Not support non-systemwide perf result about speedscope

[jlfwong]

Hey @Molin-L, do you have an example of a profile generated by perf that speedscope won't import? I'm not deeply familiar with the various formats output by perf, so it's totally possible this is accidentally broken

[birojnayak]

@jlfwong I followed the command here https://github.com/jlfwong/speedscope/wiki/Importing-from-perf-(linux) , got the txt file, but speedscope complaining about "format not supported" .

[jlfwong]

@birojnayak Can you please provide the resulting file that doesn't import? I suspect there's some variation in versions of system dependencies here