You might want to look at github.com/robaho/goanalyzer which I think is more useful when doing latency analysis.
> On May 4, 2020, at 10:13 AM, yafimk <fkp...@gmail.com> wrote: > > Hey all, > I've been trying to optimize a simple dns resolver i've built. > Its intended to run on relatively small linux based machines with 1 cpu > usually and not a lot of ram. > Now, I'm testing it with some load testing tool (flamethrower) and im seeing > constant average of response on those machines. (on my dev machine i've > limited number of cores to 1 and seeing better results). > this is for several seconds - i think i see good behavior for some ms but > then i see that one of the threads goes to syscall and the other isnt running. > <Screen Shot 2020-05-04 at 18.04.25.png> > > > > zoom up to one of those "holes" - > > <Screen Shot 2020-05-04 at 18.05.02.png> > > there are several calls happening but mostly nothing happens here for several > hunderd ms (which has an impact on our results) > on the other hand - i have this area - in which everything seems to go fine > till one thread is moving to sys call (green) and the other stops running > (pink) - > <Screen Shot 2020-05-04 at 18.06.46.png> > > My main question would be - where should i focus to optimize next? > Is it possible that this is simply due to system constraints and i don't have > much to do here? (beside maybe memory optimizations... ) > > thanks ahead. > > > > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/b38db88e-ee47-4d8b-8335-c3d675264ae8%40googlegroups.com. > <Screen Shot 2020-05-04 at 18.04.25.png> > <Screen Shot 2020-05-04 at 18.05.02.png> > <Screen Shot 2020-05-04 at 18.06.46.png> -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/3EB3D167-3F65-4042-BA2F-17406B4EB2A1%40ix.netcom.com.
