Re: How to get Thread Group number

[Felix Schumacher]

As Groovy seems not to care that much about private/public/protected status of variables, you can access the private threadGroup variable of via the ctx variable in a JSR223 Sampler/Post-/Pre-Processor by

ctx.threadGroup.groupNumber





But apart from this, use Dmitris answer :)

Felix

Am 11.07.22 um 15:46 schrieb Dmitri T:

It's probably not a good idea to rely on this, since it it internal to JMeter and can be changed without notice, but the same can be said for the naming of the thread groups. If you want to be really correct, it is probably better to initialize a property of your own on each ThreadGroup and save that into the JTL file.

I think it's possible only using regular expressions <https://groovy-lang.org/operators.html#_find_operator>, there is no function (at least as per JMeter 5.5 <https://lists.apache.org/thread/k575c2oqnr0pv52fckcg399o4nkqt8c6>) which returns the number of thread group.

Example code you can use:

defthreadGroupName=ctx.getThreadGroup().getName()
defthreadName=ctx.getThread().getThreadName()

defthreadGroupNumber=(threadName=~/$threadGroupName\s(\d+)-/)[0][1]

log.info('Thread group number: '+threadGroupNumber)

More information on Groovy scripting in JMeter: Apache Groovy: What Is Groovy Used For? <https://www.blazemeter.com/blog/apache-groovy>

On 7/11/2022 2:45 PM, _elgato wrote:

Hi everyone,

I am trying to get the Thread Group number of the thread group
executing a request so I can correlate it with a property (or maybe a
CSV line), but I am having a hard time getting the number alone.

I am able to get the full thread name (including the number) with
thread.getThreadName(), but I would need to isolate the number from
the name and I would like to skip that part if possible.

Methods that I have used:
ctx.getThreadGroup().getName() returns Thread Group
ctx.getThreadGroup().getThreadName() returns null for some reason
ctx.getThreadNum() returns 0 as it is the first thread to run inside
the Thread Group
ctx.getThread().getThreadName() returns Thread Group 1-1
ctx.getThread().getThreadNum() returns 0

Where can I find this information?

Thank you.
Regards.

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