter is through armv8 PMU subsystem.
> > The PMU cycle coun
2016-08-19 18:22, Jerin Jacob:
> On Fri, Aug 19, 2016 at 02:24:58PM +0200, Jan Viktorin wrote:
> > On Fri, 19 Aug 2016 17:16:12 +0530
> > Jerin Jacob wrote:
> >
> >
> > I've got a private kernel driver enabling and disabling (hopefully) properly
> > this for ARMv7. If we'd like to merge it, I'd
ct: [dpdk-dev] [PATCH] eal/armv8: high-resolution cycle counter
>
> Existing cntvct_el0 based rte_rdtsc() provides portable means to get wall
> clock
> counter at user space. Typically it runs at <= 100MHz.
>
> The alternative method to enable rte_rdtsc() for high resolution
On Fri, Aug 19, 2016 at 02:24:58PM +0200, Jan Viktorin wrote:
> On Fri, 19 Aug 2016 17:16:12 +0530
> Jerin Jacob wrote:
>
>
> I've got a private kernel driver enabling and disabling (hopefully) properly
> this for ARMv7. If we'd like to merge it, I'd like to have a single module
> or at least si
gt; Cc: thomas.monjalon at 6wind.com; jianbo.liu at linaro.org;
> > viktorin at rehivetech.com; Jerin Jacob
> > Subject: [dpdk-dev] [PATCH] eal/armv8: high-resolution cycle counter
> >
> > Existing cntvct_el0 based rte_rdtsc() provides portable
> > means to get wa
erin Jacob
> > > Sent: Thursday, August 18, 2016 17:22
> > > To: dev at dpdk.org
> > > Cc: thomas.monjalon at 6wind.com; jianbo.liu at linaro.org;
> > > viktorin at rehivetech.com; Jerin Jacob > > caviumnetworks.com>
> > > Subject: [dpdk-dev] [
t; Subject: [dpdk-dev] [PATCH] eal/armv8: high-resolution cycle counter
>
> Existing cntvct_el0 based rte_rdtsc() provides portable
> means to get wall clock counter at user space. Typically
> it runs at <= 100MHz.
>
> The alternative method to enable rte_rdtsc() for high
Existing cntvct_el0 based rte_rdtsc() provides portable
means to get wall clock counter at user space. Typically
it runs at <= 100MHz.
The alternative method to enable rte_rdtsc() for high resolution
wall clock counter is through armv8 PMU subsystem.
The PMU cycle counter runs at CPU frequency, Ho
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