On Fri, Feb 17, 2017 at 11:27:47AM -0300, Arnaldo Carvalho de Melo wrote: > Em Fri, Feb 17, 2017 at 03:00:57PM +0100, Jiri Olsa escreveu: > > Boris asked for default -a option in case we monitor > > only uncore events. While implementing that I thought > > it might be actually useful to make it overall default. > > > > # perf stat > > Warning: No target specified, setting system-wide collection (-a). > > Humm, would be interesting to disable this after a few warnings? Just > one?
not sure it's good idea to keep the count of that somewhere.. how about i make the warning smaller ;-) # perf stat Forced system wide target. ... > > BTW, this is how 'perf trace' works since day one, i.e. no target means > system wide syscall tracing. or we could omit the warning completely as probably perf trace does thanks, jirka
