(In reply to Mike Cloaked from comment #4) > I have tried getting a performance profile to capture diagnostic information when thunderbird shuts down, but so far I have been unable to capture a file with the data. It does shut down, but interestingly shuts down quite fast with the performance profile set to 'start recording' , compared to when that is not set up (!), but no file seems to have been saved. I will go through the links again and try again later when I get some time. This "shuts down quite fast with the performance profile set to 'start recording'" is something I too saw when trying to capture a perf profile recently in https://bugzilla.mozilla.org/show_bug.cgi?id=1704637#c16
Bug 1788599 Comment 60 Edit History
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(In reply to Mike Cloaked from comment #4) > I have tried getting a performance profile to capture diagnostic information when thunderbird shuts down, but so far I have been unable to capture a file with the data. It does shut down, but interestingly shuts down quite fast with the performance profile set to 'start recording' , compared to when that is not set up (!), but no file seems to have been saved. I will go through the links again and try again later when I get some time. This "shuts down quite fast with the performance profile set to 'start recording'" is something I too saw when trying to capture a perf profile recently in bug 1704637 comment 18