How do we check logs for the time taken by a spotfire file to Open?

I am trying to create an analysis on how long it takes for a given spotfire file to open on the webplayer (including the loading of all data tables). The ActionLogs has the duration taken for each individual action in it. But, suppose if a user opens 2 files at the same time on the webplayer, and data tables are being loaded, I can't seem to find an attribute to connect the spotfire file that data table is being loaded for.

Please let me know if I am missing something here.

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