I am not sure it is only me, but I can’t find any document to introduce the shortcut keys for perf-report command. After executing perf report, press h will show the shortcut keys:
If you want to filter some symbols, press /:
To remove filter, you should press / + ENTER, instead of pressing q/ESC:
Otherwise you will exit perf-report program (Because the filtered symbols screen is actually the main screen when you run perf report):