Em Mon, Nov 20, 2017 at 12:53:04PM -0800, Stephane Eranian escreveu: > Hi, > > I have been using the perf script -F option on the latest perf and I > find it not very convenient to use. I appreciate the + and - prefix to > field names to add or suppress them. But most of the time, I want to > print only one or two fields and I have to guess which ones are there > by default so I can suppress them. I think there should be a way to > say: start from no fields. I understand why you have default to > maintain compatibility with older perf script but I would like a > syntax to say: remove defaults. For instance: > > $ perf script -F --,+ip,+syms ..... > > Where -- would mean drop all defaults.
$ perf script -F -*,+ip,+syms But perhaps using a new option and do away with all those prefixes? - Arnaldo

