On Mon, Apr 20, 2015 at 02:37:53PM +0000, Ravi Kumar Iyer wrote: > We were doing some code optimizations , running DPDK based applications, and > chanced upon the rte_rdtsc function [ to read tsc timestamp register value ] > consuming cpu cycles of the order of 100clock cycles with a delta of upto > 40cycles at times [ 60-140 cycles] > > We are actually building up a cpu intensive application which is also very > clock cycle sensitive and this is impacting our implementation. > > To validate the same using a small/vanilla application we wrote a small code > and tested on a single core. > Has anyone else faced a similar issue or are we doing something really > atrocious here.
What happened when you tried rte_rdtsc_precise ? Matthew.
