From: michel.dagenais@polymtl.ca (Michel Dagenais)
Subject: [lttng-dev] Monitor threads with lttng
Date: Wed, 15 May 2019 13:21:09 -0400 (EDT) [thread overview]
Message-ID: <2013253114.9075074.1557940869814.JavaMail.zimbra@polymtl.ca> (raw)
In-Reply-To: <CABRndgyfAyQ=t1==vPY9UHv8wZjMhrsu9bOtnwLu6f=ARjEj4w@mail.gmail.com>
On Linux, with pthreads, thread scheduling takes place in the kernel. You can then obtain this information through lttng tracing in the kernel domain (scheduling events) and view the trace in Trace Compass.
----- Le 15 Mai 19, ? 12:42, Zvi Vered <veredz72 at gmail.com> a ?crit :
> Hello,
> Can I use lttng to monitor threads in my process ?
> For example, I want to see when a thread is active and when it is blocked
> (waiting for a signal or an IOCL to complete).
> Is it possible doing it without linking the application with libust and calling
> UST API ?
> Thank you,
> Zvika
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
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prev parent reply other threads:[~2019-05-15 17:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 16:42 Zvi Vered
2019-05-15 17:21 ` Michel Dagenais [this message]
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