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Questions tagged [yourkit]

YourKit is a CPU and memory profiling tool for Java and .NET

YourKit is a CPU and memory profiling tool for Java and .NET

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yourkit on high resolution screen

I have a 3200x1800 laptop screen and for most X applications to be usable I need to have Xft.dpi: 192 in my .Xresources (I use ArchLinux). But yourkit (and Java in general, I guess) doesn't pick up on these settings. Is there a way to run YourKit…
fommil
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How to debug a java app that uses a JVMTI agent to set breakpoint (Unable to get necessary JVMTI capabilities)

I would like to debug java applications that are using a jvmti agent I have written. This seems to only work if the jvmti agent is NOT trying to enable "can_generate_breakpoint_events" capabilities. Trying to enable the breakpoint capabilities and…
Haasip Satang
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Frequent JVM crash possible issue with yourkit?

tomcat server running an application is crashing very frequently . The crash stack trace leads to yourkit agent . Can someone help to find is this truly related to yourkit ? Register to memory mapping: RAX=0xffffffffffffffff is an unknown…
Saril Sudhakaran
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YourKit not showing complete information

My application is running on weblogic and creates multiple threads to process the request from client. While doing CPU profiling using YourKit, I observed that the information is not complete. The time shown in the YourKit is not matching with the…
mittalpraveen
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Searching for a memory leak on Jruby/Rails/Tomcat application with YourKit

I had a misfortune of getting a task of searching for an unconfirmed memory leak. This is my first time using YourKit so while I know what I should be looking for, I have no idea where to look and how. My understanding is that over time memory…
Grocery
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cant open yourkit profiler on ubuntu 12.04

I am trying to run YourKit a java profiler on ubuntu desktop, the process starts but the UI is not displayed. I googled for this problem and found this article which suggests steps to get around this problem, I tried all the suggestions there but…
Prasanna
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How to profile java web application running as maven plugin (tomcat) with yourkit?

I am running Java web application as mvn tomcat:run. I've connected it with yourkit. But these fields are disabled: JSP/Servlet requests: count, per second request duration (average, max) Database connections: how many opened and closed, per…
Constantine Gladky
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Change YourKit Remote Profiler Temp Directory

Is it possible to change the directory that the YourKit remote profiler puts its jars in? We're experiencing this error message when attempting to start Tomcat on CloudFoundry (running Ubuntu 10.10) with the YourKit profiling agent: Cannot start:…
DeejUK
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Which factors affect the speed of cpu tracing?

When I use YJP to do cpu-tracing profile on our own product, it is really slow. The product runs in a 16 core machine with 8GB heap, and I use grinder to run a small load test (e.g. 10 grinder threads) which have about 7~10 steps during the…
Dante WWWW
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Can't find reason for progressive slow down in API response time despite extensive profiling, any ideas?

Our application exposes a JSON-RPC API, using Jetty and Google Gson to parse/generate the JSON code. A remote system opens several thousand persistent HTTP connections to our application, and starts sending API requests at the rate of about 50 per…
sanity
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Opening Hadoop HPROF .profile files with YourKit

YourKit alleges to be able to open binary HPROF dumps, but it insists that binary dumps made from Hadoop jobs are not valid snapshots. The dumps are made by specifying the mapred.task.profile.params option with a value of…
DeejUK
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Java Memory Leak: WDialogPeer is the only strong reference - why wont it GC?

I'm doing some profiling on a legacy Java product and hunting down memory leaks using YourKit. I'm plugging quite a lot - but I keep coming across an issue that I just cannot solve. I have quite a few windows/dialogs that when I close them (and…
Jumwah
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I'm running an algorithm entirely from memory (no IO), yet my CPU use is below 25%. What may be the possible bottlenecks?

I've been running a single-threaded brute force version of the famous Traveling Salesman Problem, and YourKit is pinpointing me the fact that the CPU is being used at 25%, at most. What's the reason behind that fact? We've been told that these kind…
devoured elysium
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Difficulty profiling a Java application: Missing method in profiling results despite disabling optimizations. YourKit trivial method

Not so far ago I had been profiling an application and noticed an interesting optimization that applies to the compiled byte code. Here is my program: public class InstanceOnly { public static void main(final String[] args) throws…
Volodya Lombrozo
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How to start profile agent in yourkit?

How to start profile agent in yourkit. Getting message that I am trying without start the profiler agent when trying to attach jmeter in yourkit. I don't know how to start the agent, can anyone please help me as early as possible. Trying to attach…
user22011851
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