With the sampled annotation we can make sure that we are causing very little overhead as well a connection pool is a high contention area! Some Btrace scripts are one-off, but many are just timing of methods, and being able to describe a “bunch” of them in a single file to use a single tracer method should be very handy! By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. DEBUG “free objfile” ;. The above results actually depends on your JVM settings, but the point is: At this moment, the BTrace tab might not be visible as you probably need to install the appropriate plugin.

btrace source code

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If you have any requests or ideas about BTrace, don’t hesitate to speak up either here or on GitHub. ProbeMethodName String probeMethod. Unfortunately, reflection is the only way right now.

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Sometimes you need to audit or profile your Java application. Strings ; import com. I will have to investigate what is causing this misbehavior.


It should be as non-intrusive and safe as possible. Weibo Li Weibo Li 2, 1 1 gold badge 16 16 silver badges 32 32 bronze badges. After some time, we should have more and more hits to the cache, therefore less data should be created. This is the number of the first instruction after the gap.

Indicate this as a trace gap. BTrace ; import com.

btraceio/btrace – Gitter

Location ; import com. I got curious if it was possible to use VisualVM to remotely use bTrace probes such as checking sort frequency.

btrace source code

TimKack I’m in process of moving the project to github as well https: How can I debug such classes without source code? We start at level 0 otherwise, to handle tail calls correctly. TP is the traced thread. It fails on this line: Only when such call is made, the probe will be activated. I’ll open a RFE or create a pull request.

Return 0 on success, -1 otherwise.

java – remote debug without source code – Stack Overflow

After adding a lot of logging statements, your application becomes cluttered with unnecessary boilerplate code. Active 5 years, 7 months ago. Aggregations ; import com. The weak references are good for caching purposes as they are eligible for collecting by GC btrae the fact they are still accessible from the map instance.


I want to catch ClassNotFoundExceptions thrown in java. Return the chronologically latest function segment, never NULL. Export ; import com.

btrace source code

If we remove it, we might turn the now. Let’s try to stitch the traces together. It’s just that not many people are actually using it: INFO”Fetching data by key: This is quite useful to debug Java program in production environment and programs without source code.

We assume that the.