[lttng-dev] Mixing kernel and userspace traces in a single events editor view

[gbastien@versatic.net (Genevieve Bastien)]

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Hi John,


In Trace Compass, you can import/open your traces as an "experiment".
See the documentation here for more information on experiments:
http://archive.eclipse.org/tracecompass/doc/stable/org.eclipse.tracecompass.doc.user/Trace-Compass-Main-Features.html#Creating_an_Experiment


Regards,

Geneviève


On 2018-08-03 09:57 AM, John O'Sullivan wrote:
>
> Hi,
>
>
> I using trace compass on an embedded target, I have a sample
> application with some user space events and I am also collecting some
> kernel events.
>
> Is there some way in trace compass of looking at these in a single
> Events Editor view so that both kernel and Userspace events are
> interleaved with respect to time?
>
>
> The script I am using on my target is;
>
>
>  #!/bin/sh
> HOST_IP="10.xxx.xxx.xxx"
> #Create a session sending the data over the network to a listening host
> lttng create --set-url=net://$HOST_IP
> #Create one or more events
> lttng enable-event -u -a -c chan1
> lttng enable-event --kernel sched_switch,sched_process_fork
> #create an event for the logger
> lttng enable-event --kernel lttng_logger
> lttng start
> echo "Loading sample aplication" > /proc/lttng-logger
> /usr/bin/sample_application
> echo "unLoading sample aplication" > /proc/lttng-logger
> lttng destroy
>
>
> The resulting traces when opened only allows me to view kernel and UST
> on separate tabs
>
>
> regards
>
>
> John
>
>
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