Sitsofe Wheeler wrote on 03/02/2016 11:13 PM: > On 3 March 2016 at 07:10, Sitsofe Wheeler <sitsofe@xxxxxxxxx> wrote: >> On 3 March 2016 at 03:03, Vladislav Bolkhovitin <vst@xxxxxxxx> wrote: >>> For those who asked about perf profiling, it remained the same as before with the CPU >>> consumption is all about timekeeping and memset: >>> >>> - 55.74% fio fio [.] clock_thread_fn >>> clock_thread_fn >> >> Perhaps this is what is already included above but could you use the >> -g option on perf to collect it into a call-graph and post the top >> results? > > One extra question: do you see a difference between when you use > threads (thread=1) and when you use processes (thread=0)? Nothing serious (few %%), which could be easily explained, because I'm running number of jobs less, than CPU cores count, so each thread or process has a dedicated CPU core. Thanks, Vlad -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
