[ltt-dev] Selection of trace file to read

[Matthew Khouzam]

One thing you can do to make your life a little easier: Only read the 
kerne_n files.

On 10-12-23 08:35 AM, Alexandre Montplaisir wrote:
> On 10-12-22 04:10 PM, Francis Giraldeau wrote:
>> Hi,
>>
>> I'm interested only to kernel.sched_schedule events in a trace
>> generated with all trace events enabled. The trace read library
>> doesn't seems to allow to read only some kind of events, and all
>> events from all trace files must be read. Could it be a good feature
>> to add to the library? If so, how would should it be done?
>>
>> Cheer,
>>
>> Francis
>>
>>
> The way I understand it, you can't really filter at the library level :
> you have to read an event to know what are its contents. You could skip
> over an event, but then you wouldn't know what you missed.
>
> It's still possible to filter at the viewer level (after the events have
> been parsed), or at the instrumentation level (avoid writing certain
> events to the trace).
>
> Alexandre
>
>
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