El dijous, 18 de gener de 2018, a les 10:44:04 CET, Milian Wolff va escriure: > Hey all, > > We've recently integrated kdesu into hotspot [1] to be able to record > profile data as root. This is required to get access to some "advanced" > performance counters and trace points, most notably the sched:sched_switch > tracepoint required for off-CPU profiling. > > Now, my colleague originally used kdesudo which doesn't seem to be alive (?) > upstream. I've seen there's some bzr repo that the kubuntu people seem to > use. But in KDE proper, only kdesu is available. So I used that instead but > it has a severe limitation: I cannot show the command output _and_ enable > password keeping: > > $ man kdesu > . > -t > Enable terminal output. This disables password keeping. This is > largely for debugging purposes; if you want to run a console mode app, use > the standard su instead. > . > > I don't quite get why one would want to use standard su - we want to show a > graphical dialog to the user and enable password keeping. Can someone > explain this limitation? Is there some other alternative we could use?
I guess the suggestion would be to use the polkit stuff? Cheers, Albert > Essentially we run the following command right now, which shows what we > need to do: > > kdesu -u root -t --attach $winId -- \ > perf record -o $outputfile <...more args...> -- \ > runuser -u $non-root-user -- \ > $userapp $userargs > kdesu -u root -t --attach $winId -- > chown $non-root-user:$non-root-group $outputfile > > This triggers two password prompts, which is unfortunate I think. > > Thanks > > [1]: https://github.com/KDAB/hotspot
