Re: [lttng-dev] Lttng: display active threads in multiple cores.

you can use an ftrace-enabled kernel with lttng (maybe even just tracecompass) or perfetto to get that kind of trace

https://archive.eclipse.org/tracecompass.incubator/doc/org.eclipse.tracecompass.incubator.ftrace.doc.user/User-Guide.html

or

https://ui.perfetto.dev/

On Wed, Mar 27, 2024, at 5:26 AM, Zvi Vered via lttng-dev wrote:
> Hello,
>
> I have an application with 4 threads. 
> I'm required to display on the graph when thread starts working till it 
> blocks for the next semaphore. 
>
> But without using the lttng userspace library.
>
> Is it possible ?
>
> Thank you,
> Zvika
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