Re: [akka-user] yourkit CPU ignore list

2017-10-10 Thread Sam Halliday
Should I be worried about this kind of backtrace? None of it is rooted in my application's code but it's the biggest CPU hog (once standard YourKit filters are applied for scala / jdk / netty / etc). I'm seeing 3,400 of these after a small perftest run. I'm not sure if it's (expected) noise or if

Re: [akka-user] yourkit CPU ignore list

2017-10-10 Thread Konrad “ktoso” Malawski
Well, it’s stream materialization, it takes time, you may want to know ;) — Konrad `kto.so` Malawski Akka @ Lightbend On 10 October 2017 at 19:32:21, Sam Halliday (sam.halli...@gmail.com) wrote: What about PhasedFusingActorMaterializer.materialize? Or

Re: [akka-user] yourkit CPU ignore list

2017-10-10 Thread Sam Halliday
What about PhasedFusingActorMaterializer.materialize? Or does that indicate a problem with the way play is setup? On 10 October 2017 at 10:49, Konrad “ktoso” Malawski wrote: > ForkJoin noice mostly – people sometimes panic about ForkJoinPool#scan > specifically

Re: [akka-user] yourkit CPU ignore list

2017-10-10 Thread Konrad “ktoso” Malawski
ForkJoin noice mostly – people sometimes panic about ForkJoinPool#scan specifically (which shows up when there’s nothing to do, so it spins looking for work). — Konrad `kto.so` Malawski Akka @ Lightbend On 10 October 2017 at 18:47:37, Sam Halliday

[akka-user] yourkit CPU ignore list

2017-10-10 Thread Sam Halliday
Hi all, Yourkit's CPU profiler has the ability to hide classes / symbols. There is typically a lot of CPU noise when profiling an akka application (Thread.sleep, ForkJoinPool, etc etc), does anybody have a good "ignore list" of methods that shouldn't matter? Best regards, Sam -- >>