Thanks Ilya, Sorry your emails were going into social media folder on gmail :(, just saw it. One more thing I notice, that the idle and busy cycles %ages will drift if I leave the traffic running over night....I was expecting them to stay same for the same traffic pattern. Thanks, Shahaji
On Tue, Sep 25, 2018 at 6:36 AM Ilya Maximets <[email protected]> wrote: > Hi. > > "Cycles" are the total number of cycles measured for > the period. The number of GHz is just that number divided > by the time, i.e it should be equal to your TSC frequency. > > I think we need to clarify it more, because it's unclear. > On x86 systems this number will usually be equal to the > CPU frequency, but on ARM you have completely different > TSC source with its own frequency. > > For example, on my ARM board I have only 0.10 GHz for TSC, > but 2.0 GHz for CPU. > > I'll send a patch to clarify that misunderstanding. > > Best regards, Ilya Maximets. > > On 24.09.2018 22:28, Shahaji Bhosle wrote: > > Hi Ilya, > > > > I was trying the above command and was wondering what "Cycles:" > represents? Should this match my CPU frequency? It is not matching to my > ARM cores, so wondering. Thanks, Shahaji > > > > > >> pmd thread numa_id 0 core_id 1: > >> > >> Cycles: 2419034712 (2.40 GHz) > >> Iterations: 572817 (1.76 us/it) > >> - idle: 486808 (15.9 % cycles) > >> - busy: 86009 (84.1 % cycles) > >> Rx packets: 2399607 (2381 Kpps, 848 cycles/pkt) > >> Datapath passes: 3599415 (1.50 passes/pkt) > >> - EMC hits: 336472 ( 9.3 %) > >> - Megaflow hits: 3262943 (90.7 %, 1.00 subtbl lookups/hit) > >> - Upcalls: 0 ( 0.0 %, 0.0 us/upcall) > >> - Lost upcalls: 0 ( 0.0 %) > >> Tx packets: 2399607 (2381 Kpps) > >> Tx batches: 171400 (14.00 pkts/batch) > > > _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
