[lttng-dev] Babeltrace performance issue in live-reading mode

[liguang li]

Hi,

Create a session in live-reading mode, run a application which having very
high event throughput, then prints
the events with babeltrace. We found the live trace viewer are viewing
events a few seconds ago, and as time
goes on, the delay will be bigger and bigger.

I checked the source code, found Babeltrace in live-reading mode will read
the recorded events in the CTF
files, and then parse and print it in a single thread. The process is a
little slow, do you have any ideas to
improve the process.

Thanks,
Liguang
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